Fix deadlock.
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parent
1d775af34a
commit
9e7c778cc8
3 changed files with 45 additions and 40 deletions
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@ -79,7 +79,7 @@ SharedPtr<Peer> Topology::addPeer(const SharedPtr<Peer> &peer)
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SharedPtr<Peer> np;
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{
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Mutex::Lock _l(_lock);
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Mutex::Lock _l(_peers_m);
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SharedPtr<Peer> &hp = _peers[peer->address()];
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if (!hp)
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hp = peer;
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@ -99,7 +99,7 @@ SharedPtr<Peer> Topology::getPeer(const Address &zta)
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}
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{
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Mutex::Lock _l(_lock);
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Mutex::Lock _l(_peers_m);
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const SharedPtr<Peer> *const ap = _peers.get(zta);
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if (ap)
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return *ap;
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@ -110,7 +110,7 @@ SharedPtr<Peer> Topology::getPeer(const Address &zta)
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if (id) {
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SharedPtr<Peer> np(new Peer(RR,RR->identity,id));
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{
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Mutex::Lock _l(_lock);
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Mutex::Lock _l(_peers_m);
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SharedPtr<Peer> &ap = _peers[zta];
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if (!ap)
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ap.swap(np);
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@ -127,7 +127,7 @@ Identity Topology::getIdentity(const Address &zta)
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if (zta == RR->identity.address()) {
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return RR->identity;
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} else {
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Mutex::Lock _l(_lock);
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Mutex::Lock _l(_peers_m);
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const SharedPtr<Peer> *const ap = _peers.get(zta);
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if (ap)
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return (*ap)->identity();
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@ -147,7 +147,8 @@ void Topology::saveIdentity(const Identity &id)
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SharedPtr<Peer> Topology::getUpstreamPeer(const Address *avoid,unsigned int avoidCount,bool strictAvoid)
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{
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const uint64_t now = RR->node->now();
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Mutex::Lock _l(_lock);
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Mutex::Lock _l1(_peers_m);
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Mutex::Lock _l2(_upstreams_m);
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if (_amRoot) {
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/* If I am a root, pick another root that isn't mine and that
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@ -208,13 +209,13 @@ SharedPtr<Peer> Topology::getUpstreamPeer(const Address *avoid,unsigned int avoi
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bool Topology::isUpstream(const Identity &id) const
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{
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Mutex::Lock _l(_lock);
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Mutex::Lock _l(_upstreams_m);
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return (std::find(_upstreamAddresses.begin(),_upstreamAddresses.end(),id.address()) != _upstreamAddresses.end());
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}
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ZT_PeerRole Topology::role(const Address &ztaddr) const
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{
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Mutex::Lock _l(_lock);
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Mutex::Lock _l(_upstreams_m);
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if (std::find(_upstreamAddresses.begin(),_upstreamAddresses.end(),ztaddr) != _upstreamAddresses.end()) {
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for(std::vector<World::Root>::const_iterator i(_planet.roots().begin());i!=_planet.roots().end();++i) {
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if (i->identity.address() == ztaddr)
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@ -227,7 +228,7 @@ ZT_PeerRole Topology::role(const Address &ztaddr) const
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bool Topology::isProhibitedEndpoint(const Address &ztaddr,const InetAddress &ipaddr) const
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{
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Mutex::Lock _l(_lock);
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Mutex::Lock _l(_upstreams_m);
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// For roots the only permitted addresses are those defined. This adds just a little
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// bit of extra security against spoofing, replaying, etc.
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@ -257,7 +258,8 @@ bool Topology::addWorld(const World &newWorld)
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if ((newWorld.type() != World::TYPE_PLANET)&&(newWorld.type() != World::TYPE_MOON))
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return false;
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Mutex::Lock _l(_lock);
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Mutex::Lock _l1(_upstreams_m);
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Mutex::Lock _l2(_peers_m);
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World *existing = (World *)0;
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switch(newWorld.type()) {
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@ -313,7 +315,7 @@ void Topology::addMoon(const uint64_t id)
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{
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{
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const Address a(id >> 24);
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Mutex::Lock _l(_lock);
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Mutex::Lock _l(_upstreams_m);
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if (std::find(_contactingMoons.begin(),_contactingMoons.end(),a) == _contactingMoons.end())
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_contactingMoons.push_back(a);
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}
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@ -339,7 +341,8 @@ void Topology::addMoon(const uint64_t id)
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void Topology::removeMoon(const uint64_t id)
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{
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Mutex::Lock _l(_lock);
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Mutex::Lock _l1(_upstreams_m);
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Mutex::Lock _l2(_peers_m);
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std::vector<World> nm;
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for(std::vector<World>::const_iterator m(_moons.begin());m!=_moons.end();++m) {
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@ -365,8 +368,9 @@ void Topology::removeMoon(const uint64_t id)
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void Topology::clean(uint64_t now)
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{
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Mutex::Lock _l(_lock);
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{
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Mutex::Lock _l1(_peers_m);
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Mutex::Lock _l2(_upstreams_m);
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Hashtable< Address,SharedPtr<Peer> >::Iterator i(_peers);
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Address *a = (Address *)0;
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SharedPtr<Peer> *p = (SharedPtr<Peer> *)0;
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@ -376,6 +380,7 @@ void Topology::clean(uint64_t now)
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}
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}
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{
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Mutex::Lock _l(_paths_m);
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Hashtable< Path::HashKey,SharedPtr<Path> >::Iterator i(_paths);
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Path::HashKey *k = (Path::HashKey *)0;
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SharedPtr<Path> *p = (SharedPtr<Path> *)0;
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@ -401,7 +406,7 @@ Identity Topology::_getIdentity(const Address &zta)
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void Topology::_memoizeUpstreams()
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{
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// assumes _lock is locked
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// assumes _upstreams_m and _peers_m are locked
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_upstreamAddresses.clear();
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_amRoot = false;
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for(std::vector<World::Root>::const_iterator i(_planet.roots().begin());i!=_planet.roots().end();++i) {
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