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udp cntd

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This commit is contained in:
Matej Sekoranja
2015-12-17 22:05:25 +01:00
parent fed3bba0dc
commit 52161dff60
1 changed files with 17 additions and 2 deletions
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19
src/server/serverContext.cpp
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@@ -308,9 +308,9 @@ void ServerContextImpl::initializeBroadcastTransport()
if(_ifaceAddr.ia.sin_addr.s_addr != htonl(INADDR_ANY)) {
if(_ifaceBCast.ia.sin_family == AF_UNSPEC ||
_ifaceBCast.ia.sin_addr.s_addr == listenLocalAddress.ia.sin_addr.s_addr) {
LOG(logLevelInfo, "Unable to find broadcast address of interface %s, using it as unicast address.", inetAddressToString(_ifaceBCast, false).c_str());
LOG(logLevelWarn, "Unable to find broadcast address of interface %s.", inetAddressToString(_ifaceBCast, false).c_str());
}
//else
else
{
/* An oddness of BSD sockets (not winsock) is that binding to
* INADDR_ANY will receive unicast and broadcast, but binding to
@@ -369,6 +369,21 @@ void ServerContextImpl::initializeBroadcastTransport()
try
{
osiSockAddr group;
// TODO there should be different mcast groups
// one for all interfaces, and then one per interface
// if received on specific NIF, then it's resent to speicfic mcast address
// if received on any NIF, then it should be resent to specific mcast address (calculate from receive from and mask)
// if interested for all the NIFs, then it should join to all specific mcast addresses
// --- server
// UDP bind on broadcast port + mcast as above
// -- client
// UDP bind to broadcast port + mcast as above
aToIPAddr("224.0.0.128", _broadcastPort, &group.ia);
_broadcastTransport->join(group, _ifaceAddr);