Cluster simplification and refactor work in progress...

This commit is contained in:
Adam Ierymenko 2015-11-08 13:57:02 -08:00
parent 6bc8c9d8ef
commit 57b71bfff0
5 changed files with 371 additions and 335 deletions

View file

@ -86,7 +86,8 @@ Cluster::Cluster(
_peerAffinities(65536),
_lastCleanedPeerAffinities(0),
_lastCheckedPeersForAnnounce(0),
_lastFlushed(0)
_lastFlushed(0),
_lastCleanedRemotePeers(0)
{
uint16_t stmp[ZT_SHA512_DIGEST_LEN / sizeof(uint16_t)];
@ -107,6 +108,9 @@ Cluster::~Cluster()
Utils::burn(_masterSecret,sizeof(_masterSecret));
Utils::burn(_key,sizeof(_key));
delete [] _members;
for(std::multimap<Address,_SQE *>::iterator qi(_sendViaClusterQueue.begin());qi!=_sendViaClusterQueue.end();)
delete qi->second;
}
void Cluster::handleIncomingStateMessage(const void *msg,unsigned int len)
@ -160,222 +164,263 @@ void Cluster::handleIncomingStateMessage(const void *msg,unsigned int len)
return;
}
{
_Member &m = _members[fromMemberId];
Mutex::Lock mlck(m.lock);
_Member &m = _members[fromMemberId];
try {
while (ptr < dmsg.size()) {
const unsigned int mlen = dmsg.at<uint16_t>(ptr); ptr += 2;
const unsigned int nextPtr = ptr + mlen;
if (nextPtr > dmsg.size())
break;
try {
while (ptr < dmsg.size()) {
const unsigned int mlen = dmsg.at<uint16_t>(ptr); ptr += 2;
const unsigned int nextPtr = ptr + mlen;
if (nextPtr > dmsg.size())
break;
int mtype = -1;
try {
switch((StateMessageType)(mtype = (int)dmsg[ptr++])) {
default:
break;
int mtype = -1;
try {
switch((StateMessageType)(mtype = (int)dmsg[ptr++])) {
default:
break;
case STATE_MESSAGE_ALIVE: {
ptr += 7; // skip version stuff, not used yet
m.x = dmsg.at<int32_t>(ptr); ptr += 4;
m.y = dmsg.at<int32_t>(ptr); ptr += 4;
m.z = dmsg.at<int32_t>(ptr); ptr += 4;
ptr += 8; // skip local clock, not used
m.load = dmsg.at<uint64_t>(ptr); ptr += 8;
m.peers = dmsg.at<uint64_t>(ptr); ptr += 8;
ptr += 8; // skip flags, unused
case CLUSTER_MESSAGE_ALIVE: {
Mutex::Lock mlck(m.lock);
ptr += 7; // skip version stuff, not used yet
m.x = dmsg.at<int32_t>(ptr); ptr += 4;
m.y = dmsg.at<int32_t>(ptr); ptr += 4;
m.z = dmsg.at<int32_t>(ptr); ptr += 4;
ptr += 8; // skip local clock, not used
m.load = dmsg.at<uint64_t>(ptr); ptr += 8;
m.peers = dmsg.at<uint64_t>(ptr); ptr += 8;
ptr += 8; // skip flags, unused
#ifdef ZT_TRACE
std::string addrs;
#endif
unsigned int physicalAddressCount = dmsg[ptr++];
m.zeroTierPhysicalEndpoints.clear();
for(unsigned int i=0;i<physicalAddressCount;++i) {
m.zeroTierPhysicalEndpoints.push_back(InetAddress());
ptr += m.zeroTierPhysicalEndpoints.back().deserialize(dmsg,ptr);
if (!(m.zeroTierPhysicalEndpoints.back())) {
m.zeroTierPhysicalEndpoints.pop_back();
}
#ifdef ZT_TRACE
else {
if (addrs.length() > 0)
addrs.push_back(',');
addrs.append(m.zeroTierPhysicalEndpoints.back().toString());
}
std::string addrs;
#endif
unsigned int physicalAddressCount = dmsg[ptr++];
m.zeroTierPhysicalEndpoints.clear();
for(unsigned int i=0;i<physicalAddressCount;++i) {
m.zeroTierPhysicalEndpoints.push_back(InetAddress());
ptr += m.zeroTierPhysicalEndpoints.back().deserialize(dmsg,ptr);
if (!(m.zeroTierPhysicalEndpoints.back())) {
m.zeroTierPhysicalEndpoints.pop_back();
}
#ifdef ZT_TRACE
if ((RR->node->now() - m.lastReceivedAliveAnnouncement) >= ZT_CLUSTER_TIMEOUT) {
