generic-library/libzmq
1
0
Fork 0
mirror of https://github.com/zeromq/libzmq.git synced 2025-11-06 21:56:25 +01:00
Code Issues Projects Releases Wiki Activity

ZMQ_MULTICAST_HOPS socket option added

Browse Source 
Sets the time-to-live field in every multicast packet sent from the socket.

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
This commit is contained in:
Martin Sustrik
2011-05-15 18:25:43 +02:00
parent 49df2f416c
commit 5d0cffc52f
6 changed files with 58 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/pgm_socket.cpp
View File

@@ -169,24 +169,30 @@ int zmq::pgm_socket_t::init (bool udp_encapsulation_, const char *network_)
}
{
const int rcvbuf = (int) options.rcvbuf,
sndbuf = (int) options.sndbuf,
max_tpdu = (int) pgm_max_tpdu;
// Propagate various socket options to the OpenPGM layer.
const int rcvbuf = (int) options.rcvbuf;
if (rcvbuf) {
if (!pgm_setsockopt (sock, SOL_SOCKET, SO_RCVBUF, &rcvbuf,
sizeof (rcvbuf)))
goto err_abort;
}
const int sndbuf = (int) options.sndbuf;
if (sndbuf) {
if (!pgm_setsockopt (sock, SOL_SOCKET, SO_SNDBUF, &sndbuf,
sizeof (sndbuf)))
goto err_abort;
}
// Set maximum transport protocol data unit size (TPDU).
const int max_tpdu = (int) pgm_max_tpdu;
if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_MTU, &max_tpdu,
sizeof (max_tpdu)))
goto err_abort;
const int multicast_hops = (int) options.multicast_hops;
if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_MULTICAST_HOPS,
&multicast_hops, sizeof (int)))
goto err_abort;
}
if (receiver) {