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Make multicast packets have >1 hops

This commit is contained in:
Neale Pickett 2011-09-29 14:29:19 -06:00
parent 7bbb428f51
commit f10f1aa880
2 changed files with 2 additions and 3 deletions
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1
packages/multicaster/src/Makefile
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@ -1,5 +1,4 @@
CFLAGS = -Wall -Werror CFLAGS = -Wall -Werror
LDFLAGS = -static
TARGETS = multicaster-server multicaster-client TARGETS = multicaster-server multicaster-client
all: build all: build

4
packages/multicaster/src/multicaster-server.c
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@ -47,8 +47,8 @@ int main(int argc, char *argv[])
/* Create socket for sending multicast datagrams */ /* Create socket for sending multicast datagrams */
if ((sock = socket(multicastAddr->ai_family, multicastAddr->ai_socktype, 0)) == -1) DieWithError("socket() failed"); if ((sock = socket(multicastAddr->ai_family, multicastAddr->ai_socktype, 0)) == -1) DieWithError("socket() failed");
//int scope_id = if_nametoindex("eth0"); int hops = 5;
//if (setsockopt(sock, IPPROTO_IPV6, IPV6_MULTICAST_IF, (const char *) &scope_id, sizeof(scope_id)) != 0) DieWithError("setsockopt(MULTICAST_IF) failed"); if (setsockopt(sock, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &hops, sizeof(hops)) != 0) DieWithError("setsockopt(MULTICAST_HOPS) failed");
for (;;) /* Run forever */ for (;;) /* Run forever */
{ {