void
OverlayManagerImpl::connectTo(PeerRecord& pr)
{
if (pr.mPort == 0)
{
CLOG(ERROR, "Overlay") << "Invalid port: " << pr.toString();
return;
}
if (!pr.mIP.size())
{
CLOG(ERROR, "Overlay") << "OverlayManagerImpl::connectTo Invalid IP ";
return;
}
mConnectionsAttempted.Mark();
if (!getConnectedPeer(pr.mIP, pr.mPort))
{
pr.backOff(mApp.getClock());
pr.storePeerRecord(mApp.getDatabase());
addConnectedPeer(TCPPeer::initiate(mApp, pr.mIP, pr.mPort));
}
else
{
CLOG(ERROR, "Overlay")
<< "trying to connect to a node we're already connected to"
<< pr.toString();
}
}
void
OverlayManagerImpl::storePeerList(std::vector<std::string> const& list)
{
for (auto const& peerStr : list)
{
PeerRecord pr;
if (PeerRecord::parseIPPort(peerStr, mApp, pr))
{
pr.insertIfNew(mApp.getDatabase());
}
else
{
CLOG(ERROR, "Overlay") << "Unable to add peer '" << peerStr << "'";
}
}
}
bool
TCPPeer::recvHello(StellarMessage const& msg)
{
mHelloTimer.cancel();
if (!Peer::recvHello(msg))
return false;
if (mRole == INITIATOR)
{
if (!PeerRecord::loadPeerRecord(mApp.getDatabase(), getIP(),
getRemoteListeningPort()))
{
PeerRecord pr;
PeerRecord::fromIPPort(getIP(), getRemoteListeningPort(),
mApp.getClock(), pr);
pr.storePeerRecord(mApp.getDatabase());
}
if (mApp.getOverlayManager().isPeerAccepted(shared_from_this()))
{
sendHello();
}
else
{ // we can't accept anymore peer connections
sendPeers();
drop();
}
}
else
{ // we called this guy
// only lower numFailures if we were successful connecting out to him
auto pr = PeerRecord::loadPeerRecord(mApp.getDatabase(), getIP(),
getRemoteListeningPort());
if (!pr)
{
pr = make_optional<PeerRecord>();
PeerRecord::fromIPPort(getIP(), getRemoteListeningPort(),
mApp.getClock(), *pr);
}
pr->mNumFailures = 0;
pr->mNextAttempt = mApp.getClock().now();
pr->storePeerRecord(mApp.getDatabase());
}
return true;
}
void
OverlayManagerImpl::storeConfigPeers()
{
// compute normalized mPreferredPeers
std::vector<std::string> ppeers;
for (auto const& s : mApp.getConfig().PREFERRED_PEERS)
{
PeerRecord pr;
if (PeerRecord::parseIPPort(s, mApp, pr))
{
auto r = mPreferredPeers.insert(pr.toString());
if (r.second)
{
ppeers.push_back(*r.first);
}
}
}
storePeerList(mApp.getConfig().KNOWN_PEERS, true);
storePeerList(ppeers, true);
}
