From: Fredrik Tolf <fredrik@dolda2000.com>
Date: Sat, 9 Aug 2008 14:16:30 +0000 (+0200)
Subject: Use multicast loopbacking.
X-Git-Url: http://git.dolda2000.com/gitweb/?p=mctap.git;a=commitdiff_plain;h=af3fc4a5b88a7014b43aa092c4e0e5f8fa962ed4

Use multicast loopbacking.
---

diff --git a/src/mctap.c b/src/mctap.c
index 437082b..52dd294 100644
--- a/src/mctap.c
+++ b/src/mctap.c
@@ -68,6 +68,9 @@ static int mkmcastsk4(struct in_addr group, int port)
     mreq.imr_multiaddr = group;
     if(setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq)))
 	return(-1);
+    soval = 1;
+    if(setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &soval, sizeof(soval)))
+	return(-1);
     return(fd);
 }