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Sapier's fix for the RESEND RELIABLE problem (#4170)

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This commit is contained in:
Robert Kiraly 2016-06-03 00:50:21 -07:00 committed by Zeno-
parent 569998011e
commit 7ea4a03c83
1 changed files with 20 additions and 0 deletions
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20
src/network/connection.cpp
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@ -71,6 +71,9 @@ static inline float CALC_DTIME(unsigned int lasttime, unsigned int curtime) {
#define PING_TIMEOUT 5.0 #define PING_TIMEOUT 5.0
/* maximum number of retries for reliable packets */
#define MAX_RELIABLE_RETRY 5
static u16 readPeerId(u8 *packetdata) static u16 readPeerId(u8 *packetdata)
{ {
return readU16(&packetdata[4]); return readU16(&packetdata[4]);
@ -1399,6 +1402,7 @@ void ConnectionSendThread::runTimeouts(float dtime)
} }
float resend_timeout = dynamic_cast<UDPPeer*>(&peer)->getResendTimeout(); float resend_timeout = dynamic_cast<UDPPeer*>(&peer)->getResendTimeout();
bool retry_count_exceeded = false;
for(u16 i=0; i<CHANNEL_COUNT; i++) for(u16 i=0; i<CHANNEL_COUNT; i++)
{ {
std::list<BufferedPacket> timed_outs; std::list<BufferedPacket> timed_outs;
@ -1438,6 +1442,13 @@ void ConnectionSendThread::runTimeouts(float dtime)
channel->UpdateBytesLost(k->data.getSize()); channel->UpdateBytesLost(k->data.getSize());
k->resend_count++; k->resend_count++;
if (k-> resend_count > MAX_RELIABLE_RETRY) {
retry_count_exceeded = true;
timeouted_peers.push_back(peer->id);
/* no need to check additional packets if a single one did timeout*/
break;
}
LOG(derr_con<<m_connection->getDesc() LOG(derr_con<<m_connection->getDesc()
<<"RE-SENDING timed-out RELIABLE to " <<"RE-SENDING timed-out RELIABLE to "
<< k->address.serializeString() << k->address.serializeString()
@ -1452,9 +1463,18 @@ void ConnectionSendThread::runTimeouts(float dtime)
// do not handle rtt here as we can't decide if this packet was // do not handle rtt here as we can't decide if this packet was
// lost or really takes more time to transmit // lost or really takes more time to transmit
} }
if (retry_count_exceeded) {
break; /* no need to check other channels if we already did timeout */
}
channel->UpdateTimers(dtime,dynamic_cast<UDPPeer*>(&peer)->getLegacyPeer()); channel->UpdateTimers(dtime,dynamic_cast<UDPPeer*>(&peer)->getLegacyPeer());
} }
/* skip to next peer if we did timeout */
if (retry_count_exceeded)
continue;
/* send ping if necessary */ /* send ping if necessary */
if (dynamic_cast<UDPPeer*>(&peer)->Ping(dtime,data)) { if (dynamic_cast<UDPPeer*>(&peer)->Ping(dtime,data)) {
LOG(dout_con<<m_connection->getDesc() LOG(dout_con<<m_connection->getDesc()