From: Brendan O'Dea <bod@optus.net>
Date: Tue, 14 Jun 2005 05:37:09 +0000 (+0000)
Subject: Ping new master when we get C_MASTER and delay next election to allow
X-Git-Tag: 2.2.1-2fdn3.1~19^2^2~1^2~156
X-Git-Url: http://git.sameswireless.fr/l2tpns.git/commitdiff_plain/973c5fd008fec1a71bc8c50e2a2782e10995d485?ds=inline

Ping new master when we get C_MASTER and delay next election to allow
the unicast limp-along code to kick in if required.
---

diff --git a/Changes b/Changes
index a1f3126..c987d1e 100644
--- a/Changes
+++ b/Changes
@@ -9,6 +9,8 @@
 - Always initialise PRNG.
 - Sanity check length of random_vector.
 - Fix segv in unhide_value.
+- Ping new master when we get C_MASTER and delay next election to allow
+  the unicast limp-along code to kick in if required.
 
 * Sun Jun 5 2005 Brendan O'Dea <bod@optusnet.com.au> 2.1.0
 - Add IPv6 support from Jonathan McDowell.
diff --git a/cluster.c b/cluster.c
index 83d9501..a6350e0 100644
--- a/cluster.c
+++ b/cluster.c
@@ -1,6 +1,6 @@
 // L2TPNS Clustering Stuff
 
-char const *cvs_id_cluster = "$Id: cluster.c,v 1.41 2005-06-04 15:42:35 bodea Exp $";
+char const *cvs_id_cluster = "$Id: cluster.c,v 1.42 2005-06-14 05:37:09 bodea Exp $";
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -1022,7 +1022,6 @@ static int cluster_add_peer(in_addr_t peer, time_t basetime, pingt *pp, int size
 		config->cluster_master_address = 0;
 		config->cluster_last_hb = 0; // Force an election.
 		cluster_check_master();
-		return 0;
 	}
 
 	if (i >= num_peers)
@@ -1069,6 +1068,16 @@ static int cluster_set_master(in_addr_t peer, in_addr_t master)
 		fmtaddr(master, 1));
 
 	config->cluster_master_address = master;
+	if (master)
+	{
+		// catchup with new master
+		peer_send_message(master, C_LASTSEEN, config->cluster_seq_number, NULL, 0);
+
+		// delay next election
+		config->cluster_last_hb = TIME;
+	}
+
+	// run election (or reset "probed" if master was set)
 	cluster_check_master();
 	return 0;
 }