mirror of
https://github.com/zerotier/ZeroTierOne.git
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Cluster fix: was accumulating remote endpoints endlessly.
This commit is contained in:
Adam Ierymenko
parent
2a3dd53952
commit
964b30902a
361
node/Cluster.cpp
361
node/Cluster.cpp
@ -143,212 +143,223 @@ void Cluster::handleIncomingStateMessage(const void *msg,unsigned int len)
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return;
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return;
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const uint16_t fromMemberId = dmsg.at<uint16_t>(0);
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const uint16_t fromMemberId = dmsg.at<uint16_t>(0);
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unsigned int ptr = 2;
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unsigned int ptr = 2;
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if (fromMemberId == _id)
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if (fromMemberId == _id) // sanity check: we don't talk to ourselves
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return;
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return;
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const uint16_t toMemberId = dmsg.at<uint16_t>(ptr);
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const uint16_t toMemberId = dmsg.at<uint16_t>(ptr);
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ptr += 2;
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ptr += 2;
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if (toMemberId != _id)
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if (toMemberId != _id) // sanity check: message not for us?
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return;
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return;
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_Member &m = _members[fromMemberId];
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{ // make sure sender is actually considered a member
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Mutex::Lock mlck(m.lock);
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Mutex::Lock _l3(_memberIds_m);
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if (std::find(_memberIds.begin(),_memberIds.end(),fromMemberId) == _memberIds.end())
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return;
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}
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try {
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{
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while (ptr < dmsg.size()) {
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_Member &m = _members[fromMemberId];
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const unsigned int mlen = dmsg.at<uint16_t>(ptr); ptr += 2;
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Mutex::Lock mlck(m.lock);
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const unsigned int nextPtr = ptr + mlen;
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int mtype = -1;
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try {
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try {
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while (ptr < dmsg.size()) {
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switch((StateMessageType)(mtype = (int)dmsg[ptr++])) {
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const unsigned int mlen = dmsg.at<uint16_t>(ptr); ptr += 2;
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default:
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const unsigned int nextPtr = ptr + mlen;
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break;
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if (nextPtr > dmsg.size())
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break;
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case STATE_MESSAGE_ALIVE: {
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int mtype = -1;
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ptr += 7; // skip version stuff, not used yet
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try {
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m.x = dmsg.at<int32_t>(ptr); ptr += 4;
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switch((StateMessageType)(mtype = (int)dmsg[ptr++])) {
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m.y = dmsg.at<int32_t>(ptr); ptr += 4;
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default:
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m.z = dmsg.at<int32_t>(ptr); ptr += 4;
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break;
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ptr += 8; // skip local clock, not used
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m.load = dmsg.at<uint64_t>(ptr); ptr += 8;
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case STATE_MESSAGE_ALIVE: {
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ptr += 8; // skip flags, unused
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ptr += 7; // skip version stuff, not used yet
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m.x = dmsg.at<int32_t>(ptr); ptr += 4;
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m.y = dmsg.at<int32_t>(ptr); ptr += 4;
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m.z = dmsg.at<int32_t>(ptr); ptr += 4;
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ptr += 8; // skip local clock, not used
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m.load = dmsg.at<uint64_t>(ptr); ptr += 8;
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ptr += 8; // skip flags, unused
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#ifdef ZT_TRACE
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#ifdef ZT_TRACE
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std::string addrs;
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std::string addrs;
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#endif
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unsigned int physicalAddressCount = dmsg[ptr++];
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m.zeroTierPhysicalEndpoints.clear();
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for(unsigned int i=0;i<physicalAddressCount;++i) {
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m.zeroTierPhysicalEndpoints.push_back(InetAddress());
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ptr += m.zeroTierPhysicalEndpoints.back().deserialize(dmsg,ptr);
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if (!(m.zeroTierPhysicalEndpoints.back())) {
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m.zeroTierPhysicalEndpoints.pop_back();
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}
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#ifdef ZT_TRACE
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else {
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if (addrs.length() > 0)
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addrs.push_back(',');
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addrs.append(m.zeroTierPhysicalEndpoints.back().toString());
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}
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#endif
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#endif
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unsigned int physicalAddressCount = dmsg[ptr++];
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for(unsigned int i=0;i<physicalAddressCount;++i) {
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m.zeroTierPhysicalEndpoints.push_back(InetAddress());
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ptr += m.zeroTierPhysicalEndpoints.back().deserialize(dmsg,ptr);
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if (!(m.zeroTierPhysicalEndpoints.back())) {
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m.zeroTierPhysicalEndpoints.pop_back();
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}
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}
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m.lastReceivedAliveAnnouncement = RR->node->now();
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#ifdef ZT_TRACE
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#ifdef ZT_TRACE
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else {
