dovecot/core-2.2: src/director/director-connection.c annotate

annotate src/director/director-connection.c @ 14477:ea5b949a623b

director: Increased timeout for sending USER data in handshake.

author	Timo Sirainen <tss@iki.fi>
date	Fri, 20 Apr 2012 00:13:55 +0300
parents	8245a97bf36c
children	ee169584bc44

rev	line source
14133 ba770cba5598 Updated copyright notices to include year 2012. Timo Sirainen <tss@iki.fi> parents: 13941 diff changeset	1 /* Copyright (c) 2010-2012 Dovecot authors, see the included COPYING file */
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	2
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	3 /*
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	4 Handshaking:
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	5
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	6 Incoming director connections send:
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	7
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	8 VERSION
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	9 ME
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	10 <wait for DONE from remote handshake>
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	11 DONE
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	12 <make this connection our "left" connection, potentially disconnecting
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	13 another one>
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	14
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	15 Outgoing director connections send:
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	16
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	17 VERSION
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	18 ME
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	19 [0..n] DIRECTOR
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	20 HOST-HAND-START
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	21 [0..n] HOST
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	22 HOST-HAND-END
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	23 [0..n] USER
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	24 <possibly other non-handshake commands between USERs>
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	25 DONE
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	26 <wait for DONE from remote>
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	27 <make this connection our "right" connection, potentially disconnecting
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	28 another one>
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	29 */
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	30
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	31 #include "lib.h"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	32 #include "ioloop.h"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	33 #include "array.h"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	34 #include "network.h"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	35 #include "istream.h"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	36 #include "ostream.h"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	37 #include "str.h"
11373 26cfc1c3a4b1 director: Update connection count when client disconnects. Timo Sirainen <tss@iki.fi> parents: 11355 diff changeset	38 #include "master-service.h"
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	39 #include "mail-host.h"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	40 #include "director.h"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	41 #include "director-host.h"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	42 #include "director-request.h"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	43 #include "user-directory.h"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	44 #include "director-connection.h"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	45
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	46 #include <stdlib.h>
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	47 #include <unistd.h>
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	48
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	49 #define MAX_INBUF_SIZE 1024
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	50 #define MAX_OUTBUF_SIZE (1024102410)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	51 #define OUTBUF_FLUSH_THRESHOLD (1024*128)
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	52 /* Max idling time before "ME" command must have been received,
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	53 or we'll disconnect. */
14467 110673e82868 director: Increased timeouts. Timo Sirainen <tss@iki.fi> parents: 14437 diff changeset	54 #define DIRECTOR_CONNECTION_ME_TIMEOUT_MSECS (10*1000)
14477 ea5b949a623b director: Increased timeout for sending USER data in handshake. Timo Sirainen <tss@iki.fi> parents: 14476 diff changeset	55 /* Max time to wait for USERs in handshake to be sent. With a lot of users the
ea5b949a623b director: Increased timeout for sending USER data in handshake. Timo Sirainen <tss@iki.fi> parents: 14476 diff changeset	56 kernel may quickly eat up everything we send, while the receiver is busy
ea5b949a623b director: Increased timeout for sending USER data in handshake. Timo Sirainen <tss@iki.fi> parents: 14476 diff changeset	57 parsing the data. */
ea5b949a623b director: Increased timeout for sending USER data in handshake. Timo Sirainen <tss@iki.fi> parents: 14476 diff changeset	58 #define DIRECTOR_CONNECTION_SEND_USERS_TIMEOUT_MSECS (120*1000)
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	59 /* Max idling time before "DONE" command must have been received,
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	60 or we'll disconnect. */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	61 #define DIRECTOR_CONNECTION_DONE_TIMEOUT_MSECS (30*1000)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	62 /* How long to wait for PONG for an idling connection */
14467 110673e82868 director: Increased timeouts. Timo Sirainen <tss@iki.fi> parents: 14437 diff changeset	63 #define DIRECTOR_CONNECTION_PING_IDLE_TIMEOUT_MSECS (10*1000)
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	64 /* Maximum time to wait for PONG reply */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	65 #define DIRECTOR_CONNECTION_PONG_TIMEOUT_MSECS (60*1000)
11586 e75dab14bb2f director: Send PINGs every 15 seconds for idling director connections. Timo Sirainen <tss@iki.fi> parents: 11585 diff changeset	66 /* How long to wait to send PING when connection is idle */
e75dab14bb2f director: Send PINGs every 15 seconds for idling director connections. Timo Sirainen <tss@iki.fi> parents: 11585 diff changeset	67 #define DIRECTOR_CONNECTION_PING_INTERVAL_MSECS (15*1000)
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	68 /* How long to wait before sending PING while waiting for SYNC reply */
14405 168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	69 #define DIRECTOR_CONNECTION_PING_SYNC_INTERVAL_MSECS 1000
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	70 /* If outgoing director connection exists for less than this many seconds,
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	71 mark the host as failed so we won't try to reconnect to it immediately */
14432 366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	72 #define DIRECTOR_SUCCESS_MIN_CONNECT_SECS 40
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	73
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	74 #if DIRECTOR_CONNECTION_DONE_TIMEOUT_MSECS <= DIRECTOR_CONNECTION_PING_TIMEOUT_MSECS
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	75 # error DIRECTOR_CONNECTION_DONE_TIMEOUT_MSECS is too low
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	76 #endif
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	77
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	78 #if DIRECTOR_CONNECTION_PONG_TIMEOUT_MSECS <= DIRECTOR_CONNECTION_PING_IDLE_TIMEOUT_MSECS
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	79 # error DIRECTOR_CONNECTION_PONG_TIMEOUT_MSECS is too low
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	80 #endif
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	81
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	82 #define CMD_IS_USER_HANDHAKE(args) \
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	83 (str_array_length(args) > 2)
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	84
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	85 struct director_connection {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	86 struct director *dir;
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	87 char *name;
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	88 time_t created;
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	89 unsigned int minor_version;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	90
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	91 /* for incoming connections the director host isn't known until
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	92 ME-line is received */
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	93 struct director_host *host;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	94
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	95 int fd;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	96 struct io *io;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	97 struct istream *input;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	98 struct ostream *output;
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	99 struct timeout to, to_ping, *to_pong;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	100
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	101 struct user_directory_iter *user_iter;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	102
14407 d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	103 /* set during command execution */
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	104 const char cur_cmd, cur_line;
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	105
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	106 unsigned int in:1;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	107 unsigned int connected:1;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	108 unsigned int version_received:1;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	109 unsigned int me_received:1;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	110 unsigned int handshake_received:1;
11350 5f77c91f3df0 director: Preserve old mail server state when a new director connects to ring. Timo Sirainen <tss@iki.fi> parents: 11349 diff changeset	111 unsigned int ignore_host_events:1;
11585 f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	112 unsigned int handshake_sending_hosts:1;
11586 e75dab14bb2f director: Send PINGs every 15 seconds for idling director connections. Timo Sirainen <tss@iki.fi> parents: 11585 diff changeset	113 unsigned int ping_waiting:1;
14405 168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	114 unsigned int synced:1;
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	115 unsigned int wrong_host:1;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	116 unsigned int verifying_left:1;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	117 };
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	118
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	119 static void director_connection_disconnected(struct director_connection **conn);
14432 366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	120 static void director_connection_protocol_error(struct director_connection **conn);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	121
14407 d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	122 static void ATTR_FORMAT(2, 3)
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	123 director_cmd_error(struct director_connection conn, const char fmt, ...)
