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-rw-r--r--node/Peer.cpp169
-rw-r--r--node/Peer.hpp15
2 files changed, 77 insertions, 107 deletions
diff --git a/node/Peer.cpp b/node/Peer.cpp
index c75a3e46..bcfda722 100644
--- a/node/Peer.cpp
+++ b/node/Peer.cpp
@@ -126,87 +126,77 @@ void Peer::received(
#endif
const uint64_t now = RR->node->now();
- bool needMulticastGroupAnnounce = false;
-
- { // begin _lock
- Mutex::Lock _l(_lock);
-
- _lastReceive = now;
- if ((verb == Packet::VERB_FRAME)||(verb == Packet::VERB_EXT_FRAME))
- _lastUnicastFrame = now;
- else if (verb == Packet::VERB_MULTICAST_FRAME)
- _lastMulticastFrame = now;
-
- if ((now - _lastAnnouncedTo) >= ((ZT_MULTICAST_LIKE_EXPIRE / 2) - 1000)) {
- _lastAnnouncedTo = now;
- needMulticastGroupAnnounce = true;
- }
-
- if (hops == 0) {
- bool pathIsConfirmed = false;
- unsigned int np = _numPaths;
- for(unsigned int p=0;p<np;++p) {
- if ((_paths[p].address() == remoteAddr)&&(_paths[p].localAddress() == localAddr)) {
- _paths[p].received(now);
+ _lastReceive = now;
+ if ((verb == Packet::VERB_FRAME)||(verb == Packet::VERB_EXT_FRAME))
+ _lastUnicastFrame = now;
+ else if (verb == Packet::VERB_MULTICAST_FRAME)
+ _lastMulticastFrame = now;
+
+ if (hops == 0) {
+ bool pathIsConfirmed = false;
+ unsigned int np = _numPaths;
+ for(unsigned int p=0;p<np;++p) {
+ if ((_paths[p].address() == remoteAddr)&&(_paths[p].localAddress() == localAddr)) {
+ _paths[p].received(now);
#ifdef ZT_ENABLE_CLUSTER
- _paths[p].setClusterSuboptimal(suboptimalPath);
+ _paths[p].setClusterSuboptimal(suboptimalPath);
#endif
- pathIsConfirmed = true;
- break;
- }
+ pathIsConfirmed = true;
+ break;
}
+ }
- if ((!pathIsConfirmed)&&(RR->node->shouldUsePathForZeroTierTraffic(localAddr,remoteAddr))) {
- if (verb == Packet::VERB_OK) {
-
- Path *slot = (Path *)0;
- if (np < ZT_MAX_PEER_NETWORK_PATHS) {
- slot = &(_paths[np++]);
- } else {
- uint64_t slotLRmin = 0xffffffffffffffffULL;
- for(unsigned int p=0;p<ZT_MAX_PEER_NETWORK_PATHS;++p) {
- if (!_paths[p].active(now)) {
- slot = &(_paths[p]);
- break;
- } else if (_paths[p].lastReceived() <= slotLRmin) {
- slotLRmin = _paths[p].lastReceived();
- slot = &(_paths[p]);
- }
+ if ((!pathIsConfirmed)&&(RR->node->shouldUsePathForZeroTierTraffic(localAddr,remoteAddr))) {
+ if (verb == Packet::VERB_OK) {
+
+ Path *slot = (Path *)0;
+ if (np < ZT_MAX_PEER_NETWORK_PATHS) {
+ slot = &(_paths[np++]);
+ } else {
+ uint64_t slotLRmin = 0xffffffffffffffffULL;
+ for(unsigned int p=0;p<ZT_MAX_PEER_NETWORK_PATHS;++p) {
+ if (!_paths[p].active(now)) {
+ slot = &(_paths[p]);
+ break;
+ } else if (_paths[p].lastReceived() <= slotLRmin) {
+ slotLRmin = _paths[p].lastReceived();
+ slot = &(_paths[p]);
}
}
- if (slot) {
- *slot = Path(localAddr,remoteAddr);
- slot->received(now);
+ }
+ if (slot) {
+ *slot = Path(localAddr,remoteAddr);
+ slot->received(now);