TRACE("[%u] I'm alive! peers close to %d,%d,%d can be redirected to: %s",(unsigned int)fromMemberId,m.x,m.y,m.z,addrs.c_str());
else {
if (addrs.length() > 0)
addrs.push_back(',');
addrs.append(m.zeroTierPhysicalEndpoints.back().toString());
}
#endif
m.lastReceivedAliveAnnouncement = RR->node->now();
} break;
}
#ifdef ZT_TRACE
if ((RR->node->now() - m.lastReceivedAliveAnnouncement) >= ZT_CLUSTER_TIMEOUT) {
TRACE("[%u] I'm alive! peers close to %d,%d,%d can be redirected to: %s",(unsigned int)fromMemberId,m.x,m.y,m.z,addrs.c_str());
}
#endif
m.lastReceivedAliveAnnouncement = RR->node->now();
} break;
case STATE_MESSAGE_HAVE_PEER: {
const Address zeroTierAddress(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); ptr += ZT_ADDRESS_LENGTH;
Mutex::Lock _l2(_peerAffinities_m);
_peerAffinities.set(zeroTierAddress,fromMemberId);
TRACE("[%u] has %s @ %s",(unsigned int)fromMemberId,id.address().toString().c_str(),physicalAddress.toString().c_str());
} break;
case CLUSTER_MESSAGE_HAVE_PEER: {
Identity id;
ptr += id.deserialize(dmsg,ptr);
if (id) {
RR->topology->saveIdentity(id);
case STATE_MESSAGE_WANT_PEER: {
const Address zeroTierAddress(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); ptr += ZT_ADDRESS_LENGTH;
SharedPtr<Peer> peer(RR->topology->getPeerNoCache(zeroTierAddress));
if ((peer)&&(peer->hasActiveDirectPath(RR->node->now()))) {
char buf[ZT_ADDRESS_LENGTH];
peer->address().copyTo(buf,ZT_ADDRESS_LENGTH);
Mutex::Lock _l2(_members[fromMemberId].lock);
_send(fromMemberId,STATE_MESSAGE_HAVE_PEER,buf,ZT_ADDRESS_LENGTH);
_flush(fromMemberId);
{
Mutex::Lock _l(_remotePeers_m);
_remotePeers[std::pair<Address,unsigned int>(id.address(),(unsigned int)fromMemberId)] = RR->node->now();
}
} break;
case STATE_MESSAGE_MULTICAST_LIKE: {
const uint64_t nwid = dmsg.at<uint64_t>(ptr); ptr += 8;
const Address address(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); ptr += ZT_ADDRESS_LENGTH;
const MAC mac(dmsg.field(ptr,6),6); ptr += 6;
const uint32_t adi = dmsg.at<uint32_t>(ptr); ptr += 4;
RR->mc->add(RR->node->now(),nwid,MulticastGroup(mac,adi),address);
TRACE("[%u] %s likes %s/%.8x on %.16llx",(unsigned int)fromMemberId,address.toString().c_str(),mac.toString().c_str(),(unsigned int)adi,nwid);
} break;
case STATE_MESSAGE_COM: {
/* not currently used so not decoded yet
CertificateOfMembership com;
ptr += com.deserialize(dmsg,ptr);
if (com) {
TRACE("[%u] COM for %s on %.16llu rev %llu",(unsigned int)fromMemberId,com.issuedTo().toString().c_str(),com.networkId(),com.revision());
}
*/
} break;
case STATE_MESSAGE_PROXY_UNITE: {
const Address localPeerAddress(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); ptr += ZT_ADDRESS_LENGTH;
const Address remotePeerAddress(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); ptr += ZT_ADDRESS_LENGTH;
const unsigned int numRemotePeerPaths = dmsg[ptr++];
InetAddress remotePeerPaths[256]; // size is 8-bit, so 256 is max
for(unsigned int i=0;i<numRemotePeerPaths;++i)
ptr += remotePeerPaths[i].deserialize(dmsg,ptr);
TRACE("[%u] requested that we unite local %s with remote %s",(unsigned int)fromMemberId,localPeerAddress.toString().c_str(),remotePeerAddress.toString().c_str());
const uint64_t now = RR->node->now();