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	124 {
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	125 va_list args;
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	126
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	127 va_start(args, fmt);
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	128 i_error("director(%s): Command %s: %s (input: %s)", conn->name,
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	129 conn->cur_cmd, t_strdup_vprintf(fmt, args), conn->cur_line);
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	130 va_end(args);
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	131 }
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	132
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	133 static void
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	134 director_connection_init_timeout(struct director_connection *conn)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	135 {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	136 unsigned int secs = ioloop_time - conn->created;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	137
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	138 if (!conn->connected) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	139 i_error("director(%s): Connect timed out (%u secs)",
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	140 conn->name, secs);
14476 8245a97bf36c director: Improved error message Timo Sirainen <tss@iki.fi> parents: 14475 diff changeset	141 } else if (conn->io == NULL) {
8245a97bf36c director: Improved error message Timo Sirainen <tss@iki.fi> parents: 14475 diff changeset	142 i_error("director(%s): Sending handshake (%u secs)",
8245a97bf36c director: Improved error message Timo Sirainen <tss@iki.fi> parents: 14475 diff changeset	143 conn->name, secs);
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	144 } else if (!conn->me_received) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	145 i_error("director(%s): Handshaking ME timed out (%u secs)",
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	146 conn->name, secs);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	147 } else {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	148 i_error("director(%s): Handshaking DONE timed out (%u secs)",
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	149 conn->name, secs);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	150 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	151 director_connection_disconnected(&conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	152 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	153
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	154 static void
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	155 director_connection_set_ping_timeout(struct director_connection *conn)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	156 {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	157 unsigned int msecs;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	158
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	159 msecs = conn->synced \|\| !conn->handshake_received ?
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	160 DIRECTOR_CONNECTION_PING_INTERVAL_MSECS :
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	161 DIRECTOR_CONNECTION_PING_SYNC_INTERVAL_MSECS;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	162
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	163 timeout_remove(&conn->to_ping);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	164 conn->to_ping = timeout_add(msecs, director_connection_ping, conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	165 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	166
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	167 static void director_connection_send_connect(struct director_connection *conn,
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	168 struct director_host *host)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	169 {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	170 const char *connect_str;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	171
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	172 connect_str = t_strdup_printf("CONNECT\t%s\t%u\n",
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	173 net_ip2addr(&host->ip), host->port);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	174 director_connection_send(conn, connect_str);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	175 (void)o_stream_flush(conn->output);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	176 o_stream_uncork(conn->output);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	177 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	178
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	179 static void director_connection_assigned(struct director_connection *conn)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	180 {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	181 struct director *dir = conn->dir;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	182
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	183 if (dir->left != NULL && dir->right != NULL) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	184 /* we're connected to both directors. see if the ring is
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	185 finished by sending a SYNC. if we get it back, it's done. */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	186 dir->sync_seq++;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	187 director_set_ring_unsynced(dir);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	188 director_sync_send(dir, dir->self_host, dir->sync_seq,
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	189 DIRECTOR_VERSION_MINOR);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	190 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	191 director_connection_set_ping_timeout(conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	192 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	193
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	194 static bool director_connection_assign_left(struct director_connection *conn)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	195 {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	196 struct director *dir = conn->dir;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	197
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	198 i_assert(conn->in);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	199 i_assert(dir->left != conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	200
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	201 /* make sure this is the correct incoming connection */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	202 if (conn->host->self) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	203 i_error("Connection from self, dropping");
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	204 return FALSE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	205 } else if (dir->left == NULL) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	206 /* no conflicts yet */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	207 } else if (dir->left->host == conn->host) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	208 i_info("Dropping existing connection %s "
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	209 "in favor of its new connection %s",
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	210 dir->left->host->name, conn->host->name);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	211 director_connection_deinit(&dir->left);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	212 } else if (dir->left->verifying_left) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	213 /* we're waiting to verify if our current left is still
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	214 working. if we don't receive a PONG, the current left
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	215 gets disconnected and a new left gets assigned. if we do
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	216 receive a PONG, we'll wait until the current left
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	217 disconnects us and then reassign the new left. */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	218 return TRUE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	219 } else if (director_host_cmp_to_self(dir->left->host, conn->host,
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	220 dir->self_host) < 0) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	221 /* the old connection is the correct one.
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	222 refer the client there (FIXME: do we ever get here?) */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	223 i_warning("Director connection %s tried to connect to "
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	224 "us, should use %s instead",
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	225 conn->name, dir->left->host->name);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	226 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	227 return FALSE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	228 } else {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	229 /* this new connection is the correct one, but wait until the
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	230 old connection gets disconnected before using this one.
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	231 that guarantees that the director inserting itself into
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	232 the ring has finished handshaking its left side, so the
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	233 switch will be fast. */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	234 return TRUE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	235 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	236 dir->left = conn;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	237 i_free(conn->name);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	238 conn->name = i_strdup_printf("%s/left", conn->host->name);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	239 director_connection_assigned(conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	240 return TRUE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	241 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	242
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	243 static void director_assign_left(struct director *dir)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	244 {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	245 struct director_connection conn, const *connp;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	246
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	247 array_foreach(&dir->connections, connp) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	248 conn = *connp;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	249
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	250 if (conn->in && conn->handshake_received && conn != dir->left) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	251 /* either use this or disconnect it */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	252 if (!director_connection_assign_left(conn)) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	253 /* we don't want this */
14437 3771ff9c04d2 director: Fixed disconnecting unwanted connection. Timo Sirainen <tss@iki.fi> parents: 14432 diff changeset	254 director_connection_deinit(&conn);
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	255 director_assign_left(dir);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	256 break;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	257 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	258 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	259 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	260 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	261
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	262 static bool director_has_outgoing_connections(struct director *dir)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	263 {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	264 struct director_connection const connp;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	265
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	266 array_foreach(&dir->connections, connp) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	267 if (!(*connp)->in)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	268 return TRUE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	269 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	270 return FALSE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	271 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	272
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	273 static bool director_connection_assign_right(struct director_connection *conn)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	274 {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	275 struct director *dir = conn->dir;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	276
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	277 i_assert(!conn->in);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	278
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	279 if (dir->right != NULL) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	280 /* see if we should disconnect or keep the existing
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	281 connection. */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	282 if (director_host_cmp_to_self(conn->host, dir->right->host,
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	283 dir->self_host) <= 0) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	284 /* the old connection is the correct one */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	285 i_warning("Aborting incorrect outgoing connection to %s "
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	286 "(already connected to correct one: %s)",
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	287 conn->host->name, dir->right->host->name);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	288 conn->wrong_host = TRUE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	289 return FALSE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	290 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	291 i_info("Replacing right director connection %s with %s",
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	292 dir->right->host->name, conn->host->name);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	293 director_connection_deinit(&dir->right);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	294 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	295 dir->right = conn;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	296 i_free(conn->name);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	297 conn->name = i_strdup_printf("%s/right", conn->host->name);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	298 director_connection_assigned(conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	299 return TRUE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	300 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	301
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	302 static bool
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	303 director_args_parse_ip_port(struct director_connection *conn,
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	304 const char const args,
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	305 struct ip_addr ip_r, unsigned int port_r)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	306 {
14407 d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	307 if (args[0] == NULL \|\| args[1] == NULL) {
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	308 director_cmd_error(conn, "Missing IP+port parameters");
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	309 return FALSE;
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	310 }
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	311 if (net_addr2ip(args[0], ip_r) < 0) {
14407 d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	312 director_cmd_error(conn, "Invalid IP address: %s", args[0]);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	313 return FALSE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	314 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	315 if (str_to_uint(args[1], port_r) < 0) {
14407 d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	316 director_cmd_error(conn, "Invalid port: %s", args[1]);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	317 return FALSE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	318 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	319 return TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	320 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	321
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	322 static bool director_cmd_me(struct director_connection *conn,
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	323 const char const args)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	324 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	325 struct director *dir = conn->dir;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	326 const char *connect_str;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	327 struct ip_addr ip;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	328 unsigned int port;
14432 366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	329 time_t next_comm_attempt;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	330
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	331 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	332 return FALSE;
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	333 if (conn->me_received) {
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	334 director_cmd_error(conn, "Duplicate ME");
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	335 return FALSE;
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	336 }
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	337
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	338 if (!conn->in && (!net_ip_compare(&conn->host->ip, &ip) \|\|
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	339 conn->host->port != port)) {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	340 i_error("Remote director thinks it's someone else "
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	341 "(connected to %s:%u, remote says it's %s:%u)",
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	342 net_ip2addr(&conn->host->ip), conn->host->port,
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	343 net_ip2addr(&ip), port);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	344 return FALSE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	345 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	346 conn->me_received = TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	347
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	348 timeout_remove(&conn->to_ping);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	349 conn->to_ping = timeout_add(DIRECTOR_CONNECTION_DONE_TIMEOUT_MSECS,
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	350 director_connection_init_timeout, conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	351
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	352 if (!conn->in)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	353 return TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	354
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	355 /* Incoming connection:
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	356
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	357 a) we don't have an established ring yet. make sure we're connecting
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	358 to our right side (which might become our left side).
