forked from Mirrorlandia_minetest/minetest
Do not allocate packet quota to half-open connections
This commit is contained in:
parent
3987318f09
commit
050152eb90
@ -1397,6 +1397,21 @@ session_t Connection::lookupPeer(const Address& sender)
|
||||
return PEER_ID_INEXISTENT;
|
||||
}
|
||||
|
||||
u32 Connection::getActiveCount()
|
||||
{
|
||||
MutexAutoLock peerlock(m_peers_mutex);
|
||||
u32 count = 0;
|
||||
for (auto &it : m_peers) {
|
||||
Peer *peer = it.second;
|
||||
if (peer->isPendingDeletion())
|
||||
continue;
|
||||
if (peer->isHalfOpen())
|
||||
continue;
|
||||
count++;
|
||||
}
|
||||
return count;
|
||||
}
|
||||
|
||||
bool Connection::deletePeer(session_t peer_id, bool timeout)
|
||||
{
|
||||
Peer *peer = 0;
|
||||
|
@ -764,6 +764,8 @@ protected:
|
||||
return m_peer_ids;
|
||||
}
|
||||
|
||||
u32 getActiveCount();
|
||||
|
||||
UDPSocket m_udpSocket;
|
||||
// Command queue: user -> SendThread
|
||||
MutexedQueue<ConnectionCommandPtr> m_command_queue;
|
||||
|
@ -86,8 +86,6 @@ void *ConnectionSendThread::run()
|
||||
BEGIN_DEBUG_EXCEPTION_HANDLER
|
||||
PROFILE(ScopeProfiler sp(g_profiler, ThreadIdentifier.str(), SPT_AVG));
|
||||
|
||||
m_iteration_packets_avaialble = m_max_data_packets_per_iteration;
|
||||
|
||||
/* wait for trigger or timeout */
|
||||
m_send_sleep_semaphore.wait(50);
|
||||
|
||||
@ -99,8 +97,16 @@ void *ConnectionSendThread::run()
|
||||
curtime = porting::getTimeMs();
|
||||
float dtime = CALC_DTIME(lasttime, curtime);
|
||||
|
||||
m_iteration_packets_avaialble = m_max_data_packets_per_iteration;
|
||||
const auto &calculate_quota = [&] () -> u32 {
|
||||
u32 numpeers = m_connection->getActiveCount();
|
||||
if (numpeers > 0)
|
||||
return MYMAX(1, m_iteration_packets_avaialble / numpeers);
|
||||
return m_iteration_packets_avaialble;
|
||||
};
|
||||
|
||||
/* first resend timed-out packets */
|
||||
runTimeouts(dtime);
|
||||
runTimeouts(dtime, calculate_quota());
|
||||
if (m_iteration_packets_avaialble == 0) {
|
||||
LOG(warningstream << m_connection->getDesc()
|
||||
<< " Packet quota used up after re-sending packets, "
|
||||
@ -119,7 +125,7 @@ void *ConnectionSendThread::run()
|
||||
}
|
||||
|
||||
/* send queued packets */
|
||||
sendPackets(dtime);
|
||||
sendPackets(dtime, calculate_quota());
|
||||
|
||||
END_DEBUG_EXCEPTION_HANDLER
|
||||
}
|
||||
@ -160,17 +166,12 @@ bool ConnectionSendThread::packetsQueued()
|
||||
return false;
|
||||
}
|
||||
|
||||
void ConnectionSendThread::runTimeouts(float dtime)
|
||||
void ConnectionSendThread::runTimeouts(float dtime, u32 peer_packet_quota)
|
||||
{
|
||||
std::vector<session_t> timeouted_peers;
|
||||
std::vector<session_t> peerIds = m_connection->getPeerIDs();
|
||||
|
||||
const u32 numpeers = m_connection->m_peers.size();
|
||||
|
||||
if (numpeers == 0)
|
||||
return;
|
||||
|
||||
for (session_t &peerId : peerIds) {
|
||||
for (const session_t peerId : peerIds) {
|
||||
PeerHelper peer = m_connection->getPeerNoEx(peerId);
|
||||
|
||||
if (!peer)
|
||||
@ -217,8 +218,8 @@ void ConnectionSendThread::runTimeouts(float dtime)
|
||||
channel.outgoing_reliables_sent.incrementTimeouts(dtime);
|
||||
|
||||
// Re-send timed out outgoing reliables
|
||||
auto timed_outs = channel.outgoing_reliables_sent.getResend(resend_timeout,
|
||||
(m_max_data_packets_per_iteration / numpeers));
|
||||
auto timed_outs = channel.outgoing_reliables_sent.getResend(
|
||||
resend_timeout, peer_packet_quota);
|
||||
|
||||
channel.UpdatePacketLossCounter(timed_outs.size());
|
||||
g_profiler->graphAdd("packets_lost", timed_outs.size());
|
||||
@ -235,7 +236,11 @@ void ConnectionSendThread::runTimeouts(float dtime)
|
||||
continue;
|
||||
}
|
||||
|
||||
m_iteration_packets_avaialble -= timed_outs.size();
|
||||
if (m_iteration_packets_avaialble > timed_outs.size())
|
||||
m_iteration_packets_avaialble -= timed_outs.size();
|
||||
else
|
||||
m_iteration_packets_avaialble = 0;
|
||||
|
||||
for (const auto &k : timed_outs)
|
||||
resendReliable(channel, k.get(), resend_timeout);
|
||||
|
||||
@ -643,15 +648,12 @@ void ConnectionSendThread::sendToAllReliable(ConnectionCommandPtr &c)
|
||||
}
|
||||
}
|
||||
|
||||
void ConnectionSendThread::sendPackets(float dtime)
|
||||
void ConnectionSendThread::sendPackets(float dtime, u32 peer_packet_quota)
|
||||
{
|
||||
std::vector<session_t> peerIds = m_connection->getPeerIDs();
|
||||
std::vector<session_t> pendingDisconnect;
|
||||
std::map<session_t, bool> pending_unreliable;
|
||||
|
||||
const unsigned int peer_packet_quota = m_iteration_packets_avaialble
|
||||
/ MYMAX(peerIds.size(), 1);
|
||||
|
||||
for (session_t peerId : peerIds) {
|
||||
PeerHelper peer = m_connection->getPeerNoEx(peerId);
|
||||
//peer may have been removed
|
||||
|
@ -69,7 +69,7 @@ public:
|
||||
void setPeerTimeout(float peer_timeout) { m_timeout = peer_timeout; }
|
||||
|
||||
private:
|
||||
void runTimeouts(float dtime);
|
||||
void runTimeouts(float dtime, u32 peer_packet_quota);
|
||||
void resendReliable(Channel &channel, const BufferedPacket *k, float resend_timeout);
|
||||
void rawSend(const BufferedPacket *p);
|
||||
bool rawSendAsPacket(session_t peer_id, u8 channelnum,
|
||||
@ -86,7 +86,7 @@ private:
|
||||
void sendToAll(u8 channelnum, const SharedBuffer<u8> &data);
|
||||
void sendToAllReliable(ConnectionCommandPtr &c);
|
||||
|
||||
void sendPackets(float dtime);
|
||||
void sendPackets(float dtime, u32 peer_packet_quota);
|
||||
|
||||
void sendAsPacket(session_t peer_id, u8 channelnum, const SharedBuffer<u8> &data,
|
||||
bool ack = false);
|
||||
|
Loading…
Reference in New Issue
Block a user