Mercurial > dovecot > core-2.2
annotate src/director/director-connection.c @ 22255:a841e797bac2
director: Fix whitespace position in some log messages
author | Timo Sirainen <timo.sirainen@dovecot.fi> |
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date | Mon, 19 Jun 2017 12:03:13 +0300 |
parents | 58ffaff6f714 |
children | 29ae473d0b7c |
rev | line source |
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Updated copyright notices to include the year 2017.
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1 /* Copyright (c) 2010-2017 Dovecot authors, see the included COPYING file */ |
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2 |
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3 /* |
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4 Handshaking: |
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5 |
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6 Incoming director connections send: |
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7 |
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8 VERSION |
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9 ME |
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10 <wait for DONE from remote handshake> |
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11 DONE |
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12 <make this connection our "left" connection, potentially disconnecting |
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13 another one> |
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14 |
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15 Outgoing director connections send: |
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16 |
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17 VERSION |
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18 ME |
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19 [0..n] DIRECTOR |
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20 HOST-HAND-START |
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21 [0..n] HOST |
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22 HOST-HAND-END |
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23 [0..n] USER |
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24 <possibly other non-handshake commands between USERs> |
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25 DONE |
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26 <wait for DONE from remote> |
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27 <make this connection our "right" connection, potentially disconnecting |
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28 another one> |
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29 */ |
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30 |
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31 #include "lib.h" |
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32 #include "ioloop.h" |
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33 #include "array.h" |
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34 #include "net.h" |
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35 #include "istream.h" |
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36 #include "ostream.h" |
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37 #include "str.h" |
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38 #include "strescape.h" |
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39 #include "time-util.h" |
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40 #include "master-service.h" |
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41 #include "mail-host.h" |
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42 #include "director.h" |
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43 #include "director-host.h" |
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44 #include "director-request.h" |
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45 #include "director-connection.h" |
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46 |
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47 #include <unistd.h> |
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48 |
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49 #define MAX_INBUF_SIZE 1024 |
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50 #define MAX_OUTBUF_SIZE (1024*1024*10) |
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51 #define OUTBUF_FLUSH_THRESHOLD (1024*128) |
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52 /* Max time to wait for connect() to finish before aborting */ |
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53 #define DIRECTOR_CONNECTION_CONNECT_TIMEOUT_MSECS (10*1000) |
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54 /* Max idling time before "ME" command must have been received, |
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55 or we'll disconnect. */ |
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57 /* Max time to wait for USERs in handshake to be sent. With a lot of users the |
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58 kernel may quickly eat up everything we send, while the receiver is busy |
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59 parsing the data. */ |
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60 #define DIRECTOR_CONNECTION_SEND_USERS_TIMEOUT_MSECS (30*1000) |
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61 /* Max idling time before "DONE" command must have been received, |
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62 or we'll disconnect. Use a slightly larger value than for _SEND_USERS_ so |
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63 that we'll get a better error if the sender decides to disconnect. */ |
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64 #define DIRECTOR_CONNECTION_DONE_TIMEOUT_MSECS (40*1000) |
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65 /* How long to wait for PONG for an idling connection */ |
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67 /* Maximum time to wait for PONG reply */ |
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68 #define DIRECTOR_CONNECTION_PONG_TIMEOUT_MSECS (60*1000) |
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69 /* How long to wait to send PING when connection is idle */ |
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70 #define DIRECTOR_CONNECTION_PING_INTERVAL_MSECS (15*1000) |
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71 /* How long to wait before sending PING while waiting for SYNC reply */ |
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72 #define DIRECTOR_CONNECTION_PING_SYNC_INTERVAL_MSECS 1000 |
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73 /* If outgoing director connection exists for less than this many seconds, |
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74 mark the host as failed so we won't try to reconnect to it immediately */ |
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75 #define DIRECTOR_SUCCESS_MIN_CONNECT_SECS 40 |
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76 #define DIRECTOR_WAIT_DISCONNECT_SECS 10 |
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77 #define DIRECTOR_HANDSHAKE_WARN_SECS 29 |
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78 #define DIRECTOR_HANDSHAKE_BYTES_LOG_MIN_SECS (60*30) |
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79 #define DIRECTOR_MAX_SYNC_SEQ_DUPLICATES 4 |
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80 /* If we receive SYNCs with a timestamp this many seconds higher than the last |
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81 valid received SYNC timestamp, assume that we lost the director's restart |
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82 notification and reset the last_sync_seq */ |
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83 #define DIRECTOR_SYNC_STALE_TIMESTAMP_RESET_SECS (60*2) |
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84 #define DIRECTOR_MAX_CLOCK_DIFF_WARN_SECS 1 |
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85 |
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86 #if DIRECTOR_CONNECTION_DONE_TIMEOUT_MSECS <= DIRECTOR_CONNECTION_PING_TIMEOUT_MSECS |
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87 # error DIRECTOR_CONNECTION_DONE_TIMEOUT_MSECS is too low |
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88 #endif |
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89 |
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90 #if DIRECTOR_CONNECTION_PONG_TIMEOUT_MSECS <= DIRECTOR_CONNECTION_PING_IDLE_TIMEOUT_MSECS |
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91 # error DIRECTOR_CONNECTION_PONG_TIMEOUT_MSECS is too low |
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92 #endif |
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93 |
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94 #define CMD_IS_USER_HANDHAKE(args) \ |
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95 (str_array_length(args) > 2) |
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96 |
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97 #define DIRECTOR_OPT_CONSISTENT_HASHING "consistent-hashing" |
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98 |
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99 struct director_connection { |
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100 struct director *dir; |
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101 char *name; |
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102 struct timeval created, connected_time, me_received_time; |
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103 unsigned int minor_version; |
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104 |
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105 struct timeval last_input, last_output; |
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106 |
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107 /* for incoming connections the director host isn't known until |
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108 ME-line is received */ |
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109 struct director_host *host; |
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110 /* this is set only for wrong connections: */ |
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111 struct director_host *connect_request_to; |
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112 |
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113 int fd; |
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114 struct io *io; |
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115 struct istream *input; |
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116 struct ostream *output; |
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117 struct timeout *to_disconnect, *to_ping, *to_pong; |
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118 |
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119 struct director_user_iter *user_iter; |
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120 |
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121 /* set during command execution */ |
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122 const char *cur_cmd, *cur_line; |
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123 |
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124 unsigned int in:1; |
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125 unsigned int connected:1; |
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126 unsigned int version_received:1; |
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127 unsigned int me_received:1; |
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128 unsigned int handshake_received:1; |
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129 unsigned int ignore_host_events:1; |
11585 | 130 unsigned int handshake_sending_hosts:1; |
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131 unsigned int ping_waiting:1; |
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132 unsigned int synced:1; |
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133 unsigned int wrong_host:1; |
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134 unsigned int verifying_left:1; |
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135 unsigned int users_unsorted:1; |
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136 }; |
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137 |
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138 static void director_finish_sending_handshake(struct director_connection *conn); |
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139 static void director_connection_disconnected(struct director_connection **conn, |
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140 const char *reason); |
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141 static void director_connection_reconnect(struct director_connection **conn, |
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142 const char *reason); |
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143 static void |
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144 director_connection_log_disconnect(struct director_connection *conn, int err, |
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145 const char *errstr); |
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146 static int director_connection_send_done(struct director_connection *conn); |
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147 |
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148 static void ATTR_FORMAT(2, 3) |
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149 director_cmd_error(struct director_connection *conn, const char *fmt, ...) |
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150 { |
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151 va_list args; |
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152 |
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153 va_start(args, fmt); |
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154 i_error("director(%s): Command %s: %s (input: %s)", conn->name, |
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155 conn->cur_cmd, t_strdup_vprintf(fmt, args), conn->cur_line); |
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156 va_end(args); |
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157 |
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158 if (conn->host != NULL) |
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159 conn->host->last_protocol_failure = ioloop_time; |
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160 } |
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161 |
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162 static void |
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163 director_connection_append_stats(struct director_connection *conn, string_t *str) |
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164 { |
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165 int input_msecs = timeval_diff_msecs(&ioloop_timeval, &conn->last_input); |
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166 int output_msecs = timeval_diff_msecs(&ioloop_timeval, &conn->last_output); |
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167 int connected_msecs = timeval_diff_msecs(&ioloop_timeval, &conn->connected_time); |
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168 |
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169 str_printfa(str, "bytes in=%"PRIuUOFF_T", bytes out=%"PRIuUOFF_T", " |
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170 "last input %u.%03u s ago, last output %u.%03u s ago", |
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171 conn->input->v_offset, conn->output->offset, |
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172 input_msecs/1000, input_msecs%1000, |
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173 output_msecs/1000, output_msecs%1000); |
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174 if (conn->connected) { |
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175 str_printfa(str, ", connected %u.%03u s ago", |
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176 connected_msecs/1000, connected_msecs%1000); |
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177 } |
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178 if (o_stream_get_buffer_used_size(conn->output) > 0) { |
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179 str_printfa(str, ", %"PRIuSIZE_T" bytes in output buffer", |
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180 o_stream_get_buffer_used_size(conn->output)); |
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181 } |
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182 } |
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183 |
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184 static void |
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185 director_connection_init_timeout(struct director_connection *conn) |
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186 { |
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187 struct timeval start_time; |
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188 string_t *reason = t_str_new(128); |
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189 |
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190 if (!conn->connected) { |
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191 start_time = conn->created; |
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192 str_append(reason, "Connect timed out"); |
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193 } else if (!conn->me_received) { |
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194 start_time = conn->connected_time; |
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195 str_append(reason, "Handshaking ME timed out"); |
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196 } else if (!conn->in) { |
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197 start_time = conn->me_received_time; |
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198 str_append(reason, "Sending handshake timed out"); |
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199 } else { |
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200 start_time = conn->me_received_time; |
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201 str_append(reason, "Handshaking DONE timed out"); |
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202 } |
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203 int msecs = timeval_diff_msecs(&ioloop_timeval, &start_time); |
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204 str_printfa(reason, " (%u.%03u secs, ", msecs/1000, msecs%1000); |
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205 director_connection_append_stats(conn, reason); |
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206 str_append_c(reason, ')'); |
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207 |
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208 i_error("director(%s): %s", conn->name, str_c(reason)); |
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209 director_connection_disconnected(&conn, "Handshake timeout"); |
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210 } |
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211 |
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212 static void |
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213 director_connection_set_ping_timeout(struct director_connection *conn) |
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214 { |
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215 unsigned int msecs; |
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216 |
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217 msecs = conn->synced || !conn->handshake_received ? |
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218 DIRECTOR_CONNECTION_PING_INTERVAL_MSECS : |
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219 DIRECTOR_CONNECTION_PING_SYNC_INTERVAL_MSECS; |
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220 |
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221 timeout_remove(&conn->to_ping); |
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222 conn->to_ping = timeout_add(msecs, director_connection_ping, conn); |
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223 } |
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224 |
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225 static void director_connection_wait_timeout(struct director_connection *conn) |
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226 { |
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227 director_connection_log_disconnect(conn, ETIMEDOUT, ""); |
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228 director_connection_deinit(&conn, |
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229 "Timeout waiting for disconnect after CONNECT"); |
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230 } |
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231 |
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232 static void director_connection_send_connect(struct director_connection *conn, |
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233 struct director_host *host) |
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234 { |
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235 const char *connect_str; |
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236 |
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237 if (conn->to_disconnect != NULL) |
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238 return; |
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239 |
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240 connect_str = t_strdup_printf("CONNECT\t%s\t%u\n", |
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241 net_ip2addr(&host->ip), host->port); |
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242 director_connection_send(conn, connect_str); |
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243 o_stream_uncork(conn->output); |
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244 |
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245 /* wait for a while for the remote to disconnect, so it will hopefully |
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246 see our CONNECT command. we'll also log the warning later to avoid |
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247 multiple log lines about it. */ |
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248 conn->connect_request_to = host; |
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249 director_host_ref(conn->connect_request_to); |
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250 |
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251 conn->to_disconnect = |
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252 timeout_add(DIRECTOR_WAIT_DISCONNECT_SECS*1000, |
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253 director_connection_wait_timeout, conn); |
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254 } |
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255 |
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256 static void director_connection_assigned(struct director_connection *conn) |
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257 { |
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258 struct director *dir = conn->dir; |
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259 |
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260 if (dir->left != NULL && dir->right != NULL) { |
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261 /* we're connected to both directors. see if the ring is |
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262 finished by sending a SYNC. if we get it back, it's done. */ |
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263 dir->sync_seq++; |
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264 director_set_ring_unsynced(dir); |
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265 director_sync_send(dir, dir->self_host, dir->sync_seq, |
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266 DIRECTOR_VERSION_MINOR, ioloop_time, |
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267 mail_hosts_hash(dir->mail_hosts)); |
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268 } |
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269 director_connection_set_ping_timeout(conn); |
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270 } |
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271 |
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272 static bool director_connection_assign_left(struct director_connection *conn) |
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273 { |
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274 struct director *dir = conn->dir; |
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275 |
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276 i_assert(conn->in); |
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277 i_assert(dir->left != conn); |
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278 |
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279 /* make sure this is the correct incoming connection */ |
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280 if (conn->host->self) { |
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281 i_error("Connection from self, dropping"); |
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282 return FALSE; |
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283 } else if (dir->left == NULL) { |
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284 /* no conflicts yet */ |
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285 } else if (dir->left->host == conn->host) { |
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286 i_warning("Replacing left director connection %s with %s", |
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287 dir->left->host->name, conn->host->name); |
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288 director_connection_deinit(&dir->left, t_strdup_printf( |
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289 "Replacing with %s", conn->host->name)); |
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290 } else if (dir->left->verifying_left) { |
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291 /* we're waiting to verify if our current left is still |
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292 working. if we don't receive a PONG, the current left |
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293 gets disconnected and a new left gets assigned. if we do |
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294 receive a PONG, we'll wait until the current left |
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295 disconnects us and then reassign the new left. */ |
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296 return TRUE; |
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297 } else if (director_host_cmp_to_self(dir->left->host, conn->host, |
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298 dir->self_host) < 0) { |
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299 /* the old connection is the correct one. |
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300 refer the client there (FIXME: do we ever get here?) */ |
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301 director_connection_send_connect(conn, dir->left->host); |
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302 return TRUE; |
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303 } else { |
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304 /* this new connection is the correct one, but wait until the |
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305 old connection gets disconnected before using this one. |
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306 that guarantees that the director inserting itself into |
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307 the ring has finished handshaking its left side, so the |
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308 switch will be fast. */ |
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309 return TRUE; |
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310 } |
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311 dir->left = conn; |
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312 i_free(conn->name); |
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313 conn->name = i_strdup_printf("%s/left", conn->host->name); |
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314 director_connection_assigned(conn); |
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315 return TRUE; |
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316 } |
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317 |
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318 static void director_assign_left(struct director *dir) |
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319 { |
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320 struct director_connection *conn, *const *connp; |
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321 |
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322 array_foreach(&dir->connections, connp) { |
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323 conn = *connp; |
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324 |
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325 if (conn->in && conn->handshake_received && |
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326 conn->to_disconnect == NULL && conn != dir->left) { |
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327 /* either use this or disconnect it */ |
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328 if (!director_connection_assign_left(conn)) { |
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329 /* we don't want this */ |
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330 director_connection_deinit(&conn, |
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331 "Unwanted incoming connection"); |
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332 director_assign_left(dir); |
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333 break; |
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334 } |
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335 } |
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336 } |
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337 } |
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338 |
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339 static bool director_has_outgoing_connections(struct director *dir) |
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340 { |
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341 struct director_connection *const *connp; |
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342 |
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343 array_foreach(&dir->connections, connp) { |
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344 if (!(*connp)->in && (*connp)->to_disconnect == NULL) |
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345 return TRUE; |
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346 } |
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|
347 return FALSE; |
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|
348 } |
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|
349 |
20971
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director: If SYNCs are received during handshake, send them later.
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|
350 static void director_send_delayed_syncs(struct director *dir) |
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351 { |
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|
352 struct director_host *const *hostp; |
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353 |
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parents:
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|
354 i_assert(dir->right != NULL); |
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|
355 |
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|
356 dir_debug("director(%s): Sending delayed SYNCs", dir->right->name); |
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|
357 array_foreach(&dir->dir_hosts, hostp) { |
3e6f922c2322
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|
358 if ((*hostp)->delayed_sync_seq == 0) |
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parents:
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diff
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|
359 continue; |
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director: If SYNCs are received during handshake, send them later.
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|
360 |
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director: If SYNCs are received during handshake, send them later.
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parents:
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diff
changeset
|
361 director_sync_send(dir, *hostp, (*hostp)->delayed_sync_seq, |
3e6f922c2322
director: If SYNCs are received during handshake, send them later.
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parents:
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diff
changeset
|
362 (*hostp)->delayed_sync_minor_version, |
3e6f922c2322
director: If SYNCs are received during handshake, send them later.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
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diff
changeset
|
363 (*hostp)->delayed_sync_timestamp, |
3e6f922c2322
director: If SYNCs are received during handshake, send them later.
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parents:
20846
diff
changeset
|
364 (*hostp)->delayed_sync_hosts_hash); |
3e6f922c2322
director: If SYNCs are received during handshake, send them later.
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parents:
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diff
changeset
|
365 (*hostp)->delayed_sync_seq = 0; |
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director: If SYNCs are received during handshake, send them later.