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	359
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	360 b) it's our current "left" connection. the previous connection
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	361 is most likely dead.
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	362
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	363 c) we have an existing ring. tell our current "left" to connect to
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	364 it with CONNECT command.
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	365
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	366 d) the incoming connection doesn't belong to us at all, refer it
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	367 elsewhere with CONNECT. however, before disconnecting it verify
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	368 first that our left side is actually still functional.
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	369 */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	370 conn->host = director_host_get(dir, &ip, port);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	371 /* make sure we don't keep old sequence values across restarts */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	372 conn->host->last_seq = 0;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	373
14432 366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	374 next_comm_attempt = conn->host->last_protocol_failure +
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	375 DIRECTOR_PROTOCOL_FAILURE_RETRY_SECS;
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	376 if (next_comm_attempt > ioloop_time) {
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	377 /* the director recently sent invalid protocol data,
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	378 don't try retrying yet */
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	379 i_error("director(%s): Remote sent invalid protocol data recently, "
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	380 "waiting %u secs before allowing further communication",
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	381 conn->name, (unsigned int)(next_comm_attempt-ioloop_time));
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	382 return FALSE;
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	383 } else if (dir->left == NULL) {
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	384 /* a) - just in case the left is also our right side reset
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	385 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	386 conn->host->last_network_failure = 0;
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	387 if (!director_has_outgoing_connections(dir))
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	388 director_connect(dir);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	389 } else if (dir->left->host == conn->host) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	390 /* b) */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	391 i_assert(dir->left != conn);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	392 director_connection_deinit(&dir->left);
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	393 } else if (director_host_cmp_to_self(conn->host, dir->left->host,
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	394 dir->self_host) < 0) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	395 /* c) */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	396 connect_str = t_strdup_printf("CONNECT\t%s\t%u\n",
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	397 net_ip2addr(&conn->host->ip),
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	398 conn->host->port);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	399 director_connection_send(dir->left, connect_str);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	400 } else {
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	401 /* d) */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	402 dir->left->verifying_left = TRUE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	403 director_connection_ping(dir->left);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	404 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	405 return TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	406 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	407
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	408 static bool
14303 d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	409 director_user_refresh(struct director_connection *conn,
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	410 unsigned int username_hash, struct mail_host *host,
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	411 time_t timestamp, bool weak, struct user **user_r)
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	412 {
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	413 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	414 struct user *user;
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	415 bool ret = FALSE, unset_weak_user = FALSE;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	416
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	417 user = user_directory_lookup(dir->users, username_hash);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	418 if (user == NULL) {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	419 *user_r = user_directory_add(dir->users, username_hash,
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	420 host, timestamp);
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	421 (*user_r)->weak = weak;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	422 return TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	423 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	424
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	425 if (user->weak) {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	426 if (!weak) {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	427 /* removing user's weakness */
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	428 unset_weak_user = TRUE;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	429 user->weak = FALSE;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	430 ret = TRUE;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	431 } else {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	432 /* weak user marked again as weak */
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	433 }
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	434 } else if (weak &&
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	435 !user_directory_user_is_recently_updated(dir->users, user)) {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	436 /* mark the user as weak */
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	437 user->weak = TRUE;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	438 ret = TRUE;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	439 } else if (user->host != host) {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	440 /* non-weak user received a non-weak update with
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	441 conflicting host. this shouldn't happen. */
14303 d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	442 string_t *str = t_str_new(128);
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	443
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	444 str_printfa(str, "User hash %u "
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	445 "is being redirected to two hosts: %s and %s",
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	446 username_hash, net_ip2addr(&user->host->ip),
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	447 net_ip2addr(&host->ip));
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	448 str_printfa(str, " (old_ts=%ld", (long)user->timestamp);
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	449
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	450 if (!conn->handshake_received) {
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	451 str_printfa(str, ",handshaking,recv_ts=%ld",
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	452 (long)timestamp);
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	453 }
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	454 if (user->to_move != NULL)
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	455 str_append(str, ",moving");
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	456 if (user->kill_state == USER_KILL_STATE_NONE)
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	457 str_printfa(str, ",kill_state=%d", user->kill_state);
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	458 str_append_c(str, ')');
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	459 i_error("%s", str_c(str));
11581 ecf195115922 director: If same user gets redirected to two hosts, don't crash later. Timo Sirainen <tss@iki.fi> parents: 11579 diff changeset	460
11585 f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	461 /* we want all the directors to redirect the user to same
f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	462 server, but we don't want two directors fighting over which
f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	463 server it belongs to, so always use the lower IP address */
f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	464 if (net_ip_cmp(&user->host->ip, &host->ip) > 0) {
f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	465 /* change the host. we'll also need to remove the user
f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	466 from the old host's user_count, because we can't
f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	467 keep track of the user for more than one host */
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	468 } else {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	469 /* keep the host */
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	470 host = user->host;
11585 f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	471 }
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	472 ret = TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	473 }
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	474 if (user->host != host) {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	475 user->host->user_count--;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	476 user->host = host;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	477 user->host->user_count++;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	478 ret = TRUE;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	479 }
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	480 if (timestamp == ioloop_time && (time_t)user->timestamp != timestamp) {
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	481 user_directory_refresh(dir->users, user);
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	482 ret = TRUE;
d048cebc1fd4 director: Add more info to "User hash .. is being redirected to two hosts" error. Timo Sirainen <tss@iki.fi> parents: 14133 diff changeset	483 }
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	484
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	485 if (unset_weak_user) {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	486 /* user is no longer weak. handle pending requests for
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	487 this user if there are any */
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	488 director_set_state_changed(conn->dir);
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	489 }
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	490
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	491 *user_r = user;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	492 return ret;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	493 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	494
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	495 static bool
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	496 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	497 const char const args)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	498 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	499 unsigned int username_hash, timestamp;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	500 struct ip_addr ip;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	501 struct mail_host *host;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	502 struct user *user;
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	503 bool weak;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	504
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	505 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	506 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	507 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	508 str_to_uint(args[2], &timestamp) < 0) {
14407 d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	509 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	510 return FALSE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	511 }
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	512 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	513
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	514 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	515 if (host == NULL) {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	516 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	517 conn->name, args[1]);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	518 return FALSE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	519 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	520
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	521 director_user_refresh(conn, username_hash, host, timestamp, weak, &user);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	522 return TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	523 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	524
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	525 static bool
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	526 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	527 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	528 {
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	529 unsigned int username_hash;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	530 struct ip_addr ip;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	531 struct mail_host *host;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	532 struct user *user;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	533
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	534 /* NOTE: if more parameters are added, update also
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	535 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	536 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	537 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	538 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	539 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	540 return FALSE;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	541 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	542
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	543 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	544 if (host == NULL) {
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	545 /* 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	546 return TRUE;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	547 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	548
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	549 if (director_user_refresh(conn, username_hash,
14468 0b4295b48941 director: Optimized adding users to linked list during handshake. Timo Sirainen <tss@iki.fi> parents: 14467 diff changeset	550 host, (time_t)-1, FALSE, &user)) {
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	551 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	552 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	553 }
