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add latency requirement option

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This commit is contained in:
Jeff Becker 2016-11-15 10:20:09 -05:00
parent 8a545b98ec
commit fc94e846a6
8 changed files with 141 additions and 5 deletions
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45
TunnelPool.cpp
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@ -147,12 +147,16 @@ namespace tunnel
std::shared_ptr<OutboundTunnel> TunnelPool::GetNextOutboundTunnel (std::shared_ptr<OutboundTunnel> excluded) const
{
std::unique_lock<std::mutex> l(m_OutboundTunnelsMutex);
if (HasLatencyRequriement())
return GetLowestLatencyOutboundTunnel(excluded);
std::unique_lock<std::mutex> l(m_OutboundTunnelsMutex);
return GetNextTunnel (m_OutboundTunnels, excluded);
}
std::shared_ptr<InboundTunnel> TunnelPool::GetNextInboundTunnel (std::shared_ptr<InboundTunnel> excluded) const
{
if (HasLatencyRequriement())
return GetLowestLatencyInboundTunnel(excluded);
std::unique_lock<std::mutex> l(m_InboundTunnelsMutex);
return GetNextTunnel (m_InboundTunnels, excluded);
}
@ -322,7 +326,12 @@ namespace tunnel
test.first->SetState (eTunnelStateEstablished);
if (test.second->GetState () == eTunnelStateTestFailed)
test.second->SetState (eTunnelStateEstablished);
LogPrint (eLogDebug, "Tunnels: test of ", msgID, " successful. ", i2p::util::GetMillisecondsSinceEpoch () - timestamp, " milliseconds");
uint64_t dlt = i2p::util::GetMillisecondsSinceEpoch () - timestamp;
LogPrint (eLogDebug, "Tunnels: test of ", msgID, " successful. ", dlt, " milliseconds");
// update latency
uint64_t latency = dlt / 2;
test.first->AddLatencySample(latency);
test.second->AddLatencySample(latency);
}
else
{
@ -523,5 +532,37 @@ namespace tunnel
std::lock_guard<std::mutex> lock(m_CustomPeerSelectorMutex);
return m_CustomPeerSelector != nullptr;
}
std::shared_ptr<InboundTunnel> TunnelPool::GetLowestLatencyInboundTunnel(std::shared_ptr<InboundTunnel> exclude) const
{
std::shared_ptr<InboundTunnel> tun = nullptr;
std::unique_lock<std::mutex> lock(m_InboundTunnelsMutex);
uint64_t min = 1000000;
for (const auto & itr : m_InboundTunnels) {
if(!itr->LatencyIsKnown()) continue;
auto l = itr->GetMeanLatency();
if (l >= min) continue;
tun = itr;
if(tun == exclude) continue;
min = l;
}
return tun;
}
std::shared_ptr<OutboundTunnel> TunnelPool::GetLowestLatencyOutboundTunnel(std::shared_ptr<OutboundTunnel> exclude) const
{
std::shared_ptr<OutboundTunnel> tun = nullptr;
std::unique_lock<std::mutex> lock(m_OutboundTunnelsMutex);
uint64_t min = 1000000;
for (const auto & itr : m_OutboundTunnels) {
if(!itr->LatencyIsKnown()) continue;
auto l = itr->GetMeanLatency();
if (l >= min) continue;
tun = itr;
if(tun == exclude) continue;
min = l;
}
return tun;
}
}
}