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automatic converter to these settings later. Meanwhile you CVS users can fix your config files yourself :) Time settings allow using "days", "hours", "minutes", "seconds" and "milliseconds" or several of their abbreviations. For example "5d 4h 5msecs". Size settings allow using "gbytes", "mbytes", "kbytes" and "bytes" or their abbrevations. For example "5MB". Level settings are currently handled pretty much the way they were before. git-svn-id: http://svn.irssi.org/repos/irssi/trunk@3080 dbcabf3a-b0e7-0310-adc4-f8d773084564
140 lines
3.8 KiB
C
140 lines
3.8 KiB
C
/*
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lag.c : irssi
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Copyright (C) 1999 Timo Sirainen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "module.h"
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#include "signals.h"
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#include "misc.h"
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#include "settings.h"
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#include "irc-servers.h"
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#include "servers-redirect.h"
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static int timeout_tag;
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static void lag_get(IRC_SERVER_REC *server)
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{
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g_get_current_time(&server->lag_sent);
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server->lag_last_check = time(NULL);
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server_redirect_event(server, "ping", 1, NULL, FALSE,
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"lag ping error",
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"event pong", "lag pong", NULL);
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irc_send_cmdv(server, "PING %s", server->real_address);
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}
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/* we didn't receive PONG for some reason .. try again */
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static void lag_ping_error(IRC_SERVER_REC *server)
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{
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lag_get(server);
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}
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static void lag_event_pong(IRC_SERVER_REC *server, const char *data,
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const char *nick, const char *addr)
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{
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GTimeVal now;
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g_return_if_fail(data != NULL);
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if (server->lag_sent.tv_sec == 0) {
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/* not expecting lag reply.. */
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return;
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}
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g_get_current_time(&now);
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server->lag = (int) get_timeval_diff(&now, &server->lag_sent);
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memset(&server->lag_sent, 0, sizeof(server->lag_sent));
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signal_emit("server lag", 1, server);
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}
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static void sig_unknown_command(IRC_SERVER_REC *server, const char *data)
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{
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char *params, *cmd;
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g_return_if_fail(data != NULL);
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params = event_get_params(data, 2, NULL, &cmd);
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if (g_strcasecmp(cmd, "PING") == 0) {
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/* some servers have disabled PING command, don't bother
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trying alternative methods to detect lag with these
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servers. */
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server->disable_lag = TRUE;
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server->lag_sent.tv_sec = 0;
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server->lag = 0;
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}
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g_free(params);
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}
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static int sig_check_lag(void)
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{
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GSList *tmp, *next;
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time_t now;
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int lag_check_time, max_lag;
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lag_check_time = settings_get_time("lag_check_time")/1000;
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max_lag = settings_get_time("lag_max_before_disconnect")/1000;
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if (lag_check_time <= 0)
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return 1;
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now = time(NULL);
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for (tmp = servers; tmp != NULL; tmp = next) {
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IRC_SERVER_REC *rec = tmp->data;
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next = tmp->next;
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if (!IS_IRC_SERVER(rec) || rec->disable_lag)
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continue;
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if (rec->lag_sent.tv_sec != 0) {
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/* waiting for lag reply */
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if (max_lag > 1 && now-rec->lag_sent.tv_sec > max_lag) {
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/* too much lag, disconnect */
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signal_emit("server lag disconnect", 1, rec);
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rec->connection_lost = TRUE;
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server_disconnect((SERVER_REC *) rec);
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}
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} else if (rec->lag_last_check+lag_check_time < now &&
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rec->cmdcount == 0 && rec->connected) {
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/* no commands in buffer - get the lag */
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lag_get(rec);
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}
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}
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return 1;
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}
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void lag_init(void)
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{
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settings_add_time("misc", "lag_check_time", "1min");
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settings_add_time("misc", "lag_max_before_disconnect", "5min");
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timeout_tag = g_timeout_add(1000, (GSourceFunc) sig_check_lag, NULL);
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signal_add_first("lag pong", (SIGNAL_FUNC) lag_event_pong);
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signal_add("lag ping error", (SIGNAL_FUNC) lag_ping_error);
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signal_add("event 421", (SIGNAL_FUNC) sig_unknown_command);
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}
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void lag_deinit(void)
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{
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g_source_remove(timeout_tag);
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signal_remove("lag pong", (SIGNAL_FUNC) lag_event_pong);
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signal_remove("lag ping error", (SIGNAL_FUNC) lag_ping_error);
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signal_remove("event 421", (SIGNAL_FUNC) sig_unknown_command);
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}
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