From 8366907bed1f8e798889f51ce46c8035a28a6cae Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Thu, 11 Jun 2015 12:57:53 +0200
Subject: [PATCH] Use best effort address binding to connect to the master

We usually want to reach the master using the address of the interface
Redis is bound to (via the "bind" config option). That's useful since
the master will get (and publish) the slave address getting the peer
name of the incoming socket connection from the slave.

However, when this is not possible, for example because the slave is
bound to the loopback interface but repliaces from a master accessed via
an external interface, we want to still connect with the master even
from a different interface: in this case it is not really important that
the master will provide any other address, while it is vital to be able
to replicate correctly.

Related to issues #2609 and #2612.
---
 src/replication.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/replication.c b/src/replication.c
index ca263527..c0145b4a 100644
--- a/src/replication.c
+++ b/src/replication.c
@@ -1384,7 +1384,7 @@ error:
 int connectWithMaster(void) {
     int fd;
 
-    fd = anetTcpNonBlockBindConnect(NULL,
+    fd = anetTcpNonBlockBestEffortBindConnect(NULL,
         server.masterhost,server.masterport,REDIS_BIND_ADDR);
     if (fd == -1) {
         redisLog(REDIS_WARNING,"Unable to connect to MASTER: %s",