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- Repair channels_rejoin_unavailable. Enabled by default,

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this retries joins that failed because of netsplits
  (channel temporarily unavailable (437), duplicate channel)
  A few servers abuse 437 for juped channels which should
  not be retried, you should disable channels_rejoin_unavailable
  if this is a problem.
- Display 437 and 407 numerics if channels_rejoin_unavailable
  is not enabled.

Bug #495


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@4537 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Jilles Tjoelker 2007-06-03 13:08:47 +00:00 committed by jilles
parent 273152762f
commit c0674522ae
2 changed files with 19 additions and 29 deletions
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20
src/irc/core/channel-events.c
View File

@ -60,7 +60,8 @@ static void irc_server_event(IRC_SERVER_REC *server, const char *line)
indicate that the join failed. */
params = event_get_params(line, 3, &numeric, NULL, &channel);
if (numeric[0] == '4')
/* 437 is handled specially in src/irc/core/channel-rejoin.c */
if (numeric[0] == '4' && (numeric[1] != '3' || numeric[2] != '7'))
check_join_failure(server, channel);
g_free(params);
@ -117,21 +118,6 @@ static void event_duplicate_channel(IRC_SERVER_REC *server, const char *data)
g_free(params);
}
static void event_target_unavailable(IRC_SERVER_REC *server, const char *data)
{
char *params, *channel;
g_return_if_fail(data != NULL);
params = event_get_params(data, 2, NULL, &channel);
if (ischannel(*channel)) {
/* channel is unavailable - try to join again a bit later */
check_join_failure(server, channel);
}
g_free(params);
}
static void channel_change_topic(IRC_SERVER_REC *server, const char *channel,
const char *topic, const char *setby,
time_t settime)
@ -385,7 +371,6 @@ void channel_events_init(void)
signal_add("event invite", (SIGNAL_FUNC) event_invite);
signal_add("event 332", (SIGNAL_FUNC) event_topic_get);
signal_add("event 333", (SIGNAL_FUNC) event_topic_info);
signal_add_first("event 437", (SIGNAL_FUNC) event_target_unavailable); /* channel/nick unavailable */
}
void channel_events_deinit(void)
@ -401,5 +386,4 @@ void channel_events_deinit(void)
signal_remove("event invite", (SIGNAL_FUNC) event_invite);
signal_remove("event 332", (SIGNAL_FUNC) event_topic_get);
signal_remove("event 333", (SIGNAL_FUNC) event_topic_info);
signal_remove("event 437", (SIGNAL_FUNC) event_target_unavailable); /* channel/nick unavailable */
}

28
src/irc/core/channel-rejoin.c
View File

@ -68,20 +68,23 @@ static REJOIN_REC *rejoin_find(IRC_SERVER_REC *server, const char *channel)
#define channel_have_key(chan) \
((chan) != NULL && (chan)->key != NULL && (chan)->key[0] != '\0')
static void channel_rejoin(IRC_SERVER_REC *server, const char *channel)
static int channel_rejoin(IRC_SERVER_REC *server, const char *channel)
{
IRC_CHANNEL_REC *chanrec;
REJOIN_REC *rec;
g_return_if_fail(IS_IRC_SERVER(server));
g_return_if_fail(channel != NULL);
if (!settings_get_bool("channels_rejoin_unavailable"))
return;
g_return_val_if_fail(IS_IRC_SERVER(server), 0);
g_return_val_if_fail(channel != NULL, 0);
chanrec = irc_channel_find(server, channel);
if (chanrec == NULL || chanrec->joined) return;
if (chanrec == NULL || chanrec->joined) return 0;
if (!settings_get_bool("channels_rejoin_unavailable")) {
chanrec->left = TRUE;
channel_destroy(CHANNEL(chanrec));
return 0;
}
rec = rejoin_find(server, channel);
if (rec != NULL) {
/* already exists */
@ -105,6 +108,7 @@ static void channel_rejoin(IRC_SERVER_REC *server, const char *channel)
chanrec->left = TRUE;
channel_destroy(CHANNEL(chanrec));
return 1;
}
static void event_duplicate_channel(IRC_SERVER_REC *server, const char *data)
@ -128,8 +132,9 @@ static void event_duplicate_channel(IRC_SERVER_REC *server, const char *data)
note that this same 407 is sent when trying to
create !!channel that already exists so we don't
want to try rejoining then. */
channel_rejoin(server, channel);
signal_stop();
if (channel_rejoin(server, channel)) {
signal_stop();
}
}
}
@ -152,8 +157,9 @@ static void event_target_unavailable(IRC_SERVER_REC *server, const char *data)
} else {
/* channel is unavailable - try to join again
a bit later */
channel_rejoin(server, channel);
signal_stop();
if (channel_rejoin(server, channel)) {
signal_stop();
}
}
}