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TRACE("[%u] I'm alive! peers may be redirected to: %s",(unsigned int)fromMemberId,addrs.c_str());
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if (addrs.length() > 0)
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addrs.push_back(',');
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addrs.append(m.zeroTierPhysicalEndpoints.back().toString());
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}
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#endif
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#endif
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}
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} break;
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m.lastReceivedAliveAnnouncement = RR->node->now();
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#ifdef ZT_TRACE
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TRACE("[%u] I'm alive! send me peers at %s",(unsigned int)fromMemberId,addrs.c_str());
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#endif
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} break;
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case STATE_MESSAGE_HAVE_PEER: {
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case STATE_MESSAGE_HAVE_PEER: {
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try {
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try {
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Identity id;
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Identity id;
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ptr += id.deserialize(dmsg,ptr);
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ptr += id.deserialize(dmsg,ptr);
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if (id) {
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if (id) {
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RR->topology->saveIdentity(id);
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RR->topology->saveIdentity(id);
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{ // Add or update peer affinity entry
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{ // Add or update peer affinity entry
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_PeerAffinity pa(id.address(),fromMemberId,RR->node->now());
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_PeerAffinity pa(id.address(),fromMemberId,RR->node->now());
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Mutex::Lock _l2(_peerAffinities_m);
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Mutex::Lock _l2(_peerAffinities_m);
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std::vector<_PeerAffinity>::iterator i(std::lower_bound(_peerAffinities.begin(),_peerAffinities.end(),pa)); // O(log(n))
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std::vector<_PeerAffinity>::iterator i(std::lower_bound(_peerAffinities.begin(),_peerAffinities.end(),pa)); // O(log(n))
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if ((i != _peerAffinities.end())&&(i->key == pa.key)) {
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if ((i != _peerAffinities.end())&&(i->key == pa.key)) {
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i->timestamp = pa.timestamp;
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i->timestamp = pa.timestamp;
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} else {
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} else {
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_peerAffinities.push_back(pa);
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_peerAffinities.push_back(pa);
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std::sort(_peerAffinities.begin(),_peerAffinities.end()); // probably a more efficient way to insert but okay for now
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std::sort(_peerAffinities.begin(),_peerAffinities.end()); // probably a more efficient way to insert but okay for now
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}
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}
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TRACE("[%u] has %s",(unsigned int)fromMemberId,id.address().toString().c_str());
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}
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} catch ( ... ) {
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// ignore invalid identities
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}
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} break;
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case STATE_MESSAGE_MULTICAST_LIKE: {
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const uint64_t nwid = dmsg.at<uint64_t>(ptr); ptr += 8;
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const Address address(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); ptr += ZT_ADDRESS_LENGTH;
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const MAC mac(dmsg.field(ptr,6),6); ptr += 6;
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const uint32_t adi = dmsg.at<uint32_t>(ptr); ptr += 4;
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RR->mc->add(RR->node->now(),nwid,MulticastGroup(mac,adi),address);
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TRACE("[%u] %s likes %s/%u on %.16llu",(unsigned int)fromMemberId,address.toString().c_str(),mac.toString().c_str(),(unsigned int)adi,nwid);
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} break;
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case STATE_MESSAGE_COM: {
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CertificateOfMembership com;
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ptr += com.deserialize(dmsg,ptr);
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if (com) {
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TRACE("[%u] COM for %s on %.16llu rev %llu",(unsigned int)fromMemberId,com.issuedTo().toString().c_str(),com.networkId(),com.revision());
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}
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} break;
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case STATE_MESSAGE_RELAY: {
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const unsigned int numRemotePeerPaths = dmsg[ptr++];
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InetAddress remotePeerPaths[256]; // size is 8-bit, so 256 is max
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for(unsigned int i=0;i<numRemotePeerPaths;++i)
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ptr += remotePeerPaths[i].deserialize(dmsg,ptr);
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const unsigned int packetLen = dmsg.at<uint16_t>(ptr); ptr += 2;
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const void *packet = (const void *)dmsg.field(ptr,packetLen); ptr += packetLen;
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if (packetLen >= ZT_PROTO_MIN_FRAGMENT_LENGTH) { // ignore anything too short to contain a dest address
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const Address destinationAddress(reinterpret_cast<const char *>(packet) + 8,ZT_ADDRESS_LENGTH);
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TRACE("[%u] relay %u bytes to %s (%u remote paths included)",(unsigned int)fromMemberId,packetLen,destinationAddress.toString().c_str(),numRemotePeerPaths);
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SharedPtr<Peer> destinationPeer(RR->topology->getPeer(destinationAddress));
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if (destinationPeer) {
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if (
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(destinationPeer->send(RR,packet,packetLen,RR->node->now()))&&
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(numRemotePeerPaths > 0)&&
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(packetLen >= 18)&&
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(reinterpret_cast<const unsigned char *>(packet)[ZT_PACKET_FRAGMENT_IDX_FRAGMENT_INDICATOR] == ZT_PACKET_FRAGMENT_INDICATOR)
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) {
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// If remote peer paths were sent with this relayed packet, we do
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// RENDEZVOUS. It's handled here for cluster-relayed packets since
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// we don't have both Peer records so this is a different path.
