Mercurial > dovecot > core-2.2
annotate src/director/director-connection.c @ 19608:01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
author | Timo Sirainen <timo.sirainen@dovecot.fi> |
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date | Fri, 22 Jan 2016 19:08:11 +0200 |
parents | 0f22db71df7a |
children | a502d38e7b70 |
rev | line source |
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1 /* Copyright (c) 2010-2016 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 "master-service.h" |
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40 #include "mail-host.h" |
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41 #include "director.h" |
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42 #include "director-host.h" |
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43 #include "director-request.h" |
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44 #include "user-directory.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 idling time before "ME" command must have been received, |
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53 or we'll disconnect. */ |
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55 /* Max time to wait for USERs in handshake to be sent. With a lot of users the |
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56 kernel may quickly eat up everything we send, while the receiver is busy |
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57 parsing the data. */ |
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58 #define DIRECTOR_CONNECTION_SEND_USERS_TIMEOUT_MSECS (30*1000) |
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59 /* Max idling time before "DONE" command must have been received, |
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60 or we'll disconnect. */ |
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61 #define DIRECTOR_CONNECTION_DONE_TIMEOUT_MSECS (30*1000) |
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62 /* How long to wait for PONG for an idling connection */ |
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64 /* Maximum time to wait for PONG reply */ |
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65 #define DIRECTOR_CONNECTION_PONG_TIMEOUT_MSECS (60*1000) |
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66 /* How long to wait to send PING when connection is idle */ |
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67 #define DIRECTOR_CONNECTION_PING_INTERVAL_MSECS (15*1000) |
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68 /* How long to wait before sending PING while waiting for SYNC reply */ |
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69 #define DIRECTOR_CONNECTION_PING_SYNC_INTERVAL_MSECS 1000 |
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70 /* If outgoing director connection exists for less than this many seconds, |
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71 mark the host as failed so we won't try to reconnect to it immediately */ |
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72 #define DIRECTOR_SUCCESS_MIN_CONNECT_SECS 40 |
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73 #define DIRECTOR_WAIT_DISCONNECT_SECS 10 |
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74 #define DIRECTOR_HANDSHAKE_WARN_SECS 29 |
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75 #define DIRECTOR_HANDSHAKE_BYTES_LOG_MIN_SECS (60*30) |
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76 #define DIRECTOR_MAX_SYNC_SEQ_DUPLICATES 4 |
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77 /* If we receive SYNCs with a timestamp this many seconds higher than the last |
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78 valid received SYNC timestamp, assume that we lost the director's restart |
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79 notification and reset the last_sync_seq */ |
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80 #define DIRECTOR_SYNC_STALE_TIMESTAMP_RESET_SECS (60*2) |
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81 #define DIRECTOR_MAX_CLOCK_DIFF_WARN_SECS 1 |
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82 |
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83 #if DIRECTOR_CONNECTION_DONE_TIMEOUT_MSECS <= DIRECTOR_CONNECTION_PING_TIMEOUT_MSECS |
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84 # error DIRECTOR_CONNECTION_DONE_TIMEOUT_MSECS is too low |
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85 #endif |
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86 |
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87 #if DIRECTOR_CONNECTION_PONG_TIMEOUT_MSECS <= DIRECTOR_CONNECTION_PING_IDLE_TIMEOUT_MSECS |
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88 # error DIRECTOR_CONNECTION_PONG_TIMEOUT_MSECS is too low |
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89 #endif |
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90 |
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91 #define CMD_IS_USER_HANDHAKE(args) \ |
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92 (str_array_length(args) > 2) |
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93 |
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94 #define DIRECTOR_OPT_CONSISTENT_HASHING "consistent-hashing" |
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95 |
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96 struct director_connection { |
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97 struct director *dir; |
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98 char *name; |
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99 time_t created; |
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100 unsigned int minor_version; |
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101 |
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102 /* for incoming connections the director host isn't known until |
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103 ME-line is received */ |
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104 struct director_host *host; |
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105 /* this is set only for wrong connections: */ |
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106 struct director_host *connect_request_to; |
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107 |
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108 int fd; |
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109 struct io *io; |
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110 struct istream *input; |
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111 struct ostream *output; |
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112 struct timeout *to_disconnect, *to_ping, *to_pong; |
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113 |
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114 struct user_directory_iter *user_iter; |
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115 |
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116 /* set during command execution */ |
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117 const char *cur_cmd, *cur_line; |
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118 |
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119 unsigned int in:1; |
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120 unsigned int connected:1; |
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121 unsigned int version_received:1; |
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122 unsigned int me_received:1; |
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123 unsigned int handshake_received:1; |
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124 unsigned int ignore_host_events:1; |
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126 unsigned int ping_waiting:1; |
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127 unsigned int synced:1; |
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128 unsigned int wrong_host:1; |
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129 unsigned int verifying_left:1; |
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130 unsigned int users_unsorted:1; |
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131 unsigned int done_pending:1; |
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132 }; |
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133 |
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134 static void director_connection_disconnected(struct director_connection **conn, |
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135 const char *reason); |
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136 static void director_connection_reconnect(struct director_connection **conn, |
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137 const char *reason); |
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138 static void |
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139 director_connection_log_disconnect(struct director_connection *conn, int err, |
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140 const char *errstr); |
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141 static int director_connection_send_done(struct director_connection *conn); |
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142 |
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143 static void ATTR_FORMAT(2, 3) |
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144 director_cmd_error(struct director_connection *conn, const char *fmt, ...) |
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145 { |
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146 va_list args; |
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147 |
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148 va_start(args, fmt); |
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149 i_error("director(%s): Command %s: %s (input: %s)", conn->name, |
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150 conn->cur_cmd, t_strdup_vprintf(fmt, args), conn->cur_line); |
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151 va_end(args); |
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152 |
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153 if (conn->host != NULL) |
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154 conn->host->last_protocol_failure = ioloop_time; |
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155 } |
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156 |
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157 static void |
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158 director_connection_init_timeout(struct director_connection *conn) |
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159 { |
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160 unsigned int secs = ioloop_time - conn->created; |
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161 |
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162 if (!conn->connected) { |
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163 i_error("director(%s): Connect timed out (%u secs)", |
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164 conn->name, secs); |
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165 } else if (conn->io == NULL) { |
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166 i_error("director(%s): Sending handshake (%u secs)", |
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167 conn->name, secs); |
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168 } else if (!conn->me_received) { |
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169 i_error("director(%s): Handshaking ME timed out (%u secs)", |
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170 conn->name, secs); |
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171 } else { |
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172 i_error("director(%s): Handshaking DONE timed out (%u secs)", |
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173 conn->name, secs); |
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174 } |
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175 director_connection_disconnected(&conn, "Handshake timeout"); |
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176 } |
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177 |
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178 static void |
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179 director_connection_set_ping_timeout(struct director_connection *conn) |
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180 { |
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181 unsigned int msecs; |
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182 |
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183 msecs = conn->synced || !conn->handshake_received ? |
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184 DIRECTOR_CONNECTION_PING_INTERVAL_MSECS : |
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185 DIRECTOR_CONNECTION_PING_SYNC_INTERVAL_MSECS; |
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186 |
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187 timeout_remove(&conn->to_ping); |
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188 conn->to_ping = timeout_add(msecs, director_connection_ping, conn); |
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189 } |
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190 |
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191 static void director_connection_wait_timeout(struct director_connection *conn) |
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192 { |
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193 director_connection_log_disconnect(conn, ETIMEDOUT, ""); |
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194 director_connection_deinit(&conn, |
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195 "Timeout waiting for disconnect after CONNECT"); |
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196 } |
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197 |
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198 static void director_connection_send_connect(struct director_connection *conn, |
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199 struct director_host *host) |
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200 { |
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201 const char *connect_str; |
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202 |
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203 if (conn->to_disconnect != NULL) |
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204 return; |
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205 |
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206 connect_str = t_strdup_printf("CONNECT\t%s\t%u\n", |
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207 net_ip2addr(&host->ip), host->port); |
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208 director_connection_send(conn, connect_str); |
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209 o_stream_uncork(conn->output); |
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210 |
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211 /* wait for a while for the remote to disconnect, so it will hopefully |
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212 see our CONNECT command. we'll also log the warning later to avoid |
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213 multiple log lines about it. */ |
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214 conn->connect_request_to = host; |
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215 director_host_ref(conn->connect_request_to); |
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216 |
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217 conn->to_disconnect = |
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218 timeout_add(DIRECTOR_WAIT_DISCONNECT_SECS*1000, |
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219 director_connection_wait_timeout, conn); |
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220 } |
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221 |
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222 static void director_connection_assigned(struct director_connection *conn) |
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223 { |
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224 struct director *dir = conn->dir; |
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225 |
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226 if (dir->left != NULL && dir->right != NULL) { |
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227 /* we're connected to both directors. see if the ring is |
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228 finished by sending a SYNC. if we get it back, it's done. */ |
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229 dir->sync_seq++; |
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230 director_set_ring_unsynced(dir); |
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231 director_sync_send(dir, dir->self_host, dir->sync_seq, |
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232 DIRECTOR_VERSION_MINOR, ioloop_time, |
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233 mail_hosts_hash(dir->mail_hosts)); |
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234 } |
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235 director_connection_set_ping_timeout(conn); |
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236 } |
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237 |
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238 static bool director_connection_assign_left(struct director_connection *conn) |
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239 { |
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240 struct director *dir = conn->dir; |
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241 |
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242 i_assert(conn->in); |
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243 i_assert(dir->left != conn); |
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244 |
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245 /* make sure this is the correct incoming connection */ |
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246 if (conn->host->self) { |
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247 i_error("Connection from self, dropping"); |
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248 return FALSE; |
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249 } else if (dir->left == NULL) { |
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250 /* no conflicts yet */ |
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251 } else if (dir->left->host == conn->host) { |
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252 i_warning("Replacing left director connection %s with %s", |
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253 dir->left->host->name, conn->host->name); |
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254 director_connection_deinit(&dir->left, t_strdup_printf( |
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255 "Replacing with %s", conn->host->name)); |
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256 } else if (dir->left->verifying_left) { |
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257 /* we're waiting to verify if our current left is still |
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258 working. if we don't receive a PONG, the current left |
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259 gets disconnected and a new left gets assigned. if we do |
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260 receive a PONG, we'll wait until the current left |
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261 disconnects us and then reassign the new left. */ |
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262 return TRUE; |
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263 } else if (director_host_cmp_to_self(dir->left->host, conn->host, |
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264 dir->self_host) < 0) { |
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265 /* the old connection is the correct one. |