SharedPtr<Peer> localPeer(RR->topology->getPeerNoCache(localPeerAddress));
if ((localPeer)&&(numRemotePeerPaths > 0)) {
InetAddress bestLocalV4,bestLocalV6;
localPeer->getBestActiveAddresses(now,bestLocalV4,bestLocalV6);
InetAddress bestRemoteV4,bestRemoteV6;
for(unsigned int i=0;i<numRemotePeerPaths;++i) {
if ((bestRemoteV4)&&(bestRemoteV6))
std::pair<Address,_SQE *> q[ZT_CLUSTER_MAX_QUEUE_PER_SENDER];
unsigned int qc = 0;
{
Mutex::Lock _l(_sendViaClusterQueue_m);
std::pair< std::multimap<Address,_SQE *>::iterator,std::multimap<Address,_SQE>::iterator > er(_sendViaClusterQueue.equal_range(id.address()));
for(std::multimap<Address,_SQE *>::iterator qi(er.first);qi!=er.second;) {
if (qc >= ZT_CLUSTER_MAX_QUEUE_PER_SENDER) // sanity check
break;
switch(remotePeerPaths[i].ss_family) {
case AF_INET:
if (!bestRemoteV4)
bestRemoteV4 = remotePeerPaths[i];
break;
case AF_INET6:
if (!bestRemoteV6)
bestRemoteV6 = remotePeerPaths[i];
break;
}
}
Packet rendezvousForLocal(localPeerAddress,RR->identity.address(),Packet::VERB_RENDEZVOUS);
rendezvousForLocal.append((uint8_t)0);
remotePeerAddress.appendTo(rendezvousForLocal);
Buffer<2048> rendezvousForRemote;
remotePeerAddress.appendTo(rendezvousForRemote);
rendezvousForRemote.append((uint8_t)Packet::VERB_RENDEZVOUS);
const unsigned int rendezvousForOtherEndPayloadSizePtr = rendezvousForRemote.size();
rendezvousForRemote.addSize(2); // space for actual packet payload length
rendezvousForRemote.append((uint8_t)0); // flags == 0
localPeerAddress.appendTo(rendezvousForRemote);
bool haveMatch = false;
if ((bestLocalV6)&&(bestRemoteV6)) {
haveMatch = true;
rendezvousForLocal.append((uint16_t)bestRemoteV6.port());
rendezvousForLocal.append((uint8_t)16);
rendezvousForLocal.append(bestRemoteV6.rawIpData(),16);
rendezvousForRemote.append((uint16_t)bestLocalV6.port());
rendezvousForRemote.append((uint8_t)16);
rendezvousForRemote.append(bestLocalV6.rawIpData(),16);
rendezvousForRemote.setAt<uint16_t>(rendezvousForOtherEndPayloadSizePtr,(uint16_t)(9 + 16));
} else if ((bestLocalV4)&&(bestRemoteV4)) {
haveMatch = true;
rendezvousForLocal.append((uint16_t)bestRemoteV4.port());
rendezvousForLocal.append((uint8_t)4);
rendezvousForLocal.append(bestRemoteV4.rawIpData(),4);
rendezvousForRemote.append((uint16_t)bestLocalV4.port());
rendezvousForRemote.append((uint8_t)4);
rendezvousForRemote.append(bestLocalV4.rawIpData(),4);
rendezvousForRemote.setAt<uint16_t>(rendezvousForOtherEndPayloadSizePtr,(uint16_t)(9 + 4));
}
if (haveMatch) {
_send(fromMemberId,STATE_MESSAGE_PROXY_SEND,rendezvousForRemote.data(),rendezvousForRemote.size());
_flush(fromMemberId);
RR->sw->send(rendezvousForLocal,true,0);
q[qc++] = *qi;
_sendViaClusterQueue.erase(qi++);
}
}
} break;
for(unsigned int i=0;i<qc;++i) {
this->sendViaCluster(q[i].first,q[i].second->toPeerAddress,q[i].second->data,q[i].second->len,q[i].second->unite);
delete q[i].second;
}
case STATE_MESSAGE_PROXY_SEND: {
const Address rcpt(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); ptr += ZT_ADDRESS_LENGTH;
const Packet::Verb verb = (Packet::Verb)dmsg[ptr++];
const unsigned int len = dmsg.at<uint16_t>(ptr); ptr += 2;
Packet outp(rcpt,RR->identity.address(),verb);
outp.append(dmsg.field(ptr,len),len); ptr += len;
