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Use fixed, lower timeout for half-open connections

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sfan5 2024-01-05 09:40:13 +01:00
parent 2587302987
commit 7acb14f7a1
2 changed files with 12 additions and 10 deletions
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1
src/network/connection.h
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@ -653,6 +653,7 @@ protected:
void setResendTimeout(float timeout)
{ MutexAutoLock lock(m_exclusive_access_mutex); resend_timeout = timeout; }
bool Ping(float dtime,SharedBuffer<u8>& data);
Channel channels[CHANNEL_COUNT];

21
src/network/connectionthreads.cpp
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@ -193,7 +193,11 @@ void ConnectionSendThread::runTimeouts(float dtime)
/*
Check peer timeout
*/
if (peer->isTimedOut(m_timeout)) {
// When the connection is half-open give the peer less time.
// Note that this time is also fixed since the timeout is not reset in half-open state.
const float peer_timeout = peer->isHalfOpen() ?
MYMAX(5.0f, m_timeout / 4) : m_timeout;
if (peer->isTimedOut(peer_timeout)) {
infostream << m_connection->getDesc()
<< "RunTimeouts(): Peer " << peer->id
<< " has timed out."
@ -208,7 +212,7 @@ void ConnectionSendThread::runTimeouts(float dtime)
for (Channel &channel : udpPeer->channels) {
// Remove timed out incomplete unreliable split packets
channel.incoming_splits.removeUnreliableTimedOuts(dtime, m_timeout);
channel.incoming_splits.removeUnreliableTimedOuts(dtime, peer_timeout);
// Increment reliable packet times
channel.outgoing_reliables_sent.incrementTimeouts(dtime);
@ -243,11 +247,7 @@ void ConnectionSendThread::runTimeouts(float dtime)
if (udpPeer->Ping(dtime, data)) {
LOG(dout_con << m_connection->getDesc()
<< "Sending ping for peer_id: " << udpPeer->id << std::endl);
/* this may fail if there ain't a sequence number left */
if (!rawSendAsPacket(udpPeer->id, 0, data, true)) {
//retrigger with reduced ping interval
udpPeer->Ping(4.0, data);
}
rawSendAsPacket(udpPeer->id, 0, data, true);
}
udpPeer->RunCommandQueues(m_max_packet_size,
@ -1002,10 +1002,11 @@ void ConnectionReceiveThread::receive(SharedBuffer<u8> &packetdata,
return;
}
if (knew_peer_id)
if (knew_peer_id) {
peer->SetFullyOpen();
peer->ResetTimeout();
// Setup phase has a fixed timeout
peer->ResetTimeout();
}
Channel *channel = nullptr;
if (dynamic_cast<UDPPeer *>(&peer)) {