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266 refer the client there (FIXME: do we ever get here?) */ |
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267 director_connection_send_connect(conn, dir->left->host); |
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268 return TRUE; |
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269 } else { |
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270 /* this new connection is the correct one, but wait until the |
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271 old connection gets disconnected before using this one. |
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272 that guarantees that the director inserting itself into |
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273 the ring has finished handshaking its left side, so the |
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274 switch will be fast. */ |
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275 return TRUE; |
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276 } |
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277 dir->left = conn; |
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278 i_free(conn->name); |
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279 conn->name = i_strdup_printf("%s/left", conn->host->name); |
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280 director_connection_assigned(conn); |
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281 return TRUE; |
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282 } |
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283 |
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284 static void director_assign_left(struct director *dir) |
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285 { |
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286 struct director_connection *conn, *const *connp; |
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287 |
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288 array_foreach(&dir->connections, connp) { |
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289 conn = *connp; |
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290 |
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291 if (conn->in && conn->handshake_received && |
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292 conn->to_disconnect == NULL && conn != dir->left) { |
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293 /* either use this or disconnect it */ |
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294 if (!director_connection_assign_left(conn)) { |
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295 /* we don't want this */ |
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296 director_connection_deinit(&conn, |
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297 "Unwanted incoming connection"); |
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298 director_assign_left(dir); |
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299 break; |
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300 } |
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301 } |
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302 } |
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303 } |
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304 |
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305 static bool director_has_outgoing_connections(struct director *dir) |
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306 { |
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307 struct director_connection *const *connp; |
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308 |
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309 array_foreach(&dir->connections, connp) { |
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310 if (!(*connp)->in && (*connp)->to_disconnect == NULL) |
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311 return TRUE; |
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312 } |
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313 return FALSE; |
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314 } |
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315 |
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316 static bool director_connection_assign_right(struct director_connection *conn) |
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317 { |
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318 struct director *dir = conn->dir; |
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319 |
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320 i_assert(!conn->in); |
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321 |
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322 if (dir->right != NULL) { |
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323 /* see if we should disconnect or keep the existing |
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324 connection. */ |
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325 if (director_host_cmp_to_self(conn->host, dir->right->host, |
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326 dir->self_host) <= 0) { |
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327 /* the old connection is the correct one */ |
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328 i_warning("Aborting incorrect outgoing connection to %s " |
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329 "(already connected to correct one: %s)", |
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330 conn->host->name, dir->right->host->name); |
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331 conn->wrong_host = TRUE; |
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332 return FALSE; |
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333 } |
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334 i_warning("Replacing right director connection %s with %s", |
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335 dir->right->host->name, conn->host->name); |
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336 director_connection_deinit(&dir->right, t_strdup_printf( |
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337 "Replacing with %s", conn->host->name)); |
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338 } |
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339 dir->right = conn; |
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340 i_free(conn->name); |
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341 conn->name = i_strdup_printf("%s/right", conn->host->name); |
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342 director_connection_assigned(conn); |
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343 return TRUE; |
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344 } |
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345 |
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346 static bool |
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347 director_args_parse_ip_port(struct director_connection *conn, |
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348 const char *const *args, |
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349 struct ip_addr *ip_r, in_port_t *port_r) |
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350 { |
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351 if (args[0] == NULL || args[1] == NULL) { |
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352 director_cmd_error(conn, "Missing IP+port parameters"); |
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353 return FALSE; |
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354 } |
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355 if (net_addr2ip(args[0], ip_r) < 0) { |
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356 director_cmd_error(conn, "Invalid IP address: %s", args[0]); |
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357 return FALSE; |
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358 } |
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Changed type of internet port values to in_port_t everywhere.
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|
359 if (net_str2port(args[1], port_r) < 0) { |
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360 director_cmd_error(conn, "Invalid port: %s", args[1]); |
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361 return FALSE; |
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|
362 } |
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Added initial implementation of a director process (for NFS users).
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363 return TRUE; |
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|
364 } |
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|
365 |
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|
366 static bool director_cmd_me(struct director_connection *conn, |
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367 const char *const *args) |
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368 { |
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369 struct director *dir = conn->dir; |
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370 const char *connect_str; |
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|
371 struct ip_addr ip; |
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Changed type of internet port values to in_port_t everywhere.
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|
372 in_port_t port; |
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373 time_t next_comm_attempt; |
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374 |
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375 if (!director_args_parse_ip_port(conn, args, &ip, &port)) |
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376 return FALSE; |
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director: Handle all commands during handshake.
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|
377 if (conn->me_received) { |
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378 director_cmd_error(conn, "Duplicate ME"); |
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379 return FALSE; |
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380 } |
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|
381 |
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382 if (!conn->in && (!net_ip_compare(&conn->host->ip, &ip) || |
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|
383 conn->host->port != port)) { |
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parents:
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|
384 i_error("Remote director thinks it's someone else " |
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385 "(connected to %s:%u, remote says it's %s:%u)", |
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|
386 net_ip2addr(&conn->host->ip), conn->host->port, |
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387 net_ip2addr(&ip), port); |
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388 return FALSE; |
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|
389 } |
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|
390 conn->me_received = TRUE; |
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391 |
19294
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director: Log a warning if directors' clocks are too much out of sync.
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|
392 if (args[2] != NULL) { |
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director: Log a warning if directors' clocks are too much out of sync.
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|
393 time_t remote_time; |
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394 int diff; |
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|
395 |
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|
396 if (str_to_time(args[2], &remote_time) < 0) { |
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director: Log a warning if directors' clocks are too much out of sync.
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|
397 director_cmd_error(conn, "Invalid ME timestamp"); |
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398 return FALSE; |
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|
399 } |
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diff
changeset
|
400 diff = ioloop_time - remote_time; |
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diff
changeset
|
401 if (diff > DIRECTOR_MAX_CLOCK_DIFF_WARN_SECS || |
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director: Log a warning if directors' clocks are too much out of sync.
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changeset
|
402 (diff < 0 && -diff > DIRECTOR_MAX_CLOCK_DIFF_WARN_SECS)) { |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
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19293
diff
changeset
|
403 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.
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diff
changeset
|
404 conn->name, diff); |
d96595e2363b
director: Log a warning if directors' clocks are too much out of sync.
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|
405 } |
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|
406 } |
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director: Log a warning if directors' clocks are too much out of sync.
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diff
changeset
|
407 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
14408
diff
changeset
|
408 timeout_remove(&conn->to_ping); |
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director: Redesigned connection handling and error handling.
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diff
changeset
|
409 conn->to_ping = timeout_add(DIRECTOR_CONNECTION_DONE_TIMEOUT_MSECS, |
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director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
410 director_connection_init_timeout, conn); |
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director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
411 |
11321
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changeset
|
412 if (!conn->in) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
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parents:
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changeset
|
413 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
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parents:
diff
changeset
|
414 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
14408
diff
changeset
|
415 /* Incoming connection: |
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director: Redesigned connection handling and error handling.
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parents:
14408
diff
changeset
|
416 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
14408
diff
changeset
|
417 a) we don't have an established ring yet. make sure we're connecting |
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diff
changeset
|
418 to our right side (which might become our left side). |
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director: Redesigned connection handling and error handling.
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diff
changeset
|
419 |
b43ae3805f5f
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parents:
14408
diff
changeset
|
420 b) it's our current "left" connection. the previous connection |
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director: Redesigned connection handling and error handling.
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diff
changeset
|
421 is most likely dead. |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
14408
diff
changeset
|
422 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
14408
diff
changeset
|
423 c) we have an existing ring. tell our current "left" to connect to |
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director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
424 it with CONNECT command. |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
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parents:
11598
diff
changeset
|
425 |
14409
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parents:
14408
diff
changeset
|
426 d) the incoming connection doesn't belong to us at all, refer it |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
427 elsewhere with CONNECT. however, before disconnecting it verify |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
428 first that our left side is actually still functional. |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
14408
diff
changeset
|
429 */ |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
430 i_assert(conn->host == NULL); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
431 conn->host = director_host_get(dir, &ip, port); |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
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parents:
14570
diff
changeset
|
432 /* the host shouldn't be removed at this point, but if for some |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
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parents:
14570
diff
changeset
|
433 reason it is we don't want to crash */ |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
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parents:
14570
diff
changeset
|
434 conn->host->removed = FALSE; |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
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parents:
14570
diff
changeset
|
435 director_host_ref(conn->host); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
436 /* 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
|
437 director_host_restarted(conn->host); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
14408
diff
changeset
|
438 |
14432
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
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parents:
14431
diff
changeset
|
439 next_comm_attempt = conn->host->last_protocol_failure + |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
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parents:
14431
diff
changeset
|
440 DIRECTOR_PROTOCOL_FAILURE_RETRY_SECS; |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
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parents:
14431
diff
changeset
|
441 if (next_comm_attempt > ioloop_time) { |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
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parents:
14431
diff
changeset
|
442 /* the director recently sent invalid protocol data, |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
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parents:
14431
diff
changeset
|
443 don't try retrying yet */ |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
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parents:
14431
diff
changeset
|
444 i_error("director(%s): Remote sent invalid protocol data recently, " |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
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parents:
14431
diff
changeset
|
445 "waiting %u secs before allowing further communication", |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
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parents:
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diff
changeset
|
446 conn->name, (unsigned int)(next_comm_attempt-ioloop_time)); |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
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parents:
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diff
changeset
|
447 return FALSE; |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
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parents:
14431
diff
changeset
|
448 } else if (dir->left == NULL) { |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
449 /* 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:
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diff
changeset
|
450 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
|
451 conn->host->last_network_failure = 0; |
14409
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director: Redesigned connection handling and error handling.