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);
} break;
}
} catch ( ... ) {
TRACE("invalid message of size %u type %d (inner decode), discarding",mlen,mtype);
// drop invalids
TRACE("[%u] has %s",(unsigned int)fromMemberId,id.address().toString().c_str());
}
} break;
case CLUSTER_MESSAGE_WANT_PEER: {
const Address zeroTierAddress(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); ptr += ZT_ADDRESS_LENGTH;
SharedPtr<Peer> peer(RR->topology->getPeerNoCache(zeroTierAddress));
if ( (peer) && (peer->hasActiveDirectPath(RR->node->now())) ) {
Buffer<1024> buf;
peer->identity().serialize(buf);
Mutex::Lock _l2(_members[fromMemberId].lock);
_send(fromMemberId,CLUSTER_MESSAGE_HAVE_PEER,buf.data(),buf.size());
_flush(fromMemberId); // lookups are latency sensitive
}
}
} break;
case CLUSTER_MESSAGE_REMOTE_PACKET: {
const unsigned int plen = dmsg.at<uint16_t>(ptr); ptr += 2;
if (plen) {
Packet remotep(dmsg.field(ptr,plen),plen); ptr += plen;
TRACE("remote %s from %s via %u (%u bytes)",Packet::verbString(remotep.verb()),remotep.source().toString().c_str(),fromMemberId,plen);
switch(remotep.verb()) {
case Packet::VERB_WHOIS: _doREMOTE_WHOIS(fromMemberId,remotep); break;
case Packet::VERB_MULTICAST_GATHER: _doREMOTE_MULTICAST_GATHER(fromMemberId,remotep); break;
default: break; // ignore things we don't care about across cluster
}
}
} break;
case CLUSTER_MESSAGE_PROXY_UNITE: {
const Address localPeerAddress(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); ptr += ZT_ADDRESS_LENGTH;
const Address remotePeerAddress(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); ptr += ZT_ADDRESS_LENGTH;
const unsigned int numRemotePeerPaths = dmsg[ptr++];
InetAddress remotePeerPaths[256]; // size is 8-bit, so 256 is max
for(unsigned int i=0;i<numRemotePeerPaths;++i)
ptr += remotePeerPaths[i].deserialize(dmsg,ptr);
TRACE("[%u] requested that we unite local %s with remote %s",(unsigned int)fromMemberId,localPeerAddress.toString().c_str(),remotePeerAddress.toString().c_str());
const uint64_t now = RR->node->now();
SharedPtr<Peer> localPeer(RR->topology->getPeerNoCache(localPeerAddress));
if ((localPeer)&&(numRemotePeerPaths > 0)) {
InetAddress bestLocalV4,bestLocalV6;
localPeer->getBestActiveAddresses(now,bestLocalV4,bestLocalV6);
InetAddress bestRemoteV4,bestRemoteV6;
for(unsigned int i=0;i<numRemotePeerPaths;++i) {
if ((bestRemoteV4)&&(bestRemoteV6))
break;
switch(remotePeerPaths[i].ss_family) {
case AF_INET:
if (!bestRemoteV4)
bestRemoteV4 = remotePeerPaths[i];
break;
case AF_INET6:
if (!bestRemoteV6)
bestRemoteV6 = remotePeerPaths[i];
break;
}
}
Packet rendezvousForLocal(localPeerAddress,RR->identity.address(),Packet::VERB_RENDEZVOUS);
rendezvousForLocal.append((uint8_t)0);
remotePeerAddress.appendTo(rendezvousForLocal);
Buffer<2048> rendezvousForRemote;
remotePeerAddress.appendTo(rendezvousForRemote);
rendezvousForRemote.append((uint8_t)Packet::VERB_RENDEZVOUS);
const unsigned int rendezvousForOtherEndPayloadSizePtr = rendezvousForRemote.size();
rendezvousForRemote.addSize(2); // space for actual packet payload length
rendezvousForRemote.append((uint8_t)0); // flags == 0
localPeerAddress.appendTo(rendezvousForRemote);
bool haveMatch = false;
if ((bestLocalV6)&&(bestRemoteV6)) {
haveMatch = true;
