diff options
Diffstat (limited to 'node/Peer.cpp')
-rw-r--r-- | node/Peer.cpp | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/node/Peer.cpp b/node/Peer.cpp index 875d651e..fb9a72b1 100644 --- a/node/Peer.cpp +++ b/node/Peer.cpp @@ -38,8 +38,6 @@ namespace ZeroTier { Peer::Peer(const RuntimeEnvironment *renv,const Identity &myIdentity,const Identity &peerIdentity) : RR(renv), - _lastWroteState(0), - _lastReceivedStateTimestamp(0), _lastReceive(0), _lastNontrivialReceive(0), _lastTriedMemorizedPath(0), @@ -184,7 +182,6 @@ void Peer::received( if (verb == Packet::VERB_OK) { potentialNewPeerPath->lr = now; potentialNewPeerPath->p = path; - _lastWroteState = 0; // force state write now } else { TRACE("got %s via unknown path %s(%s), confirming...",Packet::verbString(verb),_id.address().toString().c_str(),path->address().toString().c_str()); attemptToContactAt(tPtr,path->localSocket(),path->address(),now,true,path->nextOutgoingCounter()); @@ -263,9 +260,6 @@ void Peer::received( } } } - - if ((now - _lastWroteState) > ZT_PEER_STATE_WRITE_PERIOD) - writeState(tPtr,now); } bool Peer::sendDirect(void *tPtr,const void *data,unsigned int len,uint64_t now,bool force) @@ -428,155 +422,4 @@ bool Peer::doPingAndKeepalive(void *tPtr,uint64_t now,int inetAddressFamily) return false; } -void Peer::writeState(void *tPtr,const uint64_t now) -{ - try { - Buffer<ZT_PEER_MAX_SERIALIZED_STATE_SIZE> b; - - b.append((uint8_t)1); // version - b.append(now); - - _id.serialize(b); - - { - Mutex::Lock _l(_paths_m); - unsigned int count = 0; - if (_v4Path.lr) - ++count; - if (_v6Path.lr) - ++count; - b.append((uint8_t)count); - if (_v4Path.lr) { - b.append(_v4Path.lr); - b.append(_v4Path.p->lastOut()); - b.append(_v4Path.p->lastIn()); - b.append(_v4Path.p->lastTrustEstablishedPacketReceived()); - _v4Path.p->address().serialize(b); - } - if (_v6Path.lr) { - b.append(_v6Path.lr); - b.append(_v6Path.p->lastOut()); - b.append(_v6Path.p->lastIn()); - b.append(_v6Path.p->lastTrustEstablishedPacketReceived()); - _v6Path.p->address().serialize(b); - } - } - - // Save space by sending these as time since now at 100ms resolution - b.append((uint16_t)(std::max(now - _lastReceive,(uint64_t)6553500) / 100)); - b.append((uint16_t)(std::max(now - _lastNontrivialReceive,(uint64_t)6553500) / 100)); - b.append((uint16_t)(std::max(now - _lastTriedMemorizedPath,(uint64_t)6553500) / 100)); - b.append((uint16_t)(std::max(now - _lastDirectPathPushSent,(uint64_t)6553500) / 100)); - b.append((uint16_t)(std::max(now - _lastDirectPathPushReceive,(uint64_t)6553500) / 100)); - b.append((uint16_t)(std::max(now - _lastCredentialRequestSent,(uint64_t)6553500) / 100)); - b.append((uint16_t)(std::max(now - _lastWhoisRequestReceived,(uint64_t)6553500) / 100)); - b.append((uint16_t)(std::max(now - _lastEchoRequestReceived,(uint64_t)6553500) / 100)); - b.append((uint16_t)(std::max(now - _lastComRequestReceived,(uint64_t)6553500) / 100)); - b.append((uint16_t)(std::max(now - _lastComRequestSent,(uint64_t)6553500) / 100)); - b.append((uint16_t)(std::max(now - _lastCredentialsReceived,(uint64_t)6553500) / 100)); - b.append((uint16_t)(std::max(now - _lastTrustEstablishedPacketReceived,(uint64_t)6553500) / 100)); - - b.append((uint8_t)_vProto); - b.append((uint8_t)_vMajor); - b.append((uint8_t)_vMinor); - b.append((uint16_t)_vRevision); - - b.append((uint16_t)0); // length of additional fields - - uint64_t tmp[2]; - tmp[0] = _id.address().toInt(); tmp[1] = 0; - //RR->node->stateObjectPut(tPtr,ZT_STATE_OBJECT_PEER_STATE,tmp,b.data(),b.size()); - - _lastWroteState = now; - } catch ( ... ) {} // sanity check, should not be possible -} - -bool Peer::applyStateUpdate(const void *data,unsigned int len) -{ - try { - Buffer<ZT_PEER_MAX_SERIALIZED_STATE_SIZE> b(data,len); - unsigned int ptr = 0; - - if (b[ptr++] != 1) - return false; - const uint64_t ts = b.at<uint64_t>(ptr); ptr += 8; - if (ts <= _lastReceivedStateTimestamp) - return false; - - Identity id; - ptr += id.deserialize(b,ptr); - if (id != _id) // sanity check - return false; - - const unsigned int pathCount = (unsigned int)b[ptr++]; - { - Mutex::Lock _l(_paths_m); - for(unsigned int i=0;i<pathCount;++i) { - const uint64_t lr = b.at<uint64_t>(ptr); ptr += 8; - const uint64_t lastOut = b.at<uint64_t>(ptr); ptr += 8; - const uint64_t lastIn = b.at<uint64_t>(ptr); ptr += 8; - const uint64_t lastTrustEstablishedPacketReceived = b.at<uint64_t>(ptr); ptr += 8; - InetAddress addr; - ptr += addr.deserialize(b,ptr); - _PeerPath *p = (_PeerPath *)0; - switch(addr.ss_family) { - case AF_INET: p = &_v4Path; break; - case AF_INET6: p = &_v6Path; break; - } - if (p) { - if ( (!p->p) || (p->p->address() != addr) ) { - p->p = RR->topology->getPath(-1,addr); - } - p->lr = lr; - p->p->updateFromRemoteState(lastOut,lastIn,lastTrustEstablishedPacketReceived); - } - } - } - - _lastReceive = std::max(_lastReceive,ts - ((uint64_t)b.at<uint16_t>(ptr) * 100ULL)); ptr += 2; - _lastNontrivialReceive = std::max(_lastNontrivialReceive,ts - ((uint64_t)b.at<uint16_t>(ptr) * 100ULL)); ptr += 2; - _lastTriedMemorizedPath = std::max(_lastTriedMemorizedPath,ts - ((uint64_t)b.at<uint16_t>(ptr) * 100ULL)); ptr += 2; - _lastDirectPathPushSent = std::max(_lastDirectPathPushSent,ts - ((uint64_t)b.at<uint16_t>(ptr) * 100ULL)); ptr += 2; - _lastDirectPathPushReceive = std::max(_lastDirectPathPushReceive,ts - ((uint64_t)b.at<uint16_t>(ptr) * 100ULL)); ptr += 2; - _lastCredentialRequestSent = std::max(_lastCredentialRequestSent,ts - ((uint64_t)b.at<uint16_t>(ptr) * 100ULL)); ptr += 2; - _lastWhoisRequestReceived = std::max(_lastWhoisRequestReceived,ts - ((uint64_t)b.at<uint16_t>(ptr) * 100ULL)); ptr += 2; - _lastEchoRequestReceived = std::max(_lastEchoRequestReceived,ts - ((uint64_t)b.at<uint16_t>(ptr) * 100ULL)); ptr += 2; - _lastComRequestReceived = std::max(_lastComRequestReceived,ts - ((uint64_t)b.at<uint16_t>(ptr) * 100ULL)); ptr += 2; - _lastComRequestSent = std::max(_lastComRequestSent,ts - ((uint64_t)b.at<uint16_t>(ptr) * 100ULL)); ptr += 2; - _lastCredentialsReceived = std::max(_lastCredentialsReceived,ts - ((uint64_t)b.at<uint16_t>(ptr) * 100ULL)); ptr += 2; - _lastTrustEstablishedPacketReceived = std::max(_lastTrustEstablishedPacketReceived,ts - ((uint64_t)b.at<uint16_t>(ptr) * 100ULL)); ptr += 2; - - _vProto = (uint16_t)b[ptr++]; - _vMajor = (uint16_t)b[ptr++]; - _vMinor = (uint16_t)b[ptr++]; - _vRevision = b.at<uint16_t>(ptr); ptr += 2; - - _lastReceivedStateTimestamp = ts; - - return true; - } catch ( ... ) {} // ignore invalid state updates - return false; -} - -SharedPtr<Peer> Peer::createFromStateUpdate(const RuntimeEnvironment *renv,void *tPtr,const void *data,unsigned int len) -{ - try { - Identity id; - { - Buffer<ZT_PEER_MAX_SERIALIZED_STATE_SIZE> b(data,len); - unsigned int ptr = 0; - if (b[ptr++] != 1) - return SharedPtr<Peer>(); - ptr += 8; // skip TS, don't care - id.deserialize(b,ptr); - } - if (id) { - const SharedPtr<Peer> p(new Peer(renv,renv->identity,id)); - if (p->applyStateUpdate(data,len)) - return renv->topology->addPeer(tPtr,p); - } - } catch ( ... ) {} - return SharedPtr<Peer>(); -} - } // namespace ZeroTier |