From 4df59a3ae57acbb21b49027ccae837037f2d7419 Mon Sep 17 00:00:00 2001
From: Neale Pickett <neale@lanl.gov>
Date: Thu, 29 Sep 2011 14:29:19 -0600
Subject: [PATCH] Make multicast packets have >1 hops

---
 packages/multicaster/src/Makefile             | 1 -
 packages/multicaster/src/multicaster-server.c | 4 ++--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/packages/multicaster/src/Makefile b/packages/multicaster/src/Makefile
index 629b3dc..bf4eb10 100644
--- a/packages/multicaster/src/Makefile
+++ b/packages/multicaster/src/Makefile
@@ -1,5 +1,4 @@
 CFLAGS = -Wall -Werror
-LDFLAGS = -static
 TARGETS = multicaster-server multicaster-client
 
 all: build
diff --git a/packages/multicaster/src/multicaster-server.c b/packages/multicaster/src/multicaster-server.c
index 5812d14..830ec3b 100644
--- a/packages/multicaster/src/multicaster-server.c
+++ b/packages/multicaster/src/multicaster-server.c
@@ -47,8 +47,8 @@ int main(int argc, char *argv[])
     /* Create socket for sending multicast datagrams */
     if ((sock = socket(multicastAddr->ai_family, multicastAddr->ai_socktype, 0)) == -1) DieWithError("socket() failed");
 
-    //int scope_id = if_nametoindex("eth0");
-    //if (setsockopt(sock, IPPROTO_IPV6, IPV6_MULTICAST_IF, (const char *) &scope_id, sizeof(scope_id)) != 0) DieWithError("setsockopt(MULTICAST_IF) failed");
+    int hops = 5;
+    if (setsockopt(sock, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &hops, sizeof(hops)) != 0) DieWithError("setsockopt(MULTICAST_HOPS) failed");
 
     for (;;) /* Run forever */
     {