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Forget paths to peers if we are handing them off.

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This commit is contained in:
Adam Ierymenko 2015-10-27 14:37:38 -07:00
parent f692cec763
commit 40976c02a4
3 changed files with 56 additions and 61 deletions
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14
node/Cluster.cpp
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@ -563,17 +563,14 @@ void Cluster::removeMember(uint16_t memberId)
_memberIds = newMemberIds;
}
InetAddress Cluster::findBetterEndpoint(const Address &peerAddress,const InetAddress &peerPhysicalAddress,bool offload)
bool Cluster::findBetterEndpoint(InetAddress &redirectTo,const Address &peerAddress,const InetAddress &peerPhysicalAddress,bool offload)
{
if (!peerPhysicalAddress) // sanity check
return InetAddress();
if (_addressToLocationFunction) {
// Pick based on location if it can be determined
int px = 0,py = 0,pz = 0;
if (_addressToLocationFunction(_addressToLocationFunctionArg,reinterpret_cast<const struct sockaddr_storage *>(&peerPhysicalAddress),&px,&py,&pz) == 0) {
TRACE("no geolocation data for %s (geo-lookup is lazy/async so it may work next time)",peerPhysicalAddress.toIpString().c_str());
return InetAddress();
return false;
}
// Find member closest to this peer
@ -603,14 +600,15 @@ InetAddress Cluster::findBetterEndpoint(const Address &peerAddress,const InetAdd
for(std::vector<InetAddress>::const_iterator a(best.begin());a!=best.end();++a) {
if (a->ss_family == peerPhysicalAddress.ss_family) {
TRACE("%s at [%d,%d,%d] is %f from us but %f from %u, can redirect to %s",peerAddress.toString().c_str(),px,py,pz,currentDistance,bestDistance,bestMember,a->toString().c_str());
return *a;
redirectTo = *a;
return true;
}
}
TRACE("%s at [%d,%d,%d] is %f from us, no better endpoints found",peerAddress.toString().c_str(),px,py,pz,currentDistance);
return InetAddress();
return false;
} else {
// TODO: pick based on load if no location info?
return InetAddress();
return false;
}
}