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Multicast group join/leave and group membership announcement.

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This commit is contained in:
Adam Ierymenko 2015-04-06 18:27:24 -07:00
parent 8001b2c0cb
commit 51f46a009a
6 changed files with 192 additions and 67 deletions
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16
node/Peer.cpp
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@ -106,20 +106,18 @@ void Peer::received(
/* Announce multicast groups of interest to direct peers if they are
* considered authorized members of a given network. Also announce to
* supernodes and network controllers. The other place this is done
* is in rescanMulticastGroups() in Network, but that only sends something
* if a network's multicast groups change. */
* supernodes and network controllers. */
if ((now - _lastAnnouncedTo) >= ((ZT_MULTICAST_LIKE_EXPIRE / 2) - 1000)) {
_lastAnnouncedTo = now;
bool isSupernode = RR->topology->isSupernode(_id.address());
const bool isSupernode = RR->topology->isSupernode(_id.address());
Packet outp(_id.address(),RR->identity.address(),Packet::VERB_MULTICAST_LIKE);
std::vector< SharedPtr<Network> > networks(RR->nc->networks());
for(std::vector< SharedPtr<Network> >::iterator n(networks.begin());n!=networks.end();++n) {
if ( ((*n)->isAllowed(_id.address())) || (isSupernode) ) {
std::set<MulticastGroup> mgs((*n)->multicastGroups());
for(std::set<MulticastGroup>::iterator mg(mgs.begin());mg!=mgs.end();++mg) {
const std::vector< SharedPtr<Network> > networks(RR->node->allNetworks());
for(std::vector< SharedPtr<Network> >::const_iterator n(networks.begin());n!=networks.end();++n) {
if ( (isSupernode) || ((*n)->isAllowed(_id.address())) ) {
const std::vector<MulticastGroup> mgs((*n)->allMulticastGroups());
for(std::vector<MulticastGroup>::const_iterator mg(mgs.begin());mg!=mgs.end();++mg) {
if ((outp.size() + 18) > ZT_UDP_DEFAULT_PAYLOAD_MTU) {
outp.armor(_key,true);
RR->node->putPacket(remoteAddr,outp.data(),outp.size(),linkDesperation,false);