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	554 return TRUE;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	555 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	556
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	557 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	558 const char const args)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	559 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	560 struct director_host *host;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	561 struct ip_addr ip;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	562 unsigned int port;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	563
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	564 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	565 return FALSE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	566
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	567 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	568 if (host != NULL) {
14432 366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	569 /* 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	570 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	571 host->last_network_failure = 0;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	572 return TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	573 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	574
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	575 /* save the director and forward it */
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	576 director_host_add(conn->dir, &ip, port);
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	577 director_update_send(conn->dir, director_connection_get_host(conn),
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	578 t_strdup_printf("DIRECTOR\t%s\t%u\n", net_ip2addr(&ip), port));
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	579 return TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	580 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	581
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	582 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	583 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	584 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	585 {
5f77c91f3df0 director: Preserve old mail server state when a new director connects to ring. Timo Sirainen <tss@iki.fi> parents: 11349 diff changeset	586 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	587 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	588 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	589
14407 d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	590 if (args[0] == NULL \|\|
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	591 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	592 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	593 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	594 }
5f77c91f3df0 director: Preserve old mail server state when a new director connects to ring. Timo Sirainen <tss@iki.fi> parents: 11349 diff changeset	595
5f77c91f3df0 director: Preserve old mail server state when a new director connects to ring. Timo Sirainen <tss@iki.fi> parents: 11349 diff changeset	596 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	597 /* 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	598 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	599 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	600 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	601 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	602 }
5f77c91f3df0 director: Preserve old mail server state when a new director connects to ring. Timo Sirainen <tss@iki.fi> parents: 11349 diff changeset	603 } 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	604 /* 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	605 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	606 }
11585 f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	607 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	608 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	609 }
5f77c91f3df0 director: Preserve old mail server state when a new director connects to ring. Timo Sirainen <tss@iki.fi> parents: 11349 diff changeset	610
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	611 static int
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	612 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	613 const char const *_args,
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	614 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	615 {
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	616 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	617 struct ip_addr ip;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	618 unsigned int port, seq;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	619 struct director_host *host;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	620
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	621 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	622 net_addr2ip(args[0], &ip) < 0 \|\|
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	623 str_to_uint(args[1], &port) < 0 \|\|
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	624 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	625 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	626 return -1;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	627 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	628 *_args = args + 3;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	629
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	630 host = director_host_lookup(conn->dir, &ip, port);
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	631 if (host == NULL) {
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	632 /* 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	633 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	634 ourself. */
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	635 *host_r = NULL;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	636 } else {
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	637 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	638 /* already seen this */
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	639 return 1;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	640 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	641 *host_r = host;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	642 host->last_seq = seq;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	643 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	644 return 0;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	645 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	646
11350 5f77c91f3df0 director: Preserve old mail server state when a new director connects to ring. Timo Sirainen <tss@iki.fi> parents: 11349 diff changeset	647 static bool
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	648 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	649 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	650 {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	651 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	652 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	653 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	654 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	655 struct user *user;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	656 struct director_host *src_host = conn->host;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	657 bool weak = TRUE;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	658 int ret;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	659
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	660 if ((ret = director_cmd_is_seen(conn, &args, &dir_host)) < 0)
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	661 return FALSE;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	662
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	663 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	664 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	665 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	666 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	667 return FALSE;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	668 }
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	669
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	670 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	671 if (host == NULL) {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	672 /* 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	673 return TRUE;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	674 }
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	675
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	676 if (ret > 0) {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	677 /* The entire ring has seen this USER-WEAK.
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	678 make it non-weak now. */
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	679 weak = FALSE;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	680 src_host = conn->dir->self_host;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	681 }
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	682
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	683 if (director_user_refresh(conn, username_hash,
14468 0b4295b48941 director: Optimized adding users to linked list during handshake. Timo Sirainen <tss@iki.fi> parents: 14467 diff changeset	684 host, (time_t)-1, weak, &user)) {
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	685 if (!user->weak)
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	686 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	687 else {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	688 director_update_user_weak(conn->dir, src_host,
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	689 dir_host, user);
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	690 }
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	691 }
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	692 return TRUE;
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	693 }
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	694
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	695 static bool
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	696 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	697 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	698 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	699 struct mail_host *host;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	700 struct ip_addr ip;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	701 unsigned int vhost_count;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	702 bool update;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	703
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	704 if (str_array_length(args) != 2 \|\|
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	705 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	706 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	707 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	708 return FALSE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	709 }
11350 5f77c91f3df0 director: Preserve old mail server state when a new director connects to ring. Timo Sirainen <tss@iki.fi> parents: 11349 diff changeset	710 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	711 /* 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	712 a completed ring and we do. */
11585 f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	713 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	714 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	715 }
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	716
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	717 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	718 if (host == NULL) {
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	719 host = mail_host_add_ip(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	720 update = TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	721 } else {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	722 update = host->vhost_count != vhost_count;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	723 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	724
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	725 if (update) {
11585 f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	726 mail_host_set_vhost_count(conn->dir->mail_hosts,
f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	727 host, vhost_count);
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	728 director_update_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	729 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	730 return TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	731 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	732
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	733 static bool
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	734 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	735 const char const args)
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	736 {
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	737 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	738 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	739
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	740 static bool
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	741 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	742 {
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	743 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	744 int ret;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	745
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	746 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	747 return ret > 0;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	748 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	749 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	750
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	751 static bool
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	752 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	753 const char const args)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	754 {
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	755 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	756 struct mail_host *host;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	757 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	758 int ret;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	759
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	760 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	761 return ret > 0;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	762
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	763 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	764 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	765 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	766 return FALSE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	767 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	768
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	769 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	770 if (host != NULL)
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	771 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	772 return TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	773 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	774
11355 ef1de95396d4 Added doveadm director flush command for dropping user associations from memory. Timo Sirainen <tss@iki.fi> parents: 11352 diff changeset	775 static bool
ef1de95396d4 Added doveadm director flush command for dropping user associations from memory. Timo Sirainen <tss@iki.fi> parents: 11352 diff changeset	776 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	777 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	778 {
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	779 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	780 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	781 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	782 int ret;