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parents:
14408
diff
changeset
|
452 if (!director_has_outgoing_connections(dir)) |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
14408
diff
changeset
|
453 director_connect(dir); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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diff
changeset
|
454 } else if (dir->left->host == conn->host) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
455 /* b) */ |
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director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
456 i_assert(dir->left != conn); |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
457 director_connection_deinit(&dir->left, |
27d3289e1f5c
director: Improved logging related to disconnections.
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parents:
15131
diff
changeset
|
458 "Replacing with new incoming connection"); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
459 } else if (director_host_cmp_to_self(conn->host, dir->left->host, |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
460 dir->self_host) < 0) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
14408
diff
changeset
|
461 /* c) */ |
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parents:
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diff
changeset
|
462 connect_str = t_strdup_printf("CONNECT\t%s\t%u\n", |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
463 net_ip2addr(&conn->host->ip), |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
464 conn->host->port); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
465 director_connection_send(dir->left, connect_str); |
11321
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Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
466 } else { |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
467 /* d) */ |
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parents:
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diff
changeset
|
468 dir->left->verifying_left = TRUE; |
b43ae3805f5f
director: Redesigned connection handling and error handling.
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parents:
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diff
changeset
|
469 director_connection_ping(dir->left); |
11321
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Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
470 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
471 return TRUE; |
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472 } |
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473 |
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474 static bool |
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475 director_user_refresh(struct director_connection *conn, |
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476 unsigned int username_hash, struct mail_host *host, |
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477 time_t timestamp, bool weak, struct user **user_r) |
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478 { |
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479 struct director *dir = conn->dir; |
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480 struct user *user; |
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481 bool ret = FALSE, unset_weak_user = FALSE; |
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482 |
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483 user = user_directory_lookup(dir->users, username_hash); |
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484 if (user == NULL) { |
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485 *user_r = user_directory_add(dir->users, username_hash, |
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486 host, timestamp); |
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487 (*user_r)->weak = weak; |
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488 dir_debug("user refresh: %u added", username_hash); |
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489 return TRUE; |
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490 } |
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491 |
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492 if (user->weak) { |
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493 if (!weak) { |
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494 /* removing user's weakness */ |
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495 dir_debug("user refresh: %u weakness removed", |
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496 username_hash); |
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497 unset_weak_user = TRUE; |
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498 user->weak = FALSE; |
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499 ret = TRUE; |
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500 } else { |
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501 /* weak user marked again as weak */ |
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502 } |
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503 } else if (weak && |
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504 !user_directory_user_is_recently_updated(dir->users, user)) { |
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505 /* mark the user as weak */ |
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506 dir_debug("user refresh: %u set weak", username_hash); |
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507 user->weak = TRUE; |
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508 ret = TRUE; |
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509 } else if (weak) { |
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510 dir_debug("user refresh: %u weak update to %s ignored, " |
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511 "we recently changed it to %s", |
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512 username_hash, net_ip2addr(&host->ip), |
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513 net_ip2addr(&user->host->ip)); |
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514 host = user->host; |
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515 ret = TRUE; |
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516 } else if (user->host == host) { |
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517 /* update to the same host */ |
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518 } else if (user_directory_user_is_near_expiring(dir->users, user)) { |
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519 /* host conflict for a user that is already near expiring. we can |
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520 assume that the other director had already dropped this user |
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521 and we should have as well. use the new host. */ |
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522 dir_debug("user refresh: %u is nearly expired, " |
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523 "replacing host %s with %s", username_hash, |
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524 net_ip2addr(&user->host->ip), net_ip2addr(&host->ip)); |
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525 ret = TRUE; |
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526 } else if (user->kill_state != USER_KILL_STATE_NONE && |
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527 user->kill_state < USER_KILL_STATE_DELAY) { |
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528 /* user is still being moved - ignore conflicting host updates |
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529 from other directors who don't yet know about the move. */ |
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530 dir_debug("user refresh: %u is being moved, " |
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531 "preserve its host %s instead of replacing with %s", |
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532 username_hash, net_ip2addr(&user->host->ip), |
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533 net_ip2addr(&host->ip)); |
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534 host = user->host; |
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535 } else { |
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536 /* non-weak user received a non-weak update with |
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537 conflicting host. this shouldn't happen. */ |
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538 string_t *str = t_str_new(128); |
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539 |
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540 str_printfa(str, "User hash %u " |
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541 "is being redirected to two hosts: %s and %s", |
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542 username_hash, net_ip2addr(&user->host->ip), |
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543 net_ip2addr(&host->ip)); |
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544 str_printfa(str, " (old_ts=%ld", (long)user->timestamp); |
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545 |
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546 if (!conn->handshake_received) { |
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547 str_printfa(str, ",handshaking,recv_ts=%ld", |
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548 (long)timestamp); |
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549 } |
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550 if (user->to_move != NULL) |
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|
551 str_append(str, ",moving"); |
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58286c1e272d
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14485
diff
changeset
|
552 if (user->kill_state != USER_KILL_STATE_NONE) |
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553 str_printfa(str, ",kill_state=%d", user->kill_state); |
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554 str_append_c(str, ')'); |
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555 i_error("%s", str_c(str)); |
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director: If same user gets redirected to two hosts, don't crash later.
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diff
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|
556 |
11585 | 557 /* we want all the directors to redirect the user to same |
558 server, but we don't want two directors fighting over which | |
559 server it belongs to, so always use the lower IP address */ | |
560 if (net_ip_cmp(&user->host->ip, &host->ip) > 0) { | |
561 /* change the host. we'll also need to remove the user | |
562 from the old host's user_count, because we can't | |
563 keep track of the user for more than one host */ | |
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564 } else { |
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565 /* keep the host */ |
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566 host = user->host; |
11585 | 567 } |
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8aa0cd95d6a8
director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
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568 /* especially IMAP connections can take a long time to die. |
8aa0cd95d6a8
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|
569 make sure we kill off the connections in the wrong |
8aa0cd95d6a8
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570 backends. */ |
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director: If we detect that a user is being proxied to multiple backends, disconnect wrong connections.
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571 director_kick_user_hash(dir, dir->self_host, NULL, |
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572 username_hash, &host->ip); |
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573 ret = TRUE; |
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574 } |
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575 if (user->host != host) { |
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576 user->host->user_count--; |
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577 user->host = host; |
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|
578 user->host->user_count++; |
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|
579 ret = TRUE; |
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580 } |
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581 if (timestamp == ioloop_time && (time_t)user->timestamp != timestamp) { |
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582 user_directory_refresh(dir->users, user); |
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583 ret = TRUE; |
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584 } |
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|
585 dir_debug("user refresh: %u refreshed timeout to %ld", |
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|
586 username_hash, (long)user->timestamp); |
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|
587 |
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588 if (unset_weak_user) { |
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589 /* user is no longer weak. handle pending requests for |
7a26c427fc78
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|
590 this user if there are any */ |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
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parents:
14306
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changeset
|
591 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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|
592 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
593 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
594 *user_r = user; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
595 return ret; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
596 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
597 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
598 static bool |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
599 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
|
600 const char *const *args) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
601 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
602 unsigned int username_hash, timestamp; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
603 struct ip_addr ip; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
604 struct mail_host *host; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
605 struct user *user; |
14310
7a26c427fc78
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parents:
14306
diff
changeset
|
606 bool weak; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
607 |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
608 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
|
609 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
|
610 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
|
611 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
|
612 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
|
613 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
614 } |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
615 weak = args[3] != NULL && args[3][0] == 'w'; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
616 |
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
|
617 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
|
618 if (host == NULL) { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
619 i_error("director(%s): USER used unknown host %s in handshake", |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
620 conn->name, args[1]); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
621 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
622 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
623 |
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
|
624 (void)director_user_refresh(conn, username_hash, host, |
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
|
625 timestamp, weak, &user); |
16621
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
626 if (user->timestamp < timestamp) { |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
627 conn->users_unsorted = TRUE; |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
628 user->timestamp = timestamp; |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
629 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
630 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
631 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
632 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
633 static bool |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
634 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
|
635 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
|
636 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
637 unsigned int username_hash; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
638 struct ip_addr ip; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
639 struct mail_host *host; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
640 struct user *user; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
641 |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
642 /* NOTE: if more parameters are added, update also |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
643 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
|
644 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
|
645 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
|
646 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
|
647 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
|
648 return FALSE; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
649 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
650 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
651 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
|
652 if (host == NULL) { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
653 /* 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
|
654 return TRUE; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
655 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
656 |
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
|
657 if (director_user_refresh(conn, username_hash, |
14487
45be27ff3414
director: Removed special (time_t)-1 code, it's not actually needed.
Timo Sirainen <tss@iki.fi>
parents:
14486
diff
changeset
|
658 host, ioloop_time, FALSE, &user)) { |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
659 i_assert(!user->weak); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
660 director_update_user(conn->dir, conn->host, user); |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
661 } |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
662 return TRUE; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
663 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
664 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
665 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
|
666 const char *const *args) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
667 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
668 struct director_host *host; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
669 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
|
670 in_port_t port; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
671 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
672 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
|
673 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
674 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
675 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
|
676 if (host != NULL) { |
14493
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
677 if (host == conn->dir->self_host) { |
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
678 /* ignore updates to ourself */ |
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
679 return TRUE; |
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
680 } |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
681 if (host->removed) { |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
682 /* 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
|
683 return TRUE; |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
684 } |
14493
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
685 |
14432
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
686 /* 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
|
687 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
|
688 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
|
689 /* 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
|
690 director_host_restarted(host); |
14493
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
691 } else { |
1856e9085f94
director: Forward DIRECTOR commands to other connected directors.
Timo Sirainen <tss@iki.fi>
parents:
14488
diff
changeset
|
692 /* 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
|
693 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
|
694 } |
16789
5d43c926eb97
director: Make sure director restart notifications go to everyone in the ring.