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parents:
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|
366 } |
3e6f922c2322
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parents:
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diff
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|
367 } |
3e6f922c2322
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|
368 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
369 static bool director_connection_assign_right(struct director_connection *conn) |
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director: Redesigned connection handling and error handling.
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|
370 { |
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diff
changeset
|
371 struct director *dir = conn->dir; |
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|
372 |
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|
373 i_assert(!conn->in); |
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|
374 |
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diff
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|
375 if (dir->right != NULL) { |
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|
376 /* see if we should disconnect or keep the existing |
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director: Redesigned connection handling and error handling.
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|
377 connection. */ |
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director: Redesigned connection handling and error handling.
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diff
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|
378 if (director_host_cmp_to_self(conn->host, dir->right->host, |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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diff
changeset
|
379 dir->self_host) <= 0) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
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diff
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|
380 /* the old connection is the correct one */ |
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changeset
|
381 i_warning("Aborting incorrect outgoing connection to %s " |
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director: Redesigned connection handling and error handling.
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|
382 "(already connected to correct one: %s)", |
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parents:
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|
383 conn->host->name, dir->right->host->name); |
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diff
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|
384 conn->wrong_host = TRUE; |
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|
385 return FALSE; |
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changeset
|
386 } |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
387 i_warning("Replacing right director connection %s with %s", |
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director: Improved logging related to disconnections.
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diff
changeset
|
388 dir->right->host->name, conn->host->name); |
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director: Improved logging related to disconnections.
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diff
changeset
|
389 director_connection_deinit(&dir->right, t_strdup_printf( |
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director: Improved logging related to disconnections.
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changeset
|
390 "Replacing with %s", conn->host->name)); |
14409
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director: Redesigned connection handling and error handling.
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|
391 } |
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changeset
|
392 dir->right = conn; |
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|
393 i_free(conn->name); |
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changeset
|
394 conn->name = i_strdup_printf("%s/right", conn->host->name); |
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director: Redesigned connection handling and error handling.
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changeset
|
395 director_connection_assigned(conn); |
20971
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director: If SYNCs are received during handshake, send them later.
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|
396 director_send_delayed_syncs(dir); |
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|
397 return TRUE; |
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|
398 } |
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|
399 |
11321
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changeset
|
400 static bool |
5f350b5ff6d9
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parents:
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changeset
|
401 director_args_parse_ip_port(struct director_connection *conn, |
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Added initial implementation of a director process (for NFS users).
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parents:
diff
changeset
|
402 const char *const *args, |
19035
aabfe48db1cf
Changed type of internet port values to in_port_t everywhere.
Stephan Bosch <stephan@rename-it.nl>
parents:
18858
diff
changeset
|
403 struct ip_addr *ip_r, in_port_t *port_r) |
11321
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Added initial implementation of a director process (for NFS users).
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parents:
diff
changeset
|
404 { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
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parents:
14406
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changeset
|
405 if (args[0] == NULL || args[1] == NULL) { |
d6cd93e32b37
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parents:
14406
diff
changeset
|
406 director_cmd_error(conn, "Missing IP+port parameters"); |
d6cd93e32b37
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|
407 return FALSE; |
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parents:
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diff
changeset
|
408 } |
11321
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Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
409 if (net_addr2ip(args[0], ip_r) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
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parents:
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diff
changeset
|
410 director_cmd_error(conn, "Invalid IP address: %s", args[0]); |
11321
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changeset
|
411 return FALSE; |
5f350b5ff6d9
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Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
412 } |
19035
aabfe48db1cf
Changed type of internet port values to in_port_t everywhere.
Stephan Bosch <stephan@rename-it.nl>
parents:
18858
diff
changeset
|
413 if (net_str2port(args[1], port_r) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
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parents:
14406
diff
changeset
|
414 director_cmd_error(conn, "Invalid port: %s", args[1]); |
11321
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parents:
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changeset
|
415 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
416 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
417 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
418 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
419 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
420 static bool director_cmd_me(struct director_connection *conn, |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
421 const char *const *args) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
422 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
423 struct director *dir = conn->dir; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
424 const char *connect_str; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
425 struct ip_addr ip; |
19035
aabfe48db1cf
Changed type of internet port values to in_port_t everywhere.
Stephan Bosch <stephan@rename-it.nl>
parents:
18858
diff
changeset
|
426 in_port_t port; |
14432
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
427 time_t next_comm_attempt; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
428 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
429 if (!director_args_parse_ip_port(conn, args, &ip, &port)) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
430 return FALSE; |
14408
544a8c4705e5
director: Handle all commands during handshake.
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parents:
14407
diff
changeset
|
431 if (conn->me_received) { |
544a8c4705e5
director: Handle all commands during handshake.
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parents:
14407
diff
changeset
|
432 director_cmd_error(conn, "Duplicate ME"); |
544a8c4705e5
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parents:
14407
diff
changeset
|
433 return FALSE; |
544a8c4705e5
director: Handle all commands during handshake.
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parents:
14407
diff
changeset
|
434 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
435 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
436 if (!conn->in && (!net_ip_compare(&conn->host->ip, &ip) || |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
437 conn->host->port != port)) { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
438 i_error("Remote director thinks it's someone else " |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
439 "(connected to %s:%u, remote says it's %s:%u)", |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
440 net_ip2addr(&conn->host->ip), conn->host->port, |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
441 net_ip2addr(&ip), port); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
442 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
443 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
444 conn->me_received = TRUE; |
22252
8882a5cbe76d
director: Use more accurate timestamps for handshake timeout logging
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22251
diff
changeset
|
445 conn->me_received_time = ioloop_timeval; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
446 |
19294
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
447 if (args[2] != NULL) { |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
448 time_t remote_time; |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
449 int diff; |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
450 |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
451 if (str_to_time(args[2], &remote_time) < 0) { |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
452 director_cmd_error(conn, "Invalid ME timestamp"); |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
453 return FALSE; |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
454 } |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
455 diff = ioloop_time - remote_time; |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
456 if (diff > DIRECTOR_MAX_CLOCK_DIFF_WARN_SECS || |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
457 (diff < 0 && -diff > DIRECTOR_MAX_CLOCK_DIFF_WARN_SECS)) { |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
458 i_warning("Director %s clock differs from ours by %d secs", |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
459 conn->name, diff); |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
460 } |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
461 } |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
462 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
463 timeout_remove(&conn->to_ping); |
22250
81a74bce2b07
director: Fix handshake timeout lengths
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21842
diff
changeset
|
464 if (conn->in) { |
81a74bce2b07
director: Fix handshake timeout lengths
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21842
diff
changeset
|
465 conn->to_ping = timeout_add(DIRECTOR_CONNECTION_DONE_TIMEOUT_MSECS, |
81a74bce2b07
director: Fix handshake timeout lengths
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21842
diff
changeset
|
466 director_connection_init_timeout, conn); |
81a74bce2b07
director: Fix handshake timeout lengths
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21842
diff
changeset
|
467 } else { |
81a74bce2b07
director: Fix handshake timeout lengths
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21842
diff
changeset
|
468 conn->to_ping = timeout_add(DIRECTOR_CONNECTION_SEND_USERS_TIMEOUT_MSECS, |
81a74bce2b07
director: Fix handshake timeout lengths
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21842
diff
changeset
|
469 director_connection_init_timeout, conn); |
81a74bce2b07
director: Fix handshake timeout lengths
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21842
diff
changeset
|
470 } |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
471 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
472 if (!conn->in) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
473 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
474 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
475 /* Incoming connection: |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
476 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
477 a) we don't have an established ring yet. make sure we're connecting |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
478 to our right side (which might become our left side). |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
479 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
480 b) it's our current "left" connection. the previous connection |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
481 is most likely dead. |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
482 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
483 c) we have an existing ring. tell our current "left" to connect to |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
484 it with CONNECT command. |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
485 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
486 d) the incoming connection doesn't belong to us at all, refer it |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
487 elsewhere with CONNECT. however, before disconnecting it verify |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
488 first that our left side is actually still functional. |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
489 */ |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
490 i_assert(conn->host == NULL); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
491 conn->host = director_host_get(dir, &ip, port); |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
492 /* the host shouldn't be removed at this point, but if for some |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
493 reason it is we don't want to crash */ |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
494 conn->host->removed = FALSE; |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
495 director_host_ref(conn->host); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
496 /* make sure we don't keep old sequence values across restarts */ |
16699
9531ec8afe8b
director: Reset last-seen-sync-sequence after remote director restarts.
Timo Sirainen <tss@iki.fi>
parents:
16695
diff
changeset
|
497 director_host_restarted(conn->host); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
498 |
14432
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
499 next_comm_attempt = conn->host->last_protocol_failure + |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
500 DIRECTOR_PROTOCOL_FAILURE_RETRY_SECS; |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
501 if (next_comm_attempt > ioloop_time) { |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
502 /* the director recently sent invalid protocol data, |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
503 don't try retrying yet */ |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
504 i_error("director(%s): Remote sent invalid protocol data recently, " |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
505 "waiting %u secs before allowing further communication", |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
506 conn->name, (unsigned int)(next_comm_attempt-ioloop_time)); |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
507 return FALSE; |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
508 } else if (dir->left == NULL) { |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
509 /* a) - just in case the left is also our right side reset |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
510 its failed state, so we can connect to it */ |
14432
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
511 conn->host->last_network_failure = 0; |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
512 if (!director_has_outgoing_connections(dir)) |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
513 director_connect(dir); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
514 } else if (dir->left->host == conn->host) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
515 /* b) */ |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
516 i_assert(dir->left != conn); |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
517 director_connection_deinit(&dir->left, |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
518 "Replacing with new incoming connection"); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
519 } else if (director_host_cmp_to_self(conn->host, dir->left->host, |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
520 dir->self_host) < 0) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
521 /* c) */ |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
522 connect_str = t_strdup_printf("CONNECT\t%s\t%u\n", |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
523 net_ip2addr(&conn->host->ip), |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
524 conn->host->port); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
525 director_connection_send(dir->left, connect_str); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
526 } else { |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
527 /* d) */ |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
528 dir->left->verifying_left = TRUE; |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
529 director_connection_ping(dir->left); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
530 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
531 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
532 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
533 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
534 static bool |
14303
d048cebc1fd4
director: Add more info to "User hash .. is being redirected to two hosts" error.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
535 director_user_refresh(struct director_connection *conn, |
d048cebc1fd4
director: Add more info to "User hash .. is being redirected to two hosts" error.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
536 unsigned int username_hash, struct mail_host *host, |
20978
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
537 time_t timestamp, bool weak, bool *forced_r, |
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
538 struct user **user_r) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
539 { |
14303
d048cebc1fd4
director: Add more info to "User hash .. is being redirected to two hosts" error.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
540 struct director *dir = conn->dir; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
541 struct user *user; |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
542 bool ret = FALSE, unset_weak_user = FALSE; |
21079
d6f399a7f672
director: Keep per-tag directory
Aki Tuomi <aki.tuomi@dovecot.fi>
parents:
21077
diff
changeset
|
543 struct user_directory *users = host->tag->users; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
544 |
20978
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
545 *forced_r = FALSE; |
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
546 |
21074
6543f5b25252
director: Code cleanup - use temporary users variables
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20988
diff
changeset
|
547 user = user_directory_lookup(users, username_hash); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
548 if (user == NULL) { |
21074
6543f5b25252
director: Code cleanup - use temporary users variables
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20988
diff
changeset
|
549 *user_r = user_directory_add(users, username_hash, |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
550 host, timestamp); |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
551 (*user_r)->weak = weak; |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
552 dir_debug("user refresh: %u added", username_hash); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
553 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
554 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
555 |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
556 if (user->weak) { |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
557 if (!weak) { |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
558 /* removing user's weakness */ |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
559 dir_debug("user refresh: %u weakness removed", |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
560 username_hash); |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
561 unset_weak_user = TRUE; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
562 user->weak = FALSE; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
563 ret = TRUE; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
564 } else { |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
565 /* weak user marked again as weak */ |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
566 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
567 } else if (weak && |
21074
6543f5b25252
director: Code cleanup - use temporary users variables
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20988
diff
changeset
|
568 !user_directory_user_is_recently_updated(users, user)) { |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
569 /* mark the user as weak */ |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
570 dir_debug("user refresh: %u set weak", username_hash); |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
571 user->weak = TRUE; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
572 ret = TRUE; |
16619
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
573 } else if (weak) { |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
574 dir_debug("user refresh: %u weak update to %s ignored, " |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
575 "we recently changed it to %s", |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
576 username_hash, net_ip2addr(&host->ip), |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
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|
577 net_ip2addr(&user->host->ip)); |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
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parents:
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diff
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|
578 host = user->host; |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
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parents:
16618
diff
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|
579 ret = TRUE; |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
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parents:
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diff
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|
580 } else if (user->host == host) { |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
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parents:
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diff
changeset
|
581 /* update to the same host */ |
21074
6543f5b25252
director: Code cleanup - use temporary users variables
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parents:
20988
diff
changeset
|
582 } else if (user_directory_user_is_near_expiring(users, user)) { |
16619
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
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parents:
16618
diff
changeset
|
583 /* host conflict for a user that is already near expiring. we can |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
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parents:
16618
diff
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|
584 assume that the other director had already dropped this user |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
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parents:
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diff
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|
585 and we should have as well. use the new host. */ |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
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parents:
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diff
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|
586 dir_debug("user refresh: %u is nearly expired, " |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
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parents:
16618
diff
changeset
|
587 "replacing host %s with %s", username_hash, |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
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parents:
16618
diff
changeset
|
588 net_ip2addr(&user->host->ip), net_ip2addr(&host->ip)); |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
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parents:
16618
diff
changeset
|
589 ret = TRUE; |
20986
410eacd7ad40
director: Code cleanup - added USER_IS_BEING_KILLED() macro
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parents:
20981
diff
changeset
|
590 } else if (USER_IS_BEING_KILLED(user)) { |
18708
51ee438392c7
director: Moving a user to another host sometimes caused the move to fail.
Timo Sirainen <tss@iki.fi>
parents:
18665
diff
changeset
|
591 /* user is still being moved - ignore conflicting host updates |
51ee438392c7
director: Moving a user to another host sometimes caused the move to fail.
Timo Sirainen <tss@iki.fi>
parents:
18665
diff
changeset
|
592 from other directors who don't yet know about the move. */ |
51ee438392c7
director: Moving a user to another host sometimes caused the move to fail.
Timo Sirainen <tss@iki.fi>
parents:
18665
diff
changeset
|
593 dir_debug("user refresh: %u is being moved, " |
51ee438392c7
director: Moving a user to another host sometimes caused the move to fail.
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parents:
18665
diff
changeset
|
594 "preserve its host %s instead of replacing with %s", |
51ee438392c7
director: Moving a user to another host sometimes caused the move to fail.
Timo Sirainen <tss@iki.fi>
parents:
18665
diff
changeset
|
595 username_hash, net_ip2addr(&user->host->ip), |
51ee438392c7
director: Moving a user to another host sometimes caused the move to fail.
Timo Sirainen <tss@iki.fi>
parents:
18665
diff
changeset
|
596 net_ip2addr(&host->ip)); |
51ee438392c7
director: Moving a user to another host sometimes caused the move to fail.
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parents:
18665
diff
changeset
|
597 host = user->host; |
16619
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
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parents:
16618
diff
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|
598 } else { |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
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parents:
14306
diff
changeset
|
599 /* non-weak user received a non-weak update with |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
600 conflicting host. this shouldn't happen. */ |
14303
d048cebc1fd4
director: Add more info to "User hash .. is being redirected to two hosts" error.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
601 string_t *str = t_str_new(128); |
d048cebc1fd4
director: Add more info to "User hash .. is being redirected to two hosts" error.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
602 |
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parents:
14133
diff
changeset
|
603 str_printfa(str, "User hash %u " |
d048cebc1fd4
director: Add more info to "User hash .. is being redirected to two hosts" error.
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parents:
14133
diff
changeset
|
604 "is being redirected to two hosts: %s and %s", |
d048cebc1fd4
director: Add more info to "User hash .. is being redirected to two hosts" error.
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diff
changeset
|
605 username_hash, net_ip2addr(&user->host->ip), |
d048cebc1fd4
director: Add more info to "User hash .. is being redirected to two hosts" error.
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diff
changeset
|
606 net_ip2addr(&host->ip)); |
d048cebc1fd4
director: Add more info to "User hash .. is being redirected to two hosts" error.
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|
607 str_printfa(str, " (old_ts=%ld", (long)user->timestamp); |
d048cebc1fd4
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parents:
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diff
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|
608 |
d048cebc1fd4
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parents:
14133
diff
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|
609 if (!conn->handshake_received) { |
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diff
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|
610 str_printfa(str, ",handshaking,recv_ts=%ld", |
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|
611 (long)timestamp); |
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diff
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|
612 } |
20986
410eacd7ad40
director: Code cleanup - added USER_IS_BEING_KILLED() macro
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parents:
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diff
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|
613 if (USER_IS_BEING_KILLED(user)) { |
20988
9d4039e2ae25
director: Moved all user killing state to struct director_kill_context
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parents:
20986
diff
changeset
|
614 if (user->kill_ctx->to_move != NULL) |
9d4039e2ae25
director: Moved all user killing state to struct director_kill_context
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20986
diff
changeset
|
615 str_append(str, ",moving"); |
20974
7ea3a96eea43
director: Log user's kill_state with a human-readable string.