11355 ef1de95396d4 Added doveadm director flush command for dropping user associations from memory. Timo Sirainen <tss@iki.fi> parents: 11352 diff changeset	783
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	784 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	785 return ret > 0;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	786
11816 9e41df232dd6 director: Fixed handling HOST-FLUSH commands. Timo Sirainen <tss@iki.fi> parents: 11758 diff changeset	787 if (str_array_length(args) != 1 \|\|
9e41df232dd6 director: Fixed handling HOST-FLUSH commands. Timo Sirainen <tss@iki.fi> parents: 11758 diff changeset	788 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	789 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	790 return FALSE;
ef1de95396d4 Added doveadm director flush command for dropping user associations from memory. Timo Sirainen <tss@iki.fi> parents: 11352 diff changeset	791 }
ef1de95396d4 Added doveadm director flush command for dropping user associations from memory. Timo Sirainen <tss@iki.fi> parents: 11352 diff changeset	792
ef1de95396d4 Added doveadm director flush command for dropping user associations from memory. Timo Sirainen <tss@iki.fi> parents: 11352 diff changeset	793 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	794 if (host != NULL)
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	795 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	796 return TRUE;
ef1de95396d4 Added doveadm director flush command for dropping user associations from memory. Timo Sirainen <tss@iki.fi> parents: 11352 diff changeset	797 }
ef1de95396d4 Added doveadm director flush command for dropping user associations from memory. Timo Sirainen <tss@iki.fi> parents: 11352 diff changeset	798
13045 79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	799 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	800 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	801 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	802 {
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	803 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	804 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	805 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	806 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	807 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	808
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	809 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	810 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	811
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	812 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	813 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	814 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	815 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	816 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	817 }
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	818
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	819 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	820 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	821 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	822 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	823 }
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	824 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	825 }
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	826
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	827 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	828 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	829 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	830 {
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	831 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	832
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	833 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	834 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	835 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	836 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	837 }
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	838
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	839 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	840 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	841 }
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	842
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	843 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	844 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	845 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	846 {
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	847 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	848 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	849 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	850
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	851 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	852 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	853
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	854 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	855 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	856 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	857 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	858 }
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	859
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	860 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	861 dir_host, username_hash);
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	862 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	863 }
79f9dce5d5fd director: Added support for moving user to another server with "doveadm director move". Timo Sirainen <tss@iki.fi> parents: 12935 diff changeset	864
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	865 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	866 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	867 struct director *dir = conn->dir;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	868
11579 61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	869 if (dir->debug)
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	870 i_debug("Handshaked to %s", conn->host->name);
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	871
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	872 /* 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	873 if needed */
14432 366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	874 conn->host->last_network_failure = 0;
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	875
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	876 conn->handshake_received = TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	877 if (conn->in) {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	878 /* 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	879 whole handshake. */
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	880 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	881
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	882 /* 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	883 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	884 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	885 net_ip2addr(&conn->host->ip),
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	886 conn->host->port));
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	887 /* this is our "left" side. */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	888 return director_connection_assign_left(conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	889 } else {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	890 /* handshaked to "right" side. */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	891 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	892 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	893 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	894
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	895 static int
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	896 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	897 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	898 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	899 /* 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	900 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	901 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	902 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	903 "(%s vs %s)",
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	904 conn->name, args[0], DIRECTOR_VERSION_NAME);
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	905 return -1;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	906 } else if (atoi(args[1]) != DIRECTOR_VERSION_MAJOR) {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	907 i_error("director(%s): Incompatible protocol version: "
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	908 "%u vs %u", conn->name, atoi(args[1]),
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	909 DIRECTOR_VERSION_MAJOR);
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	910 return -1;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	911 }
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	912 conn->minor_version = atoi(args[2]);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	913 conn->version_received = TRUE;
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	914 return 1;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	915 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	916 if (!conn->version_received) {
14407 d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	917 director_cmd_error(conn, "Incompatible protocol");
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	918 return -1;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	919 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	920
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	921 if (strcmp(cmd, "ME") == 0)
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	922 return director_cmd_me(conn, args) ? 1 : -1;
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	923 if (!conn->me_received) {
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	924 director_cmd_error(conn, "Expecting ME command first");
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	925 return -1;
11585 f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	926 }
11350 5f77c91f3df0 director: Preserve old mail server state when a new director connects to ring. Timo Sirainen <tss@iki.fi> parents: 11349 diff changeset	927
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	928 /* incoming connections get a HOST list */
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	929 if (conn->handshake_sending_hosts) {
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	930 if (strcmp(cmd, "HOST") == 0)
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	931 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	932 if (strcmp(cmd, "HOST-HAND-END") == 0) {
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	933 conn->ignore_host_events = FALSE;
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	934 conn->handshake_sending_hosts = FALSE;
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	935 return 1;
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	936 }
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	937 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	938 return -1;
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	939 }
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	940 if (strcmp(cmd, "HOST-HAND-START") == 0) {
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	941 if (!conn->in) {
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	942 director_cmd_error(conn,
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	943 "Host list is only for incoming connections");
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	944 return -1;
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	945 }
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	946 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	947 }
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	948
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	949 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	950 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	951
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	952 /* both get DONE */
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	953 if (strcmp(cmd, "DONE") == 0)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	954 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	955 return 0;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	956 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	957
13940 9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	958 static void
9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	959 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	960 struct director_host *host,
14306 334424e7465e director: Keep track of the highest supported protocol version in the ring. Timo Sirainen <tss@iki.fi> parents: 14303 diff changeset	961 uint32_t seq, unsigned int 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	962 {
9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	963 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	964
14306 334424e7465e director: Keep track of the highest supported protocol version in the ring. Timo Sirainen <tss@iki.fi> parents: 14303 diff changeset	965 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	966 /* 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	967 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	968 }
334424e7465e director: Keep track of the highest supported protocol version in the ring. Timo Sirainen <tss@iki.fi> parents: 14303 diff changeset	969
13940 9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	970 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	971 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	972 /* stale SYNC event */
9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	973 return;
9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	974 }
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	975 /* 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	976 successfully connected to both directions */
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	977 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	978
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	979 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	980 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	981 /* 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	982 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	983 } 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	984 /* 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	985 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	986 } else {
9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	987 if (dir->debug) {
9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	988 i_debug("Ring is synced (%s sent seq=%u)",
9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	989 conn->name, seq);
9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	990 }
9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	991 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	992 }
14306 334424e7465e director: Keep track of the highest supported protocol version in the ring. Timo Sirainen <tss@iki.fi> parents: 14303 diff changeset	993 } else if (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	994 /* forward it to the connection on right */
14306 334424e7465e director: Keep track of the highest supported protocol version in the ring. Timo Sirainen <tss@iki.fi> parents: 14303 diff changeset	995 director_sync_send(dir, host, seq, 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	996 }
9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	997 }
9e43af01f147 director: Make sure ring syncing doesn't get lost when directors get disconnected. Timo Sirainen <tss@iki.fi> parents: 13921 diff changeset	998
