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RTT fixes (#7428)

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* Few code updates

* Do not show average RTT before timing out

* Fix unwanted integer division in RTTStatistics

* Fix float format, prettier jitter calculation

* Use +=, 0.1f -> 100.0f for stronger average updates
This commit is contained in:
you 2018-06-23 09:16:01 +02:00 • committed by Loïc Blot
parent 07b1743d3d
commit 968ce9af59
5 changed files with 34 additions and 39 deletions
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12
src/client.cpp
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@ -437,7 +437,7 @@ void Client::step(float dtime)
counter = 0.0;
// connectedAndInitialized() is true, peer exists.
float avg_rtt = getRTT();
infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
infostream << "Client: average rtt: " << avg_rtt << std::endl;
}
/*
@ -1706,9 +1706,17 @@ void Client::afterContentReceived()
delete[] text;
}
// returns the Round Trip Time
// if the RTT did not become updated within 2 seconds, e.g. before timing out,
// it returns the expired time instead
float Client::getRTT()
{
return m_con->getPeerStat(PEER_ID_SERVER,con::AVG_RTT);
float avg_rtt = m_con->getPeerStat(PEER_ID_SERVER, con::AVG_RTT);
float time_from_last_rtt =
m_con->getPeerStat(PEER_ID_SERVER, con::TIMEOUT_COUNTER);
if (avg_rtt + 2.0f > time_from_last_rtt)
return avg_rtt;
return time_from_last_rtt;
}
float Client::getCurRate()