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 (file)
--- 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 (file)
--- 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;
 }