Timo Sirainen <tss@iki.fi>
parents:
16788
diff
changeset
|
695 /* 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
|
696 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
|
697 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
|
698 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
|
699 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
|
700 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
|
701 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
|
702 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
|
703 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
|
704 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
|
705 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
|
706 "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
|
707 } 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
|
708 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
|
709 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
|
710 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
711 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
712 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
713 |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
714 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
|
715 const char *const *args) |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
716 { |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
717 struct director_host *host; |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
718 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
|
719 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
|
720 |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
721 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
|
722 return FALSE; |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
723 |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
724 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
|
725 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
|
726 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
|
727 return TRUE; |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
728 } |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
729 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
730 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
|
731 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
|
732 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
|
733 { |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
734 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
|
735 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
|
736 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
|
737 |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
738 if (args[0] == NULL || |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
739 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
|
740 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
|
741 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
|
742 } |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
743 |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
744 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
|
745 /* clear everything we have and use only what remote sends us */ |
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
|
746 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
|
747 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
|
748 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
|
749 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
|
750 } |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
751 } 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
|
752 /* ignore whatever remote sends */ |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
753 conn->ignore_host_events = TRUE; |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
754 } |
11585 | 755 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
|
756 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
|
757 } |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
758 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
759 static int |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
760 director_cmd_is_seen(struct director_connection *conn, |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
761 const char *const **_args, |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
762 struct director_host **host_r) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
763 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
764 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
|
765 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
|
766 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
|
767 unsigned int seq; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
768 struct director_host *host; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
769 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
770 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
|
771 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
|
772 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
|
773 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
|
774 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
|
775 return -1; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
776 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
777 *_args = args + 3; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
778 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
779 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
|
780 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
|
781 /* 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
|
782 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
|
783 ourself. */ |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
784 *host_r = NULL; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
785 } else { |
15350 | 786 *host_r = host; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
787 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
|
788 /* already seen this */ |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
789 return 1; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
790 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
791 host->last_seq = seq; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
792 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
793 return 0; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
794 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
795 |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
796 static bool |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
797 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
|
798 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
|
799 { |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
800 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
|
801 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
|
802 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
|
803 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
|
804 struct user *user; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
805 struct director_host *src_host = conn->host; |
16619
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
806 bool weak = TRUE, weak_forward = FALSE; |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
807 int ret; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
808 |
15320
e4c337f38ed6
director: Fixed previous broken change for handling USER-WEAK commands.
Timo Sirainen <tss@iki.fi>
parents:
15132
diff
changeset
|
809 /* 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
|
810 duplicate commands */ |
e4c337f38ed6
director: Fixed previous broken change for handling USER-WEAK commands.
Timo Sirainen <tss@iki.fi>
parents:
15132
diff
changeset
|
811 if ((ret = director_cmd_is_seen(conn, &args, &dir_host)) < 0) |
15324 | 812 return FALSE; |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
813 |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
814 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
|
815 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
|
816 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
|
817 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
|
818 return FALSE; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
819 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
820 |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
821 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
|
822 if (host == NULL) { |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
823 /* 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
|
824 return TRUE; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
825 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
826 |
16619
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
827 if (ret == 0) |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
828 ; |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
829 else if (dir_host == conn->dir->self_host) { |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
830 /* 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
|
831 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
|
832 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
|
833 username_hash); |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
834 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
|
835 weak = FALSE; |
16619
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
836 } else { |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
837 /* 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
|
838 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
|
839 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
|
840 travelled through the ring. */ |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
841 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
|
842 username_hash, net_ip2addr(&dir_host->ip)); |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
843 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
|
844 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
845 |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
846 if (director_user_refresh(conn, username_hash, |
16619
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
847 host, ioloop_time, weak, &user) || |
9b8b5ce6ecb0
director: Fixes to handling users near expiration.
Timo Sirainen <tss@iki.fi>
parents:
16618
diff
changeset
|
848 weak_forward) { |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
849 if (!user->weak) |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
850 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
|
851 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
|
852 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
|
853 dir_host, user); |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
854 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
855 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
856 return TRUE; |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
857 } |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
858 |
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
|
859 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
|
860 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
|
861 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
|
862 { |
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
|
863 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
|
864 struct mail_host *host; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
865 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
|
866 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
|
867 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
|
868 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
|
869 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
|
870 |
19309
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
871 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
|
872 if (arg_count < 2 || |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
873 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
|
874 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
|
875 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
|
876 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
877 } |
19309
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
878 if (arg_count >= 3) |
18067
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
879 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
|
880 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
|
881 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
|
882 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
|
883 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
|
884 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
|
885 } |
19309
8e9cada0c8fc
director: Small code cleanup - make it easier to add parameters to HOST
Timo Sirainen <tss@iki.fi>
parents:
19294
diff
changeset
|
886 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
|
887 } |
19310
7f718c840aff
director: Remember backends' hostnames and send them in login reply.
Timo Sirainen <tss@iki.fi>
parents:
19309
diff
changeset
|
888 if (arg_count >= 5) |
7f718c840aff
director: Remember backends' hostnames and send them in login reply.
Timo Sirainen <tss@iki.fi>
parents:
19309
diff
changeset
|
889 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
|
890 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
|
891 /* 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
|
892 a completed ring and we do. */ |
11585 | 893 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
|
894 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
|
895 } |
19411
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
896 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
|
897 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
|
898 return FALSE; |
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
899 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
900 |
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
|
901 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
|
902 if (host == NULL) { |
19310
7f718c840aff
director: Remember backends' hostnames and send them in login reply.
Timo Sirainen <tss@iki.fi>
parents:
19309
diff
changeset
|
903 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
|
904 hostname, &ip, tag); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
905 update = TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
906 } else { |
18729
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
907 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
|
908 host->down != down; |
19292
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
909 |
19408
7e47f561ad49
director: Code cleanup - access host->tag via mail_host_get_tag()
Timo Sirainen <tss@iki.fi>
parents:
19407
diff
changeset
|
910 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
|
911 if (strcmp(tag, host_tag) != 0) { |
18067
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
912 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
|
913 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
|
914 host_tag, tag); |
18067
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
915 mail_host_set_tag(host, tag); |
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
916 update = TRUE; |
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
917 } |
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
|
918 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
|
919 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
|
920 |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
921 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
|
922 conn->name, net_ip2addr(&host->ip)); |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
923 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
|
924 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
|
925 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
|
926 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
|
927 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
|
928 } |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
929 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
|
930 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
|
931 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
|
932 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
|
933 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
|
934 } |
01e33753b08e
director: "Host is being updated before previous update had finished" logs now details.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents:
19552
diff
changeset
|
935 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
|
936 |
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
|
937 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
|
938 if (host->down != down) { |
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
|
939 if (host->last_updown_change <= 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
|
940 down = host->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
|
941 } |
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
|
942 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
|
943 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
|
944 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
|
945 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
|
946 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
|
947 /* 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
|
948 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
|
949 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
|
950 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
|
951 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
952 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
953 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
954 if (update) { |
19407
39cfca637d60
director: Code cleanup - make most mail_host_*() list parameters unnecessary.
Timo Sirainen <tss@iki.fi>
parents:
19310
diff
changeset
|
955 mail_host_set_down(host, down, last_updown_change); |
39cfca637d60
director: Code cleanup - make most mail_host_*() list parameters unnecessary.
Timo Sirainen <tss@iki.fi>
parents:
19310
diff
changeset
|
956 mail_host_set_vhost_count(host, vhost_count); |
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
|
957 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
|
958 } else { |
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
959 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
|
960 "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
|
961 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
|
962 (long)last_updown_change, |
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
963 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
|
964 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
965 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
966 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
967 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
968 static bool |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
969 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
|
970 const char *const *args) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
971 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
972 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
|
973 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
974 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
975 static bool |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
976 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
|
977 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
978 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
|
979 int ret; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
980 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
981 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
|
982 return ret > 0; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
983 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
|
984 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
985 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
986 static bool |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
987 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
|
988 const char *const *args) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
989 { |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
990 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
|
991 struct mail_host *host; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
992 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
|
993 int ret; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
994 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
995 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
|
996 return ret > 0; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
997 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
998 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
|
999 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
|
1000 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
|
1001 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1002 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1003 |
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
|
1004 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
|
1005 if (host != NULL) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1006 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
|
1007 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1008 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1009 |
11355
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1010 static bool |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1011 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
|
1012 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
|
1013 { |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1014 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
|
1015 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
|
1016 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
|
1017 int ret; |
11355
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1018 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1019 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
|
1020 return ret > 0; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1021 |
11816
9e41df232dd6
director: Fixed handling HOST-FLUSH commands.
Timo Sirainen <tss@iki.fi>
parents:
11758
diff
changeset
|
1022 if (str_array_length(args) != 1 || |
9e41df232dd6
director: Fixed handling HOST-FLUSH commands.
Timo Sirainen <tss@iki.fi>
parents:
11758
diff
changeset
|
1023 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
|
1024 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
|
1025 return FALSE; |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1026 } |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1027 |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1028 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
|
1029 if (host != NULL) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1030 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
|
1031 return TRUE; |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1032 } |
ef1de95396d4
Added doveadm director flush command for dropping user associations from memory.