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	999 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	1000 const char const args)
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1001 {
11585 f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	1002 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	1003 struct director_host *host;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1004 struct ip_addr ip;
14306 334424e7465e director: Keep track of the highest supported protocol version in the ring. Timo Sirainen <tss@iki.fi> parents: 14303 diff changeset	1005 unsigned int port, seq, minor_version = 0;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1006
14306 334424e7465e director: Keep track of the highest supported protocol version in the ring. Timo Sirainen <tss@iki.fi> parents: 14303 diff changeset	1007 if (str_array_length(args) < 3 \|\|
12208 a224997afefd director: Properly detect invalid command parameters in director<->director connections. Timo Sirainen <tss@iki.fi> parents: 12065 diff changeset	1008 !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	1009 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	1010 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	1011 return FALSE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1012 }
14306 334424e7465e director: Keep track of the highest supported protocol version in the ring. Timo Sirainen <tss@iki.fi> parents: 14303 diff changeset	1013 if (args[3] != NULL)
334424e7465e director: Keep track of the highest supported protocol version in the ring. Timo Sirainen <tss@iki.fi> parents: 14303 diff changeset	1014 minor_version = atoi(args[3]);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1015
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1016 /* 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	1017 removed and we can ignore this sync. */
11585 f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	1018 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	1019 if (host != NULL) {
334424e7465e director: Keep track of the highest supported protocol version in the ring. Timo Sirainen <tss@iki.fi> parents: 14303 diff changeset	1020 director_connection_sync_host(conn, host, seq,
334424e7465e director: Keep track of the highest supported protocol version in the ring. Timo Sirainen <tss@iki.fi> parents: 14303 diff changeset	1021 minor_version);
334424e7465e director: Keep track of the highest supported protocol version in the ring. Timo Sirainen <tss@iki.fi> parents: 14303 diff changeset	1022 }
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1023
13941 493ebb2cfc73 director: Added timeout to syncing to make sure we don't hang if it somehow gets lost. Timo Sirainen <tss@iki.fi> parents: 13940 diff changeset	1024 if (host == NULL \|\| !host->self)
493ebb2cfc73 director: Added timeout to syncing to make sure we don't hang if it somehow gets lost. Timo Sirainen <tss@iki.fi> parents: 13940 diff changeset	1025 director_resend_sync(dir);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1026 return TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1027 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1028
11571 75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1029 static bool director_cmd_connect(struct director_connection *conn,
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1030 const char const args)
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1031 {
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1032 struct director *dir = conn->dir;
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1033 struct director_host *host;
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1034 struct ip_addr ip;
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1035 unsigned int port;
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1036
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1037 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	1038 !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	1039 director_cmd_error(conn, "Invalid parameters");
11571 75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1040 return FALSE;
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1041 }
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1042
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1043 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	1044 /* 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	1045 host->last_network_failure = 0;
11571 75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1046
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1047 /* remote suggests us to connect elsewhere */
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1048 if (dir->right != NULL &&
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1049 director_host_cmp_to_self(host, dir->right->host,
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1050 dir->self_host) <= 0) {
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1051 /* the old connection is the correct one */
11579 61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1052 if (dir->debug) {
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1053 i_debug("Ignoring CONNECT request to %s "
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1054 "(current right is %s)",
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1055 host->name, dir->right->name);
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1056 }
11571 75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1057 return TRUE;
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1058 }
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1059
11579 61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1060 if (dir->debug) {
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1061 if (dir->right == NULL) {
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1062 i_debug("Received CONNECT request to %s, "
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1063 "initializing right", host->name);
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1064 } else {
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1065 i_debug("Received CONNECT request to %s, "
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1066 "replacing current right %s",
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1067 host->name, dir->right->name);
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1068 }
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1069 }
61708c33154d director: Debug message improvements. Timo Sirainen <tss@iki.fi> parents: 11572 diff changeset	1070
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1071 /* connect here */
11571 75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1072 (void)director_connect_host(dir, host);
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1073 return TRUE;
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1074 }
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1075
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1076 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	1077 {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1078 struct director_connection const connp, *conn;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1079
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1080 array_foreach(&dir->connections, connp) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1081 conn = *connp;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1082
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1083 if (conn->in && conn != dir->left && conn->me_received &&
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1084 director_host_cmp_to_self(dir->left->host, conn->host,
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1085 dir->self_host) < 0) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1086 i_warning("Director connection %s tried to connect to "
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1087 "us, should use %s instead",
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1088 conn->name, dir->left->host->name);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1089 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	1090 director_connection_deinit(&conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1091 director_disconnect_wrong_lefts(dir);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1092 return;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1093 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1094 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1095 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1096
11586 e75dab14bb2f director: Send PINGs every 15 seconds for idling director connections. Timo Sirainen <tss@iki.fi> parents: 11585 diff changeset	1097 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	1098 {
e75dab14bb2f director: Send PINGs every 15 seconds for idling director connections. Timo Sirainen <tss@iki.fi> parents: 11585 diff changeset	1099 if (!conn->ping_waiting)
e75dab14bb2f director: Send PINGs every 15 seconds for idling director connections. Timo Sirainen <tss@iki.fi> parents: 11585 diff changeset	1100 return TRUE;
14405 168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1101 conn->ping_waiting = FALSE;
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1102 timeout_remove(&conn->to_pong);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1103
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1104 if (conn->verifying_left) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1105 conn->verifying_left = FALSE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1106 if (conn == conn->dir->left) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1107 /* 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	1108 incoming connections to connect to it instead. */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1109 director_disconnect_wrong_lefts(conn->dir);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1110 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1111 }
11586 e75dab14bb2f director: Send PINGs every 15 seconds for idling director connections. Timo Sirainen <tss@iki.fi> parents: 11585 diff changeset	1112
14405 168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1113 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	1114 return TRUE;
e75dab14bb2f director: Send PINGs every 15 seconds for idling director connections. Timo Sirainen <tss@iki.fi> parents: 11585 diff changeset	1115 }
e75dab14bb2f director: Send PINGs every 15 seconds for idling director connections. Timo Sirainen <tss@iki.fi> parents: 11585 diff changeset	1116
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1117 static bool
14407 d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1118 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	1119 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	1120 {
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1121 int ret;
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1122
11327 9d886ae434c3 director: If connecting to director fails, try connecting to next one. Timo Sirainen <tss@iki.fi> parents: 11321 diff changeset	1123 if (!conn->handshake_received) {
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1124 ret = director_connection_handle_handshake(conn, cmd, args);
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1125 if (ret > 0)
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1126 return TRUE;
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1127 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	1128 /* 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	1129 we probably don't want to reconnect here */
12935 e9139f74c451 director: Improved debug/error logging. Timo Sirainen <tss@iki.fi> parents: 12934 diff changeset	1130 if (conn->dir->debug) {
e9139f74c451 director: Improved debug/error logging. Timo Sirainen <tss@iki.fi> parents: 12934 diff changeset	1131 i_debug("director(%s): Handshaking failed",
e9139f74c451 director: Improved debug/error logging. Timo Sirainen <tss@iki.fi> parents: 12934 diff changeset	1132 conn->host->name);
e9139f74c451 director: Improved debug/error logging. Timo Sirainen <tss@iki.fi> parents: 12934 diff changeset	1133 }
11327 9d886ae434c3 director: If connecting to director fails, try connecting to next one. Timo Sirainen <tss@iki.fi> parents: 11321 diff changeset	1134 return FALSE;
9d886ae434c3 director: If connecting to director fails, try connecting to next one. Timo Sirainen <tss@iki.fi> parents: 11321 diff changeset	1135 }
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1136 /* 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	1137 }
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1138
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1139 if (strcmp(cmd, "PING") == 0) {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1140 director_connection_send(conn, "PONG\n");
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1141 return TRUE;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1142 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1143 if (strcmp(cmd, "PONG") == 0)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1144 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	1145 if (strcmp(cmd, "USER") == 0)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1146 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	1147 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	1148 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	1149 if (strcmp(cmd, "HOST") == 0)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1150 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	1151 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	1152 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	1153 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	1154 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	1155 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	1156 return director_cmd_user_move(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	1157 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	1158 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	1159 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	1160 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	1161 if (strcmp(cmd, "DIRECTOR") == 0)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1162 return director_cmd_director(conn, args);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1163 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	1164 return director_connection_sync(conn, args);
11571 75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1165 if (strcmp(cmd, "CONNECT") == 0)
75d5e31ea8cc director: Handle CONNECT commands (properly). Timo Sirainen <tss@iki.fi> parents: 11569 diff changeset	1166 return director_cmd_connect(conn, args);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1167
14407 d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1168 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	1169 return FALSE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1170 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1171
14407 d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1172 static bool
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1173 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	1174 const char *line)
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1175 {
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1176 const char cmd, const *args;
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1177 bool ret;
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1178
14471 fc8031c5e691 Use t_strsplit_tab() wherever possible Timo Sirainen <tss@iki.fi> parents: 14468 diff changeset	1179 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	1180 cmd = args[0]; args++;
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1181 if (cmd == NULL) {
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1182 i_error("director(%s): Received empty line", conn->name);
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1183 return FALSE;
