tree 746921929e4fb62dbd5a07a32bab30a6139c0804
parent cd591e1781effb574568a6c52fbffe888ca7cd74
author Alexander Afanasyev <alexander.afanasyev@ucla.edu> 1403134674 -0700
committer Alexander Afanasyev <alexander.afanasyev@ucla.edu> 1403283329 -0700

face: Switching to 2 sockets in MulticastUdpFace for sending and receiving

To send over UDP multicast, we should not bind to multicast address.
This is true at least on OSX 10.9, which generates "Can't assign
requested address" error (error code: 49).  However, without binding to
the multicast address, the socket may receive unnecessary unrelated
packets.  To solve this problem, this commit splits sending and
receiving into two sockets, one for sending and one for receiving.

Change-Id: Ibce05c7071fd683a26b3c88cd2a168546c5dc605
Refs: #1668