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udp: do not get unused ifindex for Darwin & IPv4

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This commit is contained in:
Jaroslav Kysela 2014-05-29 10:55:15 +02:00
parent 6a170827c8
commit e9a22d9d89
1 changed files with 14 additions and 2 deletions
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16
src/udp.c
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@ -90,6 +90,18 @@ udp_resolve( udp_connection_t *uc, int receiver )
return 0;
}
static inline int
udp_ifindex_required( udp_connection_t *uc )
{
if (!uc->multicast)
return 0;
#if defined(PLATFORM_DARWIN)
if (uc->ip.ss_family == AF_INET)
return 0;
#endif
return 1;
}
static int
udp_get_ifindex( const char *ifname )
{
@ -172,7 +184,7 @@ udp_bind ( const char *subsystem, const char *name,
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse));
/* Bind to interface */
ifindex = uc->multicast ? udp_get_ifindex(ifname) : 0;
ifindex = udp_ifindex_required(uc) ? udp_get_ifindex(ifname) : 0;
if (ifindex < 0) {
tvherror(subsystem, "%s - could not find interface %s",
name, ifname);
@ -332,7 +344,7 @@ udp_connect ( const char *subsystem, const char *name,
}
/* Bind to interface */
ifindex = uc->multicast ? udp_get_ifindex(ifname) : 0;
ifindex = udp_ifindex_required(uc) ? udp_get_ifindex(ifname) : 0;
if (ifindex < 0) {
tvherror(subsystem, "%s - could not find interface %s",
name, ifname);