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1184 }
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1185
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1186 conn->cur_cmd = cmd;
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1187 conn->cur_line = line;
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1188 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	1189 conn->cur_cmd = NULL;
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1190 conn->cur_line = NULL;
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1191 return ret;
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1192 }
d6cd93e32b37 director: Improved error logging for handling invalid commands/parameters. Timo Sirainen <tss@iki.fi> parents: 14406 diff changeset	1193
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1194 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	1195 {
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1196 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	1197 char *line;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1198 bool ret;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1199
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1200 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	1201 case 0:
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1202 return;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1203 case -1:
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1204 /* disconnected */
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1205 i_error("Director %s disconnected%s", conn->name,
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1206 conn->handshake_received ? "" :
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1207 " before handshake finished");
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1208 director_connection_disconnected(&conn);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1209 return;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1210 case -2:
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1211 /* buffer full */
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1212 i_error("BUG: Director %s sent us more than %d bytes",
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1213 conn->name, MAX_INBUF_SIZE);
14432 366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1214 director_connection_protocol_error(&conn);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1215 return;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1216 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1217
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1218 director_sync_freeze(dir);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1219 while ((line = i_stream_next_line(conn->input)) != NULL) {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1220 T_BEGIN {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1221 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	1222 } T_END;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1223
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1224 if (!ret) {
12935 e9139f74c451 director: Improved debug/error logging. Timo Sirainen <tss@iki.fi> parents: 12934 diff changeset	1225 if (dir->debug) {
e9139f74c451 director: Improved debug/error logging. Timo Sirainen <tss@iki.fi> parents: 12934 diff changeset	1226 i_debug("director(%s): Invalid input, disconnecting",
e9139f74c451 director: Improved debug/error logging. Timo Sirainen <tss@iki.fi> parents: 12934 diff changeset	1227 conn->name);
e9139f74c451 director: Improved debug/error logging. Timo Sirainen <tss@iki.fi> parents: 12934 diff changeset	1228 }
14432 366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1229 director_connection_protocol_error(&conn);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1230 break;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1231 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1232 }
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1233 director_sync_thaw(dir);
14405 168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1234 if (conn != NULL)
168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1235 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	1236 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1237
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1238 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	1239 string_t *str)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1240 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1241 struct director_host const hostp;
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 array_foreach(&conn->dir->dir_hosts, hostp) {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1244 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	1245 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	1246 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1247 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1248
11350 5f77c91f3df0 director: Preserve old mail server state when a new director connects to ring. Timo Sirainen <tss@iki.fi> parents: 11349 diff changeset	1249 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	1250 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	1251 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1252 struct mail_host const hostp;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	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 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	1255 array_foreach(mail_hosts_get(conn->dir->mail_hosts), hostp) {
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1256 str_printfa(str, "HOST\t%s\t%u\n",
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1257 net_ip2addr(&(hostp)->ip), (hostp)->vhost_count);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1258 }
11350 5f77c91f3df0 director: Preserve old mail server state when a new director connects to ring. Timo Sirainen <tss@iki.fi> parents: 11349 diff changeset	1259 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	1260 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1261
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1262 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	1263 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1264 struct user *user;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1265 int ret;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1266
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1267 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	1268 T_BEGIN {
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	1269 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	1270
14310 7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	1271 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	1272 user->username_hash,
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	1273 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	1274 user->timestamp);
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	1275 if (user->weak)
7a26c427fc78 director: Avoid user getting redirected to different servers near its expiration. Timo Sirainen <tss@iki.fi> parents: 14306 diff changeset	1276 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	1277 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	1278 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	1279 } T_END;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1280
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1281 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	1282 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	1283 /* continue later */
14405 168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1284 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	1285 return ret;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1286 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1287 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1288 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1289 user_directory_iter_deinit(&conn->user_iter);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1290 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	1291
14475 9ef4dee0792f director: Reverted previous change, it didn't work properly. Timo Sirainen <tss@iki.fi> parents: 14474 diff changeset	1292 i_assert(conn->io == NULL);
9ef4dee0792f director: Reverted previous change, it didn't work properly. Timo Sirainen <tss@iki.fi> parents: 14474 diff changeset	1293 conn->io = io_add(conn->fd, IO_READ, director_connection_input, conn);
9ef4dee0792f director: Reverted previous change, it didn't work properly. Timo Sirainen <tss@iki.fi> parents: 14474 diff changeset	1294
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1295 ret = o_stream_flush(conn->output);
14405 168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1296 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	1297 return ret;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1298 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1299
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1300 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	1301 {
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1302 int ret;
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1303
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1304 if (conn->user_iter != NULL) {
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1305 /* still handshaking USER list */
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1306 o_stream_cork(conn->output);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1307 ret = director_connection_send_users(conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1308 o_stream_uncork(conn->output);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1309 if (ret < 0)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1310 director_connection_disconnected(&conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1311 return ret;
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1312 }
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1313 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	1314 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1315
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1316 static struct director_connection *
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1317 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	1318 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1319 struct director_connection *conn;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1320
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1321 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	1322 conn->created = ioloop_time;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1323 conn->fd = fd;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1324 conn->dir = dir;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1325 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	1326 conn->output = o_stream_create_fd(conn->fd, MAX_OUTBUF_SIZE, FALSE);
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1327 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	1328 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	1329 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	1330 return conn;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1331 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1332
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1333 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	1334 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1335 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	1336 "VERSION\t"DIRECTOR_VERSION_NAME"\t%u\t%u\n"
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1337 "ME\t%s\t%u\n",
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1338 DIRECTOR_VERSION_MAJOR, DIRECTOR_VERSION_MINOR,
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1339 net_ip2addr(&conn->dir->self_ip), conn->dir->self_port));
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1340 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1341
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1342 struct director_connection *
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1343 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	1344 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	1345 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1346 struct director_connection *conn;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1347
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1348 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	1349 conn->in = TRUE;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1350 conn->connected = TRUE;
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1351 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	1352 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	1353
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1354 director_connection_send_handshake(conn);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1355 return conn;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1356 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1357
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1358 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	1359 {
11327 9d886ae434c3 director: If connecting to director fails, try connecting to next one. Timo Sirainen <tss@iki.fi> parents: 11321 diff changeset	1360 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	1361 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	1362 int err;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1363
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1364 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	1365 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	1366 strerror(err));
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1367 director_connection_disconnected(&conn);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1368 return;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1369 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1370 conn->connected = TRUE;
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1371 o_stream_set_flush_callback(conn->output,
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1372 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	1373
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1374 io_remove(&conn->io);
14477 ea5b949a623b director: Increased timeout for sending USER data in handshake. Timo Sirainen <tss@iki.fi> parents: 14476 diff changeset	1375 timeout_remove(&conn->to_ping);
ea5b949a623b director: Increased timeout for sending USER data in handshake. Timo Sirainen <tss@iki.fi> parents: 14476 diff changeset	1376 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	1377 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	1378
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1379 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	1380 director_connection_send_handshake(conn);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1381 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	1382 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	1383 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	1384
11327 9d886ae434c3 director: If connecting to director fails, try connecting to next one. Timo Sirainen <tss@iki.fi> parents: 11321 diff changeset	1385 conn->user_iter = user_directory_iter_init(dir->users);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1386 (void)director_connection_send_users(conn);
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1387 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	1388 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1389
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1390 struct director_connection *
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1391 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	1392 struct director_host *host)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1393 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1394 struct director_connection *conn;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1395
