From ed06e43ec816eb4b9f1a736ecba6802a586887a8 Mon Sep 17 00:00:00 2001
From: LemonBoy <thatlemon@gmail.com>
Date: Sat, 2 Apr 2016 16:14:01 +0200
Subject: [PATCH] Some small adjustments to the netsplit code.

By making the signal handler hooked to the "print starting" event
smarter we can avoid dumping the whole netsplit stats for every
server/channel when a message arrives.

Issue #420
---
 src/fe-common/irc/fe-netjoin.c | 34 ++++++++++++++++++++++++----------
 1 file changed, 24 insertions(+), 10 deletions(-)

diff --git a/src/fe-common/irc/fe-netjoin.c b/src/fe-common/irc/fe-netjoin.c
index f5cb081e..6e54b313 100644
--- a/src/fe-common/irc/fe-netjoin.c
+++ b/src/fe-common/irc/fe-netjoin.c
@@ -164,7 +164,7 @@ static void print_channel_netjoins(char *channel, TEMP_PRINT_REC *rec,
 	g_free(channel);
 }
 
-static void print_netjoins(NETJOIN_SERVER_REC *server)
+static void print_netjoins(NETJOIN_SERVER_REC *server, const char *channel)
 {
 	TEMP_PRINT_REC *temp;
 	GHashTable *channels;
@@ -186,6 +186,9 @@ static void print_netjoins(NETJOIN_SERVER_REC *server)
 			char *channel = rec->now_channels->data;
 			char *realchannel = channel + 1;
 
+			if (channel != NULL && strcasecmp(realchannel, channel) != 0)
+				continue;
+
 			temp = g_hash_table_lookup(channels, realchannel);
 			if (temp == NULL) {
 				temp = g_new0(TEMP_PRINT_REC, 1);
@@ -235,20 +238,31 @@ static void print_netjoins(NETJOIN_SERVER_REC *server)
 
 /* something is going to be printed to screen, print our current netsplit
    message before it. */
-static void sig_print_starting(void)
+static void sig_print_starting(TEXT_DEST_REC *dest)
 {
-	GSList *tmp, *next;
+	NETJOIN_SERVER_REC *rec;
 
 	if (printing_joins)
 		return;
 
-	for (tmp = joinservers; tmp != NULL; tmp = next) {
-		NETJOIN_SERVER_REC *server = tmp->data;
+	/* Do not dump the netsplit stats unless:
+	 * a) This is an IRC server
+	 * b) The message level is high enough
+	 * b) The message belongs to a channel
+	 * c) There's a NETJOIN record for this server
+	 */
+	if (!IS_IRC_SERVER(dest->server))
+		return;
 
-		next = tmp->next;
-		if (server->netjoins != NULL)
-			print_netjoins(server);
-	}
+	if (dest->level != MSGLEVEL_MSGS)
+		return;
+
+	if (!server_ischannel(dest->server, dest->target))
+		return;
+
+	rec = netjoin_find_server(IRC_SERVER(dest->server));
+	if (rec != NULL && rec->netjoins != NULL)
+		print_netjoins(rec, dest->target);
 }
 
 static int sig_check_netjoins(void)
@@ -272,7 +286,7 @@ static int sig_check_netjoins(void)
 		}
 
                 if (server->netjoins != NULL)
-			print_netjoins(server);
+			print_netjoins(server, NULL);
 	}
 
 	/* now remove all netjoins which haven't had any new joins