#ifdef ZT_ENABLE_CLUSTER
- slot->setClusterSuboptimal(suboptimalPath);
+ slot->setClusterSuboptimal(suboptimalPath);
#endif
- _numPaths = np;
- }
+ _numPaths = np;
+ }
#ifdef ZT_ENABLE_CLUSTER
- if (RR->cluster)
- RR->cluster->broadcastHavePeer(_id);
+ if (RR->cluster)
+ RR->cluster->broadcastHavePeer(_id);
#endif
- } else {
+ } else {
- TRACE("got %s via unknown path %s(%s), confirming...",Packet::verbString(verb),_id.address().toString().c_str(),remoteAddr.toString().c_str());
-
- if ( (_vProto >= 5) && ( !((_vMajor == 1)&&(_vMinor == 1)&&(_vRevision == 0)) ) ) {
- // 1.1.1 and newer nodes support ECHO, which is smaller -- but 1.1.0 has a bug so use HELLO there too
- Packet outp(_id.address(),RR->identity.address(),Packet::VERB_ECHO);
- outp.armor(_key,true);
- RR->node->putPacket(localAddr,remoteAddr,outp.data(),outp.size());
- } else {
- sendHELLO(localAddr,remoteAddr,now);
- }
+ TRACE("got %s via unknown path %s(%s), confirming...",Packet::verbString(verb),_id.address().toString().c_str(),remoteAddr.toString().c_str());
+ if ( (_vProto >= 5) && ( !((_vMajor == 1)&&(_vMinor == 1)&&(_vRevision == 0)) ) ) {
+ // 1.1.1 and newer nodes support ECHO, which is smaller -- but 1.1.0 has a bug so use HELLO there too
+ Packet outp(_id.address(),RR->identity.address(),Packet::VERB_ECHO);
+ outp.armor(_key,true);
+ RR->node->putPacket(localAddr,remoteAddr,outp.data(),outp.size());
+ } else {
+ sendHELLO(localAddr,remoteAddr,now);
}
+
}
}
- } // end _lock
+ }
- if (needMulticastGroupAnnounce) {
+ if ((now - _lastAnnouncedTo) >= ((ZT_MULTICAST_LIKE_EXPIRE / 2) - 1000)) {
+ _lastAnnouncedTo = now;
const std::vector< SharedPtr<Network> > networks(RR->node->allNetworks());
for(std::vector< SharedPtr<Network> >::const_iterator n(networks.begin());n!=networks.end();++n)
(*n)->tryAnnounceMulticastGroupsTo(SharedPtr<Peer>(this));
@@ -215,8 +205,6 @@ void Peer::received(
void Peer::sendHELLO(const InetAddress &localAddr,const InetAddress &atAddress,uint64_t now,unsigned int ttl)
{
- // _lock not required here since _id is immutable and nothing else is accessed
-
Packet outp(_id.address(),RR->identity.address(),Packet::VERB_HELLO);
outp.append((unsigned char)ZT_PROTO_VERSION);
outp.append((unsigned char)ZEROTIER_ONE_VERSION_MAJOR);
@@ -236,7 +224,6 @@ bool Peer::doPingAndKeepalive(uint64_t now,int inetAddressFamily)
{
Path *p = (Path *)0;
- Mutex::Lock _l(_lock);
if (inetAddressFamily != 0) {
p = _getBestPath(now,inetAddressFamily);
} else {
@@ -271,8 +258,6 @@ void Peer::pushDirectPaths(Path *path,uint64_t now,bool force)
return;
#endif
- Mutex::Lock _l(_lock);
-
if (((now - _lastDirectPathPushSent) >= ZT_DIRECT_PATH_PUSH_INTERVAL)||(force)) {
_lastDirectPathPushSent = now;
@@ -333,7 +318,6 @@ void Peer::pushDirectPaths(Path *path,uint64_t now,bool force)
bool Peer::resetWithinScope(InetAddress::IpScope scope,uint64_t now)