Timo Sirainen <tss@iki.fi>
parents:
11352
diff
changeset
|
1033 |
13045
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1034 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
|
1035 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
|
1036 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
|
1037 { |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1038 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
|
1039 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
|
1040 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
|
1041 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
|
1042 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
|
1043 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1044 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
|
1045 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
|
1046 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1047 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
|
1048 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
|
1049 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
|
1050 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
|
1051 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
|
1052 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1053 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1054 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
|
1055 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
|
1056 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
|
1057 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
|
1058 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1059 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
|
1060 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1061 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1062 static bool |
17418
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1063 director_cmd_user_kick(struct director_connection *conn, |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1064 const char *const *args) |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1065 { |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1066 struct director_host *dir_host; |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1067 int ret; |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1068 |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1069 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
|
1070 return ret > 0; |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1071 |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1072 if (str_array_length(args) != 1) { |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1073 director_cmd_error(conn, "Invalid parameters"); |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1074 return FALSE; |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1075 } |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1076 |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1077 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
|
1078 return TRUE; |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1079 } |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1080 |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1081 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
|
1082 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
|
1083 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
|
1084 { |
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
|
1085 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
|
1086 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
|
1087 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
|
1088 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
|
1089 |
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
|
1090 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
|
1091 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
|
1092 |
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
|
1093 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
|
1094 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
|
1095 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
|
1096 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
|
1097 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
|
1098 } |
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
|
1099 |
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
|
1100 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
|
1101 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
|
1102 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
|
1103 } |
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
|
1104 |
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
|
1105 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
|
1106 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
|
1107 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
|
1108 { |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1109 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
|
1110 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1111 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
|
1112 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
|
1113 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
|
1114 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
|
1115 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1116 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1117 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
|
1118 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
|
1119 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1120 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1121 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
|
1122 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
|
1123 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
|
1124 { |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1125 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
|
1126 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
|
1127 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
|
1128 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1129 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
|
1130 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
|
1131 |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1132 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
|
1133 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
|
1134 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
|
1135 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
|
1136 } |
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 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
|
1139 dir_host, username_hash); |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1140 return TRUE; |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1141 } |
79f9dce5d5fd
director: Added support for moving user to another server with "doveadm director move".
Timo Sirainen <tss@iki.fi>
parents:
12935
diff
changeset
|
1142 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1143 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
|
1144 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1145 struct director *dir = conn->dir; |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1146 unsigned int handshake_secs = time(NULL) - conn->created; |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1147 string_t *str; |
14478
ee169584bc44
director: Improved debug handshake message.
Timo Sirainen <tss@iki.fi>
parents:
14477
diff
changeset
|
1148 |
16621
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1149 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
|
1150 /* 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
|
1151 conn->users_unsorted = FALSE; |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1152 user_directory_sort(conn->dir->users); |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1153 } |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1154 |
18063
91c525000811
director: Always log a message when director handshake finishes.
Timo Sirainen <tss@iki.fi>
parents:
18062
diff
changeset
|
1155 str = t_str_new(128); |
91c525000811
director: Always log a message when director handshake finishes.
Timo Sirainen <tss@iki.fi>
parents:
18062
diff
changeset
|
1156 str_printfa(str, "director(%s): Handshake finished in %u secs " |
91c525000811
director: Always log a message when director handshake finishes.
Timo Sirainen <tss@iki.fi>
parents:
18062
diff
changeset
|
1157 "(bytes in=%"PRIuUOFF_T" out=%"PRIuUOFF_T")", |
91c525000811
director: Always log a message when director handshake finishes.
Timo Sirainen <tss@iki.fi>
parents:
18062
diff
changeset
|
1158 conn->name, handshake_secs, conn->input->v_offset, |
91c525000811
director: Always log a message when director handshake finishes.
Timo Sirainen <tss@iki.fi>
parents:
18062
diff
changeset
|
1159 conn->output->offset); |
91c525000811
director: Always log a message when director handshake finishes.
Timo Sirainen <tss@iki.fi>
parents:
18062
diff
changeset
|
1160 if (handshake_secs >= DIRECTOR_HANDSHAKE_WARN_SECS) |
91c525000811
director: Always log a message when director handshake finishes.
Timo Sirainen <tss@iki.fi>
parents:
18062
diff
changeset
|
1161 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
|
1162 else |
91c525000811
director: Always log a message when director handshake finishes.
Timo Sirainen <tss@iki.fi>
parents:
18062
diff
changeset
|
1163 i_info("%s", str_c(str)); |
11579
61708c33154d
director: Debug message improvements.
Timo Sirainen <tss@iki.fi>
parents:
11572
diff
changeset
|
1164 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1165 /* 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
|
1166 if needed */ |
14432
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
1167 conn->host->last_network_failure = 0; |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1168 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1169 conn->handshake_received = TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1170 if (conn->in) { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1171 /* 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
|
1172 whole handshake. */ |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1173 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
|
1174 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1175 /* 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
|
1176 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
|
1177 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
|
1178 net_ip2addr(&conn->host->ip), |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1179 conn->host->port)); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1180 /* this is our "left" side. */ |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1181 return director_connection_assign_left(conn); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1182 } else { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1183 /* handshaked to "right" side. */ |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1184 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
|
1185 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1186 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1187 |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1188 static int |
18065
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1189 director_handshake_cmd_options(struct director_connection *conn, |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1190 const char *const *args) |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1191 { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1192 bool consistent_hashing = FALSE; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1193 unsigned int i; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1194 |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1195 for (i = 0; args[i] != NULL; i++) { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1196 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
|
1197 consistent_hashing = TRUE; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1198 } |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1199 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
|
1200 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
|
1201 conn->name); |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1202 return -1; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1203 } |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1204 return 1; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1205 } |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1206 |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1207 static int |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1208 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
|
1209 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
|
1210 { |
19036
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1211 unsigned int major_version; |
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1212 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1213 /* 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
|
1214 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
|
1215 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
|
1216 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
|
1217 "(%s vs %s)", |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1218 conn->name, args[0], DIRECTOR_VERSION_NAME); |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1219 return -1; |
19036
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1220 } 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
|
1221 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
|
1222 i_error("director(%s): Invalid protocol version: " |
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1223 "%s.%s", conn->name, args[1], args[2]); |
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1224 return -1; |
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1225 } 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
|
1226 i_error("director(%s): Incompatible protocol version: " |
19036
f78e38c7cba2
Removed all invocations of atoi().
Stephan Bosch <stephan@rename-it.nl>
parents:
19035
diff
changeset
|
1227 "%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
|
1228 DIRECTOR_VERSION_MAJOR); |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1229 return -1; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1230 } |
19411
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
1231 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
|
1232 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
|
1233 i_error("director(%s): Director version supports incompatible tags", conn->name); |
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
1234 return FALSE; |
0e05efd14b39
director: Fixed backend selection when multiple tags were used.
Timo Sirainen <tss@iki.fi>
parents:
19408
diff
changeset
|
1235 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1236 conn->version_received = TRUE; |
18065
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1237 if (conn->done_pending) { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1238 if (director_connection_send_done(conn) < 0) |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1239 return -1; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1240 } |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1241 return 1; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1242 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1243 if (!conn->version_received) { |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1244 director_cmd_error(conn, "Incompatible protocol"); |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1245 return -1; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1246 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1247 |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1248 if (strcmp(cmd, "ME") == 0) |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1249 return director_cmd_me(conn, args) ? 1 : -1; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1250 if (!conn->me_received) { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1251 director_cmd_error(conn, "Expecting ME command first"); |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1252 return -1; |
11585 | 1253 } |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
1254 |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1255 /* incoming connections get a HOST list */ |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1256 if (conn->handshake_sending_hosts) { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1257 if (strcmp(cmd, "HOST") == 0) |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1258 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
|
1259 if (strcmp(cmd, "HOST-HAND-END") == 0) { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1260 conn->ignore_host_events = FALSE; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1261 conn->handshake_sending_hosts = FALSE; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1262 return 1; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1263 } |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1264 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
|
1265 return -1; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1266 } |
18065
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1267 if (strcmp(cmd, "OPTIONS") == 0) |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1268 return director_handshake_cmd_options(conn, args); |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1269 if (strcmp(cmd, "HOST-HAND-START") == 0) { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1270 if (!conn->in) { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1271 director_cmd_error(conn, |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1272 "Host list is only for incoming connections"); |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1273 return -1; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1274 } |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1275 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
|
1276 } |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1277 |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1278 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
|
1279 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
|
1280 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1281 /* both get DONE */ |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1282 if (strcmp(cmd, "DONE") == 0) |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1283 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
|
1284 return 0; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1285 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1286 |
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
|
1287 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
|
1288 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
|
1289 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
|
1290 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
|
1291 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
|
1292 { |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1293 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
|
1294 |
14306
334424e7465e
director: Keep track of the highest supported protocol version in the ring.
Timo Sirainen <tss@iki.fi>
parents:
14303
diff
changeset
|
1295 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
|
1296 /* 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
|
1297 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
|
1298 } |
334424e7465e
director: Keep track of the highest supported protocol version in the ring.
Timo Sirainen <tss@iki.fi>
parents:
14303
diff
changeset
|
1299 |
13940
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1300 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
|
1301 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
|
1302 /* 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
|
1303 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
|
1304 } |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1305 /* 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
|
1306 successfully connected to both directions */ |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1307 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
|
1308 |
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
|
1309 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
|
1310 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
|
1311 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
|
1312 "(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
|
1313 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
|
1314 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
|
1315 (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
|
1316 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
|
1317 } |
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
|
1318 |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1319 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
|
1320 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
|
1321 /* 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
|
1322 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
|
1323 } 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
|
1324 /* 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
|
1325 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
|
1326 } else { |
19292
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
1327 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
|
1328 conn->name, seq, |
bae8efd8b5b3
director: Use mail_hosts_hash() to improve debug log messages.
Timo Sirainen <tss@iki.fi>
parents:
19289
diff
changeset
|
1329 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
|
1330 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
|
1331 } |
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
|
1332 } else { |
16790
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1333 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
|
1334 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
|
1335 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
|
1336 /* stale SYNC event */ |
16787
22a3ef9a006d
director: Fix & improvement to debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16786
diff
changeset
|
1337 dir_debug("Ignore stale SYNC event for %s " |
22a3ef9a006d
director: Fix & improvement to debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16786
diff
changeset
|
1338 "(seq %u < %u, timestamp=%u)", |
22a3ef9a006d
director: Fix & improvement to debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16786
diff
changeset
|
1339 host->name, seq, host->last_sync_seq, |
22a3ef9a006d
director: Fix & improvement to debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16786
diff
changeset
|
1340 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
|
1341 return FALSE; |
16790
c30453a58b4c
director: Detect lost director restarts and reset last_sync_seq.
