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Replicate peer endpoints and forget paths if we have them -- this allows two clusters to talk to each other, whereas forgetting all paths does not.

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This commit is contained in:
Adam Ierymenko
2015-10-27 16:47:13 -07:00
parent cc6080fe38
commit cc1b275ad9
5 changed files with 58 additions and 28 deletions
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45
node/Cluster.cpp
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@ -210,22 +210,30 @@ void Cluster::handleIncomingStateMessage(const void *msg,unsigned int len)
} break;
case STATE_MESSAGE_HAVE_PEER: {
try {
Identity id;
ptr += id.deserialize(dmsg,ptr);
if (id) {
RR->topology->saveIdentity(id);
{
Mutex::Lock _l2(_peerAffinities_m);
_PA &pa = _peerAffinities[id.address()];
pa.ts = RR->node->now();
pa.mid = fromMemberId;
}
TRACE("[%u] has %s",(unsigned int)fromMemberId,id.address().toString().c_str());
}
} catch ( ... ) {
// ignore invalid identities
}
Identity id;
InetAddress physicalAddress;
ptr += id.deserialize(dmsg,ptr);
ptr += physicalAddress.deserialize(dmsg,ptr);
if (id) {
// Forget any paths that we have to this peer at its address
if (physicalAddress) {
SharedPtr<Peer> myPeerRecord(RR->topology->getPeer(id.address()));
if (myPeerRecord)
myPeerRecord->removePathByAddress(physicalAddress);
}
// Always save identity to update file time
RR->topology->saveIdentity(id);
// Set peer affinity to its new home
{
Mutex::Lock _l2(_peerAffinities_m);
_PA &pa = _peerAffinities[id.address()];
pa.ts = RR->node->now();
pa.mid = fromMemberId;
}
TRACE("[%u] has %s @ %s",(unsigned int)fromMemberId,id.address().toString().c_str(),physicalAddress.toString().c_str());
}
} break;
case STATE_MESSAGE_MULTICAST_LIKE: {
@ -396,7 +404,7 @@ bool Cluster::sendViaCluster(const Address &fromPeerAddress,const Address &toPee
return true;
}
void Cluster::replicateHavePeer(const Identity &peerId)
void Cluster::replicateHavePeer(const Identity &peerId,const InetAddress &physicalAddress)
{
const uint64_t now = RR->node->now();
{ // Use peer affinity table to track our own last announce time for peers
@ -405,7 +413,7 @@ void Cluster::replicateHavePeer(const Identity &peerId)
if (pa.mid != _id) {
pa.ts = now;
pa.mid = _id;
} else if ((now - pa.ts) >= ZT_CLUSTER_HAVE_PEER_ANNOUNCE_PERIOD) {
} else if ((now - pa.ts) < ZT_CLUSTER_HAVE_PEER_ANNOUNCE_PERIOD) {
return;
} else {
pa.ts = now;
@ -415,6 +423,7 @@ void Cluster::replicateHavePeer(const Identity &peerId)
// announcement
Buffer<4096> buf;
peerId.serialize(buf,false);
physicalAddress.serialize(buf);
{
Mutex::Lock _l(_memberIds_m);
for(std::vector<uint16_t>::const_iterator mid(_memberIds.begin());mid!=_memberIds.end();++mid) {