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/*
server-idle.c : irssi
Copyright (C) 1999-2000 Timo Sirainen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "module.h"
#include "signals.h"
#include "irc-servers.h"
#include "servers-idle.h"
#include "servers-redirect.h"
typedef struct {
char *cmd;
char *arg;
int tag;
char *redirect_cmd;
int count;
int remote;
char *failure_signal;
GSList *redirects;
} SERVER_IDLE_REC;
static int idle_tag, idlepos;
/* Add new idle command to queue */
static SERVER_IDLE_REC *
server_idle_create(const char *cmd, const char *redirect_cmd, int count,
const char *arg, int remote, const char *failure_signal,
va_list va)
{
SERVER_IDLE_REC *rec;
const char *event, *signal;
g_return_val_if_fail(cmd != NULL, FALSE);
rec = g_new0(SERVER_IDLE_REC, 1);
rec->cmd = g_strdup(cmd);
rec->arg = g_strdup(arg);
rec->tag = ++idlepos;
rec->redirect_cmd = g_strdup(redirect_cmd);
rec->count = count;
rec->remote = remote;
rec->failure_signal = g_strdup(failure_signal);
while ((event = va_arg(va, const char *)) != NULL) {
signal = va_arg(va, const char *);
if (signal == NULL) {
g_warning("server_idle_create(%s): "
"signal not specified for event",
redirect_cmd);
break;
}
rec->redirects =
g_slist_append(rec->redirects, g_strdup(event));
rec->redirects =
g_slist_append(rec->redirects, g_strdup(signal));
}
return rec;
}
static SERVER_IDLE_REC *server_idle_find_rec(IRC_SERVER_REC *server, int tag)
{
GSList *tmp;
g_return_val_if_fail(server != NULL, FALSE);
for (tmp = server->idles; tmp != NULL; tmp = tmp->next) {
SERVER_IDLE_REC *rec = tmp->data;
if (rec->tag == tag)
return rec;
}
return NULL;
}
/* Add new idle command to queue */
int server_idle_add_redir(IRC_SERVER_REC *server, const char *cmd,
const char *redirect_cmd, int count, const char *arg,
int remote, const char *failure_signal, ...)
{
va_list va;
SERVER_IDLE_REC *rec;
g_return_val_if_fail(server != NULL, -1);
va_start(va, failure_signal);
rec = server_idle_create(cmd, redirect_cmd, count, arg, remote,
failure_signal, va);
server->idles = g_slist_append(server->idles, rec);
va_end(va);
return rec->tag;
}
/* Add new idle command to first of queue */
int server_idle_add_first_redir(IRC_SERVER_REC *server, const char *cmd,
const char *redirect_cmd, int count,
const char *arg, int remote,
const char *failure_signal, ...)
{
va_list va;
SERVER_IDLE_REC *rec;
g_return_val_if_fail(server != NULL, -1);
va_start(va, failure_signal);
rec = server_idle_create(cmd, redirect_cmd, count, arg, remote,
failure_signal, va);
server->idles = g_slist_prepend(server->idles, rec);
va_end(va);
return rec->tag;
}
/* Add new idle command to specified position of queue */
int server_idle_insert_redir(IRC_SERVER_REC *server, const char *cmd, int tag,
const char *redirect_cmd, int count,
const char *arg, int remote,
const char *failure_signal, ...)
{
va_list va;
SERVER_IDLE_REC *rec;
int pos;
g_return_val_if_fail(server != NULL, -1);
va_start(va, failure_signal);
/* find the position of tag in idle list */
rec = server_idle_find_rec(server, tag);
pos = g_slist_index(server->idles, rec);
rec = server_idle_create(cmd, redirect_cmd, count, arg, remote,
failure_signal, va);
server->idles = pos < 0 ?
g_slist_append(server->idles, rec) :
g_slist_insert(server->idles, rec, pos);
va_end(va);
return rec->tag;
}
static void server_idle_destroy(IRC_SERVER_REC *server, SERVER_IDLE_REC *rec)
{
g_return_if_fail(server != NULL);
server->idles = g_slist_remove(server->idles, rec);
g_slist_foreach(rec->redirects, (GFunc) g_free, NULL);
g_slist_free(rec->redirects);
g_free_not_null(rec->arg);
g_free_not_null(rec->redirect_cmd);
g_free_not_null(rec->failure_signal);
g_free(rec->cmd);
g_free(rec);
}
/* Check if record is still in queue */
int server_idle_find(IRC_SERVER_REC *server, int tag)
{
return server_idle_find_rec(server, tag) != NULL;
}
/* Remove record from idle queue */
int server_idle_remove(IRC_SERVER_REC *server, int tag)
{
SERVER_IDLE_REC *rec;
g_return_val_if_fail(server != NULL, FALSE);
rec = server_idle_find_rec(server, tag);
if (rec == NULL)
return FALSE;
server_idle_destroy(server, rec);
return TRUE;
}
/* Execute next idle command */
static void server_idle_next(IRC_SERVER_REC *server)
{
SERVER_IDLE_REC *rec;
g_return_if_fail(server != NULL);
if (server->idles == NULL)
return;
rec = server->idles->data;
/* Send command */
if (rec->redirect_cmd != NULL) {
server_redirect_event_list(server, rec->redirect_cmd,
rec->count, rec->arg,
rec->remote, rec->failure_signal,
rec->redirects);
}
irc_send_cmd(server, rec->cmd);
server_idle_destroy(server, rec);
}
static void sig_disconnected(IRC_SERVER_REC *server)
{
g_return_if_fail(server != NULL);
if (!IS_IRC_SERVER(server))
return;
while (server->idles != NULL)
server_idle_destroy(server, server->idles->data);
}
static int sig_idle_timeout(void)
{
GSList *tmp;
/* Scan through every server */
for (tmp = servers; tmp != NULL; tmp = tmp->next) {
IRC_SERVER_REC *rec = tmp->data;
if (IS_IRC_SERVER(rec) &&
rec->idles != NULL && rec->cmdcount == 0) {
/* We're idling and we have idle commands to run! */
server_idle_next(rec);
}
}
return 1;
}
void servers_idle_init(void)
{
idlepos = 0;
idle_tag = g_timeout_add(1000, (GSourceFunc) sig_idle_timeout, NULL);
signal_add("server disconnected", (SIGNAL_FUNC) sig_disconnected);
}
void servers_idle_deinit(void)
{
g_source_remove(idle_tag);
signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
}
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