Timo Sirainen <tss@iki.fi>
parents:
16789
diff
changeset
|
1342 } 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
|
1343 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
|
1344 "(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
|
1345 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
|
1346 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
|
1347 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
|
1348 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
|
1349 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
|
1350 } 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
|
1351 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
|
1352 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
|
1353 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
|
1354 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
|
1355 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
|
1356 "(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
|
1357 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
|
1358 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
|
1359 } 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
|
1360 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
|
1361 /* we've received this too many times already */ |
16786
17389ac3cb66
director: Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16699
diff
changeset
|
1362 dir_debug("Ignore duplicate #%u SYNC event for %s " |
17389ac3cb66
director: Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16699
diff
changeset
|
1363 "(seq=%u, timestamp %u <= %u)", |
16787
22a3ef9a006d
director: Fix & improvement to debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16786
diff
changeset
|
1364 host->last_sync_seq_counter, host->name, seq, |
16786
17389ac3cb66
director: Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents:
16699
diff
changeset
|
1365 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
|
1366 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
|
1367 } |
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
|
1368 |
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
|
1369 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
|
1370 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
|
1371 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
|
1372 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
|
1373 "(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
|
1374 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
|
1375 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
|
1376 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
|
1377 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
|
1378 } |
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
|
1379 /* 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
|
1380 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
|
1381 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
|
1382 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
|
1383 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
|
1384 "(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
|
1385 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
|
1386 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
|
1387 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
|
1388 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
|
1389 } |
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
|
1390 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
|
1391 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
|
1392 /* 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
|
1393 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
|
1394 timestamp, 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
|
1395 } |
13940
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1396 } |
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
|
1397 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
|
1398 } |
9e43af01f147
director: Make sure ring syncing doesn't get lost when directors get disconnected.
Timo Sirainen <tss@iki.fi>
parents:
13921
diff
changeset
|
1399 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1400 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
|
1401 const char *const *args) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1402 { |
11585 | 1403 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
|
1404 struct director_host *host; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1405 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
|
1406 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
|
1407 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
|
1408 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
|
1409 |
19289
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1410 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
|
1411 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
|
1412 !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
|
1413 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
|
1414 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
|
1415 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1416 } |
19289
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1417 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
|
1418 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
|
1419 return FALSE; |
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1420 } |
4e0c9df36a78
director: Small code cleanup - make it easier to add parameters to SYNC
Timo Sirainen <tss@iki.fi>
parents:
19287
diff
changeset
|
1421 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
|
1422 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
|
1423 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
|
1424 } |
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
|
1425 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
|
1426 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
|
1427 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
|
1428 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1429 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1430 /* 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
|
1431 removed and we can ignore this sync. */ |
11585 | 1432 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
|
1433 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
|
1434 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
|
1435 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
|
1436 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
|
1437 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
|
1438 } |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1439 |
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
|
1440 if ((host == NULL || !host->self) && |
16678 | 1441 (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
|
1442 (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
|
1443 return TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1444 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1445 |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1446 static bool director_cmd_connect(struct director_connection *conn, |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1447 const char *const *args) |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1448 { |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1449 struct director *dir = conn->dir; |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1450 struct director_host *host; |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1451 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
|
1452 in_port_t port; |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1453 |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1454 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
|
1455 !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
|
1456 director_cmd_error(conn, "Invalid parameters"); |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1457 return FALSE; |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1458 } |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1459 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1460 host = director_host_get(conn->dir, &ip, port); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1461 /* reset failure timestamp so we'll actually try to connect there. */ |
14432
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
1462 host->last_network_failure = 0; |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1463 |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1464 /* remote suggests us to connect elsewhere */ |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1465 if (dir->right != NULL && |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1466 director_host_cmp_to_self(host, dir->right->host, |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1467 dir->self_host) <= 0) { |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1468 /* 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
|
1469 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
|
1470 host->name, dir->right->name); |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1471 return TRUE; |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1472 } |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1473 |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1474 if (dir->right == NULL) { |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1475 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
|
1476 "initializing right", host->name); |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1477 } else { |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1478 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
|
1479 "replacing current right %s", |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1480 host->name, dir->right->name); |
11579
61708c33154d
director: Debug message improvements.
Timo Sirainen <tss@iki.fi>
parents:
11572
diff
changeset
|
1481 } |
61708c33154d
director: Debug message improvements.
Timo Sirainen <tss@iki.fi>
parents:
11572
diff
changeset
|
1482 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1483 /* connect here */ |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1484 (void)director_connect_host(dir, host); |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1485 return TRUE; |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1486 } |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1487 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1488 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
|
1489 { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1490 struct director_connection *const *connp, *conn; |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1491 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1492 array_foreach(&dir->connections, connp) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1493 conn = *connp; |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1494 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1495 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
|
1496 conn->to_disconnect == NULL && |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1497 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
|
1498 dir->self_host) < 0) |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1499 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
|
1500 } |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1501 } |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1502 |
11586
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1503 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
|
1504 { |
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1505 if (!conn->ping_waiting) |
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1506 return TRUE; |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1507 conn->ping_waiting = FALSE; |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1508 timeout_remove(&conn->to_pong); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1509 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1510 if (conn->verifying_left) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1511 conn->verifying_left = FALSE; |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1512 if (conn == conn->dir->left) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1513 /* 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
|
1514 incoming connections to connect to it instead. */ |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1515 director_disconnect_wrong_lefts(conn->dir); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1516 } |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1517 } |
11586
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1518 |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1519 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
|
1520 return TRUE; |
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1521 } |
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
1522 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1523 static bool |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1524 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
|
1525 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
|
1526 { |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1527 int ret; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1528 |
11327
9d886ae434c3
director: If connecting to director fails, try connecting to next one.
Timo Sirainen <tss@iki.fi>
parents:
11321
diff
changeset
|
1529 if (!conn->handshake_received) { |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1530 ret = director_connection_handle_handshake(conn, cmd, args); |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1531 if (ret > 0) |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1532 return TRUE; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1533 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
|
1534 /* 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
|
1535 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
|
1536 return FALSE; |
9d886ae434c3
director: If connecting to director fails, try connecting to next one.
Timo Sirainen <tss@iki.fi>
parents:
11321
diff
changeset
|
1537 } |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1538 /* 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
|
1539 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1540 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1541 if (strcmp(cmd, "PING") == 0) { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1542 director_connection_send(conn, "PONG\n"); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1543 return TRUE; |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1544 } |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1545 if (strcmp(cmd, "PONG") == 0) |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1546 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
|
1547 if (strcmp(cmd, "USER") == 0) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1548 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
|
1549 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
|
1550 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
|
1551 if (strcmp(cmd, "HOST") == 0) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1552 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
|
1553 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
|
1554 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
|
1555 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
|
1556 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
|
1557 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
|
1558 return director_cmd_user_move(conn, args); |
17418
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1559 if (strcmp(cmd, "USER-KICK") == 0) |
64808a9703db
doveadm director kick command added.
Timo Sirainen <tss@iki.fi>
parents:
17259
diff
changeset
|
1560 return director_cmd_user_kick(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
|
1561 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
|
1562 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
|
1563 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
|
1564 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
|
1565 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
|
1566 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
|
1567 if (strcmp(cmd, "DIRECTOR") == 0) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1568 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
|
1569 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
|
1570 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
|
1571 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
|
1572 return director_connection_sync(conn, args); |
11571
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1573 if (strcmp(cmd, "CONNECT") == 0) |
75d5e31ea8cc
director: Handle CONNECT commands (properly).
Timo Sirainen <tss@iki.fi>
parents:
11569
diff
changeset
|
1574 return director_cmd_connect(conn, args); |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1575 if (strcmp(cmd, "QUIT") == 0) { |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1576 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
|
1577 conn->name, t_strarray_join(args, " ")); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1578 return FALSE; |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1579 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1580 |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1581 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
|
1582 return FALSE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1583 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1584 |
14407
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1585 static bool |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1586 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
|
1587 const char *line) |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1588 { |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1589 const char *cmd, *const *args; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1590 bool ret; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1591 |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1592 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
|
1593 |
14471
fc8031c5e691
Use t_strsplit_tab() wherever possible
Timo Sirainen <tss@iki.fi>
parents:
14468
diff
changeset
|
1594 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
|
1595 cmd = args[0]; args++; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1596 if (cmd == NULL) { |
14479
293ada796ae6
director: Fixed protocol error detection/handling.
Timo Sirainen <tss@iki.fi>
parents:
14478
diff
changeset
|
1597 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
|
1598 return FALSE; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1599 } |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1600 |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1601 conn->cur_cmd = cmd; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1602 conn->cur_line = line; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1603 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
|
1604 conn->cur_cmd = NULL; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1605 conn->cur_line = NULL; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1606 return ret; |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1607 } |
d6cd93e32b37
director: Improved error logging for handling invalid commands/parameters.
Timo Sirainen <tss@iki.fi>
parents:
14406
diff
changeset
|
1608 |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1609 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
|
1610 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
|
1611 const char *errstr) |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1612 { |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1613 unsigned int secs = ioloop_time - conn->created; |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1614 string_t *str = t_str_new(128); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1615 |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1616 i_assert(conn->connected); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1617 |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1618 if (conn->connect_request_to != NULL) { |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1619 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
|
1620 "should use %s instead", |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1621 conn->name, conn->connect_request_to->name); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1622 return; |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1623 } |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1624 |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1625 str_printfa(str, "Director %s disconnected: ", conn->name); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1626 str_append(str, "Connection closed"); |
16618
0ad8da149774
director: Log director disconnection errno correctly.
Timo Sirainen <tss@iki.fi>
parents:
15715
diff
changeset
|
1627 if (err != 0 && err != EPIPE) { |
0ad8da149774
director: Log director disconnection errno correctly.
Timo Sirainen <tss@iki.fi>
parents:
15715
diff
changeset
|
1628 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
|
1629 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
|
1630 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
|
1631 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
|
1632 str_printfa(str, ": %s", errstr); |
16618
0ad8da149774
director: Log director disconnection errno correctly.
Timo Sirainen <tss@iki.fi>
parents:
15715
diff
changeset
|
1633 } |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1634 |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1635 str_printfa(str, " (connected %u secs, " |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1636 "in=%"PRIuUOFF_T" out=%"PRIuUOFF_T, |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1637 secs, conn->input->v_offset, conn->output->offset); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1638 |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1639 if (!conn->me_received) |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1640 str_append(str, ", handshake ME not received"); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1641 else if (!conn->handshake_received) |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1642 str_append(str, ", handshake DONE not received"); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1643 i_error("%s", str_c(str)); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1644 } |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1645 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1646 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
|
1647 { |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1648 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
|
1649 char *line; |
18664
502755a1af5f
director: Include useful statistics in process title.
