From 8a6b0224b937e579d52d1a526de9197a1f1c1e54 Mon Sep 17 00:00:00 2001
From: Jilles Tjoelker <jilles@irssi.org>
Date: Sat, 28 Feb 2009 18:15:14 +0000
Subject: [PATCH] Add the command send/expire timeout only when needed. This
 was the last always-on <1s timer.

git-svn-id: file:///var/www/svn.irssi.org/SVN/irssi/trunk@5026 dbcabf3a-b0e7-0310-adc4-f8d773084564
---
 src/irc/core/irc-servers.c | 38 ++++++++++++++++++++++++++++----------
 src/irc/core/irc-servers.h |  2 ++
 src/irc/core/irc.c         |  2 ++
 3 files changed, 32 insertions(+), 10 deletions(-)

diff --git a/src/irc/core/irc-servers.c b/src/irc/core/irc-servers.c
index d0e38640..23960a38 100644
--- a/src/irc/core/irc-servers.c
+++ b/src/irc/core/irc-servers.c
@@ -398,7 +398,7 @@ void irc_server_send_data(IRC_SERVER_REC *server, const char *data, int len)
 	}
 }
 
-static void server_cmd_timeout(IRC_SERVER_REC *server, GTimeVal *now)
+static int server_cmd_timeout(IRC_SERVER_REC *server, GTimeVal *now)
 {
 	REDIRECT_REC *redirect;
         GSList *link;
@@ -407,20 +407,20 @@ static void server_cmd_timeout(IRC_SERVER_REC *server, GTimeVal *now)
 	int len;
 
 	if (!IS_IRC_SERVER(server))
-		return;
+		return 0;
 
 	if (server->cmdcount == 0 && server->cmdqueue == NULL)
-		return;
+		return 0;
 
 	if (g_timeval_cmp(now, &server->wait_cmd) == -1)
-		return;
+		return 1;
 
 	usecs = get_timeval_diff(now, &server->last_cmd);
 	if (usecs < server->cmd_queue_speed)
-		return;
+		return 1;
 
 	server->cmdcount--;
-	if (server->cmdqueue == NULL) return;
+	if (server->cmdqueue == NULL) return 1;
 
         /* get command */
 	cmd = server->cmdqueue->data;
@@ -445,16 +445,33 @@ static void server_cmd_timeout(IRC_SERVER_REC *server, GTimeVal *now)
         link = server->cmdqueue;
 	server->cmdqueue = g_slist_remove_link(server->cmdqueue, link);
         g_slist_free_1(link);
+	return 1;
 }
 
 /* check every now and then if there's data to be sent in command buffer */
 static int servers_cmd_timeout(void)
 {
 	GTimeVal now;
+	GSList *tmp;
+	int keep = 0;
 
 	g_get_current_time(&now);
-	g_slist_foreach(servers, (GFunc) server_cmd_timeout, &now);
-	return 1;
+	for (tmp = servers; tmp != NULL; tmp = tmp->next) {
+		keep |= server_cmd_timeout(tmp->data, &now);
+	}
+	if (keep)
+		return 1;
+	else {
+		cmd_tag = -1;
+		return 0;
+	}
+}
+
+/* Start the timeout for sending data later and decreasing cmdcount again */
+void irc_servers_start_cmd_timeout(void)
+{
+	if (cmd_tag == -1)
+		cmd_tag = g_timeout_add(500, (GSourceFunc) servers_cmd_timeout, NULL);
 }
 
 /* Return a string of all channels (and keys, if any have them) in server,
@@ -851,7 +868,7 @@ void irc_servers_init(void)
 	settings_add_time("flood", "cmd_queue_speed", DEFAULT_CMD_QUEUE_SPEED);
 	settings_add_int("flood", "cmds_max_at_once", DEFAULT_CMDS_MAX_AT_ONCE);
 
-	cmd_tag = g_timeout_add(500, (GSourceFunc) servers_cmd_timeout, NULL);
+	cmd_tag = -1;
 
 	signal_add_first("server connected", (SIGNAL_FUNC) sig_connected);
 	signal_add_last("server disconnected", (SIGNAL_FUNC) sig_disconnected);
@@ -877,7 +894,8 @@ void irc_servers_init(void)
 
 void irc_servers_deinit(void)
 {
-	g_source_remove(cmd_tag);
+	if (cmd_tag != -1)
+		g_source_remove(cmd_tag);
 
 	signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
 	signal_remove("server disconnected", (SIGNAL_FUNC) sig_disconnected);
diff --git a/src/irc/core/irc-servers.h b/src/irc/core/irc-servers.h
index 67ee76c1..8c9c1cd7 100644
--- a/src/irc/core/irc-servers.h
+++ b/src/irc/core/irc-servers.h
@@ -122,6 +122,8 @@ void irc_server_send_away(IRC_SERVER_REC *server, const char *reason);
 void irc_server_send_data(IRC_SERVER_REC *server, const char *data, int len);
 void irc_server_init_isupport(IRC_SERVER_REC *server);
 
+void irc_servers_start_cmd_timeout(void);
+
 void irc_servers_init(void);
 void irc_servers_deinit(void);
 
diff --git a/src/irc/core/irc.c b/src/irc/core/irc.c
index caa9b010..7ae66641 100644
--- a/src/irc/core/irc.c
+++ b/src/irc/core/irc.c
@@ -56,6 +56,8 @@ void irc_send_cmd_full(IRC_SERVER_REC *server, const char *cmd,
 		return;
 
 	len = strlen(cmd);
+	if (server->cmdcount == 0)
+		irc_servers_start_cmd_timeout();
 	server->cmdcount++;
 
 	if (!raw) {