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parents:
20972
diff
changeset
|
616 str_printfa(str, ",kill_state=%s", |
20988
9d4039e2ae25
director: Moved all user killing state to struct director_kill_context
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parents:
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diff
changeset
|
617 user_kill_state_names[user->kill_ctx->kill_state]); |
20974
7ea3a96eea43
director: Log user's kill_state with a human-readable string.
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parents:
20972
diff
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|
618 } |
14303
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diff
changeset
|
619 str_append_c(str, ')'); |
d048cebc1fd4
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parents:
14133
diff
changeset
|
620 i_error("%s", str_c(str)); |
11581
ecf195115922
director: If same user gets redirected to two hosts, don't crash later.
Timo Sirainen <tss@iki.fi>
parents:
11579
diff
changeset
|
621 |
11585 | 622 /* we want all the directors to redirect the user to same |
623 server, but we don't want two directors fighting over which | |
624 server it belongs to, so always use the lower IP address */ | |
625 if (net_ip_cmp(&user->host->ip, &host->ip) > 0) { | |
626 /* change the host. we'll also need to remove the user | |
627 from the old host's user_count, because we can't | |
20978
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
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diff
changeset
|
628 keep track of the user for more than one host. |
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
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parents:
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diff
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|
629 |
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
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|
630 send the updated USER back to the sender as well. */ |
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
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diff
changeset
|
631 *forced_r = TRUE; |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
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|
632 } else { |
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14306
diff
changeset
|
633 /* keep the host */ |
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diff
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|
634 host = user->host; |
11585 | 635 } |
17419
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
636 /* especially IMAP connections can take a long time to die. |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
637 make sure we kill off the connections in the wrong |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
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diff
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|
638 backends. */ |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
639 director_kick_user_hash(dir, dir->self_host, NULL, |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
640 username_hash, &host->ip); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
641 ret = TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
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diff
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|
642 } |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
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|
643 if (user->host != host) { |
7a26c427fc78
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|
644 user->host->user_count--; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
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14306
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|
645 user->host = host; |
7a26c427fc78
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parents:
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|
646 user->host->user_count++; |
7a26c427fc78
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|
647 ret = TRUE; |
7a26c427fc78
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parents:
14306
diff
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|
648 } |
14303
d048cebc1fd4
director: Add more info to "User hash .. is being redirected to two hosts" error.
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parents:
14133
diff
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|
649 if (timestamp == ioloop_time && (time_t)user->timestamp != timestamp) { |
21074
6543f5b25252
director: Code cleanup - use temporary users variables
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parents:
20988
diff
changeset
|
650 user_directory_refresh(users, user); |
14303
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parents:
14133
diff
changeset
|
651 ret = TRUE; |
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director: Add more info to "User hash .. is being redirected to two hosts" error.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
652 } |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
653 dir_debug("user refresh: %u refreshed timeout to %ld", |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
654 username_hash, (long)user->timestamp); |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
655 |
7a26c427fc78
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parents:
14306
diff
changeset
|
656 if (unset_weak_user) { |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
657 /* user is no longer weak. handle pending requests for |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
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diff
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|
658 this user if there are any */ |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
659 director_set_state_changed(conn->dir); |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
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parents:
14306
diff
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|
660 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
661 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
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diff
changeset
|
662 *user_r = user; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
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parents:
diff
changeset
|
663 return ret; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
664 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
665 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
666 static bool |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
667 director_handshake_cmd_user(struct director_connection *conn, |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
668 const char *const *args) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
669 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
670 unsigned int username_hash, timestamp; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
671 struct ip_addr ip; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
672 struct mail_host *host; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
673 struct user *user; |
20978
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
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20974
diff
changeset
|
674 bool weak, forced; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
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parents:
diff
changeset
|
675 |
14310
7a26c427fc78
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parents:
14306
diff
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|
676 if (str_array_length(args) < 3 || |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
677 str_to_uint(args[0], &username_hash) < 0 || |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
678 net_addr2ip(args[1], &ip) < 0 || |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
679 str_to_uint(args[2], ×tamp) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
680 director_cmd_error(conn, "Invalid parameters"); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
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diff
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|
681 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
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diff
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|
682 } |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
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|
683 weak = args[3] != NULL && args[3][0] == 'w'; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
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parents:
diff
changeset
|
684 |
11352
19336bddada2
director: Code cleanup - keep mail hosts in a struct rather than in static variables.
Timo Sirainen <tss@iki.fi>
parents:
11350
diff
changeset
|
685 host = mail_host_lookup(conn->dir->mail_hosts, &ip); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
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diff
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|
686 if (host == NULL) { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
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parents:
diff
changeset
|
687 i_error("director(%s): USER used unknown host %s in handshake", |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
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parents:
diff
changeset
|
688 conn->name, args[1]); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
689 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
690 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
691 |
14682
d0d7b810646b
Make sure we check all the functions' return values. Minor API changes to simplify this.
Timo Sirainen <tss@iki.fi>
parents:
14681
diff
changeset
|
692 (void)director_user_refresh(conn, username_hash, host, |
20978
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
693 timestamp, weak, &forced, &user); |
16621
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
694 if (user->timestamp < timestamp) { |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
695 conn->users_unsorted = TRUE; |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
696 user->timestamp = timestamp; |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
697 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
698 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
699 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
700 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
701 static bool |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
702 director_cmd_user(struct director_connection *conn, |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
703 const char *const *args) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
704 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
705 unsigned int username_hash; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
706 struct ip_addr ip; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
707 struct mail_host *host; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
708 struct user *user; |
20978
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
709 bool forced; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
710 |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
711 /* NOTE: if more parameters are added, update also |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
712 CMD_IS_USER_HANDHAKE() macro */ |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
713 if (str_array_length(args) != 2 || |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
714 str_to_uint(args[0], &username_hash) < 0 || |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
715 net_addr2ip(args[1], &ip) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
716 director_cmd_error(conn, "Invalid parameters"); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
717 return FALSE; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
718 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
719 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
720 host = mail_host_lookup(conn->dir->mail_hosts, &ip); |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
721 if (host == NULL) { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
722 /* we probably just removed this host. */ |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
723 return TRUE; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
724 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
725 |
14303
d048cebc1fd4
director: Add more info to "User hash .. is being redirected to two hosts" error.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
726 if (director_user_refresh(conn, username_hash, |
20978
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
727 host, ioloop_time, FALSE, &forced, &user)) { |
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
728 struct director_host *src_host = |
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
729 forced ? conn->dir->self_host : conn->host; |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
730 i_assert(!user->weak); |
20978
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
731 director_update_user(conn->dir, src_host, user); |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
732 } |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
733 return TRUE; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
734 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
735 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
736 static bool director_cmd_director(struct director_connection *conn, |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
737 const char *const *args) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
738 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
739 struct director_host *host; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
740 struct ip_addr ip; |
19035
aabfe48db1cf
Changed type of internet port values to in_port_t everywhere.
Stephan Bosch <stephan@rename-it.nl>
parents:
18858
diff
changeset
|
741 in_port_t port; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
742 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
743 if (!director_args_parse_ip_port(conn, args, &ip, &port)) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
744 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
745 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
746 host = director_host_lookup(conn->dir, &ip, port); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
747 if (host != NULL) { |
14493
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
748 if (host == conn->dir->self_host) { |
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
749 /* ignore updates to ourself */ |
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
750 return TRUE; |
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
751 } |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
752 if (host->removed) { |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
753 /* ignore re-adds of removed directors */ |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
754 return TRUE; |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
755 } |
14493
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
756 |
14432
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
757 /* already have this. just reset its last_network_failure |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
758 timestamp, since it might be up now. */ |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
759 host->last_network_failure = 0; |
16789
5d43c926eb97
director: Make sure director restart notifications go to everyone in the ring.
Timo Sirainen <tss@iki.fi>
parents:
16788
diff
changeset
|
760 /* it also may have been restarted, reset its state */ |
5d43c926eb97
director: Make sure director restart notifications go to everyone in the ring.
Timo Sirainen <tss@iki.fi>
parents:
16788
diff
changeset
|
761 director_host_restarted(host); |
14493
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
762 } else { |
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
763 /* save the director and forward it */ |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
764 host = director_host_add(conn->dir, &ip, port); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
765 } |
16789
5d43c926eb97
director: Make sure director restart notifications go to everyone in the ring.
Timo Sirainen <tss@iki.fi>
parents:
16788
diff
changeset
|
766 /* just forward this to the entire ring until it reaches back to |
5d43c926eb97
director: Make sure director restart notifications go to everyone in the ring.
Timo Sirainen <tss@iki.fi>
parents:
16788
diff
changeset
|
767 itself. some hosts may see this twice, but that's the only way to |
5d43c926eb97
director: Make sure director restart notifications go to everyone in the ring.
Timo Sirainen <tss@iki.fi>
parents:
16788
diff
changeset
|
768 guarantee that it gets seen by everyone. reseting the host multiple |
5d43c926eb97
director: Make sure director restart notifications go to everyone in the ring.
Timo Sirainen <tss@iki.fi>
parents:
16788
diff
changeset
|
769 times may cause us to handle its commands multiple times, but the |
18665
b7aed6290e7e
director: Don't send DIRECTOR command infinitely in loop if that director got disconnected.
Timo Sirainen <tss@iki.fi>
parents:
18664
diff
changeset
|
770 commands can handle that. however, we need to also handle a |
b7aed6290e7e
director: Don't send DIRECTOR command infinitely in loop if that director got disconnected.
Timo Sirainen <tss@iki.fi>
parents:
18664
diff
changeset
|
771 situation where the added director never comes back - we don't want |
b7aed6290e7e
director: Don't send DIRECTOR command infinitely in loop if that director got disconnected.
Timo Sirainen <tss@iki.fi>
parents:
18664
diff
changeset
|
772 to send the director information in a loop forever. */ |
b7aed6290e7e
director: Don't send DIRECTOR command infinitely in loop if that director got disconnected.
Timo Sirainen <tss@iki.fi>
parents:
18664
diff
changeset
|
773 if (conn->dir->right != NULL && |
b7aed6290e7e
director: Don't send DIRECTOR command infinitely in loop if that director got disconnected.
Timo Sirainen <tss@iki.fi>
parents:
18664
diff
changeset
|
774 director_host_cmp_to_self(host, conn->dir->right->host, |
b7aed6290e7e
director: Don't send DIRECTOR command infinitely in loop if that director got disconnected.
Timo Sirainen <tss@iki.fi>
parents:
18664
diff
changeset
|
775 conn->dir->self_host) > 0) { |
b7aed6290e7e
director: Don't send DIRECTOR command infinitely in loop if that director got disconnected.
Timo Sirainen <tss@iki.fi>
parents:
18664
diff
changeset
|
776 dir_debug("Received DIRECTOR update for a host where we should be connected to. " |
b7aed6290e7e
director: Don't send DIRECTOR command infinitely in loop if that director got disconnected.
Timo Sirainen <tss@iki.fi>
parents:
18664
diff
changeset
|
777 "Not forwarding it since it's probably crashed."); |
b7aed6290e7e
director: Don't send DIRECTOR command infinitely in loop if that director got disconnected.
Timo Sirainen <tss@iki.fi>
parents:
18664
diff
changeset
|
778 } else { |
b7aed6290e7e
director: Don't send DIRECTOR command infinitely in loop if that director got disconnected.
Timo Sirainen <tss@iki.fi>
parents:
18664
diff
changeset
|
779 director_notify_ring_added(host, |
b7aed6290e7e
director: Don't send DIRECTOR command infinitely in loop if that director got disconnected.
Timo Sirainen <tss@iki.fi>
parents:
18664
diff
changeset
|
780 director_connection_get_host(conn)); |
b7aed6290e7e
director: Don't send DIRECTOR command infinitely in loop if that director got disconnected.
Timo Sirainen <tss@iki.fi>
parents:
18664
diff
changeset
|
781 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
782 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
783 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
784 |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
785 static bool director_cmd_director_remove(struct director_connection *conn, |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
786 const char *const *args) |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
787 { |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
788 struct director_host *host; |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
789 struct ip_addr ip; |
19035
aabfe48db1cf
Changed type of internet port values to in_port_t everywhere.
Stephan Bosch <stephan@rename-it.nl>
parents:
18858
diff
changeset
|
790 in_port_t port; |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
791 |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
792 if (!director_args_parse_ip_port(conn, args, &ip, &port)) |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
793 return FALSE; |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
794 |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
795 host = director_host_lookup(conn->dir, &ip, port); |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
796 if (host != NULL && !host->removed) |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
797 director_ring_remove(host, director_connection_get_host(conn)); |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
798 return TRUE; |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
799 } |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
800 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
801 static bool |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
802 director_cmd_host_hand_start(struct director_connection *conn, |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
803 const char *const *args) |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
804 { |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
805 const ARRAY_TYPE(mail_host) *hosts; |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
806 struct mail_host *const *hostp; |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
807 unsigned int remote_ring_completed; |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
808 |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
809 if (args[0] == NULL || |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
810 str_to_uint(args[0], &remote_ring_completed) < 0) { |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
811 director_cmd_error(conn, "Invalid parameters"); |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
812 return FALSE; |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
813 } |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
814 |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
815 if (remote_ring_completed && !conn->dir->ring_handshaked) { |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
816 /* clear everything we have and use only what remote sends us */ |
20981
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
817 dir_debug("%s: We're joining a ring - replace all hosts", |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
818 conn->name); |
11352
19336bddada2
director: Code cleanup - keep mail hosts in a struct rather than in static variables.
Timo Sirainen <tss@iki.fi>
parents:
11350
diff
changeset
|
819 hosts = mail_hosts_get(conn->dir->mail_hosts); |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
820 while (array_count(hosts) > 0) { |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
821 hostp = array_idx(hosts, 0); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
822 director_remove_host(conn->dir, NULL, NULL, *hostp); |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
823 } |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
824 } else if (!remote_ring_completed && conn->dir->ring_handshaked) { |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
825 /* ignore whatever remote sends */ |
20981
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
826 dir_debug("%s: Remote is joining our ring - " |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
827 "ignore all remote HOSTs", conn->name); |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
828 conn->ignore_host_events = TRUE; |
20981
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
829 } else { |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
830 dir_debug("%s: Merge rings' hosts", conn->name); |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
831 } |
11585 | 832 conn->handshake_sending_hosts = TRUE; |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
833 return TRUE; |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
834 } |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
835 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
836 static int |
20981
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
837 director_cmd_is_seen_full(struct director_connection *conn, |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
838 const char *const **_args, unsigned int *seq_r, |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
839 struct director_host **host_r) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
840 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
841 const char *const *args = *_args; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
842 struct ip_addr ip; |
19035
aabfe48db1cf
Changed type of internet port values to in_port_t everywhere.
Stephan Bosch <stephan@rename-it.nl>
parents:
18858
diff
changeset
|
843 in_port_t port; |
aabfe48db1cf
Changed type of internet port values to in_port_t everywhere.
Stephan Bosch <stephan@rename-it.nl>
parents:
18858
diff
changeset
|
844 unsigned int seq; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
845 struct director_host *host; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
846 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
847 if (str_array_length(args) < 3 || |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
848 net_addr2ip(args[0], &ip) < 0 || |
19035
aabfe48db1cf
Changed type of internet port values to in_port_t everywhere.
Stephan Bosch <stephan@rename-it.nl>
parents:
18858
diff
changeset
|
849 net_str2port(args[1], &port) < 0 || |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
850 str_to_uint(args[2], &seq) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
851 director_cmd_error(conn, "Invalid parameters"); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
852 return -1; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
853 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
854 *_args = args + 3; |
20981
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
855 *seq_r = seq; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
856 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
857 host = director_host_lookup(conn->dir, &ip, port); |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
858 if (host == NULL || host->removed) { |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
859 /* director is already gone, but we can't be sure if this |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
860 command was sent everywhere. re-send it as if it was from |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
861 ourself. */ |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
862 *host_r = NULL; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
863 } else { |
15350 | 864 *host_r = host; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
865 if (seq <= host->last_seq) { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
866 /* already seen this */ |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
867 return 1; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
868 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
869 host->last_seq = seq; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
870 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
871 return 0; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
872 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
873 |
20981
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
874 static int |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
875 director_cmd_is_seen(struct director_connection *conn, |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
876 const char *const **_args, |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
877 struct director_host **host_r) |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
878 { |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
879 unsigned int seq; |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
880 |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
881 return director_cmd_is_seen_full(conn, _args, &seq, host_r); |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
882 } |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
883 |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
884 static bool |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
885 director_cmd_user_weak(struct director_connection *conn, |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
886 const char *const *args) |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
887 { |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
888 struct director_host *dir_host; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
889 struct ip_addr ip; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
890 unsigned int username_hash; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
891 struct mail_host *host; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
892 struct user *user; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
893 struct director_host *src_host = conn->host; |
20978
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
894 bool weak = TRUE, weak_forward = FALSE, forced; |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
895 int ret; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
896 |
15320
e4c337f38ed6
director: Fixed previous broken change for handling USER-WEAK commands.
Timo Sirainen <tss@iki.fi>
parents:
15132
diff
changeset
|
897 /* note that unlike other commands we don't want to just ignore |
e4c337f38ed6
director: Fixed previous broken change for handling USER-WEAK commands.