Timo Sirainen <tss@iki.fi>
parents:
18663
diff
changeset
|
1650 uoff_t prev_offset; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1651 bool ret; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1652 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1653 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
|
1654 case 0: |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1655 return; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1656 case -1: |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1657 /* 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
|
1658 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
|
1659 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
|
1660 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
|
1661 return; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1662 case -2: |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1663 /* buffer full */ |
14479
293ada796ae6
director: Fixed protocol error detection/handling.
Timo Sirainen <tss@iki.fi>
parents:
14478
diff
changeset
|
1664 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
|
1665 MAX_INBUF_SIZE); |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1666 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
|
1667 return; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1668 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1669 |
14494
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1670 if (conn->to_disconnect != NULL) { |
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1671 /* 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
|
1672 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
|
1673 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
|
1674 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
|
1675 return; |
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1676 } |
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1677 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1678 director_sync_freeze(dir); |
18664
502755a1af5f
director: Include useful statistics in process title.
Timo Sirainen <tss@iki.fi>
parents:
18663
diff
changeset
|
1679 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
|
1680 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
|
1681 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
|
1682 prev_offset = conn->input->v_offset; |
502755a1af5f
director: Include useful statistics in process title.
Timo Sirainen <tss@iki.fi>
parents:
18663
diff
changeset
|
1683 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1684 T_BEGIN { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1685 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
|
1686 } T_END; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1687 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1688 if (!ret) { |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1689 director_connection_reconnect(&conn, t_strdup_printf( |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1690 "Invalid input: %s", line)); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1691 break; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1692 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1693 } |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1694 director_sync_thaw(dir); |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1695 if (conn != NULL) |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1696 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
|
1697 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1698 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1699 static void director_connection_send_directors(struct director_connection *conn, |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1700 string_t *str) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1701 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1702 struct director_host *const *hostp; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1703 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1704 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
|
1705 if ((*hostp)->removed) |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
1706 continue; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1707 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
|
1708 net_ip2addr(&(*hostp)->ip), (*hostp)->port); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1709 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1710 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1711 |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
1712 static void |
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
1713 director_connection_send_hosts(struct director_connection *conn, string_t *str) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1714 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1715 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
|
1716 bool send_updowns; |
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1717 |
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1718 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
|
1719 |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
1720 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
|
1721 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
|
1722 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
|
1723 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
|
1724 |
18067
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
1725 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
|
1726 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
|
1727 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
|
1728 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
|
1729 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
|
1730 } |
0ee3e734249a
director: Added "up" vs "down" states and doveadm director up/down commands.
Timo Sirainen <tss@iki.fi>
parents:
18708
diff
changeset
|
1731 if (send_updowns) { |
19310
7f718c840aff
director: Remember backends' hostnames and send them in login reply.
Timo Sirainen <tss@iki.fi>
parents:
19309
diff
changeset
|
1732 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
|
1733 (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
|
1734 if (host->hostname != NULL) |
7f718c840aff
director: Remember backends' hostnames and send them in login reply.
Timo Sirainen <tss@iki.fi>
parents:
19309
diff
changeset
|
1735 str_append_tabescaped(str, host->hostname); |
18067
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
1736 } |
a7e830b9b967
director: Added support for backend cluster "tags".
Timo Sirainen <tss@iki.fi>
parents:
18065
diff
changeset
|
1737 str_append_c(str, '\n'); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1738 } |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
1739 str_printfa(str, "HOST-HAND-END\t%u\n", conn->dir->ring_handshaked); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1740 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1741 |
18065
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1742 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
|
1743 { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1744 i_assert(conn->version_received); |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1745 |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1746 if (!conn->dir->set->director_consistent_hashing) |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1747 ; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1748 else if (conn->minor_version >= DIRECTOR_VERSION_OPTIONS) { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1749 director_connection_send(conn, |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1750 "OPTIONS\t"DIRECTOR_OPT_CONSISTENT_HASHING"\n"); |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1751 } else { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1752 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
|
1753 conn->name); |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1754 return -1; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1755 } |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1756 director_connection_send(conn, "DONE\n"); |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1757 conn->done_pending = FALSE; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1758 return 0; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1759 } |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1760 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1761 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
|
1762 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1763 struct user *user; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1764 int ret; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1765 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1766 while ((user = user_directory_iter_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
|
1767 T_BEGIN { |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1768 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
|
1769 |
14310
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1770 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
|
1771 user->username_hash, |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1772 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
|
1773 user->timestamp); |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1774 if (user->weak) |
7a26c427fc78
director: Avoid user getting redirected to different servers near its expiration.
Timo Sirainen <tss@iki.fi>
parents:
14306
diff
changeset
|
1775 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
|
1776 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
|
1777 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
|
1778 } T_END; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1779 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1780 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
|
1781 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
|
1782 /* continue later */ |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1783 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
|
1784 return ret; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1785 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1786 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1787 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1788 user_directory_iter_deinit(&conn->user_iter); |
18065
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1789 if (!conn->version_received) |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1790 conn->done_pending = TRUE; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1791 else { |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1792 if (director_connection_send_done(conn) < 0) |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1793 return -1; |
b9df3d654710
director: Added director_consistent_hashing setting.
Timo Sirainen <tss@iki.fi>
parents:
18063
diff
changeset
|
1794 } |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1795 |
16621
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1796 if (conn->users_unsorted && conn->handshake_received) { |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1797 /* 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
|
1798 conn->users_unsorted = FALSE; |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1799 user_directory_sort(conn->dir->users); |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1800 } |
5ef62caea61b
director: Update existing users' timestamps during handshake.
Timo Sirainen <tss@iki.fi>
parents:
16619
diff
changeset
|
1801 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1802 ret = o_stream_flush(conn->output); |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1803 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
|
1804 return ret; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1805 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1806 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1807 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
|
1808 { |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1809 int ret; |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1810 |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1811 if (conn->user_iter != NULL) { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1812 /* still handshaking USER list */ |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1813 o_stream_cork(conn->output); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1814 ret = director_connection_send_users(conn); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1815 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
|
1816 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
|
1817 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
|
1818 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
|
1819 } else { |
14480
d9f33d78fa3d
director: Make sure handshaking doesn't get stuck sending USERs.
Timo Sirainen <tss@iki.fi>
parents:
14479
diff
changeset
|
1820 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
|
1821 } |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1822 return ret; |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1823 } |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
1824 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
|
1825 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1826 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1827 static struct director_connection * |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1828 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
|
1829 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1830 struct director_connection *conn; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1831 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1832 conn = i_new(struct director_connection, 1); |
12065
ff5a47012287
director: If outgoing connection dies soon, mark the host as failed to avoid immediate reconnect.
Timo Sirainen <tss@iki.fi>
parents:
11816
diff
changeset
|
1833 conn->created = ioloop_time; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1834 conn->fd = fd; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1835 conn->dir = dir; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1836 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
|
1837 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
|
1838 o_stream_set_no_error_handling(conn->output, TRUE); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1839 conn->to_ping = timeout_add(DIRECTOR_CONNECTION_ME_TIMEOUT_MSECS, |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1840 director_connection_init_timeout, conn); |
14406
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
1841 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
|
1842 return conn; |
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 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1845 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
|
1846 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1847 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
|
1848 "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
|
1849 "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
|
1850 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
|
1851 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
|
1852 (long long)time(NULL))); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1853 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1854 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1855 struct director_connection * |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1856 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
|
1857 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
|
1858 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1859 struct director_connection *conn; |
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 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
|
1862 conn->in = TRUE; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1863 conn->connected = TRUE; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1864 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
|
1865 conn->io = io_add(conn->fd, IO_READ, director_connection_input, conn); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1866 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1867 director_connection_send_handshake(conn); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1868 return conn; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1869 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1870 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1871 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
|
1872 { |
11327
9d886ae434c3
director: If connecting to director fails, try connecting to next one.
Timo Sirainen <tss@iki.fi>
parents:
11321
diff
changeset
|
1873 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
|
1874 string_t *str = t_str_new(1024); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1875 int err; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1876 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1877 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
|
1878 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
|
1879 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
|
1880 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
|
1881 return; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1882 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1883 conn->connected = TRUE; |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1884 o_stream_set_flush_callback(conn->output, |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1885 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
|
1886 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1887 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
|
1888 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
|
1889 |
14477
ea5b949a623b
director: Increased timeout for sending USER data in handshake.
Timo Sirainen <tss@iki.fi>
parents:
14476
diff
changeset
|
1890 timeout_remove(&conn->to_ping); |
ea5b949a623b
director: Increased timeout for sending USER data in handshake.
Timo Sirainen <tss@iki.fi>
parents:
14476
diff
changeset
|
1891 conn->to_ping = timeout_add(DIRECTOR_CONNECTION_SEND_USERS_TIMEOUT_MSECS, |
ea5b949a623b
director: Increased timeout for sending USER data in handshake.
Timo Sirainen <tss@iki.fi>
parents:
14476
diff
changeset
|
1892 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
|
1893 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1894 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
|
1895 director_connection_send_handshake(conn); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1896 director_connection_send_directors(conn, str); |
11350
5f77c91f3df0
director: Preserve old mail server state when a new director connects to ring.
Timo Sirainen <tss@iki.fi>
parents:
11349
diff
changeset
|
1897 director_connection_send_hosts(conn, str); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1898 director_connection_send(conn, str_c(str)); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1899 |
11327
9d886ae434c3
director: If connecting to director fails, try connecting to next one.
Timo Sirainen <tss@iki.fi>
parents:
11321
diff
changeset
|
1900 conn->user_iter = user_directory_iter_init(dir->users); |
14481
ce4e1bf7262d
director: Another fix for stuck handshake.
