Add IPv6 support to tcp_listener

Signed-off-by: Steven McCoy <steven.mccoy@miru.hk>
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
This commit is contained in:
Steven McCoy
2011-08-15 08:56:00 +02:00
committed by Martin Sustrik
parent 3c3c0bfd1f
commit 57440b86e2
4 changed files with 43 additions and 17 deletions

View File

@@ -199,23 +199,10 @@ int zmq::tcp_connecter_t::open ()
return -1;
#endif
// Enable IPv4-mapping of addresses in case it is disabled by default.
#ifdef IPV6_V6ONLY
if (addr.ss_family == AF_INET6) {
#ifdef ZMQ_HAVE_WINDOWS
DWORD flag = 0;
#else
int flag = 0;
#endif
int rc = setsockopt (s, IPPROTO_IPV6, IPV6_V6ONLY,
(const char*) &flag, sizeof (flag));
#ifdef ZMQ_HAVE_WINDOWS
wsa_assert (rc != SOCKET_ERROR);
#else
errno_assert (rc == 0);
#endif
}
#endif
// On some systems, IPv4 mapping in IPv6 sockets is disabled by default.
// Switch it on in such cases.
if (addr.ss_family == AF_INET6)
enable_ipv4_mapping (s);
// Set the socket to non-blocking mode so that we get async connect().
unblock_socket (s);