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Temporarily disable the symmetric NAT port prediction code since the current version adds protocol overhead and probably is not that effective.

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This commit is contained in:
Adam Ierymenko 2019-03-26 15:23:51 -07:00
parent e3e5137757
commit ee8682ac75
3 changed files with 13 additions and 6 deletions
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15
node/Peer.cpp
View File

@ -163,6 +163,7 @@ void Peer::received(
}
} else break;
}
// If the path isn't a duplicate of the same localSocket AND we haven't already determined a replacePath,
// then find the worst path and replace it.
if (!redundant && replacePath == ZT_MAX_PEER_NETWORK_PATHS) {
@ -180,6 +181,7 @@ void Peer::received(
}
}
}
if (replacePath != ZT_MAX_PEER_NETWORK_PATHS) {
if (verb == Packet::VERB_OK) {
RR->t->peerLearnedNewPath(tPtr,networkId,*this,path,packetId);
@ -203,15 +205,14 @@ void Peer::received(
// all known external addresses for ourselves. We now do this even if we
// have a current path since we'll want to use new ones too.
if (this->trustEstablished(now)) {
if ((now - _lastDirectPathPushSent) >= ZT_DIRECT_PATH_PUSH_INTERVAL) {
const uint64_t sinceLastPush = now - _lastDirectPathPushSent;
if (sinceLastPush >= ZT_DIRECT_PATH_PUSH_INTERVAL) {
_lastDirectPathPushSent = now;
std::vector<InetAddress> pathsToPush;
std::vector<InetAddress> dps(RR->node->directPaths());
for(std::vector<InetAddress>::const_iterator i(dps.begin());i!=dps.end();++i)
pathsToPush.push_back(*i);
// Start with explicitly known direct endpoint paths.
std::vector<InetAddress> pathsToPush(RR->node->directPaths());
#if 0
// Do symmetric NAT prediction if we are communicating indirectly.
if (hops > 0) {
std::vector<InetAddress> sym(RR->sa->getSymmetricNatPredictions());
@ -224,6 +225,7 @@ void Peer::received(
}
}
}
#endif
if (pathsToPush.size() > 0) {
std::vector<InetAddress>::const_iterator p(pathsToPush.begin());
@ -258,6 +260,7 @@ void Peer::received(
if (count) {
outp.setAt(ZT_PACKET_IDX_PAYLOAD,(uint16_t)count);
outp.compress();
outp.armor(_key,true);
path->send(RR,tPtr,outp.data(),outp.size(),now);
}

2
node/SelfAwareness.cpp
View File

@ -124,6 +124,7 @@ void SelfAwareness::clean(int64_t now)
}
}
#if 0
std::vector<InetAddress> SelfAwareness::getSymmetricNatPredictions()
{
/* This is based on ideas and strategies found here:
@ -206,5 +207,6 @@ std::vector<InetAddress> SelfAwareness::getSymmetricNatPredictions()
return r;
}
#endif
} // namespace ZeroTier

2
node/SelfAwareness.hpp
View File

@ -64,12 +64,14 @@ public:
*/
void clean(int64_t now);
#if 0
/**
* If we appear to be behind a symmetric NAT, get predictions for possible external endpoints
*
* @return Symmetric NAT predictions or empty vector if none
*/
std::vector<InetAddress> getSymmetricNatPredictions();
#endif
private:
struct PhySurfaceKey