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* Use proper SSDP TTL of 4, instead of 1.

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This commit is contained in:
Justin Maggard 2012-02-13 22:39:54 +00:00
parent ab33ab34bc
commit cefe05677d
1 changed files with 3 additions and 0 deletions
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minissdp.c
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@ -133,6 +133,7 @@ OpenAndConfSSDPNotifySocket(in_addr_t addr)
int s; int s;
unsigned char loopchar = 0; unsigned char loopchar = 0;
int bcast = 1; int bcast = 1;
uint8_t ttl = 4;
struct in_addr mc_if; struct in_addr mc_if;
struct sockaddr_in sockname; struct sockaddr_in sockname;
@ -157,6 +158,8 @@ OpenAndConfSSDPNotifySocket(in_addr_t addr)
close(s); close(s);
return -1; return -1;
} }
setsockopt(s, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl));
if(setsockopt(s, SOL_SOCKET, SO_BROADCAST, &bcast, sizeof(bcast)) < 0) if(setsockopt(s, SOL_SOCKET, SO_BROADCAST, &bcast, sizeof(bcast)) < 0)
{ {