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-rw-r--r--node/Peer.cpp98
1 files changed, 49 insertions, 49 deletions
diff --git a/node/Peer.cpp b/node/Peer.cpp
index e4f0767e..6cd9baab 100644
--- a/node/Peer.cpp
+++ b/node/Peer.cpp
@@ -80,64 +80,67 @@ void Peer::received(
uint64_t inRePacketId,
Packet::Verb inReVerb)
{
+#ifdef ZT_ENABLE_CLUSTER
+ if ((RR->cluster)&&(hops == 0)&&((verb == Packet::VERB_HELLO)||(verb == Packet::VERB_FRAME)||(verb == Packet::VERB_EXT_FRAME)||(verb == Packet::VERB_MULTICAST_FRAME))) {
+ if (RR->cluster->redirectPeer(SharedPtr<Peer>(this),localAddr,remoteAddr,false))
+ return;
+ }
+#endif
+
const uint64_t now = RR->node->now();
bool needMulticastGroupAnnounce = false;
bool pathIsConfirmed = false;
- {
+ { // begin _lock
Mutex::Lock _l(_lock);
_lastReceive = now;
- if (!hops) {
- /* Learn new paths from direct (hops == 0) packets */
- {
- unsigned int np = _numPaths;
- for(unsigned int p=0;p<np;++p) {
- if ((_paths[p].address() == remoteAddr)&&(_paths[p].localAddress() == localAddr)) {
- _paths[p].received(now);
- pathIsConfirmed = true;
- break;
- }
+ if (hops == 0) {
+ unsigned int np = _numPaths;
+ for(unsigned int p=0;p<np;++p) {
+ if ((_paths[p].address() == remoteAddr)&&(_paths[p].localAddress() == localAddr)) {
+ _paths[p].received(now);
+ pathIsConfirmed = true;
+ break;
}
+ }
- if (!pathIsConfirmed) {
- if ((verb == Packet::VERB_OK)&&((inReVerb == Packet::VERB_HELLO)||(inReVerb == Packet::VERB_ECHO))) {
-
- // Learn paths if they've been confirmed via a HELLO or an ECHO
- RemotePath *slot = (RemotePath *)0;
- if (np < ZT_MAX_PEER_NETWORK_PATHS) {
- slot = &(_paths[np++]);
- } else {
- uint64_t slotLRmin = 0xffffffffffffffffULL;
- for(unsigned int p=0;p<ZT_MAX_PEER_NETWORK_PATHS;++p) {
- if (_paths[p].lastReceived() <= slotLRmin) {
- slotLRmin = _paths[p].lastReceived();
- slot = &(_paths[p]);
- }
- }
- }
- if (slot) {
- *slot = RemotePath(localAddr,remoteAddr);
- slot->received(now);
- _numPaths = np;
- pathIsConfirmed = true;
- _sortPaths(now);
- }
+ if (!pathIsConfirmed) {
+ if (verb == Packet::VERB_OK) {
+ RemotePath *slot = (RemotePath *)0;
+ if (np < ZT_MAX_PEER_NETWORK_PATHS) {
+ slot = &(_paths[np++]);
} else {
-
- /* If this path is not known, send a HELLO. We don't learn
- * paths without confirming that a bidirectional link is in
- * fact present, but any packet that decodes and authenticates
- * correctly is considered valid. */
- if ((now - _lastPathConfirmationSent) >= ZT_MIN_PATH_CONFIRMATION_INTERVAL) {
- _lastPathConfirmationSent = now;
- TRACE("got %s via unknown path %s(%s), confirming...",Packet::verbString(verb),_id.address().toString().c_str(),remoteAddr.toString().c_str());
- attemptToContactAt(RR,localAddr,remoteAddr,now);
+ uint64_t slotLRmin = 0xffffffffffffffffULL;
+ for(unsigned int p=0;p<ZT_MAX_PEER_NETWORK_PATHS;++p) {
+ if (_paths[p].lastReceived() <= slotLRmin) {
+ slotLRmin = _paths[p].lastReceived();
+ slot = &(_paths[p]);
+ }
}
+ }
+ if (slot) {
+ *slot = RemotePath(localAddr,remoteAddr);
+ slot->received(now);
+ _numPaths = np;
+ pathIsConfirmed = true;
+ _sortPaths(now);
+ }
+
+ } else {
+ /* If this path is not known, send a HELLO. We don't learn
+ * paths without confirming that a bidirectional link is in
+ * fact present, but any packet that decodes and authenticates
+ * correctly is considered valid. */
+ if ((now - _lastPathConfirmationSent) >= ZT_MIN_PATH_CONFIRMATION_INTERVAL) {
+ _lastPathConfirmationSent = now;
+ TRACE("got %s via unknown path %s(%s), confirming...",Packet::verbString(verb),_id.address().toString().c_str(),remoteAddr.toString().c_str());
+ attemptToContactAt(RR,localAddr,remoteAddr,now);
}
+
}
}
}
@@ -151,14 +154,11 @@ void Peer::received(
_lastUnicastFrame = now;
else if (verb == Packet::VERB_MULTICAST_FRAME)
_lastMulticastFrame = now;
- }
+ } // end _lock
#ifdef ZT_ENABLE_CLUSTER
- if ((pathIsConfirmed)&&(RR->cluster)) {
- // Either shuttle this peer off somewhere else or report to other members that we have it
- if (!RR->cluster->redirectPeer(_id.address(),remoteAddr,false))
- RR->cluster->replicateHavePeer(_id);
- }
+ if ((RR->cluster)&&(pathIsConfirmed))
+ RR->cluster->replicateHavePeer(_id);
#endif
if (needMulticastGroupAnnounce) {