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const Address remotePeerAddress(reinterpret_cast<const char *>(packet) + 13,ZT_ADDRESS_LENGTH);
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InetAddress bestDestV4,bestDestV6;
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destinationPeer->getBestActiveAddresses(RR->node->now(),bestDestV4,bestDestV6);
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InetAddress bestRemoteV4,bestRemoteV6;
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for(unsigned int i=0;i<numRemotePeerPaths;++i) {
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if ((bestRemoteV4)&&(bestRemoteV6))
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break;
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switch(remotePeerPaths[i].ss_family) {
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case AF_INET:
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if (!bestRemoteV4)
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bestRemoteV4 = remotePeerPaths[i];
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break;
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case AF_INET6:
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if (!bestRemoteV6)
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bestRemoteV6 = remotePeerPaths[i];
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break;
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}
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}
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}
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}
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Packet rendezvousForDest(destinationAddress,RR->identity.address(),Packet::VERB_RENDEZVOUS);
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TRACE("[%u] has %s",(unsigned int)fromMemberId,id.address().toString().c_str());
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rendezvousForDest.append((uint8_t)0);
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}
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remotePeerAddress.appendTo(rendezvousForDest);
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} catch ( ... ) {
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// ignore invalid identities
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}
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} break;
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Buffer<2048> rendezvousForOtherEnd;
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case STATE_MESSAGE_MULTICAST_LIKE: {
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remotePeerAddress.appendTo(rendezvousForOtherEnd);
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const uint64_t nwid = dmsg.at<uint64_t>(ptr); ptr += 8;
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rendezvousForOtherEnd.append((uint8_t)Packet::VERB_RENDEZVOUS);
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const Address address(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); ptr += ZT_ADDRESS_LENGTH;
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const unsigned int rendezvousForOtherEndPayloadSizePtr = rendezvousForOtherEnd.size();
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const MAC mac(dmsg.field(ptr,6),6); ptr += 6;
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rendezvousForOtherEnd.addSize(2); // space for actual packet payload length
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const uint32_t adi = dmsg.at<uint32_t>(ptr); ptr += 4;
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rendezvousForOtherEnd.append((uint8_t)0); // flags == 0
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RR->mc->add(RR->node->now(),nwid,MulticastGroup(mac,adi),address);
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destinationAddress.appendTo(rendezvousForOtherEnd);
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TRACE("[%u] %s likes %s/%u on %.16llu",(unsigned int)fromMemberId,address.toString().c_str(),mac.toString().c_str(),(unsigned int)adi,nwid);
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} break;
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bool haveMatch = false;
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case STATE_MESSAGE_COM: {
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if ((bestDestV6)&&(bestRemoteV6)) {
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CertificateOfMembership com;
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haveMatch = true;
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ptr += com.deserialize(dmsg,ptr);
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if (com) {
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TRACE("[%u] COM for %s on %.16llu rev %llu",(unsigned int)fromMemberId,com.issuedTo().toString().c_str(),com.networkId(),com.revision());
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}
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} break;
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rendezvousForDest.append((uint16_t)bestRemoteV6.port());
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case STATE_MESSAGE_RELAY: {
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rendezvousForDest.append((uint8_t)16);
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const unsigned int numRemotePeerPaths = dmsg[ptr++];
