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-rw-r--r--node/Switch.cpp29
1 files changed, 8 insertions, 21 deletions
diff --git a/node/Switch.cpp b/node/Switch.cpp
index 1a28d4a5..fa8a22c0 100644
--- a/node/Switch.cpp
+++ b/node/Switch.cpp
@@ -639,12 +639,12 @@ void Switch::cancelWhoisRequest(const Address &addr)
void Switch::doAnythingWaitingForPeer(const SharedPtr<Peer> &peer)
{
- {
+ { // cancel pending WHOIS since we now know this peer
Mutex::Lock _l(_outstandingWhoisRequests_m);
_outstandingWhoisRequests.erase(peer->address());
}
- {
+ { // finish processing any packets waiting on peer's public key / identity
Mutex::Lock _l(_rxQueue_m);
for(std::list< SharedPtr<PacketDecoder> >::iterator rxi(_rxQueue.begin());rxi!=_rxQueue.end();) {
if ((*rxi)->tryDecode(_r))
@@ -653,7 +653,7 @@ void Switch::doAnythingWaitingForPeer(const SharedPtr<Peer> &peer)
}
}
- {
+ { // finish sending any packets waiting on peer's public key / identity
Mutex::Lock _l(_txQueue_m);
std::pair< std::multimap< Address,TXQueueEntry >::iterator,std::multimap< Address,TXQueueEntry >::iterator > waitingTxQueueItems(_txQueue.equal_range(peer->address()));
for(std::multimap< Address,TXQueueEntry >::iterator txi(waitingTxQueueItems.first);txi!=waitingTxQueueItems.second;) {
@@ -690,8 +690,11 @@ void Switch::_handleRemotePacketFragment(const SharedPtr<Socket> &fromSock,const
if (fragment.hops() < ZT_RELAY_MAX_HOPS) {
fragment.incrementHops();
+ // Note: we don't bother initiating NAT-t for fragments, since heads will set that off.
+ // It wouldn't hurt anything, just redundant and unnecessary.
SharedPtr<Peer> relayTo = _r->topology->getPeer(destination);
if ((!relayTo)||(relayTo->send(_r,fragment.data(),fragment.size(),Utils::now()) == Path::PATH_TYPE_NULL)) {
+ // Don't know peer or no direct path -- so relay via supernode
relayTo = _r->topology->getBestSupernode();
if (relayTo)
relayTo->send(_r,fragment.data(),fragment.size(),Utils::now());
@@ -772,11 +775,7 @@ void Switch::_handleRemotePacketHead(const SharedPtr<Socket> &fromSock,const Ine
if ((fromSock->udp())&&(relayedVia == Path::PATH_TYPE_UDP))
unite(source,destination,false);
} else {
- // If we've received a packet not for us and we don't have
- // a direct path to its recipient, pass it to (another)
- // supernode. This can happen due to Internet weather -- the
- // most direct supernode may not be reachable, yet another
- // further away may be.
+ // Don't know peer or no direct path -- so relay via supernode
relayTo = _r->topology->getBestSupernode(&source,1,true);
if (relayTo)
relayTo->send(_r,packet->data(),packet->size(),Utils::now());
@@ -903,21 +902,9 @@ bool Switch::_trySend(const Packet &packet,bool encrypt)
remaining -= chunkSize;
}
}
-
-/* #ifdef ZT_TRACE
- if (via != peer) {
- TRACE(">> %s to %s via %s (%d)",Packet::verbString(packet.verb()),peer->address().toString().c_str(),via->address().toString().c_str(),(int)packet.size());
- } else {
- TRACE(">> %s to %s (%d)",Packet::verbString(packet.verb()),peer->address().toString().c_str(),(int)packet.size());
- }
-#endif */
-
return true;
}
- return false;
- }
-
- requestWhois(packet.destination());
+ } else requestWhois(packet.destination());
return false;
}