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explicit comments on multicast loopback

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This commit is contained in:
Rohan 2012-10-10 16:22:52 -05:00
parent 11c22912d7
commit a438e63498
1 changed files with 2 additions and 2 deletions
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4
src/pgm_socket.cpp
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@ -326,6 +326,7 @@ int zmq::pgm_socket_t::init (bool udp_encapsulation_, const char *network_)
// Set IP level parameters.
{
// Multicast loopback disabled by default
const int multicast_loop = 0;
if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_MULTICAST_LOOP,
&multicast_loop, sizeof (multicast_loop)))
@ -337,11 +338,10 @@ int zmq::pgm_socket_t::init (bool udp_encapsulation_, const char *network_)
goto err_abort;
// Expedited Forwarding PHB for network elements, no ECN.
/*
const int dscp = 0x2e << 2;
if (AF_INET6 != sa_family && !pgm_setsockopt (sock,
IPPROTO_PGM, PGM_TOS, &dscp, sizeof (dscp)))
goto err_abort; */
goto err_abort;
const int nonblocking = 1;
if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_NOBLOCK,