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rendezvousForDest.append(bestRemoteV6.rawIpData(),16);
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InetAddress remotePeerPaths[256]; // size is 8-bit, so 256 is max
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for(unsigned int i=0;i<numRemotePeerPaths;++i)
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ptr += remotePeerPaths[i].deserialize(dmsg,ptr);
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const unsigned int packetLen = dmsg.at<uint16_t>(ptr); ptr += 2;
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const void *packet = (const void *)dmsg.field(ptr,packetLen); ptr += packetLen;
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rendezvousForOtherEnd.append((uint16_t)bestDestV6.port());
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if (packetLen >= ZT_PROTO_MIN_FRAGMENT_LENGTH) { // ignore anything too short to contain a dest address
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rendezvousForOtherEnd.append((uint8_t)16);
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const Address destinationAddress(reinterpret_cast<const char *>(packet) + 8,ZT_ADDRESS_LENGTH);
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rendezvousForOtherEnd.append(bestDestV6.rawIpData(),16);
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TRACE("[%u] relay %u bytes to %s (%u remote paths included)",(unsigned int)fromMemberId,packetLen,destinationAddress.toString().c_str(),numRemotePeerPaths);
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rendezvousForOtherEnd.setAt<uint16_t>(rendezvousForOtherEndPayloadSizePtr,(uint16_t)(9 + 16));
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} else if ((bestDestV4)&&(bestRemoteV4)) {
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haveMatch = true;
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rendezvousForDest.append((uint16_t)bestRemoteV4.port());
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SharedPtr<Peer> destinationPeer(RR->topology->getPeer(destinationAddress));
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rendezvousForDest.append((uint8_t)4);
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if (destinationPeer) {
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rendezvousForDest.append(bestRemoteV4.rawIpData(),4);
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if (
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(destinationPeer->send(RR,packet,packetLen,RR->node->now()))&&
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(numRemotePeerPaths > 0)&&
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(packetLen >= 18)&&
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(reinterpret_cast<const unsigned char *>(packet)[ZT_PACKET_FRAGMENT_IDX_FRAGMENT_INDICATOR] == ZT_PACKET_FRAGMENT_INDICATOR)
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) {
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// If remote peer paths were sent with this relayed packet, we do
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// RENDEZVOUS. It's handled here for cluster-relayed packets since
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// we don't have both Peer records so this is a different path.
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rendezvousForOtherEnd.append((uint16_t)bestDestV4.port());
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const Address remotePeerAddress(reinterpret_cast<const char *>(packet) + 13,ZT_ADDRESS_LENGTH);
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rendezvousForOtherEnd.append((uint8_t)4);
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rendezvousForOtherEnd.append(bestDestV4.rawIpData(),4);
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rendezvousForOtherEnd.setAt<uint16_t>(rendezvousForOtherEndPayloadSizePtr,(uint16_t)(9 + 4));
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}
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if (haveMatch) {
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InetAddress bestDestV4,bestDestV6;
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_send(fromMemberId,STATE_MESSAGE_PROXY_SEND,rendezvousForOtherEnd.data(),rendezvousForOtherEnd.size());
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destinationPeer->getBestActiveAddresses(RR->node->now(),bestDestV4,bestDestV6);
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RR->sw->send(rendezvousForDest,true,0);
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InetAddress bestRemoteV4,bestRemoteV6;
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for(unsigned int i=0;i<numRemotePeerPaths;++i) {
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if ((bestRemoteV4)&&(bestRemoteV6))
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break;
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switch(remotePeerPaths[i].ss_family) {
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case AF_INET:
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if (!bestRemoteV4)
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bestRemoteV4 = remotePeerPaths[i];
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break;
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case AF_INET6:
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if (!bestRemoteV6)