rendezvousForLocal.append((uint16_t)bestRemoteV6.port());
rendezvousForLocal.append((uint8_t)16);
rendezvousForLocal.append(bestRemoteV6.rawIpData(),16);
rendezvousForRemote.append((uint16_t)bestLocalV6.port());
rendezvousForRemote.append((uint8_t)16);
rendezvousForRemote.append(bestLocalV6.rawIpData(),16);
rendezvousForRemote.setAt<uint16_t>(rendezvousForOtherEndPayloadSizePtr,(uint16_t)(9 + 16));
} else if ((bestLocalV4)&&(bestRemoteV4)) {
haveMatch = true;
rendezvousForLocal.append((uint16_t)bestRemoteV4.port());
rendezvousForLocal.append((uint8_t)4);
rendezvousForLocal.append(bestRemoteV4.rawIpData(),4);
rendezvousForRemote.append((uint16_t)bestLocalV4.port());
rendezvousForRemote.append((uint8_t)4);
rendezvousForRemote.append(bestLocalV4.rawIpData(),4);
rendezvousForRemote.setAt<uint16_t>(rendezvousForOtherEndPayloadSizePtr,(uint16_t)(9 + 4));
}
if (haveMatch) {
_send(fromMemberId,CLUSTER_MESSAGE_PROXY_SEND,rendezvousForRemote.data(),rendezvousForRemote.size());
_flush(fromMemberId);
RR->sw->send(rendezvousForLocal,true,0);
}
}
} break;
case CLUSTER_MESSAGE_PROXY_SEND: {
const Address rcpt(dmsg.field(ptr,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); ptr += ZT_ADDRESS_LENGTH;
const Packet::Verb verb = (Packet::Verb)dmsg[ptr++];
const unsigned int len = dmsg.at<uint16_t>(ptr); ptr += 2;
Packet outp(rcpt,RR->identity.address(),verb);
outp.append(dmsg.field(ptr,len),len); ptr += len;
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);
} break;
}
ptr = nextPtr;
} catch ( ... ) {
TRACE("invalid message of size %u type %d (inner decode), discarding",mlen,mtype);
// drop invalids
}
} catch ( ... ) {
TRACE("invalid message (outer loop), discarding");
// drop invalids
ptr = nextPtr;
}
} catch ( ... ) {
TRACE("invalid message (outer loop), discarding");
// drop invalids
}
}
bool Cluster::sendViaCluster(const Address &fromPeerAddress,const Address &toPeerAddress,const void *data,unsigned int len,bool unite)
{
if (len > 16384) // sanity check
if (len > ZT_PROTO_MAX_PACKET_LENGTH) // sanity check
return false;
const uint64_t now = RR->node->now();
unsigned int canHasPeer = 0;
uint64_t mostRecentTs = 0;
unsigned int mostRecentMemberId = 0xffffffff;
{
Mutex::Lock _l2(_peerAffinities_m);
const unsigned int *pa = _peerAffinities.get(toPeerAddress);
if (!pa) {
char buf[ZT_ADDRESS_LENGTH];
peerId.address().copyTo(buf,ZT_ADDRESS_LENGTH);
{
Mutex::Lock _l(_memberIds_m);
for(std::vector<uint16_t>::const_iterator mid(_memberIds.begin());mid!=_memberIds.end();++mid) {
Mutex::Lock _l2(_members[*mid].lock);
_send(*mid,STATE_MESSAGE_WANT_PEER,buf,ZT_ADDRESS_LENGTH);
}
Mutex::Lock _l2(_remotePeers_m);
std::map< std::pair<Address,unsigned int>,uint64_t >::const_iterator rpe(_remotePeers.lower_bound(std::pair<Address,unsigned int>(fromPeerAddress,0)));
for(;;) {
if ((rpe == _remotePeers.end())||(rpe->first.first != fromPeerAddress))
break;
else if (rpe->second > mostRecentTs) {
mostRecentTs = rpe->second;
mostRecentMemberId = rpe->first.second;
}
return false;
}
canHasPeer = *pa;
}
const uint64_t age = now - mostRecentTs;
if (age >= (ZT_PEER_ACTIVITY_TIMEOUT / 3)) {
// Poll everyone with WANT_PEER if the age of our most recent entry is
// approaching expiration (or has expired, or does not exist).
