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-rw-r--r--node/Cluster.cpp16
-rw-r--r--node/Cluster.hpp5
-rw-r--r--node/Peer.cpp98
3 files changed, 61 insertions, 58 deletions
diff --git a/node/Cluster.cpp b/node/Cluster.cpp
index 729461e8..d4e81ff8 100644
--- a/node/Cluster.cpp
+++ b/node/Cluster.cpp
@@ -566,7 +566,7 @@ void Cluster::removeMember(uint16_t memberId)
_memberIds = newMemberIds;
}
-bool Cluster::redirectPeer(const Address &peerAddress,const InetAddress &peerPhysicalAddress,bool offload)
+bool Cluster::redirectPeer(const SharedPtr<Peer> &peer,const InetAddress &localAddress,const InetAddress &peerPhysicalAddress,bool offload)
{
if (!peerPhysicalAddress) // sanity check
return false;
@@ -575,7 +575,7 @@ bool Cluster::redirectPeer(const Address &peerAddress,const InetAddress &peerPhy
// Pick based on location if it can be determined
int px = 0,py = 0,pz = 0;
if (_addressToLocationFunction(_addressToLocationFunctionArg,reinterpret_cast<const struct sockaddr_storage *>(&peerPhysicalAddress),&px,&py,&pz) == 0) {
- TRACE("no geolocation available for %s",peerPhysicalAddress.toIpString().c_str());
+ TRACE("NO GEOLOCATION available for %s",peerPhysicalAddress.toIpString().c_str());
return false;
}
@@ -585,7 +585,7 @@ bool Cluster::redirectPeer(const Address &peerAddress,const InetAddress &peerPhy
const double currentDistance = _dist3d(_x,_y,_z,px,py,pz);
double bestDistance = (offload ? 2147483648.0 : currentDistance);
unsigned int bestMember = _id;
- //TRACE("%s is at %d,%d,%d -- looking for anyone closer than %d,%d,%d (%fkm)",peerPhysicalAddress.toString().c_str(),px,py,pz,_x,_y,_z,bestDistance);
+ TRACE("%s is at %d,%d,%d -- looking for anyone closer than %d,%d,%d (%fkm)",peerPhysicalAddress.toString().c_str(),px,py,pz,_x,_y,_z,bestDistance);
{
Mutex::Lock _l(_memberIds_m);
for(std::vector<uint16_t>::const_iterator mid(_memberIds.begin());mid!=_memberIds.end();++mid) {
@@ -605,7 +605,7 @@ bool Cluster::redirectPeer(const Address &peerAddress,const InetAddress &peerPhy
}
if (best.size() > 0) {
- TRACE("%s seems closer to %u at %fkm, suggesting redirect...",peerAddress.toString().c_str(),bestMember,bestDistance);
+ TRACE("%s seems closer to %u at %fkm, suggesting redirect...",peer->address().toString().c_str(),bestMember,bestDistance);
/* if (peer->remoteVersionProtocol() >= 5) {
// If it's a newer peer send VERB_PUSH_DIRECT_PATHS which is more idiomatic
@@ -613,7 +613,7 @@ bool Cluster::redirectPeer(const Address &peerAddress,const InetAddress &peerPhy
// Otherwise send VERB_RENDEZVOUS for ourselves, which will trick peers into trying other endpoints for us even if they're too old for PUSH_DIRECT_PATHS
for(std::vector<InetAddress>::const_iterator a(best.begin());a!=best.end();++a) {
if (a->ss_family == peerPhysicalAddress.ss_family) {
- Packet outp(peerAddress,RR->identity.address(),Packet::VERB_RENDEZVOUS);
+ Packet outp(peer->address(),RR->identity.address(),Packet::VERB_RENDEZVOUS);
outp.append((uint8_t)0); // no flags
RR->identity.address().appendTo(outp); // HACK: rendezvous with ourselves! with really old peers this will only work if I'm a root server!
outp.append((uint16_t)a->port());
@@ -624,14 +624,16 @@ bool Cluster::redirectPeer(const Address &peerAddress,const InetAddress &peerPhy
outp.append((uint8_t)16);
outp.append(a->rawIpData(),16);
}
- RR->sw->send(outp,true,0);
+ outp.armor(peer->key(),true);
+ RR->antiRec->logOutgoingZT(outp.data(),outp.size());
+ RR->node->putPacket(localAddress,peerPhysicalAddress,outp.data(),outp.size());
}
}
//}
return true;
} else {
- //TRACE("peer %s is at [%d,%d,%d], distance to us is %f and this seems to be the best",peerAddress.toString().c_str(),px,py,pz,currentDistance);
+ //TRACE("peer %s is at [%d,%d,%d], distance to us is %f and this seems to be the best",peer->address().toString().c_str(),px,py,pz,currentDistance);
return false;
}
} else {
diff --git a/node/Cluster.hpp b/node/Cluster.hpp
index be346659..b1266f27 100644
--- a/node/Cluster.hpp
+++ b/node/Cluster.hpp
@@ -247,12 +247,13 @@ public:
/**
* Redirect this peer to a better cluster member if needed
*
- * @param peerAddress Peer to (possibly) redirect
+ * @param peer Peer to (possibly) redirect
+ * @param localAddress Local address for path or NULL for none/any
* @param peerPhysicalAddress Physical address of peer's current best path (where packet was most recently received or getBestPath()->address())
* @param offload Always redirect if possible -- can be used to offload peers during shutdown
* @return True if peer was redirected
*/
- bool redirectPeer(const Address &peerAddress,const InetAddress &peerPhysicalAddress,bool offload);
+ bool redirectPeer(const SharedPtr<Peer> &peer,const InetAddress &localAddress,const InetAddress &peerPhysicalAddress,bool offload);
/**
* Fill out ZT_ClusterStatus structure (from core API)
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) {