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bestRemoteV6 = remotePeerPaths[i];
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break;
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}
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}
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Packet rendezvousForDest(destinationAddress,RR->identity.address(),Packet::VERB_RENDEZVOUS);
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rendezvousForDest.append((uint8_t)0);
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remotePeerAddress.appendTo(rendezvousForDest);
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Buffer<2048> rendezvousForOtherEnd;
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remotePeerAddress.appendTo(rendezvousForOtherEnd);
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rendezvousForOtherEnd.append((uint8_t)Packet::VERB_RENDEZVOUS);
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const unsigned int rendezvousForOtherEndPayloadSizePtr = rendezvousForOtherEnd.size();
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rendezvousForOtherEnd.addSize(2); // space for actual packet payload length
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rendezvousForOtherEnd.append((uint8_t)0); // flags == 0
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destinationAddress.appendTo(rendezvousForOtherEnd);
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bool haveMatch = false;
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if ((bestDestV6)&&(bestRemoteV6)) {
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haveMatch = true;
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rendezvousForDest.append((uint16_t)bestRemoteV6.port());
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rendezvousForDest.append((uint8_t)16);
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rendezvousForDest.append(bestRemoteV6.rawIpData(),16);
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rendezvousForOtherEnd.append((uint16_t)bestDestV6.port());
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rendezvousForOtherEnd.append((uint8_t)16);
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rendezvousForOtherEnd.append(bestDestV6.rawIpData(),16);
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rendezvousForOtherEnd.setAt<uint16_t>(rendezvousForOtherEndPayloadSizePtr,(uint16_t)(9 + 16));
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} else if ((bestDestV4)&&(bestRemoteV4)) {
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haveMatch = true;
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rendezvousForDest.append((uint16_t)bestRemoteV4.port());
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rendezvousForDest.append((uint8_t)4);
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rendezvousForDest.append(bestRemoteV4.rawIpData(),4);
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rendezvousForOtherEnd.append((uint16_t)bestDestV4.port());
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|
rendezvousForOtherEnd.append((uint8_t)4);
|
||||||
|
rendezvousForOtherEnd.append(bestDestV4.rawIpData(),4);
|
||||||
|
rendezvousForOtherEnd.setAt<uint16_t>(rendezvousForOtherEndPayloadSizePtr,(uint16_t)(9 + 4));
|
||||||
|
}
|
||||||
|
|
||||||
|
if (haveMatch) {
|
||||||
|
_send(fromMemberId,STATE_MESSAGE_PROXY_SEND,rendezvousForOtherEnd.data(),rendezvousForOtherEnd.size());
|
||||||
|
RR->sw->send(rendezvousForDest,true,0);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
} break;
|
||||||
} break;
|
|
||||||
|
|
||||||
case STATE_MESSAGE_PROXY_SEND: {
|
case STATE_MESSAGE_PROXY_SEND: {
|
||||||
const Address rcpt(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH);
|
const Address rcpt(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH);
|
||||||
const Packet::Verb verb = (Packet::Verb)dmsg[ptr++];
|
const Packet::Verb verb = (Packet::Verb)dmsg[ptr++];
|
||||||
const unsigned int len = dmsg.at<uint16_t>(ptr); ptr += 2;
|
const unsigned int len = dmsg.at<uint16_t>(ptr); ptr += 2;
|
||||||
Packet outp(rcpt,RR->identity.address(),verb);
|
Packet outp(rcpt,RR->identity.address(),verb);
|
||||||
outp.append(dmsg.field(ptr,len),len);
|
outp.append(dmsg.field(ptr,len),len);
|
||||||
RR->sw->send(outp,true,0);
|
RR->sw->send(outp,true,0);
|
||||||
TRACE("[%u] proxy send %s to %s length %u",(unsigned int)fromMemberId,Packet::verbString(verb),rcpt.toString().c_str(),len);
|
TRACE("[%u] proxy send %s to %s length %u",(unsigned int)fromMemberId,Packet::verbString(verb),rcpt.toString().c_str(),len);
|
||||||
} break;
|
} break;
|
||||||
|
}
|
||||||
|
} catch ( ... ) {
|
||||||
|
TRACE("invalid message of size %u type %d (inner decode), discarding",mlen,mtype);
|
||||||
|
// drop invalids
|
||||||
}
|
}
|
||||||
} catch ( ... ) {
|
|
||||||
TRACE("invalid message of size %u type %d (inner decode), discarding",mlen,mtype);
|
|
||||||
// drop invalids
|
|
||||||
}
|
|
||||||
|
|
||||||
ptr = nextPtr;
|
ptr = nextPtr;
|
||||||
|
}
|
||||||
|
} catch ( ... ) {
|
||||||
|
TRACE("invalid message (outer loop), discarding");
|
||||||
|
// drop invalids
|
||||||
}
|
}
|
||||||
} catch ( ... ) {
|
|
||||||
TRACE("invalid message (outer loop), discarding");
|
|
||||||
// drop invalids
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user