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Make it possible to reuse UDP socket (optional, disabled by default)

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Patch by Thijs % thijsvermeir A telenet P be %
Original thread:
Subject: Re: [Ffmpeg-devel] [PATCH proposal] Reuse UDP socket v2
Date: October 28, 2006 11:09:00 AM CEDT

Originally committed as revision 6825 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Thijs 2006-10-28 17:16:18 +00:00 committed by Guillaume Poirier
parent 973cbc2a28
commit 34ecc3975f
1 changed files with 8 additions and 0 deletions
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8
libavformat/udp.c
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@ -40,6 +40,7 @@ typedef struct {
int ttl;
int is_multicast;
int local_port;
int reuse_socket;
#ifndef CONFIG_IPV6
struct ip_mreq mreq;
struct sockaddr_in dest_addr;
@ -236,6 +237,7 @@ static int udp_ipv6_set_local(URLContext *h) {
* 'ttl=n' : set the ttl value (for multicast only)
* 'localport=n' : set the local port
* 'pkt_size=n' : set max packet size
* 'reuse=1' : enable reusing the socket
*
* @param s1 media file context
* @param uri of the remote server
@ -311,9 +313,11 @@ static int udp_open(URLContext *h, const char *uri, int flags)
s->ttl = 16;
s->is_multicast = 0;
s->local_port = 0;
s->reuse_socket = 0;
p = strchr(uri, '?');
if (p) {
s->is_multicast = find_info_tag(buf, sizeof(buf), "multicast", p);
s->reuse_socket = find_info_tag(buf, sizeof(buf), "reuse", p);
if (find_info_tag(buf, sizeof(buf), "ttl", p)) {
s->ttl = strtol(buf, NULL, 10);
}
@ -351,6 +355,10 @@ static int udp_open(URLContext *h, const char *uri, int flags)
my_addr.sin_port = htons(s->local_port);
}
if (s->reuse_socket)
if (setsockopt (udp_fd, SOL_SOCKET, SO_REUSEADDR, &(s->reuse_socket), sizeof(s->reuse_socket)) != 0)
goto fail;
/* the bind is needed to give a port to the socket now */
if (bind(udp_fd,(struct sockaddr *)&my_addr, sizeof(my_addr)) < 0)
goto fail;