Timo Sirainen <tss@iki.fi>
parents:
14480
diff
changeset
|
1901 if (director_connection_send_users(conn) == 0) |
ce4e1bf7262d
director: Another fix for stuck handshake.
Timo Sirainen <tss@iki.fi>
parents:
14480
diff
changeset
|
1902 o_stream_set_flush_pending(conn->output, TRUE); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1903 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
|
1904 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1905 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1906 struct director_connection * |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1907 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
|
1908 struct director_host *host) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1909 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1910 struct director_connection *conn; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1911 |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
1912 i_assert(!host->removed); |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
1913 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1914 /* 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
|
1915 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
|
1916 |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1917 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
|
1918 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
|
1919 conn->host = host; |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
1920 director_host_ref(host); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1921 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
|
1922 director_connection_connected, conn); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1923 return conn; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1924 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1925 |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1926 void director_connection_deinit(struct director_connection **_conn, |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1927 const char *remote_reason) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1928 { |
14406
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
1929 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
|
1930 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
|
1931 unsigned int i, count; |
11321
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 *_conn = NULL; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1934 |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1935 if (conn->host != NULL) { |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1936 dir_debug("Disconnecting from %s: %s", |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
1937 conn->host->name, remote_reason); |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1938 } |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1939 if (*remote_reason != '\0' && |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1940 conn->minor_version >= DIRECTOR_VERSION_QUIT) { |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1941 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
|
1942 "QUIT\t%s\n", remote_reason)); |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1943 } |
12935
e9139f74c451
director: Improved debug/error logging.
Timo Sirainen <tss@iki.fi>
parents:
12934
diff
changeset
|
1944 |
14406
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
1945 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
|
1946 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
|
1947 if (conns[i] == conn) { |
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
1948 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
|
1949 break; |
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
1950 } |
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
1951 } |
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
1952 i_assert(i < count); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1953 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
|
1954 dir->left = NULL; |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1955 /* 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
|
1956 use it as the new "left" */ |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1957 director_assign_left(dir); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1958 } |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1959 if (dir->right == conn) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1960 dir->right = NULL; |
14571
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
1961 if (conn->host != NULL) |
42cca8a1d179
director: Implemented ability to remove directors from a running ring.
Timo Sirainen <tss@iki.fi>
parents:
14570
diff
changeset
|
1962 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
|
1963 |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1964 if (conn->connect_request_to != NULL) |
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
1965 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
|
1966 if (conn->user_iter != NULL) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1967 user_directory_iter_deinit(&conn->user_iter); |
14494
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1968 if (conn->to_disconnect != NULL) |
d27b743c9921
director: Delay disconnecting director after sending CONNECT command.
Timo Sirainen <tss@iki.fi>
parents:
14493
diff
changeset
|
1969 timeout_remove(&conn->to_disconnect); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1970 if (conn->to_pong != NULL) |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
1971 timeout_remove(&conn->to_pong); |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
1972 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
|
1973 if (conn->io != NULL) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1974 io_remove(&conn->io); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1975 i_stream_unref(&conn->input); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1976 o_stream_unref(&conn->output); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1977 if (close(conn->fd) < 0) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1978 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
|
1979 |
467ca06a7dbe
director: Outgoing director connections shouldn't be counted as master clients.
Timo Sirainen <tss@iki.fi>
parents:
11373
diff
changeset
|
1980 if (conn->in) |
467ca06a7dbe
director: Outgoing director connections shouldn't be counted as master clients.
Timo Sirainen <tss@iki.fi>
parents:
11373
diff
changeset
|
1981 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
|
1982 i_free(conn->name); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1983 i_free(conn); |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1984 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1985 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
|
1986 /* 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
|
1987 dir->sync_seq++; |
13921
c70965e8b27d
director: If request is timed out, log an error.
Timo Sirainen <tss@iki.fi>
parents:
13053
diff
changeset
|
1988 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
|
1989 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1990 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1991 |
18858
8bde19f080ad
director: explicitly mark _disconnect() helper static to match proto
Phil Carmody <phil@dovecot.fi>
parents:
18729
diff
changeset
|
1992 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
|
1993 const char *reason) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1994 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
1995 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
|
1996 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
|
1997 |
14570
40f958c7643b
director: Don't crash with quickly disconnecting incoming director connections.
Timo Sirainen <tss@iki.fi>
parents:
14494
diff
changeset
|
1998 if (conn->created + DIRECTOR_SUCCESS_MIN_CONNECT_SECS > ioloop_time && |
40f958c7643b
director: Don't crash with quickly disconnecting incoming director connections.
Timo Sirainen <tss@iki.fi>
parents:
14494
diff
changeset
|
1999 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
|
2000 /* 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
|
2001 network problem */ |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2002 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
|
2003 } |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2004 |
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
|
2005 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
|
2006 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
|
2007 director_connect(dir); |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2008 } |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2009 |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2010 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
|
2011 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
|
2012 { |
366b9e5fc85c
director: Don't communicate with directors that recently sent invalid input.
Timo Sirainen <tss@iki.fi>
parents:
14431
diff
changeset
|
2013 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
|
2014 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
|
2015 |
15132
27d3289e1f5c
director: Improved logging related to disconnections.
Timo Sirainen <tss@iki.fi>
parents:
15131
diff
changeset
|
2016 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
|
2017 if (dir->right == NULL) |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2018 director_connect(dir); |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2019 } |
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 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
|
2022 const char *data) |
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 unsigned int len = strlen(data); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2025 off_t ret; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2026 |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2027 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
|
2028 return; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2029 |
15326
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
2030 if (director_debug) T_BEGIN { |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
2031 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
|
2032 for (; lines[1] != NULL; lines++) |
48af47f2eb9c
director: -D parameter now enables extensive debug logging.
Timo Sirainen <tss@iki.fi>
parents:
15324
diff
changeset
|
2033 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
|
2034 } T_END; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2035 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
|
2036 if (ret != (off_t)len) { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2037 if (ret < 0) |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2038 i_error("director(%s): write() failed: %m", conn->name); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2039 else { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2040 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
|
2041 "disconnecting", conn->name); |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2042 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2043 o_stream_close(conn->output); |
18664
502755a1af5f
director: Include useful statistics in process title.
Timo Sirainen <tss@iki.fi>
parents:
18663
diff
changeset
|
2044 } else { |
502755a1af5f
director: Include useful statistics in process title.
Timo Sirainen <tss@iki.fi>
parents:
18663
diff
changeset
|
2045 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
|
2046 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2047 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2048 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2049 static void |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2050 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
|
2051 { |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2052 i_error("director(%s): Ping timed out, 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
|
2053 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
|
2054 } |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2055 |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2056 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
|
2057 { |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2058 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
|
2059 "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
|
2060 director_connection_disconnected(&conn, "Pong timeout"); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2061 } |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2062 |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2063 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
|
2064 { |
11586
e75dab14bb2f
director: Send PINGs every 15 seconds for idling director connections.
Timo Sirainen <tss@iki.fi>
parents:
11585
diff
changeset
|
2065 if (conn->ping_waiting) |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2066 return; |
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2067 |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2068 timeout_remove(&conn->to_ping); |
14409
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2069 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
|
2070 director_connection_ping_idle_timeout, conn); |
b43ae3805f5f
director: Redesigned connection handling and error handling.
Timo Sirainen <tss@iki.fi>
parents:
14408
diff
changeset
|
2071 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
|
2072 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
|
2073 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
|
2074 conn->ping_waiting = TRUE; |
11321
5f350b5ff6d9
Added initial implementation of a director process (for NFS users).
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2075 } |
11585 | 2076 |
2077 const char *director_connection_get_name(struct director_connection *conn) | |
2078 { | |
2079 return conn->name; | |
2080 } | |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2081 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2082 struct director_host * |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2083 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
|
2084 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2085 return conn->host; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2086 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2087 |
14408
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
2088 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
|
2089 { |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
2090 return conn->handshake_received; |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
2091 } |
544a8c4705e5
director: Handle all commands during handshake.
Timo Sirainen <tss@iki.fi>
parents:
14407
diff
changeset
|
2092 |
18062
ade6dcace5cd
doveadm director ring status shows now more information
Timo Sirainen <tss@iki.fi>
parents:
17419
diff
changeset
|
2093 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
|
2094 { |
ade6dcace5cd
doveadm director ring status shows now more information
Timo Sirainen <tss@iki.fi>
parents:
17419
diff
changeset
|
2095 return conn->synced; |
ade6dcace5cd
doveadm director ring status shows now more information
Timo Sirainen <tss@iki.fi>
parents:
17419
diff
changeset
|
2096 } |
ade6dcace5cd
doveadm director ring status shows now more information
Timo Sirainen <tss@iki.fi>
parents:
17419
diff
changeset
|
2097 |
14406
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2098 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
|
2099 { |
14406
c760ac046203
director: List of director connections belongs to struct director.
Timo Sirainen <tss@iki.fi>
parents:
14405
diff
changeset
|
2100 return conn->in; |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2101 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2102 |
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
|
2103 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
|
2104 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
|
2105 { |
084064444f89
director: Don't try to send the new SYNC parameter to old director versions.
Timo Sirainen <tss@iki.fi>
parents:
14409
diff
changeset
|
2106 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
|
2107 } |
084064444f89
director: Don't try to send the new SYNC parameter to old director versions.
Timo Sirainen <tss@iki.fi>
parents:
14409
diff
changeset
|
2108 |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2109 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
|
2110 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2111 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
|
2112 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2113 |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2114 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
|
2115 { |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2116 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
|
2117 } |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2118 |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2119 void director_connection_set_synced(struct director_connection *conn, |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2120 bool synced) |
11629
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2121 { |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2122 if (conn->synced == synced) |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2123 return; |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2124 conn->synced = synced; |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2125 |
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2126 /* 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
|
2127 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
|
2128 return; |
a07aa85f68c9
director: Lots of fixes. It should be pretty stable now.
Timo Sirainen <tss@iki.fi>
parents:
11598
diff
changeset
|
2129 |
14405
168e3b5cb6e8
director: Changes to PING handling.
Timo Sirainen <tss@iki.fi>
parents:
14310
diff
changeset
|
2130 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
|
2131 } |