Timo Sirainen <tss@iki.fi>
parents:
15132
diff
changeset
|
898 duplicate commands */ |
e4c337f38ed6
director: Fixed previous broken change for handling USER-WEAK commands.
Timo Sirainen <tss@iki.fi>
parents:
15132
diff
changeset
|
899 if ((ret = director_cmd_is_seen(conn, &args, &dir_host)) < 0) |
15324 | 900 return FALSE; |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
901 |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
902 if (str_array_length(args) != 2 || |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
903 str_to_uint(args[0], &username_hash) < 0 || |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
904 net_addr2ip(args[1], &ip) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
905 director_cmd_error(conn, "Invalid parameters"); |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
906 return FALSE; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
907 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
908 |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
909 host = mail_host_lookup(conn->dir->mail_hosts, &ip); |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
910 if (host == NULL) { |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
911 /* we probably just removed this host. */ |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
912 return TRUE; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
913 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
914 |
19953
a502d38e7b70
director: Fixed user weakness getting stuck if multiple directors set user weak simultaneously
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19608
diff
changeset
|
915 if (ret == 0) { |
a502d38e7b70
director: Fixed user weakness getting stuck if multiple directors set user weak simultaneously
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19608
diff
changeset
|
916 /* First time we're seeing this - forward it to others also. |
a502d38e7b70
director: Fixed user weakness getting stuck if multiple directors set user weak simultaneously
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19608
diff
changeset
|
917 We'll want to do it even if the user was already marked as |
a502d38e7b70
director: Fixed user weakness getting stuck if multiple directors set user weak simultaneously
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19608
diff
changeset
|
918 weak, because otherwise if two directors mark the user weak |
a502d38e7b70
director: Fixed user weakness getting stuck if multiple directors set user weak simultaneously
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19608
diff
changeset
|
919 at the same time both the USER-WEAK notifications reach |
a502d38e7b70
director: Fixed user weakness getting stuck if multiple directors set user weak simultaneously
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19608
diff
changeset
|
920 only half the directors until they collide and neither one |
a502d38e7b70
director: Fixed user weakness getting stuck if multiple directors set user weak simultaneously
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19608
diff
changeset
|
921 finishes going through the whole ring marking the user |
a502d38e7b70
director: Fixed user weakness getting stuck if multiple directors set user weak simultaneously
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19608
diff
changeset
|
922 non-weak. */ |
a502d38e7b70
director: Fixed user weakness getting stuck if multiple directors set user weak simultaneously
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19608
diff
changeset
|
923 weak_forward = TRUE; |
a502d38e7b70
director: Fixed user weakness getting stuck if multiple directors set user weak simultaneously
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19608
diff
changeset
|
924 } else if (dir_host == conn->dir->self_host) { |
16619
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
925 /* We originated this USER-WEAK request. The entire ring has seen |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
926 it and there weren't any conflicts. Make the user non-weak. */ |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
927 dir_debug("user refresh: %u Our USER-WEAK seen by the entire ring", |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
928 username_hash); |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
929 src_host = conn->dir->self_host; |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
930 weak = FALSE; |
16619
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
931 } else { |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
932 /* The original USER-WEAK sender will send a new non-weak USER |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
933 update saying what really happened. We'll still need to forward |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
934 this around the ring to the origin so it also knows it has |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
935 travelled through the ring. */ |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
936 dir_debug("user refresh: %u Remote USER-WEAK from %s seen by the entire ring, ignoring", |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
937 username_hash, net_ip2addr(&dir_host->ip)); |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
938 weak_forward = TRUE; |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
939 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
940 |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
941 if (director_user_refresh(conn, username_hash, |
20978
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
942 host, ioloop_time, weak, &forced, &user) || |
16619
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
943 weak_forward) { |
20978
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
944 if (forced) |
7a4fb29a4e52
director: If user host conflict is detected, make sure new host is sent back.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20974
diff
changeset
|
945 src_host = conn->dir->self_host; |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
946 if (!user->weak) |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
947 director_update_user(conn->dir, src_host, user); |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
948 else { |
17259
6269063f8408
director: Fixed handling weak users when there were exactly 2 director servers in the ring.
Timo Sirainen <tss@iki.fi>
parents:
17130
diff
changeset
|
949 director_update_user_weak(conn->dir, src_host, conn, |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
950 dir_host, user); |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
951 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
952 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
953 return TRUE; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
954 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
955 |
14629
c93ca5e46a8a
Marked functions parameters that are allowed to be NULL. Some APIs were also changed.
Timo Sirainen <tss@iki.fi>
parents:
14575
diff
changeset
|
956 static bool ATTR_NULL(3) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
957 director_cmd_host_int(struct director_connection *conn, const char *const *args, |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
958 struct director_host *dir_host) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
959 { |
19287
0f9d4f1a083d
director: Don't become desynced if two directors change the same backend in incompatible ways.
Timo Sirainen <tss@iki.fi>
parents:
19036
diff
changeset
|
960 struct director_host *src_host = conn->host; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
961 struct mail_host *host; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
962 struct ip_addr ip; |
19408
7e47f561ad49
director: Code cleanup - access host->tag via mail_host_get_tag()
Timo Sirainen <tss@iki.fi>
parents:
19407
diff
changeset
|
963 const char *tag = "", *host_tag, *hostname = NULL; |
19309
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
964 unsigned int arg_count, vhost_count; |
18729
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
965 bool update, down = FALSE; |
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
966 time_t last_updown_change = 0; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
967 |
19309
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
968 arg_count = str_array_length(args); |
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
969 if (arg_count < 2 || |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
970 net_addr2ip(args[0], &ip) < 0 || |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
971 str_to_uint(args[1], &vhost_count) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
972 director_cmd_error(conn, "Invalid parameters"); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
973 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
974 } |
19309
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
975 if (arg_count >= 3) |
18067
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
976 tag = args[2]; |
19309
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
977 if (arg_count >= 4) { |
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
978 if ((args[3][0] != 'D' && args[3][0] != 'U') || |
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
979 str_to_time(args[3]+1, &last_updown_change) < 0) { |
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
980 director_cmd_error(conn, "Invalid updown parameters"); |
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
981 return FALSE; |
18729
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
982 } |
19309
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
983 down = args[3][0] == 'D'; |
18729
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
984 } |
19310
7f718c840aff
director: Remember backends' hostnames and send them in login reply.
Timo Sirainen <tss@iki.fi>
parents:
19309
diff
changeset
|
985 if (arg_count >= 5) |
7f718c840aff
director: Remember backends' hostnames and send them in login reply.
Timo Sirainen <tss@iki.fi>
parents:
19309
diff
changeset
|
986 hostname = args[4]; |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
987 if (conn->ignore_host_events) { |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
988 /* remote is sending hosts in a handshake, but it doesn't have |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
989 a completed ring and we do. */ |
11585 | 990 i_assert(conn->handshake_sending_hosts); |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
991 return TRUE; |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
992 } |
19411
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
993 if (tag[0] != '\0' && conn->minor_version < DIRECTOR_VERSION_TAGS_V2) { |
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
994 director_cmd_error(conn, "Received a host tag from older director version with incompatible tagging support"); |
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
995 return FALSE; |
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
996 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
997 |
11352
19336bddada2
director: Code cleanup - keep mail hosts in a struct rather than in static variables.
Timo Sirainen <tss@iki.fi>
parents:
11350
diff
changeset
|
998 host = mail_host_lookup(conn->dir->mail_hosts, &ip); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
999 if (host == NULL) { |
19310
7f718c840aff
director: Remember backends' hostnames and send them in login reply.
Timo Sirainen <tss@iki.fi>
parents:
19309
diff
changeset
|
1000 host = mail_host_add_hostname(conn->dir->mail_hosts, |
7f718c840aff
director: Remember backends' hostnames and send them in login reply.
Timo Sirainen <tss@iki.fi>
parents:
19309
diff
changeset
|
1001 hostname, &ip, tag); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1002 update = TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1003 } else { |
18729
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1004 update = host->vhost_count != vhost_count || |
19506
e6aa0aa3d599
director: Don't trigger a ring resync if only last_updown_change has changed.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19411
diff
changeset
|
1005 host->down != down; |
19292
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
1006 |
19408
7e47f561ad49
director: Code cleanup - access host->tag via mail_host_get_tag()
Timo Sirainen <tss@iki.fi>
parents:
19407
diff
changeset
|
1007 host_tag = mail_host_get_tag(host); |
7e47f561ad49
director: Code cleanup - access host->tag via mail_host_get_tag()
Timo Sirainen <tss@iki.fi>
parents:
19407
diff
changeset
|
1008 if (strcmp(tag, host_tag) != 0) { |
18067
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
1009 i_error("director(%s): Host %s changed tag from '%s' to '%s'", |
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
1010 conn->name, net_ip2addr(&host->ip), |
19408
7e47f561ad49
director: Code cleanup - access host->tag via mail_host_get_tag()
Timo Sirainen <tss@iki.fi>
parents:
19407
diff
changeset
|
1011 host_tag, tag); |
18067
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
1012 mail_host_set_tag(host, tag); |
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
1013 update = TRUE; |
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
1014 } |
19287
0f9d4f1a083d
director: Don't become desynced if two directors change the same backend in incompatible ways.
Timo Sirainen <tss@iki.fi>
parents:
19036
diff
changeset
|
1015 if (update && host->desynced) { |
19608
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1016 string_t *str = t_str_new(128); |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1017 |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1018 str_printfa(str, "director(%s): Host %s is being updated before previous update had finished (", |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1019 conn->name, net_ip2addr(&host->ip)); |
20286
4d926d1e9164
director: Fixed ignoring an obsolete up/down change while host is desynced.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20264
diff
changeset
|
1020 if (host->down != down && |
4d926d1e9164
director: Fixed ignoring an obsolete up/down change while host is desynced.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20264
diff
changeset
|
1021 host->last_updown_change > last_updown_change) { |
4d926d1e9164
director: Fixed ignoring an obsolete up/down change while host is desynced.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20264
diff
changeset
|
1022 /* our host has a newer change. preserve it. */ |
4d926d1e9164
director: Fixed ignoring an obsolete up/down change while host is desynced.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20264
diff
changeset
|
1023 down = host->down; |
4d926d1e9164
director: Fixed ignoring an obsolete up/down change while host is desynced.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20264
diff
changeset
|
1024 } |
19608
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1025 if (host->down != down) { |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1026 if (host->down) |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1027 str_append(str, "down -> up"); |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1028 else |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1029 str_append(str, "up -> down"); |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1030 } |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1031 if (host->vhost_count != vhost_count) { |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1032 if (host->down != down) |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1033 str_append(str, ", "); |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1034 str_printfa(str, "vhosts %u -> %u", |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1035 host->vhost_count, vhost_count); |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1036 } |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1037 str_append(str, ") - "); |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1038 |
19287
0f9d4f1a083d
director: Don't become desynced if two directors change the same backend in incompatible ways.
Timo Sirainen <tss@iki.fi>
parents:
19036
diff
changeset
|
1039 vhost_count = I_MIN(vhost_count, host->vhost_count); |
0f9d4f1a083d
director: Don't become desynced if two directors change the same backend in incompatible ways.
Timo Sirainen <tss@iki.fi>
parents:
19036
diff
changeset
|
1040 last_updown_change = I_MAX(last_updown_change, |
0f9d4f1a083d
director: Don't become desynced if two directors change the same backend in incompatible ways.
Timo Sirainen <tss@iki.fi>
parents:
19036
diff
changeset
|
1041 host->last_updown_change); |
19608
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1042 str_printfa(str, "setting to state=%s vhosts=%u", |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1043 down ? "down" : "up", vhost_count); |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
1044 i_warning("%s", str_c(str)); |
19287
0f9d4f1a083d
director: Don't become desynced if two directors change the same backend in incompatible ways.
Timo Sirainen <tss@iki.fi>
parents:
19036
diff
changeset
|
1045 /* make the change appear to come from us, so it |
0f9d4f1a083d
director: Don't become desynced if two directors change the same backend in incompatible ways.
Timo Sirainen <tss@iki.fi>
parents:
19036
diff
changeset
|
1046 reaches the full ring */ |
0f9d4f1a083d
director: Don't become desynced if two directors change the same backend in incompatible ways.
Timo Sirainen <tss@iki.fi>
parents:
19036
diff
changeset
|
1047 dir_host = NULL; |
0f9d4f1a083d
director: Don't become desynced if two directors change the same backend in incompatible ways.
Timo Sirainen <tss@iki.fi>
parents:
19036
diff
changeset
|
1048 src_host = conn->dir->self_host; |
0f9d4f1a083d
director: Don't become desynced if two directors change the same backend in incompatible ways.
Timo Sirainen <tss@iki.fi>
parents:
19036
diff
changeset
|
1049 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1050 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1051 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1052 if (update) { |
21842
86e52ff70044
director: Log vhost count changes and HOST-UP/DOWN
Martti Rannanjärvi <martti.rannanjarvi@dovecot.fi>
parents:
21390
diff
changeset
|
1053 const char *log_prefix = t_strdup_printf("director(%s): ", |
86e52ff70044
director: Log vhost count changes and HOST-UP/DOWN
Martti Rannanjärvi <martti.rannanjarvi@dovecot.fi>
parents:
21390
diff
changeset
|
1054 conn->name); |
86e52ff70044
director: Log vhost count changes and HOST-UP/DOWN
Martti Rannanjärvi <martti.rannanjarvi@dovecot.fi>
parents:
21390
diff
changeset
|
1055 mail_host_set_down(host, down, last_updown_change, log_prefix); |
86e52ff70044
director: Log vhost count changes and HOST-UP/DOWN
Martti Rannanjärvi <martti.rannanjarvi@dovecot.fi>
parents:
21390
diff
changeset
|
1056 mail_host_set_vhost_count(host, vhost_count, log_prefix); |
19287
0f9d4f1a083d
director: Don't become desynced if two directors change the same backend in incompatible ways.
Timo Sirainen <tss@iki.fi>
parents:
19036
diff
changeset
|
1057 director_update_host(conn->dir, src_host, dir_host, host); |
19292
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
1058 } else { |
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
1059 dir_debug("Ignoring host %s update vhost_count=%u " |
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
1060 "down=%d last_updown_change=%ld (hosts_hash=%u)", |
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
1061 net_ip2addr(&ip), vhost_count, down, |
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
1062 (long)last_updown_change, |
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
1063 mail_hosts_hash(conn->dir->mail_hosts)); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1064 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1065 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1066 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1067 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1068 static bool |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1069 director_cmd_host_handshake(struct director_connection *conn, |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1070 const char *const *args) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1071 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1072 return director_cmd_host_int(conn, args, NULL); |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1073 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1074 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1075 static bool |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1076 director_cmd_host(struct director_connection *conn, const char *const *args) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1077 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1078 struct director_host *dir_host; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1079 int ret; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1080 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1081 if ((ret = director_cmd_is_seen(conn, &args, &dir_host)) != 0) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1082 return ret > 0; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1083 return director_cmd_host_int(conn, args, dir_host); |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1084 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1085 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1086 static bool |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1087 director_cmd_host_remove(struct director_connection *conn, |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1088 const char *const *args) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1089 { |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1090 struct director_host *dir_host; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1091 struct mail_host *host; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1092 struct ip_addr ip; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1093 int ret; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1094 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1095 if ((ret = director_cmd_is_seen(conn, &args, &dir_host)) != 0) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1096 return ret > 0; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1097 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1098 if (str_array_length(args) != 1 || |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1099 net_addr2ip(args[0], &ip) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1100 director_cmd_error(conn, "Invalid parameters"); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1101 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1102 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1103 |
11352
19336bddada2
director: Code cleanup - keep mail hosts in a struct rather than in static variables.
Timo Sirainen <tss@iki.fi>
parents:
11350
diff
changeset
|
1104 host = mail_host_lookup(conn->dir->mail_hosts, &ip); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1105 if (host != NULL) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1106 director_remove_host(conn->dir, conn->host, dir_host, host); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1107 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1108 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1109 |
11355
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1110 static bool |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1111 director_cmd_host_flush(struct director_connection *conn, |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1112 const char *const *args) |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1113 { |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1114 struct director_host *dir_host; |
11355
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1115 struct mail_host *host; |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1116 struct ip_addr ip; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1117 int ret; |
11355
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1118 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1119 if ((ret = director_cmd_is_seen(conn, &args, &dir_host)) != 0) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1120 return ret > 0; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1121 |
11816
9e41df232dd6
director: Fixed handling HOST-FLUSH commands.
Timo Sirainen <tss@iki.fi>
parents:
11758
diff
changeset
|
1122 if (str_array_length(args) != 1 || |
9e41df232dd6
director: Fixed handling HOST-FLUSH commands.