{
- Mutex::Lock _l(_lock);
unsigned int np = _numPaths;
unsigned int x = 0;
unsigned int y = 0;
@@ -353,7 +337,6 @@ bool Peer::resetWithinScope(InetAddress::IpScope scope,uint64_t now)
void Peer::getBestActiveAddresses(uint64_t now,InetAddress &v4,InetAddress &v6) const
{
- Mutex::Lock _l(_lock);
uint64_t bestV4 = 0,bestV6 = 0;
for(unsigned int p=0,np=_numPaths;p<np;++p) {
if (_paths[p].active(now)) {
@@ -377,7 +360,7 @@ void Peer::getBestActiveAddresses(uint64_t now,InetAddress &v4,InetAddress &v6)
bool Peer::networkMembershipCertificatesAgree(uint64_t nwid,const CertificateOfMembership &com) const
{
- Mutex::Lock _l(_lock);
+ Mutex::Lock _l(_networkComs_m);
const _NetworkCom *ourCom = _networkComs.get(nwid);
if (ourCom)
return ourCom->com.agreesWith(com);
@@ -392,7 +375,7 @@ bool Peer::validateAndSetNetworkMembershipCertificate(uint64_t nwid,const Certif
// Return true if we already have this *exact* COM
{
- Mutex::Lock _l(_lock);
+ Mutex::Lock _l(_networkComs_m);
_NetworkCom *ourCom = _networkComs.get(nwid);
if ((ourCom)&&(ourCom->com == com))
return true;
@@ -432,7 +415,7 @@ bool Peer::validateAndSetNetworkMembershipCertificate(uint64_t nwid,const Certif
// If we made it past all those checks, add or update cert in our cert info store
{
- Mutex::Lock _l(_lock);
+ Mutex::Lock _l(_networkComs_m);
_networkComs.set(nwid,_NetworkCom(RR->node->now(),com));
}
@@ -441,7 +424,7 @@ bool Peer::validateAndSetNetworkMembershipCertificate(uint64_t nwid,const Certif
bool Peer::needsOurNetworkMembershipCertificate(uint64_t nwid,uint64_t now,bool updateLastPushedTime)
{
- Mutex::Lock _l(_lock);
+ Mutex::Lock _l(_networkComs_m);
uint64_t &lastPushed = _lastPushedComs[nwid];
const uint64_t tmp = lastPushed;
if (updateLastPushedTime)
@@ -451,8 +434,6 @@ bool Peer::needsOurNetworkMembershipCertificate(uint64_t nwid,uint64_t now,bool
void Peer::clean(uint64_t now)
{
- Mutex::Lock _l(_lock);
-
{
unsigned int np = _numPaths;
unsigned int x = 0;
@@ -466,30 +447,30 @@ void Peer::clean(uint64_t now)
}
{
- uint64_t *k = (uint64_t *)0;
- _NetworkCom *v = (_NetworkCom *)0;
- Hashtable< uint64_t,_NetworkCom >::Iterator i(_networkComs);
- while (i.next(k,v)) {
- if ( (!RR->node->belongsToNetwork(*k)) && ((now - v->ts) >= ZT_PEER_NETWORK_COM_EXPIRATION) )
- _networkComs.erase(*k);
+ Mutex::Lock _l(_networkComs_m);
+ {
+ uint64_t *k = (uint64_t *)0;
+ _NetworkCom *v = (_NetworkCom *)0;
+ Hashtable< uint64_t,_NetworkCom >::Iterator i(_networkComs);
+ while (i.next(k,v)) {
+ if ( (!RR->node->belongsToNetwork(*k)) && ((now - v->ts) >= ZT_PEER_NETWORK_COM_EXPIRATION) )
+ _networkComs.erase(*k);
+ }
}
- }
-
- {
- uint64_t *k = (uint64_t *)0;
- uint64_t *v = (uint64_t *)0;
- Hashtable< uint64_t,uint64_t >::Iterator i(_lastPushedComs);
- while (i.next(k,v)) {
- if ((now - *v) > (ZT_NETWORK_AUTOCONF_DELAY * 2))
- _lastPushedComs.erase(*k);
+ {