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1396 /* make sure we don't keep old sequence values across restarts */
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1397 host->last_seq = 0;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1398
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1399 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	1400 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	1401 conn->host = host;
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1402 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	1403 director_connection_connected, conn);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1404 return conn;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1405 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1406
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1407 void director_connection_deinit(struct director_connection **_conn)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1408 {
14406 c760ac046203 director: List of director connections belongs to struct director. Timo Sirainen <tss@iki.fi> parents: 14405 diff changeset	1409 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	1410 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	1411 unsigned int i, count;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1412
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1413 *_conn = NULL;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1414
12935 e9139f74c451 director: Improved debug/error logging. Timo Sirainen <tss@iki.fi> parents: 12934 diff changeset	1415 if (dir->debug && conn->host != NULL)
e9139f74c451 director: Improved debug/error logging. Timo Sirainen <tss@iki.fi> parents: 12934 diff changeset	1416 i_debug("Disconnecting from %s", conn->host->name);
e9139f74c451 director: Improved debug/error logging. Timo Sirainen <tss@iki.fi> parents: 12934 diff changeset	1417
14406 c760ac046203 director: List of director connections belongs to struct director. Timo Sirainen <tss@iki.fi> parents: 14405 diff changeset	1418 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	1419 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	1420 if (conns[i] == conn) {
c760ac046203 director: List of director connections belongs to struct director. Timo Sirainen <tss@iki.fi> parents: 14405 diff changeset	1421 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	1422 break;
c760ac046203 director: List of director connections belongs to struct director. Timo Sirainen <tss@iki.fi> parents: 14405 diff changeset	1423 }
c760ac046203 director: List of director connections belongs to struct director. Timo Sirainen <tss@iki.fi> parents: 14405 diff changeset	1424 }
c760ac046203 director: List of director connections belongs to struct director. Timo Sirainen <tss@iki.fi> parents: 14405 diff changeset	1425 i_assert(i < count);
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1426 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	1427 dir->left = NULL;
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1428 /* 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	1429 use it as the new "left" */
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1430 director_assign_left(dir);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1431 }
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1432 if (dir->right == conn)
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1433 dir->right = NULL;
11572 659bb1a26da4 director: Added initial testing framework and some debugging output. Timo Sirainen <tss@iki.fi> parents: 11571 diff changeset	1434
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1435 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	1436 user_directory_iter_deinit(&conn->user_iter);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1437 if (conn->to != NULL)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1438 timeout_remove(&conn->to);
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1439 if (conn->to_pong != NULL)
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1440 timeout_remove(&conn->to_pong);
14405 168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1441 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	1442 if (conn->io != NULL)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1443 io_remove(&conn->io);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1444 i_stream_unref(&conn->input);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1445 o_stream_unref(&conn->output);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1446 if (close(conn->fd) < 0)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1447 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	1448
467ca06a7dbe director: Outgoing director connections shouldn't be counted as master clients. Timo Sirainen <tss@iki.fi> parents: 11373 diff changeset	1449 if (conn->in)
467ca06a7dbe director: Outgoing director connections shouldn't be counted as master clients. Timo Sirainen <tss@iki.fi> parents: 11373 diff changeset	1450 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	1451 i_free(conn->name);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1452 i_free(conn);
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1453
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1454 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	1455 /* 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	1456 dir->sync_seq++;
13921 c70965e8b27d director: If request is timed out, log an error. Timo Sirainen <tss@iki.fi> parents: 13053 diff changeset	1457 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	1458 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1459 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1460
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1461 void director_connection_disconnected(struct director_connection **_conn)
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1462 {
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1463 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	1464 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	1465
14432 366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1466 if (conn->created + DIRECTOR_SUCCESS_MIN_CONNECT_SECS > ioloop_time) {
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1467 /* 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	1468 network problem */
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1469 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	1470 }
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1471
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1472 director_connection_deinit(_conn);
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1473 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	1474 director_connect(dir);
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1475 }
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1476
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1477 void director_connection_protocol_error(struct director_connection **_conn)
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1478 {
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1479 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	1480 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	1481
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1482 conn->host->last_protocol_failure = ioloop_time;
366b9e5fc85c director: Don't communicate with directors that recently sent invalid input. Timo Sirainen <tss@iki.fi> parents: 14431 diff changeset	1483
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1484 director_connection_deinit(_conn);
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1485 if (dir->right == NULL)
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1486 director_connect(dir);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1487 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1488
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1489 static void director_connection_timeout(struct director_connection *conn)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1490 {
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1491 director_connection_disconnected(&conn);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1492 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1493
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1494 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	1495 const char *data)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1496 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1497 unsigned int len = strlen(data);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1498 off_t ret;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1499
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1500 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	1501 return;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1502
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1503 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	1504 if (ret != (off_t)len) {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1505 if (ret < 0)
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1506 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	1507 else {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1508 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	1509 "disconnecting", conn->name);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1510 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1511 o_stream_close(conn->output);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1512 conn->to = timeout_add(0, director_connection_timeout, conn);
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1513 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1514 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1515
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1516 static void
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1517 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	1518 {
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1519 i_error("director(%s): Ping timed out, disconnecting", conn->name);
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1520 director_connection_disconnected(&conn);
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1521 }
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1522
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1523 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	1524 {
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1525 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	1526 "input keeps coming, disconnecting", conn->name);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1527 director_connection_disconnected(&conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1528 }
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1529
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1530 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	1531 {
11586 e75dab14bb2f director: Send PINGs every 15 seconds for idling director connections. Timo Sirainen <tss@iki.fi> parents: 11585 diff changeset	1532 if (conn->ping_waiting)
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1533 return;
5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1534
14405 168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1535 timeout_remove(&conn->to_ping);
14409 b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1536 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	1537 director_connection_ping_idle_timeout, conn);
b43ae3805f5f director: Redesigned connection handling and error handling. Timo Sirainen <tss@iki.fi> parents: 14408 diff changeset	1538 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	1539 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	1540 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	1541 conn->ping_waiting = TRUE;
11321 5f350b5ff6d9 Added initial implementation of a director process (for NFS users). Timo Sirainen <tss@iki.fi> parents: diff changeset	1542 }
11585 f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	1543
f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	1544 const char director_connection_get_name(struct director_connection conn)
f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	1545 {
f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	1546 return conn->name;
f0fb8151c6b4 director: A lot of fixes. Timo Sirainen <tss@iki.fi> parents: 11581 diff changeset	1547 }
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1548
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1549 struct director_host *
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1550 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	1551 {
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1552 return conn->host;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1553 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1554
14408 544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1555 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	1556 {
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1557 return conn->handshake_received;
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1558 }
544a8c4705e5 director: Handle all commands during handshake. Timo Sirainen <tss@iki.fi> parents: 14407 diff changeset	1559
14406 c760ac046203 director: List of director connections belongs to struct director. Timo Sirainen <tss@iki.fi> parents: 14405 diff changeset	1560 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	1561 {
14406 c760ac046203 director: List of director connections belongs to struct director. Timo Sirainen <tss@iki.fi> parents: 14405 diff changeset	1562 return conn->in;
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1563 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1564
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	1565 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	1566 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	1567 {
084064444f89 director: Don't try to send the new SYNC parameter to old director versions. Timo Sirainen <tss@iki.fi> parents: 14409 diff changeset	1568 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	1569 }
084064444f89 director: Don't try to send the new SYNC parameter to old director versions. Timo Sirainen <tss@iki.fi> parents: 14409 diff changeset	1570
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1571 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	1572 {
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1573 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	1574 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1575
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1576 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	1577 {
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1578 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	1579 }
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1580
14405 168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1581 void director_connection_set_synced(struct director_connection *conn,
168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1582 bool synced)
11629 a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1583 {
14405 168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1584 if (conn->synced == synced)
168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1585 return;
168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1586 conn->synced = synced;
168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1587
168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1588 /* 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	1589 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	1590 return;
a07aa85f68c9 director: Lots of fixes. It should be pretty stable now. Timo Sirainen <tss@iki.fi> parents: 11598 diff changeset	1591
14405 168e3b5cb6e8 director: Changes to PING handling. Timo Sirainen <tss@iki.fi> parents: 14310 diff changeset	1592 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	1593 }

Mercurial > dovecot > core-2.2

annotate src/director/director-connection.c @ 14477:ea5b949a623b