Timo Sirainen <tss@iki.fi>
parents:
11758
diff
changeset
|
1123 net_addr2ip(args[0], &ip) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1124 director_cmd_error(conn, "Invalid parameters"); |
11355
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1125 return FALSE; |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1126 } |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1127 |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1128 host = mail_host_lookup(conn->dir->mail_hosts, &ip); |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1129 if (host != NULL) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1130 director_flush_host(conn->dir, conn->host, dir_host, host); |
11355
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1131 return TRUE; |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1132 } |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1133 |
13045
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1134 static bool |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1135 director_cmd_user_move(struct director_connection *conn, |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1136 const char *const *args) |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1137 { |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1138 struct director_host *dir_host; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1139 struct mail_host *host; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1140 struct ip_addr ip; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1141 unsigned int username_hash; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1142 int ret; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1143 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1144 if ((ret = director_cmd_is_seen(conn, &args, &dir_host)) != 0) |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1145 return ret > 0; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1146 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1147 if (str_array_length(args) != 2 || |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1148 str_to_uint(args[0], &username_hash) < 0 || |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1149 net_addr2ip(args[1], &ip) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1150 director_cmd_error(conn, "Invalid parameters"); |
13045
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1151 return FALSE; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1152 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1153 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1154 host = mail_host_lookup(conn->dir->mail_hosts, &ip); |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1155 if (host != NULL) { |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1156 director_move_user(conn->dir, conn->host, dir_host, |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1157 username_hash, host); |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1158 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1159 return TRUE; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1160 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1161 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1162 static bool |
17418
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1163 director_cmd_user_kick(struct director_connection *conn, |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1164 const char *const *args) |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1165 { |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1166 struct director_host *dir_host; |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1167 int ret; |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1168 |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1169 if ((ret = director_cmd_is_seen(conn, &args, &dir_host)) != 0) |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1170 return ret > 0; |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1171 |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1172 if (str_array_length(args) != 1) { |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1173 director_cmd_error(conn, "Invalid parameters"); |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1174 return FALSE; |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1175 } |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1176 |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1177 director_kick_user(conn->dir, conn->host, dir_host, args[0]); |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1178 return TRUE; |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1179 } |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1180 |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1181 static bool |
20846
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1182 director_cmd_user_kick_alt(struct director_connection *conn, |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1183 const char *const *args) |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1184 { |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1185 struct director_host *dir_host; |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1186 int ret; |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1187 |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1188 if ((ret = director_cmd_is_seen(conn, &args, &dir_host)) != 0) |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1189 return ret > 0; |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1190 |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1191 if (str_array_length(args) != 2) { |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1192 director_cmd_error(conn, "Invalid parameters"); |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1193 return FALSE; |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1194 } |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1195 |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1196 director_kick_user_alt(conn->dir, conn->host, dir_host, args[0], args[1]); |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1197 return TRUE; |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1198 } |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1199 |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1200 static bool |
17419
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1201 director_cmd_user_kick_hash(struct director_connection *conn, |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1202 const char *const *args) |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1203 { |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1204 struct director_host *dir_host; |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1205 unsigned int username_hash; |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1206 struct ip_addr except_ip; |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1207 int ret; |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1208 |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1209 if ((ret = director_cmd_is_seen(conn, &args, &dir_host)) != 0) |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1210 return ret > 0; |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1211 |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1212 if (str_array_length(args) != 2 || |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1213 str_to_uint(args[0], &username_hash) < 0 || |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1214 net_addr2ip(args[1], &except_ip) < 0) { |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1215 director_cmd_error(conn, "Invalid parameters"); |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1216 return FALSE; |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1217 } |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1218 |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1219 director_kick_user_hash(conn->dir, conn->host, dir_host, |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1220 username_hash, &except_ip); |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1221 return TRUE; |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1222 } |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1223 |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1224 static bool |
13045
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1225 director_cmd_user_killed(struct director_connection *conn, |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1226 const char *const *args) |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1227 { |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1228 unsigned int username_hash; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1229 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1230 if (str_array_length(args) != 1 || |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1231 str_to_uint(args[0], &username_hash) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1232 director_cmd_error(conn, "Invalid parameters"); |
13045
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1233 return FALSE; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1234 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1235 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1236 director_user_killed(conn->dir, username_hash); |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1237 return TRUE; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1238 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1239 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1240 static bool |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1241 director_cmd_user_killed_everywhere(struct director_connection *conn, |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1242 const char *const *args) |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1243 { |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1244 struct director_host *dir_host; |
20981
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
1245 unsigned int seq, username_hash; |
13045
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1246 int ret; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1247 |
20981
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
1248 if ((ret = director_cmd_is_seen_full(conn, &args, &seq, &dir_host)) < 0) |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
1249 return FALSE; |
13045
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1250 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1251 if (str_array_length(args) != 1 || |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1252 str_to_uint(args[0], &username_hash) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1253 director_cmd_error(conn, "Invalid parameters"); |
13045
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1254 return FALSE; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1255 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1256 |
20981
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
1257 if (ret > 0) { |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
1258 i_assert(dir_host != NULL); |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
1259 dir_debug("User %u - ignoring already seen USER-KILLED-EVERYWHERE " |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
1260 "with seq=%u <= %s.last_seq=%u", username_hash, |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
1261 seq, dir_host->name, dir_host->last_seq); |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
1262 return TRUE; |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
1263 } |
699e305f6a39
director: Improve debug logging output.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20980
diff
changeset
|
1264 |
13045
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1265 director_user_killed_everywhere(conn->dir, conn->host, |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1266 dir_host, username_hash); |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1267 return TRUE; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1268 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1269 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1270 static bool director_handshake_cmd_done(struct director_connection *conn) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1271 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1272 struct director *dir = conn->dir; |
22252
8882a5cbe76d
director: Use more accurate timestamps for handshake timeout logging
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22251
diff
changeset
|
1273 int handshake_msecs = timeval_diff_msecs(&ioloop_timeval, &conn->connected_time); |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1274 string_t *str; |
14478
ee169584bc44
director: Improved debug handshake message.
Timo Sirainen <tss@iki.fi>
parents:
14477
diff
changeset
|
1275 |
16621
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1276 if (conn->users_unsorted && conn->user_iter == NULL) { |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1277 /* we sent our user list before receiving remote's */ |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1278 conn->users_unsorted = FALSE; |
21079
d6f399a7f672
director: Keep per-tag directory
Aki Tuomi <aki.tuomi@dovecot.fi>
parents:
21077
diff
changeset
|
1279 mail_hosts_sort_users(conn->dir->mail_hosts); |
16621
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1280 } |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1281 |
18063
91c525000811
director: Always log a message when director handshake finishes.
Timo Sirainen <tss@iki.fi>
parents:
18062
diff
changeset
|
1282 str = t_str_new(128); |
22253
9676f01a11df
director: Log more connection state information on handshaking errors
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22252
diff
changeset
|
1283 str_printfa(str, "director(%s): Handshake finished in %u.%03u secs (", |
9676f01a11df
director: Log more connection state information on handshaking errors
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22252
diff
changeset
|
1284 conn->name, handshake_msecs/1000, handshake_msecs%1000); |
9676f01a11df
director: Log more connection state information on handshaking errors
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22252
diff
changeset
|
1285 director_connection_append_stats(conn, str); |
9676f01a11df
director: Log more connection state information on handshaking errors
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22252
diff
changeset
|
1286 str_append_c(str, ')'); |
22252
8882a5cbe76d
director: Use more accurate timestamps for handshake timeout logging
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22251
diff
changeset
|
1287 if (handshake_msecs >= DIRECTOR_HANDSHAKE_WARN_SECS*1000) |
18063
91c525000811
director: Always log a message when director handshake finishes.
Timo Sirainen <tss@iki.fi>
parents:
18062
diff
changeset
|
1288 i_warning("%s", str_c(str)); |
91c525000811
director: Always log a message when director handshake finishes.
Timo Sirainen <tss@iki.fi>
parents:
18062
diff
changeset
|
1289 else |
91c525000811
director: Always log a message when director handshake finishes.
Timo Sirainen <tss@iki.fi>
parents:
18062
diff
changeset
|
1290 i_info("%s", str_c(str)); |
11579
61708c33154d
director: Debug message improvements.
Timo Sirainen <tss@iki.fi>
parents:
11572
diff
changeset
|
1291 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1292 /* the host is up now, make sure we can connect to it immediately |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1293 if needed */ |
14432
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
1294 conn->host->last_network_failure = 0; |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1295 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1296 conn->handshake_received = TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1297 if (conn->in) { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1298 /* handshaked to left side. tell it we've received the |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1299 whole handshake. */ |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1300 director_connection_send(conn, "DONE\n"); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1301 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1302 /* tell the "right" director about the "left" one */ |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1303 director_update_send(dir, director_connection_get_host(conn), |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1304 t_strdup_printf("DIRECTOR\t%s\t%u\n", |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1305 net_ip2addr(&conn->host->ip), |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1306 conn->host->port)); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1307 /* this is our "left" side. */ |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1308 return director_connection_assign_left(conn); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1309 } else { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1310 /* handshaked to "right" side. */ |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1311 return director_connection_assign_right(conn); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1312 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1313 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1314 |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1315 static int |
18065
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1316 director_handshake_cmd_options(struct director_connection *conn, |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1317 const char *const *args) |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1318 { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1319 bool consistent_hashing = FALSE; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1320 unsigned int i; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1321 |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1322 for (i = 0; args[i] != NULL; i++) { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1323 if (strcmp(args[i], DIRECTOR_OPT_CONSISTENT_HASHING) == 0) |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1324 consistent_hashing = TRUE; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1325 } |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1326 if (consistent_hashing != conn->dir->set->director_consistent_hashing) { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1327 i_error("director(%s): director_consistent_hashing settings differ between directors", |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1328 conn->name); |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1329 return -1; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1330 } |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1331 return 1; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1332 } |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1333 |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1334 static int |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1335 director_connection_handle_handshake(struct director_connection *conn, |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1336 const char *cmd, const char *const *args) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1337 { |
19036
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1338 unsigned int major_version; |
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1339 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1340 /* both incoming and outgoing connections get VERSION and ME */ |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1341 if (strcmp(cmd, "VERSION") == 0 && str_array_length(args) >= 3) { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1342 if (strcmp(args[0], DIRECTOR_VERSION_NAME) != 0) { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1343 i_error("director(%s): Wrong protocol in socket " |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1344 "(%s vs %s)", |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1345 conn->name, args[0], DIRECTOR_VERSION_NAME); |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1346 return -1; |
19036
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1347 } else if (str_to_uint(args[1], &major_version) < 0 || |
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1348 str_to_uint(args[2], &conn->minor_version) < 0) { |
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1349 i_error("director(%s): Invalid protocol version: " |
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1350 "%s.%s", conn->name, args[1], args[2]); |
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1351 return -1; |
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1352 } else if (major_version != DIRECTOR_VERSION_MAJOR) { |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1353 i_error("director(%s): Incompatible protocol version: " |
19036
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1354 "%u vs %u", conn->name, major_version, |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1355 DIRECTOR_VERSION_MAJOR); |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1356 return -1; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1357 } |
19411
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
1358 if (conn->minor_version < DIRECTOR_VERSION_TAGS_V2 && |
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
1359 mail_hosts_have_tags(conn->dir->mail_hosts)) { |
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
1360 i_error("director(%s): Director version supports incompatible tags", conn->name); |
20295
4f4e9b238ddc
director: Fixed error handling when directors support incompatible tags
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20286
diff
changeset
|
1361 return -1; |
19411
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
1362 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1363 conn->version_received = TRUE; |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1364 director_finish_sending_handshake(conn); |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1365 return 1; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1366 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1367 if (!conn->version_received) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1368 director_cmd_error(conn, "Incompatible protocol"); |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1369 return -1; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1370 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1371 |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1372 if (strcmp(cmd, "ME") == 0) |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1373 return director_cmd_me(conn, args) ? 1 : -1; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1374 if (!conn->me_received) { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1375 director_cmd_error(conn, "Expecting ME command first"); |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1376 return -1; |
11585 | 1377 } |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
1378 |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1379 /* incoming connections get a HOST list */ |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1380 if (conn->handshake_sending_hosts) { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1381 if (strcmp(cmd, "HOST") == 0) |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1382 return director_cmd_host_handshake(conn, args) ? 1 : -1; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1383 if (strcmp(cmd, "HOST-HAND-END") == 0) { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1384 conn->ignore_host_events = FALSE; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1385 conn->handshake_sending_hosts = FALSE; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1386 return 1; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1387 } |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1388 director_cmd_error(conn, "Unexpected command during host list"); |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1389 return -1; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1390 } |
18065
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1391 if (strcmp(cmd, "OPTIONS") == 0) |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1392 return director_handshake_cmd_options(conn, args); |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1393 if (strcmp(cmd, "HOST-HAND-START") == 0) { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1394 if (!conn->in) { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1395 director_cmd_error(conn, |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1396 "Host list is only for incoming connections"); |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1397 return -1; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1398 } |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1399 return director_cmd_host_hand_start(conn, args) ? 1 : -1; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1400 } |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1401 |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1402 if (conn->in && strcmp(cmd, "USER") == 0 && CMD_IS_USER_HANDHAKE(args)) |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1403 return director_handshake_cmd_user(conn, args) ? 1 : -1; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1404 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1405 /* both get DONE */ |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1406 if (strcmp(cmd, "DONE") == 0) |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1407 return director_handshake_cmd_done(conn) ? 1 : -1; |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1408 return 0; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1409 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1410 |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1411 static bool |
13940
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1412 director_connection_sync_host(struct director_connection *conn, |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1413 struct director_host *host, |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1414 uint32_t seq, unsigned int minor_version, |
19293
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1415 unsigned int timestamp, unsigned int hosts_hash) |
13940
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1416 { |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1417 struct director *dir = conn->dir; |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1418 |
14306
334424e7465e
director: Keep track of the highest supported protocol version in the ring.
Timo Sirainen <tss@iki.fi>
parents:
14303
diff
changeset
|
1419 if (minor_version > DIRECTOR_VERSION_MINOR) { |
334424e7465e
director: Keep track of the highest supported protocol version in the ring.
Timo Sirainen <tss@iki.fi>
parents:
14303
diff
changeset
|
1420 /* we're not up to date */ |
334424e7465e
director: Keep track of the highest supported protocol version in the ring.
Timo Sirainen <tss@iki.fi>
parents:
14303
diff
changeset
|
1421 minor_version = DIRECTOR_VERSION_MINOR; |
334424e7465e
director: Keep track of the highest supported protocol version in the ring.
Timo Sirainen <tss@iki.fi>
parents:
14303
diff
changeset
|
1422 } |
334424e7465e
director: Keep track of the highest supported protocol version in the ring.
Timo Sirainen <tss@iki.fi>
parents:
14303
diff
changeset
|
1423 |
13940
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1424 if (host->self) { |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1425 if (dir->sync_seq != seq) { |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1426 /* stale SYNC event */ |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1427 return FALSE; |
13940
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1428 } |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1429 /* sync_seq increases when we get disconnected, so we must be |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1430 successfully connected to both directions */ |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1431 i_assert(dir->left != NULL && dir->right != NULL); |
13940
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1432 |
19293
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1433 if (hosts_hash != 0 && |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1434 hosts_hash != mail_hosts_hash(conn->dir->mail_hosts)) { |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1435 i_error("director(%s): Hosts unexpectedly changed during SYNC reply - resending" |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1436 "(seq=%u, old hosts_hash=%u, new hosts_hash=%u)", |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1437 conn->name, seq, hosts_hash, |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1438 mail_hosts_hash(dir->mail_hosts)); |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1439 (void)director_resend_sync(dir); |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1440 return FALSE; |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1441 } |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1442 |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1443 dir->ring_min_version = minor_version; |
13940
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1444 if (!dir->ring_handshaked) { |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1445 /* the ring is handshaked */ |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1446 director_set_ring_handshaked(dir); |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1447 } else if (dir->ring_synced) { |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1448 /* duplicate SYNC (which was sent just in case the |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1449 previous one got lost) */ |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1450 } else { |
19292
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
1451 dir_debug("Ring is synced (%s sent seq=%u, hosts_hash=%u)", |
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
1452 conn->name, seq, |
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
1453 mail_hosts_hash(dir->mail_hosts)); |
13940
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1454 director_set_ring_synced(dir); |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1455 } |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1456 } else { |
16790
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1457 if (seq < host->last_sync_seq && |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1458 timestamp < host->last_sync_timestamp + |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1459 DIRECTOR_SYNC_STALE_TIMESTAMP_RESET_SECS) { |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1460 /* stale SYNC event */ |
16787
22a3ef9a006d
director: Fix & improvement to debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16786
diff
changeset
|
1461 dir_debug("Ignore stale SYNC event for %s " |
22a3ef9a006d
director: Fix & improvement to debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16786
diff
changeset
|
1462 "(seq %u < %u, timestamp=%u)", |
22a3ef9a006d
director: Fix & improvement to debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16786
diff
changeset
|
1463 host->name, seq, host->last_sync_seq, |
22a3ef9a006d
director: Fix & improvement to debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16786
diff
changeset
|
1464 timestamp); |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1465 return FALSE; |
16790
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1466 } else if (seq < host->last_sync_seq) { |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1467 i_warning("Last SYNC seq for %s appears to be stale, reseting " |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1468 "(seq=%u, timestamp=%u -> seq=%u, timestamp=%u)", |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1469 host->name, host->last_sync_seq, |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1470 host->last_sync_timestamp, seq, timestamp); |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1471 host->last_sync_seq = seq; |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1472 host->last_sync_timestamp = timestamp; |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1473 host->last_sync_seq_counter = 1; |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1474 } else if (seq > host->last_sync_seq || |
16695
f7a37b169f4a
director: Previous change caused legitimate SYNC resends to be ignored.