char tmp[ZT_ADDRESS_LENGTH];
toPeerAddress.copyTo(tmp,ZT_ADDRESS_LENGTH);
{
Mutex::Lock _l(_memberIds_m);
for(std::vector<uint16_t>::const_iterator mid(_memberIds.begin());mid!=_memberIds.end();++mid) {
Mutex::Lock _l2(_members[*mid].lock);
_send(*mid,CLUSTER_MESSAGE_WANT_PEER,tmp,ZT_ADDRESS_LENGTH);
if (mostRecentMemberId > 0xffff)
_flush(*mid); // latency sensitive if we don't have one
}
}
// If there isn't a good place to send via, then enqueue this for retrying
// later and return after having broadcasted a WANT_PEER.
if ((age >= ZT_PEER_ACTIVITY_TIMEOUT)||(mostRecentMemberId > 0xffff)) {
Mutex::Lock _l(_sendViaClusterQueue_m);
if (_sendViaClusterQueue.count(fromPeerAddress) < ZT_CLUSTER_MAX_QUEUE_PER_SENDER)
_sendViaClusterQueue.insert(std::pair<Address,_SQE *>(fromPeerAddress,new _SQE(now,toPeerAddress,data,len,unite)));
return true;
}
}
Buffer<1024> buf;
@ -401,11 +446,14 @@ bool Cluster::sendViaCluster(const Address &fromPeerAddress,const Address &toPee
v6.serialize(buf);
}
}
{
Mutex::Lock _l2(_members[canHasPeer].lock);
if (buf.size() > 0)
_send(canHasPeer,STATE_MESSAGE_PROXY_UNITE,buf.data(),buf.size());
if (_members[canHasPeer].zeroTierPhysicalEndpoints.size() > 0)
Mutex::Lock _l2(_members[mostRecentMemberId].lock);
if (buf.size() > 0) {
_send(canHasPeer,CLUSTER_MESSAGE_PROXY_UNITE,buf.data(),buf.size());
_flush(canHasPeer); // latency sensitive
}
if (_members[mostRecentMemberId].zeroTierPhysicalEndpoints.size() > 0)
RR->node->putPacket(InetAddress(),_members[canHasPeer].zeroTierPhysicalEndpoints.front(),data,len);
}
@ -414,62 +462,43 @@ bool Cluster::sendViaCluster(const Address &fromPeerAddress,const Address &toPee
return true;
}
void Cluster::replicateHavePeer(const Identity &peerId)
void Cluster::sendDistributedQuery(const Packet &pkt)
{
char buf[ZT_ADDRESS_LENGTH];
peerId.address().copyTo(buf,ZT_ADDRESS_LENGTH);
{
Mutex::Lock _l(_memberIds_m);
for(std::vector<uint16_t>::const_iterator mid(_memberIds.begin());mid!=_memberIds.end();++mid) {
Mutex::Lock _l2(_members[*mid].lock);
_send(*mid,STATE_MESSAGE_HAVE_PEER,buf,ZT_ADDRESS_LENGTH);
}
}
}
void Cluster::replicateMulticastLike(uint64_t nwid,const Address &peerAddress,const MulticastGroup &group)
{
Buffer<1024> buf;
buf.append((uint64_t)nwid);
peerAddress.appendTo(buf);
group.mac().appendTo(buf);
buf.append((uint32_t)group.adi());
TRACE("replicating %s MULTICAST_LIKE %.16llx/%s/%u to all members",peerAddress.toString().c_str(),nwid,group.mac().toString().c_str(),(unsigned int)group.adi());
{
Mutex::Lock _l(_memberIds_m);
for(std::vector<uint16_t>::const_iterator mid(_memberIds.begin());mid!=_memberIds.end();++mid) {
Mutex::Lock _l2(_members[*mid].lock);
