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res_rtp: Fix regression when IPv6 is not available.

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The latest Release candidate fails to create RTP streams when IPv6
is not available. Due to the changes made in September the ast_sockaddr
structure passed around to create these streams is always of AF_INET6
type, causing failure when used for IPv4. This patch adds a utility
function to check for availability of IPv6 and applies such check
at startup to determine how to create the ast_sockaddr structures.

ASTERISK-26617 #close

Change-Id: I627a4e91795e821111e1cda523f083a40d0e0c3e
This commit is contained in:
Guido Falsi
2016-11-22 18:20:06 +01:00
committed by Joshua Colp
parent a0c0b1c9cb
commit 75230f4c01
4 changed files with 33 additions and 2 deletions
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12
main/utils.c
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@@ -2391,6 +2391,18 @@ char *ast_utils_which(const char *binary, char *fullpath, size_t fullpath_size)
return NULL;
}
int ast_check_ipv6(void)
{
int udp6_socket = socket(AF_INET6, SOCK_DGRAM, 0);
if (udp6_socket < 0) {
return 0;
}
close(udp6_socket);
return 1;
}
void DO_CRASH_NORETURN ast_do_crash(void)
{
#if defined(DO_CRASH)