Timo Sirainen <tss@iki.fi>
parents:
16678
diff
changeset
|
1475 timestamp > host->last_sync_timestamp) { |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1476 host->last_sync_seq = seq; |
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1477 host->last_sync_timestamp = timestamp; |
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1478 host->last_sync_seq_counter = 1; |
16790
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1479 dir_debug("Update SYNC for %s " |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1480 "(seq=%u, timestamp=%u -> seq=%u, timestamp=%u)", |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1481 host->name, host->last_sync_seq, |
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1482 host->last_sync_timestamp, seq, timestamp); |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1483 } else if (++host->last_sync_seq_counter > |
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1484 DIRECTOR_MAX_SYNC_SEQ_DUPLICATES) { |
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1485 /* we've received this too many times already */ |
16786
17389ac3cb66
director: Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16699
diff
changeset
|
1486 dir_debug("Ignore duplicate #%u SYNC event for %s " |
17389ac3cb66
director: Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16699
diff
changeset
|
1487 "(seq=%u, timestamp %u <= %u)", |
16787
22a3ef9a006d
director: Fix & improvement to debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16786
diff
changeset
|
1488 host->last_sync_seq_counter, host->name, seq, |
16786
17389ac3cb66
director: Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16699
diff
changeset
|
1489 timestamp, host->last_sync_timestamp); |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1490 return FALSE; |
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1491 } |
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1492 |
19293
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1493 if (hosts_hash != 0 && |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1494 hosts_hash != mail_hosts_hash(conn->dir->mail_hosts)) { |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1495 if (host->desynced_hosts_hash != hosts_hash) { |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1496 dir_debug("Ignore director %s stale SYNC request whose hosts don't match us " |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1497 "(seq=%u, remote hosts_hash=%u, my hosts_hash=%u)", |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1498 net_ip2addr(&host->ip), seq, hosts_hash, |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1499 mail_hosts_hash(dir->mail_hosts)); |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1500 host->desynced_hosts_hash = hosts_hash; |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1501 return FALSE; |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1502 } |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1503 /* we'll get here only if we received a SYNC twice |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1504 with the same wrong hosts_hash. FIXME: this gets |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1505 triggered unnecessarily sometimes if hosts are |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1506 changing rapidly. */ |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1507 i_error("director(%s): Director %s SYNC request hosts don't match us - resending hosts " |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1508 "(seq=%u, remote hosts_hash=%u, my hosts_hash=%u)", |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1509 conn->name, net_ip2addr(&host->ip), seq, |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1510 hosts_hash, mail_hosts_hash(dir->mail_hosts)); |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1511 director_resend_hosts(dir); |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1512 return FALSE; |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1513 } |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1514 host->desynced_hosts_hash = 0; |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1515 if (dir->right != NULL) { |
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1516 /* forward it to the connection on right */ |
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1517 director_sync_send(dir, host, seq, minor_version, |
19293
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1518 timestamp, hosts_hash); |
20971
3e6f922c2322
director: If SYNCs are received during handshake, send them later.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20846
diff
changeset
|
1519 } else { |
3e6f922c2322
director: If SYNCs are received during handshake, send them later.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20846
diff
changeset
|
1520 dir_debug("director(%s): We have no right connection - " |
3e6f922c2322
director: If SYNCs are received during handshake, send them later.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20846
diff
changeset
|
1521 "delay replying to SYNC until finished", conn->name); |
3e6f922c2322
director: If SYNCs are received during handshake, send them later.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20846
diff
changeset
|
1522 host->delayed_sync_seq = seq; |
3e6f922c2322
director: If SYNCs are received during handshake, send them later.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20846
diff
changeset
|
1523 host->delayed_sync_minor_version = minor_version; |
3e6f922c2322
director: If SYNCs are received during handshake, send them later.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20846
diff
changeset
|
1524 host->delayed_sync_timestamp = timestamp; |
3e6f922c2322
director: If SYNCs are received during handshake, send them later.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20846
diff
changeset
|
1525 host->delayed_sync_hosts_hash = hosts_hash; |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1526 } |
13940
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1527 } |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1528 return TRUE; |
13940
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1529 } |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1530 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1531 static bool director_connection_sync(struct director_connection *conn, |
14306
334424e7465e
director: Keep track of the highest supported protocol version in the ring.
Timo Sirainen <tss@iki.fi>
parents:
14303
diff
changeset
|
1532 const char *const *args) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1533 { |
11585 | 1534 struct director *dir = conn->dir; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1535 struct director_host *host; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1536 struct ip_addr ip; |
19035
aabfe48db1cf
Changed type of internet port values to in_port_t everywhere.
Stephan Bosch <stephan@rename-it.nl>
parents:
18858
diff
changeset
|
1537 in_port_t port; |
19289
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1538 unsigned int arg_count, seq, minor_version = 0, timestamp = ioloop_time; |
19293
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1539 unsigned int hosts_hash = 0; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1540 |
19289
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1541 arg_count = str_array_length(args); |
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1542 if (arg_count < 3 || |
12208
a224997afefd
director: Properly detect invalid command parameters in director<->director connections.
Timo Sirainen <tss@iki.fi>
parents:
12065
diff
changeset
|
1543 !director_args_parse_ip_port(conn, args, &ip, &port) || |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1544 str_to_uint(args[2], &seq) < 0) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1545 director_cmd_error(conn, "Invalid parameters"); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1546 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1547 } |
19289
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1548 if (arg_count >= 4 && str_to_uint(args[3], &minor_version) < 0) { |
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1549 director_cmd_error(conn, "Invalid parameters"); |
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1550 return FALSE; |
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1551 } |
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1552 if (arg_count >= 5 && str_to_uint(args[4], ×tamp) < 0) { |
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1553 director_cmd_error(conn, "Invalid parameters"); |
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1554 return FALSE; |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1555 } |
19293
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1556 if (arg_count >= 6 && str_to_uint(args[5], &hosts_hash) < 0) { |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1557 director_cmd_error(conn, "Invalid parameters"); |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1558 return FALSE; |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1559 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1560 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1561 /* find the originating director. if we don't see it, it was already |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1562 removed and we can ignore this sync. */ |
11585 | 1563 host = director_host_lookup(dir, &ip, port); |
14306
334424e7465e
director: Keep track of the highest supported protocol version in the ring.
Timo Sirainen <tss@iki.fi>
parents:
14303
diff
changeset
|
1564 if (host != NULL) { |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1565 if (!director_connection_sync_host(conn, host, seq, |
19293
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1566 minor_version, timestamp, |
8f225e43e6e3
director: Detect if directors' hosts have become desynced by sending hosts_hash in SYNC parameter.
Timo Sirainen <tss@iki.fi>
parents:
19292
diff
changeset
|
1567 hosts_hash)) |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1568 return TRUE; |
14306
334424e7465e
director: Keep track of the highest supported protocol version in the ring.
Timo Sirainen <tss@iki.fi>
parents:
14303
diff
changeset
|
1569 } |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1570 |
19954
82ffadc8c4d7
director: Don't re-send SYNC unnecessarily often.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19953
diff
changeset
|
1571 /* If directors got disconnected while we were waiting a SYNC reply, |
82ffadc8c4d7
director: Don't re-send SYNC unnecessarily often.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19953
diff
changeset
|
1572 it might have gotten lost. If we've received a DIRECTOR update since |
82ffadc8c4d7
director: Don't re-send SYNC unnecessarily often.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19953
diff
changeset
|
1573 the last time we sent a SYNC, retry sending it here to make sure |
82ffadc8c4d7
director: Don't re-send SYNC unnecessarily often.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19953
diff
changeset
|
1574 it doesn't get stuck. We don't want to do this too eagerly because |
82ffadc8c4d7
director: Don't re-send SYNC unnecessarily often.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19953
diff
changeset
|
1575 it may trigger desynced_hosts_hash != hosts_hash mismatch, which |
82ffadc8c4d7
director: Don't re-send SYNC unnecessarily often.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19953
diff
changeset
|
1576 causes unnecessary error logging and hosts-resending. */ |
16622
a6736e42301e
director: Avoid infinite SYNC loops if the originating director goes away for a long time.
Timo Sirainen <tss@iki.fi>
parents:
16621
diff
changeset
|
1577 if ((host == NULL || !host->self) && |
19954
82ffadc8c4d7
director: Don't re-send SYNC unnecessarily often.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19953
diff
changeset
|
1578 dir->last_sync_sent_ring_change_counter != dir->ring_change_counter && |
16678 | 1579 (time_t)dir->self_host->last_sync_timestamp != ioloop_time) |
14682
d0d7b810646b
Make sure we check all the functions' return values. Minor API changes to simplify this.
Timo Sirainen <tss@iki.fi>
parents:
14681
diff
changeset
|
1580 (void)director_resend_sync(dir); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1581 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1582 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1583 |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1584 static bool director_cmd_connect(struct director_connection *conn, |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1585 const char *const *args) |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1586 { |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1587 struct director *dir = conn->dir; |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1588 struct director_host *host; |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1589 struct ip_addr ip; |
19035
aabfe48db1cf
Changed type of internet port values to in_port_t everywhere.
Stephan Bosch <stephan@rename-it.nl>
parents:
18858
diff
changeset
|
1590 in_port_t port; |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1591 |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1592 if (str_array_length(args) != 2 || |
12208
a224997afefd
director: Properly detect invalid command parameters in director<->director connections.
Timo Sirainen <tss@iki.fi>
parents:
12065
diff
changeset
|
1593 !director_args_parse_ip_port(conn, args, &ip, &port)) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1594 director_cmd_error(conn, "Invalid parameters"); |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1595 return FALSE; |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1596 } |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1597 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1598 host = director_host_get(conn->dir, &ip, port); |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1599 |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1600 /* remote suggests us to connect elsewhere */ |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1601 if (dir->right != NULL && |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1602 director_host_cmp_to_self(host, dir->right->host, |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1603 dir->self_host) <= 0) { |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1604 /* the old connection is the correct one */ |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1605 dir_debug("Ignoring CONNECT request to %s (current right is %s)", |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1606 host->name, dir->right->name); |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1607 return TRUE; |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1608 } |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1609 |
19973
0b5aeb95924a
director: Avoid a potential assert-crash after removing a director from ring.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19954
diff
changeset
|
1610 /* reset failure timestamp so we'll actually try to connect there. */ |
0b5aeb95924a
director: Avoid a potential assert-crash after removing a director from ring.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19954
diff
changeset
|
1611 host->last_network_failure = 0; |
0b5aeb95924a
director: Avoid a potential assert-crash after removing a director from ring.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19954
diff
changeset
|
1612 /* reset removed-flag, so we don't crash */ |
0b5aeb95924a
director: Avoid a potential assert-crash after removing a director from ring.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19954
diff
changeset
|
1613 host->removed = FALSE; |
0b5aeb95924a
director: Avoid a potential assert-crash after removing a director from ring.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19954
diff
changeset
|
1614 |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1615 if (dir->right == NULL) { |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1616 dir_debug("Received CONNECT request to %s, " |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1617 "initializing right", host->name); |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1618 } else { |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1619 dir_debug("Received CONNECT request to %s, " |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1620 "replacing current right %s", |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1621 host->name, dir->right->name); |
11579
61708c33154d
director: Debug message improvements.
Timo Sirainen <tss@iki.fi>
parents:
11572
diff
changeset
|
1622 } |
61708c33154d
director: Debug message improvements.
Timo Sirainen <tss@iki.fi>
parents:
11572
diff
changeset
|
1623 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1624 /* connect here */ |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1625 (void)director_connect_host(dir, host); |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1626 return TRUE; |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1627 } |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1628 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1629 static void director_disconnect_wrong_lefts(struct director *dir) |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1630 { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1631 struct director_connection *const *connp, *conn; |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1632 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1633 array_foreach(&dir->connections, connp) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1634 conn = *connp; |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1635 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1636 if (conn->in && conn != dir->left && conn->me_received && |
14494
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1637 conn->to_disconnect == NULL && |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1638 director_host_cmp_to_self(dir->left->host, conn->host, |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1639 dir->self_host) < 0) |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1640 director_connection_send_connect(conn, dir->left->host); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1641 } |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1642 } |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1643 |
11586
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1644 static bool director_cmd_pong(struct director_connection *conn) |
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1645 { |
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1646 if (!conn->ping_waiting) |
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1647 return TRUE; |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1648 conn->ping_waiting = FALSE; |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1649 timeout_remove(&conn->to_pong); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1650 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1651 if (conn->verifying_left) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1652 conn->verifying_left = FALSE; |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1653 if (conn == conn->dir->left) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1654 /* our left side is functional. tell all the wrong |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1655 incoming connections to connect to it instead. */ |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1656 director_disconnect_wrong_lefts(conn->dir); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1657 } |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1658 } |
11586
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1659 |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1660 director_connection_set_ping_timeout(conn); |
11586
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1661 return TRUE; |
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1662 } |
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1663 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1664 static bool |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1665 director_connection_handle_cmd(struct director_connection *conn, |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1666 const char *cmd, const char *const *args) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1667 { |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1668 int ret; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1669 |
11327
9d886ae434c3
director: If connecting to director fails, try connecting to next one.
Timo Sirainen <tss@iki.fi>
parents:
11321
diff
changeset
|
1670 if (!conn->handshake_received) { |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1671 ret = director_connection_handle_handshake(conn, cmd, args); |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1672 if (ret > 0) |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1673 return TRUE; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1674 if (ret < 0) { |
11327
9d886ae434c3
director: If connecting to director fails, try connecting to next one.
Timo Sirainen <tss@iki.fi>
parents:
11321
diff
changeset
|
1675 /* invalid commands during handshake, |
9d886ae434c3
director: If connecting to director fails, try connecting to next one.
Timo Sirainen <tss@iki.fi>
parents:
11321
diff
changeset
|
1676 we probably don't want to reconnect here */ |
9d886ae434c3
director: If connecting to director fails, try connecting to next one.
Timo Sirainen <tss@iki.fi>
parents:
11321
diff
changeset
|
1677 return FALSE; |
9d886ae434c3
director: If connecting to director fails, try connecting to next one.
Timo Sirainen <tss@iki.fi>
parents:
11321
diff
changeset
|
1678 } |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1679 /* allow also other commands during handshake */ |
11327
9d886ae434c3
director: If connecting to director fails, try connecting to next one.
Timo Sirainen <tss@iki.fi>
parents:
11321
diff
changeset
|
1680 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1681 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1682 if (strcmp(cmd, "PING") == 0) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1683 director_connection_send(conn, "PONG\n"); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1684 return TRUE; |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1685 } |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1686 if (strcmp(cmd, "PONG") == 0) |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1687 return director_cmd_pong(conn); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1688 if (strcmp(cmd, "USER") == 0) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1689 return director_cmd_user(conn, args); |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1690 if (strcmp(cmd, "USER-WEAK") == 0) |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1691 return director_cmd_user_weak(conn, args); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1692 if (strcmp(cmd, "HOST") == 0) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1693 return director_cmd_host(conn, args); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1694 if (strcmp(cmd, "HOST-REMOVE") == 0) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1695 return director_cmd_host_remove(conn, args); |
11355
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1696 if (strcmp(cmd, "HOST-FLUSH") == 0) |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1697 return director_cmd_host_flush(conn, args); |
13045
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1698 if (strcmp(cmd, "USER-MOVE") == 0) |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1699 return director_cmd_user_move(conn, args); |
17418
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1700 if (strcmp(cmd, "USER-KICK") == 0) |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1701 return director_cmd_user_kick(conn, args); |
20846
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1702 if (strcmp(cmd, "USER-KICK-ALT") == 0) |
9d70a6f86e24
doveadm director kick: Added -f <passdb field> parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20575
diff
changeset
|
1703 return director_cmd_user_kick_alt(conn, args); |
17419
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1704 if (strcmp(cmd, "USER-KICK-HASH") == 0) |
8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
Timo Sirainen <tss@iki.fi>
parents:
17418
diff
changeset
|
1705 return director_cmd_user_kick_hash(conn, args); |
13045
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1706 if (strcmp(cmd, "USER-KILLED") == 0) |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1707 return director_cmd_user_killed(conn, args); |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1708 if (strcmp(cmd, "USER-KILLED-EVERYWHERE") == 0) |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1709 return director_cmd_user_killed_everywhere(conn, args); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1710 if (strcmp(cmd, "DIRECTOR") == 0) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1711 return director_cmd_director(conn, args); |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
1712 if (strcmp(cmd, "DIRECTOR-REMOVE") == 0) |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
1713 return director_cmd_director_remove(conn, args); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1714 if (strcmp(cmd, "SYNC") == 0) |
14306
334424e7465e
director: Keep track of the highest supported protocol version in the ring.
Timo Sirainen <tss@iki.fi>
parents:
14303
diff
changeset
|
1715 return director_connection_sync(conn, args); |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1716 if (strcmp(cmd, "CONNECT") == 0) |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1717 return director_cmd_connect(conn, args); |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1718 if (strcmp(cmd, "QUIT") == 0) { |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1719 i_warning("Director %s disconnected us with reason: %s", |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1720 conn->name, t_strarray_join(args, " ")); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1721 return FALSE; |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1722 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1723 |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1724 director_cmd_error(conn, "Unknown command %s", cmd); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1725 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1726 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1727 |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1728 static bool |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1729 director_connection_handle_line(struct director_connection *conn, |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1730 const char *line) |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1731 { |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1732 const char *cmd, *const *args; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1733 bool ret; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1734 |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1735 dir_debug("input: %s: %s", conn->name, line); |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1736 |
14471
fc8031c5e691
Use t_strsplit_tab() wherever possible
Timo Sirainen <tss@iki.fi>
parents:
14468
diff
changeset
|
1737 args = t_strsplit_tab(line); |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1738 cmd = args[0]; args++; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1739 if (cmd == NULL) { |
14479
293ada796ae6
director: Fixed protocol error detection/handling.