+ uint64_t *k = (uint64_t *)0;
+ uint64_t *v = (uint64_t *)0;
+ Hashtable< uint64_t,uint64_t >::Iterator i(_lastPushedComs);
+ while (i.next(k,v)) {
+ if ((now - *v) > (ZT_NETWORK_AUTOCONF_DELAY * 2))
+ _lastPushedComs.erase(*k);
+ }
}
}
}
bool Peer::_checkPath(Path &p,const uint64_t now)
{
- // assumes _lock is locked
-
if (!p.active(now))
return false;
@@ -536,7 +517,6 @@ bool Peer::_checkPath(Path &p,const uint64_t now)
Path *Peer::_getBestPath(const uint64_t now)
{
- // assumes _lock is locked
Path *bestPath = (Path *)0;
uint64_t bestPathScore = 0;
for(unsigned int i=0;i<_numPaths;++i) {
@@ -551,7 +531,6 @@ Path *Peer::_getBestPath(const uint64_t now)
Path *Peer::_getBestPath(const uint64_t now,int inetAddressFamily)
{
- // assumes _lock is locked
Path *bestPath = (Path *)0;
uint64_t bestPathScore = 0;
for(unsigned int i=0;i<_numPaths;++i) {
diff --git a/node/Peer.hpp b/node/Peer.hpp
index 079640db..e40f576a 100644
--- a/node/Peer.hpp
+++ b/node/Peer.hpp
@@ -134,11 +134,7 @@ public:
* @param now Current time
* @return Best path or NULL if there are no active direct paths
*/
- inline Path *getBestPath(uint64_t now)
- {
- Mutex::Lock _l(_lock);
- return _getBestPath(now);
- }
+ inline Path *getBestPath(uint64_t now) { return _getBestPath(now); }
/**
* Send via best path
@@ -195,7 +191,6 @@ public:
inline std::vector<Path> paths() const
{
std::vector<Path> pp;
- Mutex::Lock _l(_lock);
for(unsigned int p=0,np=_numPaths;p<np;++p)
pp.push_back(_paths[p]);
return pp;
@@ -277,7 +272,6 @@ public:
*/
inline bool hasActiveDirectPath(uint64_t now) const
{
- Mutex::Lock _l(_lock);
for(unsigned int p=0;p<_numPaths;++p) {
if (_paths[p].active(now))
return true;
@@ -292,7 +286,6 @@ public:
*/
inline bool hasClusterOptimalPath(uint64_t now) const
{
- Mutex::Lock _l(_lock);
for(unsigned int p=0,np=_numPaths;p<np;++p) {
if ((_paths[p].active(now))&&(!_paths[p].isClusterSuboptimal()))
return true;
@@ -308,7 +301,6 @@ public:
*/
inline bool hasActivePathTo(uint64_t now,const InetAddress &addr) const
{
- Mutex::Lock _l(_lock);
for(unsigned int p=0;p<_numPaths;++p) {
if ((_paths[p].active(now))&&(_paths[p].address() == addr))
return true;
@@ -410,7 +402,6 @@ public:
*/
inline bool shouldRespondToDirectPathPush(const uint64_t now)
{
- Mutex::Lock _l(_lock);
if ((now - _lastDirectPathPushReceive) <= ZT_PUSH_DIRECT_PATHS_CUTOFF_TIME)
++_directPathPushCutoffCount;
else _directPathPushCutoffCount = 0;
@@ -441,7 +432,7 @@ public:
template<unsigned int C>
inline void serialize(Buffer<C> &b) const
{
- Mutex::Lock _l(_lock);
+ Mutex::Lock _l(_networkComs_m);
const unsigned int recSizePos = b.size();
b.addSize(4); // space for uint32_t field length
@@ -599,8 +590,8 @@ private:
};
Hashtable<uint64_t,_NetworkCom> _networkComs;
Hashtable<uint64_t,uint64_t> _lastPushedComs;
+ Mutex _networkComs_m;
- Mutex _lock;
AtomicCounter __refCount;
};