_send(*mid,STATE_MESSAGE_MULTICAST_LIKE,buf.data(),buf.size());
}
}
}
void Cluster::replicateCertificateOfNetworkMembership(const CertificateOfMembership &com)
{
/* not used yet, so don't do this yet
Buffer<4096> buf;
com.serialize(buf);
TRACE("replicating %s COM for %.16llx to all members",com.issuedTo().toString().c_str(),com.networkId());
{
Mutex::Lock _l(_memberIds_m);
for(std::vector<uint16_t>::const_iterator mid(_memberIds.begin());mid!=_memberIds.end();++mid) {
Mutex::Lock _l2(_members[*mid].lock);
_send(*mid,STATE_MESSAGE_COM,buf.data(),buf.size());
}
buf.append((uint16_t)pkt.size());
buf.append(pkt.data(),pkt.size());
Mutex::Lock _l(_memberIds_m);
for(std::vector<uint16_t>::const_iterator mid(_memberIds.begin());mid!=_memberIds.end();++mid) {
Mutex::Lock _l2(_members[*mid].lock);
_send(*mid,CLUSTER_MESSAGE_REMOTE_PACKET,buf.data(),buf.size());
_flush(*mid); // these tend to be latency-sensitive
}
*/
}
void Cluster::doPeriodicTasks()
{
const uint64_t now = RR->node->now();
if ((now - _lastFlushed) >= ZT_CLUSTER_FLUSH_PERIOD) {
_lastFlushed = now;
{
Mutex::Lock _l2(_sendViaClusterQueue_m);
for(std::multimap<Address,_SQE *>::iterator qi(_sendViaClusterQueue.begin());qi!=_sendViaClusterQueue.end();) {
if ((now - qi->second->timestamp) >= ZT_CLUSTER_QUEUE_EXPIRATION) {
delete qi->second;
_sendViaClusterQueue.erase(qi++);
} else ++qi;
}
}
Mutex::Lock _l(_memberIds_m);
for(std::vector<uint16_t>::const_iterator mid(_memberIds.begin());mid!=_memberIds.end();++mid) {
Mutex::Lock _l2(_members[*mid].lock);
if ((now - _members[*mid].lastAnnouncedAliveTo) >= ((ZT_CLUSTER_TIMEOUT / 2) - 1000)) {
_members[*mid].lastAnnouncedAliveTo = now;
Buffer<2048> alive;
alive.append((uint16_t)ZEROTIER_ONE_VERSION_MAJOR);
alive.append((uint16_t)ZEROTIER_ONE_VERSION_MINOR);
@ -491,13 +520,23 @@ void Cluster::doPeriodicTasks()
alive.append((uint8_t)_zeroTierPhysicalEndpoints.size());
for(std::vector<InetAddress>::const_iterator pe(_zeroTierPhysicalEndpoints.begin());pe!=_zeroTierPhysicalEndpoints.end();++pe)
pe->serialize(alive);
_send(*mid,STATE_MESSAGE_ALIVE,alive.data(),alive.size());
_members[*mid].lastAnnouncedAliveTo = now;
_send(*mid,CLUSTER_MESSAGE_ALIVE,alive.data(),alive.size());
}
_flush(*mid); // does nothing if nothing to flush
}
}
if ((now - _lastCleanedRemotePeers) >= (ZT_PEER_ACTIVITY_TIMEOUT * 2)) {
_lastCleanedRemotePeers = now;
Mutex::Lock _l(_remotePeers_m);
for(std::map< std::pair<Address,unsigned int>,uint64_t >::iterator rp(_remotePeers.begin());rp!=_remotePeers.end();) {
if ((now - rp->second) >= ZT_PEER_ACTIVITY_TIMEOUT)
_remotePeers.erase(rp++);
else ++rp;
}
}
}
void Cluster::addMember(uint16_t memberId)