Timo Sirainen <tss@iki.fi>
parents:
14478
diff
changeset
|
1740 director_cmd_error(conn, "Received empty line"); |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1741 return FALSE; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1742 } |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1743 |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1744 conn->cur_cmd = cmd; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1745 conn->cur_line = line; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1746 ret = director_connection_handle_cmd(conn, cmd, args); |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1747 conn->cur_cmd = NULL; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1748 conn->cur_line = NULL; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1749 return ret; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1750 } |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1751 |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1752 static void |
18662
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1753 director_connection_log_disconnect(struct director_connection *conn, int err, |
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1754 const char *errstr) |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1755 { |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1756 string_t *str = t_str_new(128); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1757 |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1758 i_assert(conn->connected); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1759 |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1760 if (conn->connect_request_to != NULL) { |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1761 i_warning("Director %s tried to connect to us, " |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1762 "should use %s instead", |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1763 conn->name, conn->connect_request_to->name); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1764 return; |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1765 } |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1766 |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1767 str_printfa(str, "Director %s disconnected: ", conn->name); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1768 str_append(str, "Connection closed"); |
16618
0ad8da149774
director: Log director disconnection errno correctly.
Timo Sirainen <tss@iki.fi>
parents:
15715
diff
changeset
|
1769 if (err != 0 && err != EPIPE) { |
0ad8da149774
director: Log director disconnection errno correctly.
Timo Sirainen <tss@iki.fi>
parents:
15715
diff
changeset
|
1770 errno = err; |
18662
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1771 if (errstr[0] == '\0') |
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1772 str_printfa(str, ": %m"); |
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1773 else |
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1774 str_printfa(str, ": %s", errstr); |
16618
0ad8da149774
director: Log director disconnection errno correctly.
Timo Sirainen <tss@iki.fi>
parents:
15715
diff
changeset
|
1775 } |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1776 |
22255
a841e797bac2
director: Fix whitespace position in some log messages
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22254
diff
changeset
|
1777 str_append(str, " ("); |
22253
9676f01a11df
director: Log more connection state information on handshaking errors
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22252
diff
changeset
|
1778 director_connection_append_stats(conn, str); |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1779 |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1780 if (!conn->me_received) |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1781 str_append(str, ", handshake ME not received"); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1782 else if (!conn->handshake_received) |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1783 str_append(str, ", handshake DONE not received"); |
22253
9676f01a11df
director: Log more connection state information on handshaking errors
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22252
diff
changeset
|
1784 str_append_c(str, ')'); |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1785 i_error("%s", str_c(str)); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1786 } |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1787 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1788 static void director_connection_input(struct director_connection *conn) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1789 { |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1790 struct director *dir = conn->dir; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1791 char *line; |
18664
502755a1af5f
director: Include useful statistics in process title.
Timo Sirainen <tss@iki.fi>
parents:
18663
diff
changeset
|
1792 uoff_t prev_offset; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1793 bool ret; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1794 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1795 switch (i_stream_read(conn->input)) { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1796 case 0: |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1797 return; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1798 case -1: |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1799 /* disconnected */ |
18662
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1800 director_connection_log_disconnect(conn, conn->input->stream_errno, |
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1801 i_stream_get_error(conn->input)); |
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1802 director_connection_disconnected(&conn, i_stream_get_error(conn->input)); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1803 return; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1804 case -2: |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1805 /* buffer full */ |
14479
293ada796ae6
director: Fixed protocol error detection/handling.
Timo Sirainen <tss@iki.fi>
parents:
14478
diff
changeset
|
1806 director_cmd_error(conn, "Director sent us more than %d bytes", |
293ada796ae6
director: Fixed protocol error detection/handling.
Timo Sirainen <tss@iki.fi>
parents:
14478
diff
changeset
|
1807 MAX_INBUF_SIZE); |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1808 director_connection_reconnect(&conn, "Too long input line"); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1809 return; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1810 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1811 |
14494
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1812 if (conn->to_disconnect != NULL) { |
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1813 /* just read everything the remote sends, and wait for it |
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1814 to disconnect. we mainly just want the remote to read the |
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1815 CONNECT we sent it. */ |
14683
9646f80ac3e9
Added i_stream_get_data_size(). Used it where possible.
Timo Sirainen <tss@iki.fi>
parents:
14682
diff
changeset
|
1816 i_stream_skip(conn->input, i_stream_get_data_size(conn->input)); |
14494
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1817 return; |
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1818 } |
20575
bceac5d8ae3b
director: Added more debug information to "Ping timed out" error
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20295
diff
changeset
|
1819 conn->last_input = ioloop_timeval; |
14494
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1820 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1821 director_sync_freeze(dir); |
18664
502755a1af5f
director: Include useful statistics in process title.
Timo Sirainen <tss@iki.fi>
parents:
18663
diff
changeset
|
1822 prev_offset = conn->input->v_offset; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1823 while ((line = i_stream_next_line(conn->input)) != NULL) { |
18664
502755a1af5f
director: Include useful statistics in process title.
Timo Sirainen <tss@iki.fi>
parents:
18663
diff
changeset
|
1824 dir->ring_traffic_input += conn->input->v_offset - prev_offset; |
502755a1af5f
director: Include useful statistics in process title.
Timo Sirainen <tss@iki.fi>
parents:
18663
diff
changeset
|
1825 prev_offset = conn->input->v_offset; |
502755a1af5f
director: Include useful statistics in process title.
Timo Sirainen <tss@iki.fi>
parents:
18663
diff
changeset
|
1826 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1827 T_BEGIN { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1828 ret = director_connection_handle_line(conn, line); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1829 } T_END; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1830 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1831 if (!ret) { |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1832 director_connection_reconnect(&conn, t_strdup_printf( |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1833 "Invalid input: %s", line)); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1834 break; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1835 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1836 } |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1837 director_sync_thaw(dir); |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1838 if (conn != NULL) |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1839 timeout_reset(conn->to_ping); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1840 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1841 |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1842 static void director_connection_send_directors(struct director_connection *conn) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1843 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1844 struct director_host *const *hostp; |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1845 string_t *str = t_str_new(64); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1846 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1847 array_foreach(&conn->dir->dir_hosts, hostp) { |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
1848 if ((*hostp)->removed) |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
1849 continue; |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1850 |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1851 str_truncate(str, 0); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1852 str_printfa(str, "DIRECTOR\t%s\t%u\n", |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1853 net_ip2addr(&(*hostp)->ip), (*hostp)->port); |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1854 director_connection_send(conn, str_c(str)); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1855 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1856 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1857 |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
1858 static void |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1859 director_connection_send_hosts(struct director_connection *conn) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1860 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1861 struct mail_host *const *hostp; |
18729
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1862 bool send_updowns; |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1863 string_t *str = t_str_new(128); |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1864 |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1865 i_assert(conn->version_received); |
18729
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1866 |
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1867 send_updowns = conn->minor_version >= DIRECTOR_VERSION_UPDOWN; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1868 |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
1869 str_printfa(str, "HOST-HAND-START\t%u\n", conn->dir->ring_handshaked); |
11352
19336bddada2
director: Code cleanup - keep mail hosts in a struct rather than in static variables.
Timo Sirainen <tss@iki.fi>
parents:
11350
diff
changeset
|
1870 array_foreach(mail_hosts_get(conn->dir->mail_hosts), hostp) { |
18729
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1871 struct mail_host *host = *hostp; |
19408
7e47f561ad49
director: Code cleanup - access host->tag via mail_host_get_tag()
Timo Sirainen <tss@iki.fi>
parents:
19407
diff
changeset
|
1872 const char *host_tag = mail_host_get_tag(host); |
18729
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1873 |
18067
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
1874 str_printfa(str, "HOST\t%s\t%u", |
18729
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1875 net_ip2addr(&host->ip), host->vhost_count); |
19408
7e47f561ad49
director: Code cleanup - access host->tag via mail_host_get_tag()
Timo Sirainen <tss@iki.fi>
parents:
19407
diff
changeset
|
1876 if (host_tag[0] != '\0' || send_updowns) { |
18067
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
1877 str_append_c(str, '\t'); |
19408
7e47f561ad49
director: Code cleanup - access host->tag via mail_host_get_tag()
Timo Sirainen <tss@iki.fi>
parents:
19407
diff
changeset
|
1878 str_append_tabescaped(str, host_tag); |
18729
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1879 } |
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1880 if (send_updowns) { |
19310
7f718c840aff
director: Remember backends' hostnames and send them in login reply.
Timo Sirainen <tss@iki.fi>
parents:
19309
diff
changeset
|
1881 str_printfa(str, "\t%c%ld\t", host->down ? 'D' : 'U', |
18729
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1882 (long)host->last_updown_change); |
19310
7f718c840aff
director: Remember backends' hostnames and send them in login reply.
Timo Sirainen <tss@iki.fi>
parents:
19309
diff
changeset
|
1883 if (host->hostname != NULL) |
7f718c840aff
director: Remember backends' hostnames and send them in login reply.
Timo Sirainen <tss@iki.fi>
parents:
19309
diff
changeset
|
1884 str_append_tabescaped(str, host->hostname); |
18067
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
1885 } |
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
1886 str_append_c(str, '\n'); |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1887 director_connection_send(conn, str_c(str)); |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1888 str_truncate(str, 0); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1889 } |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
1890 str_printfa(str, "HOST-HAND-END\t%u\n", conn->dir->ring_handshaked); |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1891 director_connection_send(conn, str_c(str)); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1892 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1893 |
18065
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1894 static int director_connection_send_done(struct director_connection *conn) |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1895 { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1896 i_assert(conn->version_received); |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1897 |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1898 if (!conn->dir->set->director_consistent_hashing) |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1899 ; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1900 else if (conn->minor_version >= DIRECTOR_VERSION_OPTIONS) { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1901 director_connection_send(conn, |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1902 "OPTIONS\t"DIRECTOR_OPT_CONSISTENT_HASHING"\n"); |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1903 } else { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1904 i_error("director(%s): Director version is too old for supporting director_consistent_hashing=yes", |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1905 conn->name); |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1906 return -1; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1907 } |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1908 director_connection_send(conn, "DONE\n"); |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1909 return 0; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1910 } |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1911 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1912 static int director_connection_send_users(struct director_connection *conn) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1913 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1914 struct user *user; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1915 int ret; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1916 |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1917 i_assert(conn->version_received); |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1918 |
21075
6a363cb51d7f
director: Code cleanup - added user director_iterate_users_*() wrappers.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21074
diff
changeset
|
1919 while ((user = director_iterate_users_next(conn->user_iter)) != NULL) { |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1920 T_BEGIN { |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1921 string_t *str = t_str_new(128); |
11598
d3dfe9c271bc
director: Don't send expired user records to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
11586
diff
changeset
|
1922 |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1923 str_printfa(str, "USER\t%u\t%s\t%u", |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1924 user->username_hash, |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1925 net_ip2addr(&user->host->ip), |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1926 user->timestamp); |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1927 if (user->weak) |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1928 str_append(str, "\tw"); |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1929 str_append_c(str, '\n'); |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1930 director_connection_send(conn, str_c(str)); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1931 } T_END; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1932 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1933 if (o_stream_get_buffer_used_size(conn->output) >= OUTBUF_FLUSH_THRESHOLD) { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1934 if ((ret = o_stream_flush(conn->output)) <= 0) { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1935 /* continue later */ |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1936 timeout_reset(conn->to_ping); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1937 return ret; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1938 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1939 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1940 } |
21075
6a363cb51d7f
director: Code cleanup - added user director_iterate_users_*() wrappers.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21074
diff
changeset
|
1941 director_iterate_users_deinit(&conn->user_iter); |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1942 if (director_connection_send_done(conn) < 0) |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
1943 return -1; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1944 |
16621
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1945 if (conn->users_unsorted && conn->handshake_received) { |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1946 /* we received remote's list of users before sending ours */ |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1947 conn->users_unsorted = FALSE; |
21079
d6f399a7f672
director: Keep per-tag directory
Aki Tuomi <aki.tuomi@dovecot.fi>
parents:
21077
diff
changeset
|
1948 mail_hosts_sort_users(conn->dir->mail_hosts); |
16621
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1949 } |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1950 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1951 ret = o_stream_flush(conn->output); |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1952 timeout_reset(conn->to_ping); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1953 return ret; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1954 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1955 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1956 static int director_connection_output(struct director_connection *conn) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1957 { |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1958 int ret; |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1959 |
20575
bceac5d8ae3b
director: Added more debug information to "Ping timed out" error
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20295
diff
changeset
|
1960 conn->last_output = ioloop_timeval; |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1961 if (conn->user_iter != NULL) { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1962 /* still handshaking USER list */ |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1963 o_stream_cork(conn->output); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1964 ret = director_connection_send_users(conn); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1965 o_stream_uncork(conn->output); |
18662
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1966 if (ret < 0) { |
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1967 director_connection_disconnected(&conn, |
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1968 o_stream_get_error(conn->output)); |
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1969 } else { |
14480
d9f33d78fa3d
director: Make sure handshaking doesn't get stuck sending USERs.
Timo Sirainen <tss@iki.fi>
parents:
14479
diff
changeset
|
1970 o_stream_set_flush_pending(conn->output, TRUE); |
18662
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
1971 } |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1972 return ret; |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1973 } |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1974 return o_stream_flush(conn->output); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1975 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1976 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1977 static struct director_connection * |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1978 director_connection_init_common(struct director *dir, int fd) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1979 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1980 struct director_connection *conn; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1981 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1982 conn = i_new(struct director_connection, 1); |
22252
8882a5cbe76d
director: Use more accurate timestamps for handshake timeout logging
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22251
diff
changeset
|
1983 conn->created = ioloop_timeval; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1984 conn->fd = fd; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1985 conn->dir = dir; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1986 conn->input = i_stream_create_fd(conn->fd, MAX_INBUF_SIZE, FALSE); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1987 conn->output = o_stream_create_fd(conn->fd, MAX_OUTBUF_SIZE, FALSE); |
14681
ca37d1577291
Added o_stream_nsend*() and related functions to make delayed error handling safer.
Timo Sirainen <tss@iki.fi>
parents:
14674
diff
changeset
|
1988 o_stream_set_no_error_handling(conn->output, TRUE); |
14406
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
1989 array_append(&dir->connections, &conn, 1); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1990 return conn; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1991 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1992 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1993 static void director_connection_send_handshake(struct director_connection *conn) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1994 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1995 director_connection_send(conn, t_strdup_printf( |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1996 "VERSION\t"DIRECTOR_VERSION_NAME"\t%u\t%u\n" |
19294
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
1997 "ME\t%s\t%u\t%lld\n", |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1998 DIRECTOR_VERSION_MAJOR, DIRECTOR_VERSION_MINOR, |
19294
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
1999 net_ip2addr(&conn->dir->self_ip), conn->dir->self_port, |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
Timo Sirainen <tss@iki.fi>
parents:
19293
diff
changeset
|
2000 (long long)time(NULL))); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2001 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2002 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2003 struct director_connection * |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2004 director_connection_init_in(struct director *dir, int fd, |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2005 const struct ip_addr *ip) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2006 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2007 struct director_connection *conn; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2008 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2009 conn = director_connection_init_common(dir, fd); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2010 conn->in = TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2011 conn->connected = TRUE; |
22252
8882a5cbe76d
director: Use more accurate timestamps for handshake timeout logging
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22251
diff
changeset
|
2012 conn->connected_time = ioloop_timeval; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2013 conn->name = i_strdup_printf("%s/in", net_ip2addr(ip)); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2014 conn->io = io_add(conn->fd, IO_READ, director_connection_input, conn); |
22250
81a74bce2b07
director: Fix handshake timeout lengths
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21842
diff
changeset
|
2015 conn->to_ping = timeout_add(DIRECTOR_CONNECTION_ME_TIMEOUT_MSECS, |
81a74bce2b07
director: Fix handshake timeout lengths
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21842
diff
changeset
|
2016 director_connection_init_timeout, conn); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2017 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2018 director_connection_send_handshake(conn); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2019 return conn; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2020 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2021 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2022 static void director_connection_connected(struct director_connection *conn) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2023 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2024 int err; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2025 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2026 if ((err = net_geterror(conn->fd)) != 0) { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2027 i_error("director(%s): connect() failed: %s", conn->name, |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2028 strerror(err)); |
18662
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
2029 director_connection_disconnected(&conn, strerror(err)); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2030 return; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2031 } |
22252
8882a5cbe76d
director: Use more accurate timestamps for handshake timeout logging
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22251
diff
changeset
|
2032 conn->connected_time = ioloop_timeval; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2033 conn->connected = TRUE; |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2034 o_stream_set_flush_callback(conn->output, |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2035 director_connection_output, conn); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2036 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2037 io_remove(&conn->io); |
14484
25ca6b6d754a
director: Adding 25c941423e42 patch yet again, now it seems to work right.
