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Bunch more path refactoring. Peers no longer forget paths, but do not normally use expired paths. Expired paths might still be tried if nothing else is reachable.

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This commit is contained in:
Adam Ierymenko
2016-09-07 11:13:17 -07:00
parent f2d2df2b11
commit b5c86b6ba4
11 changed files with 126 additions and 143 deletions
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25
node/Node.cpp
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@ -202,14 +202,6 @@ public:
}
}
if (!upstream) {
// If I am a root server, only ping other root servers -- roots don't ping "down"
// since that would just be a waste of bandwidth and could potentially cause route
// flapping in Cluster mode.
if (RR->topology->amRoot())
return;
}
if (upstream) {
// "Upstream" devices are roots and relays and get special treatment -- they stay alive
// forever and we try to keep (if available) both IPv4 and IPv6 channels open to them.
@ -415,15 +407,16 @@ ZT_PeerList *Node::peers() const
p->latency = pi->second->latency();
p->role = RR->topology->isRoot(pi->second->identity()) ? ZT_PEER_ROLE_ROOT : ZT_PEER_ROLE_LEAF;
std::vector< SharedPtr<Path> > paths(pi->second->paths());
SharedPtr<Path> bestp(pi->second->getBestPath(_now));
std::vector< std::pair< SharedPtr<Path>,bool > > paths(pi->second->paths(_now));
SharedPtr<Path> bestp(pi->second->getBestPath(_now,false));
p->pathCount = 0;
for(std::vector< SharedPtr<Path> >::iterator path(paths.begin());path!=paths.end();++path) {
memcpy(&(p->paths[p->pathCount].address),&((*path)->address()),sizeof(struct sockaddr_storage));
p->paths[p->pathCount].lastSend = (*path)->lastOut();
p->paths[p->pathCount].lastReceive = (*path)->lastIn();
p->paths[p->pathCount].preferred = (*path == bestp) ? 1 : 0;
p->paths[p->pathCount].trustedPathId = RR->topology->getOutboundPathTrust((*path)->address());
for(std::vector< std::pair< SharedPtr<Path>,bool > >::iterator path(paths.begin());path!=paths.end();++path) {
memcpy(&(p->paths[p->pathCount].address),&(path->first->address()),sizeof(struct sockaddr_storage));
p->paths[p->pathCount].lastSend = path->first->lastOut();
p->paths[p->pathCount].lastReceive = path->first->lastIn();
p->paths[p->pathCount].expired = path->second;
p->paths[p->pathCount].preferred = (path->first == bestp) ? 1 : 0;
p->paths[p->pathCount].trustedPathId = RR->topology->getOutboundPathTrust(path->first->address());
++p->pathCount;
}
}