Timo Sirainen <tss@iki.fi>
parents:
14483
diff
changeset
|
2038 conn->io = io_add(conn->fd, IO_READ, director_connection_input, conn); |
25ca6b6d754a
director: Adding 25c941423e42 patch yet again, now it seems to work right.
Timo Sirainen <tss@iki.fi>
parents:
14483
diff
changeset
|
2039 |
14477
ea5b949a623b
director: Increased timeout for sending USER data in handshake.
Timo Sirainen <tss@iki.fi>
parents:
14476
diff
changeset
|
2040 timeout_remove(&conn->to_ping); |
22250
81a74bce2b07
director: Fix handshake timeout lengths
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21842
diff
changeset
|
2041 conn->to_ping = timeout_add(DIRECTOR_CONNECTION_ME_TIMEOUT_MSECS, |
14477
ea5b949a623b
director: Increased timeout for sending USER data in handshake.
Timo Sirainen <tss@iki.fi>
parents:
14476
diff
changeset
|
2042 director_connection_init_timeout, conn); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2043 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2044 o_stream_cork(conn->output); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2045 director_connection_send_handshake(conn); |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2046 director_connection_send_directors(conn); |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2047 o_stream_uncork(conn->output); |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2048 /* send the rest of the handshake after we've received the remote's |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2049 version number */ |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2050 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2051 |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2052 static void director_finish_sending_handshake(struct director_connection *conn) |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2053 { |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2054 if ( |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2055 conn->in) { |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2056 /* only outgoing connections send hosts & users */ |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2057 return; |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2058 } |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2059 o_stream_cork(conn->output); |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2060 director_connection_send_hosts(conn); |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2061 |
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2062 i_assert(conn->user_iter == NULL); |
21075
6a363cb51d7f
director: Code cleanup - added user director_iterate_users_*() wrappers.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21074
diff
changeset
|
2063 conn->user_iter = director_iterate_users_init(conn->dir); |
6a363cb51d7f
director: Code cleanup - added user director_iterate_users_*() wrappers.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21074
diff
changeset
|
2064 |
14481
ce4e1bf7262d
director: Another fix for stuck handshake.
Timo Sirainen <tss@iki.fi>
parents:
14480
diff
changeset
|
2065 if (director_connection_send_users(conn) == 0) |
ce4e1bf7262d
director: Another fix for stuck handshake.
Timo Sirainen <tss@iki.fi>
parents:
14480
diff
changeset
|
2066 o_stream_set_flush_pending(conn->output, TRUE); |
20972
14f621e65819
director: Fix sending up/down state in handshakes.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20971
diff
changeset
|
2067 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2068 o_stream_uncork(conn->output); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2069 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2070 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2071 struct director_connection * |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2072 director_connection_init_out(struct director *dir, int fd, |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2073 struct director_host *host) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2074 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2075 struct director_connection *conn; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2076 |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
2077 i_assert(!host->removed); |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
2078 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2079 /* make sure we don't keep old sequence values across restarts */ |
16699
9531ec8afe8b
director: Reset last-seen-sync-sequence after remote director restarts.
Timo Sirainen <tss@iki.fi>
parents:
16695
diff
changeset
|
2080 director_host_restarted(host); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2081 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2082 conn = director_connection_init_common(dir, fd); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2083 conn->name = i_strdup_printf("%s/out", host->name); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2084 conn->host = host; |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
2085 director_host_ref(host); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2086 conn->io = io_add(conn->fd, IO_WRITE, |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2087 director_connection_connected, conn); |
22250
81a74bce2b07
director: Fix handshake timeout lengths
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21842
diff
changeset
|
2088 conn->to_ping = timeout_add(DIRECTOR_CONNECTION_CONNECT_TIMEOUT_MSECS, |
81a74bce2b07
director: Fix handshake timeout lengths
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21842
diff
changeset
|
2089 director_connection_init_timeout, conn); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2090 return conn; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2091 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2092 |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2093 void director_connection_deinit(struct director_connection **_conn, |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2094 const char *remote_reason) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2095 { |
14406
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2096 struct director_connection *const *conns, *conn = *_conn; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2097 struct director *dir = conn->dir; |
14406
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2098 unsigned int i, count; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2099 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2100 *_conn = NULL; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2101 |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
2102 if (conn->host != NULL) { |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
2103 dir_debug("Disconnecting from %s: %s", |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
2104 conn->host->name, remote_reason); |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2105 } |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2106 if (*remote_reason != '\0' && |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2107 conn->minor_version >= DIRECTOR_VERSION_QUIT) { |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2108 o_stream_send_str(conn->output, t_strdup_printf( |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2109 "QUIT\t%s\n", remote_reason)); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2110 } |
12935
e9139f74c451
director: Improved debug/error logging.
Timo Sirainen <tss@iki.fi>
parents:
12934
diff
changeset
|
2111 |
14406
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2112 conns = array_get(&dir->connections, &count); |
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2113 for (i = 0; i < count; i++) { |
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2114 if (conns[i] == conn) { |
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2115 array_delete(&dir->connections, i, 1); |
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2116 break; |
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2117 } |
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2118 } |
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2119 i_assert(i < count); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2120 if (dir->left == conn) { |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2121 dir->left = NULL; |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2122 /* if there is already another handshaked incoming connection, |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2123 use it as the new "left" */ |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2124 director_assign_left(dir); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2125 } |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2126 if (dir->right == conn) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2127 dir->right = NULL; |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
2128 if (conn->host != NULL) |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
2129 director_host_unref(conn->host); |
11572
659bb1a26da4
director: Added initial testing framework and some debugging output.
Timo Sirainen <tss@iki.fi>
parents:
11571
diff
changeset
|
2130 |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2131 if (conn->connect_request_to != NULL) |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2132 director_host_unref(conn->connect_request_to); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2133 if (conn->user_iter != NULL) |
21075
6a363cb51d7f
director: Code cleanup - added user director_iterate_users_*() wrappers.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21074
diff
changeset
|
2134 director_iterate_users_deinit(&conn->user_iter); |
14494
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
2135 if (conn->to_disconnect != NULL) |
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
2136 timeout_remove(&conn->to_disconnect); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2137 if (conn->to_pong != NULL) |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2138 timeout_remove(&conn->to_pong); |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2139 timeout_remove(&conn->to_ping); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2140 if (conn->io != NULL) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2141 io_remove(&conn->io); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2142 i_stream_unref(&conn->input); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2143 o_stream_unref(&conn->output); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2144 if (close(conn->fd) < 0) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2145 i_error("close(director connection) failed: %m"); |
11569
467ca06a7dbe
director: Outgoing director connections shouldn't be counted as master clients.
Timo Sirainen <tss@iki.fi>
parents:
11373
diff
changeset
|
2146 |
467ca06a7dbe
director: Outgoing director connections shouldn't be counted as master clients.
Timo Sirainen <tss@iki.fi>
parents:
11373
diff
changeset
|
2147 if (conn->in) |
467ca06a7dbe
director: Outgoing director connections shouldn't be counted as master clients.
Timo Sirainen <tss@iki.fi>
parents:
11373
diff
changeset
|
2148 master_service_client_connection_destroyed(master_service); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2149 i_free(conn->name); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2150 i_free(conn); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2151 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2152 if (dir->left == NULL || dir->right == NULL) { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2153 /* we aren't synced until we're again connected to a ring */ |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2154 dir->sync_seq++; |
13921
c70965e8b27d
director: If request is timed out, log an error.
Timo Sirainen <tss@iki.fi>
parents:
13053
diff
changeset
|
2155 director_set_ring_unsynced(dir); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2156 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2157 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2158 |
18858
8bde19f080ad
director: explicitly mark _disconnect() helper static to match proto
Phil Carmody <phil@dovecot.fi>
parents:
18729
diff
changeset
|
2159 static void director_connection_disconnected(struct director_connection **_conn, |
8bde19f080ad
director: explicitly mark _disconnect() helper static to match proto
Phil Carmody <phil@dovecot.fi>
parents:
18729
diff
changeset
|
2160 const char *reason) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2161 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2162 struct director_connection *conn = *_conn; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2163 struct director *dir = conn->dir; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2164 |
22252
8882a5cbe76d
director: Use more accurate timestamps for handshake timeout logging
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22251
diff
changeset
|
2165 if (conn->connected_time.tv_sec + DIRECTOR_SUCCESS_MIN_CONNECT_SECS > ioloop_time && |
14570
40f958c7643b
director: Don't crash with quickly disconnecting incoming director connections.
Timo Sirainen <tss@iki.fi>
parents:
14494
diff
changeset
|
2166 conn->host != NULL) { |
14432
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2167 /* connection didn't exist for very long, assume it has a |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2168 network problem */ |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2169 conn->host->last_network_failure = ioloop_time; |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2170 } |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2171 |
18662
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
2172 director_connection_deinit(_conn, reason); |
14432
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2173 if (dir->right == NULL) |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2174 director_connect(dir); |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2175 } |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2176 |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2177 static void director_connection_reconnect(struct director_connection **_conn, |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2178 const char *reason) |
14432
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2179 { |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2180 struct director_connection *conn = *_conn; |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2181 struct director *dir = conn->dir; |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2182 |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2183 director_connection_deinit(_conn, reason); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2184 if (dir->right == NULL) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2185 director_connect(dir); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2186 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2187 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2188 void director_connection_send(struct director_connection *conn, |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2189 const char *data) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2190 { |
21322
5ab8dc1a4a6f
global: Change string position/length from unsigned int to size_t
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
21079
diff
changeset
|
2191 size_t len = strlen(data); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2192 off_t ret; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2193 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2194 if (conn->output->closed || !conn->connected) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2195 return; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2196 |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
2197 if (director_debug) T_BEGIN { |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
2198 const char *const *lines = t_strsplit(data, "\n"); |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
2199 for (; lines[1] != NULL; lines++) |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
2200 dir_debug("output: %s: %s", conn->name, *lines); |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
2201 } T_END; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2202 ret = o_stream_send(conn->output, data, len); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2203 if (ret != (off_t)len) { |
20264
0fd0fb05e2b3
global: Use [io]_stream_get_error() insted of %m
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19973
diff
changeset
|
2204 if (ret < 0) { |
0fd0fb05e2b3
global: Use [io]_stream_get_error() insted of %m
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19973
diff
changeset
|
2205 i_error("director(%s): write() failed: %s", conn->name, |
0fd0fb05e2b3
global: Use [io]_stream_get_error() insted of %m
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19973
diff
changeset
|
2206 o_stream_get_error(conn->output)); |
0fd0fb05e2b3
global: Use [io]_stream_get_error() insted of %m
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19973
diff
changeset
|
2207 } else { |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2208 i_error("director(%s): Output buffer full, " |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2209 "disconnecting", conn->name); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2210 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2211 o_stream_close(conn->output); |
18664
502755a1af5f
director: Include useful statistics in process title.
Timo Sirainen <tss@iki.fi>
parents:
18663
diff
changeset
|
2212 } else { |
502755a1af5f
director: Include useful statistics in process title.
Timo Sirainen <tss@iki.fi>
parents:
18663
diff
changeset
|
2213 conn->dir->ring_traffic_output += len; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2214 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2215 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2216 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2217 static void |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2218 director_connection_ping_idle_timeout(struct director_connection *conn) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2219 { |
20575
bceac5d8ae3b
director: Added more debug information to "Ping timed out" error
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20295
diff
changeset
|
2220 string_t *str = t_str_new(128); |
bceac5d8ae3b
director: Added more debug information to "Ping timed out" error
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20295
diff
changeset
|
2221 |
22253
9676f01a11df
director: Log more connection state information on handshaking errors
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22252
diff
changeset
|
2222 str_printfa(str, "Ping timed out in %u secs, disconnecting (", |
9676f01a11df
director: Log more connection state information on handshaking errors
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22252
diff
changeset
|
2223 DIRECTOR_CONNECTION_PING_IDLE_TIMEOUT_MSECS/1000); |
9676f01a11df
director: Log more connection state information on handshaking errors
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
22252
diff
changeset
|
2224 director_connection_append_stats(conn, str); |
20575
bceac5d8ae3b
director: Added more debug information to "Ping timed out" error
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20295
diff
changeset
|
2225 if (conn->handshake_received) |
bceac5d8ae3b
director: Added more debug information to "Ping timed out" error
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20295
diff
changeset
|
2226 str_append(str, ", handshaked"); |
bceac5d8ae3b
director: Added more debug information to "Ping timed out" error
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20295
diff
changeset
|
2227 if (conn->synced) |
bceac5d8ae3b
director: Added more debug information to "Ping timed out" error
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20295
diff
changeset
|
2228 str_append(str, ", synced"); |
bceac5d8ae3b
director: Added more debug information to "Ping timed out" error
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20295
diff
changeset
|
2229 str_append_c(str, ')'); |
bceac5d8ae3b
director: Added more debug information to "Ping timed out" error
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
20295
diff
changeset
|
2230 i_error("director(%s): %s", conn->name, str_c(str)); |
18662
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
2231 director_connection_disconnected(&conn, "Ping timeout"); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2232 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2233 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2234 static void director_connection_pong_timeout(struct director_connection *conn) |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2235 { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2236 i_error("director(%s): PONG reply not received although other " |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2237 "input keeps coming, disconnecting", conn->name); |
18662
27baf04f2b18
director: If we disconnect a director, pass the reason all the way to deinit's debug logging.
Timo Sirainen <tss@iki.fi>
parents:
18137
diff
changeset
|
2238 director_connection_disconnected(&conn, "Pong timeout"); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2239 } |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2240 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2241 void director_connection_ping(struct director_connection *conn) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2242 { |
11586
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
2243 if (conn->ping_waiting) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2244 return; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2245 |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2246 timeout_remove(&conn->to_ping); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2247 conn->to_ping = timeout_add(DIRECTOR_CONNECTION_PING_IDLE_TIMEOUT_MSECS, |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2248 director_connection_ping_idle_timeout, conn); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2249 conn->to_pong = timeout_add(DIRECTOR_CONNECTION_PONG_TIMEOUT_MSECS, |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2250 director_connection_pong_timeout, conn); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2251 director_connection_send(conn, "PING\n"); |
11586
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
2252 conn->ping_waiting = TRUE; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2253 } |
11585 | 2254 |
2255 const char *director_connection_get_name(struct director_connection *conn) | |
2256 { | |
2257 return conn->name; | |
2258 } | |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2259 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2260 struct director_host * |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2261 director_connection_get_host(struct director_connection *conn) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2262 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2263 return conn->host; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2264 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2265 |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
2266 bool director_connection_is_handshaked(struct director_connection *conn) |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
2267 { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
2268 return conn->handshake_received; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
2269 } |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
2270 |
18062
ade6dcace5cd
doveadm director ring status shows now more information
Timo Sirainen <tss@iki.fi>
parents:
17419
diff
changeset
|
2271 bool director_connection_is_synced(struct director_connection *conn) |
ade6dcace5cd
doveadm director ring status shows now more information
Timo Sirainen <tss@iki.fi>
parents:
17419
diff
changeset
|
2272 { |
ade6dcace5cd
doveadm director ring status shows now more information
Timo Sirainen <tss@iki.fi>
parents:
17419
diff
changeset
|
2273 return conn->synced; |
ade6dcace5cd
doveadm director ring status shows now more information
Timo Sirainen <tss@iki.fi>
parents:
17419
diff
changeset
|
2274 } |
ade6dcace5cd
doveadm director ring status shows now more information
Timo Sirainen <tss@iki.fi>
parents:
17419
diff
changeset
|
2275 |
14406
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2276 bool director_connection_is_incoming(struct director_connection *conn) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2277 { |
14406
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2278 return conn->in; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2279 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2280 |
14431
084064444f89
director: Don't try to send the new SYNC parameter to old director versions.
Timo Sirainen <tss@iki.fi>
parents:
14409
diff
changeset
|
2281 unsigned int |
084064444f89
director: Don't try to send the new SYNC parameter to old director versions.
Timo Sirainen <tss@iki.fi>
parents:
14409
diff
changeset
|
2282 director_connection_get_minor_version(struct director_connection *conn) |
084064444f89
director: Don't try to send the new SYNC parameter to old director versions.
Timo Sirainen <tss@iki.fi>
parents:
14409
diff
changeset
|
2283 { |
084064444f89
director: Don't try to send the new SYNC parameter to old director versions.
Timo Sirainen <tss@iki.fi>
parents:
14409
diff
changeset
|
2284 return conn->minor_version; |
084064444f89
director: Don't try to send the new SYNC parameter to old director versions.
Timo Sirainen <tss@iki.fi>
parents:
14409
diff
changeset
|
2285 } |
084064444f89
director: Don't try to send the new SYNC parameter to old director versions.
Timo Sirainen <tss@iki.fi>
parents:
14409
diff
changeset
|
2286 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2287 void director_connection_cork(struct director_connection *conn) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2288 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2289 o_stream_cork(conn->output); |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2290 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2291 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2292 void director_connection_uncork(struct director_connection *conn) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2293 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2294 o_stream_uncork(conn->output); |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2295 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2296 |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2297 void director_connection_set_synced(struct director_connection *conn, |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2298 bool synced) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2299 { |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2300 if (conn->synced == synced) |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2301 return; |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2302 conn->synced = synced; |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2303 |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2304 /* switch ping timeout, unless we're already waiting for PONG */ |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2305 if (conn->ping_waiting) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2306 return; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2307 |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2308 director_connection_set_ping_timeout(conn); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2309 } |