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limit number of resent packets at the time

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orignal 2024-08-19 18:30:49 -04:00
parent 3720a5fce3
commit 7be64dad89
2 changed files with 13 additions and 7 deletions
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18
libi2pd/Streaming.cpp
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@ -79,9 +79,9 @@ namespace stream
m_RTT (INITIAL_RTT), m_SlowRTT (INITIAL_RTT), m_WindowSize (INITIAL_WINDOW_SIZE), m_LastWindowDropSize (0), m_WindowIncCounter (0), m_RTO (INITIAL_RTO),
m_AckDelay (local.GetOwner ()->GetStreamingAckDelay ()), m_PrevRTTSample (INITIAL_RTT),
m_PrevRTT (INITIAL_RTT), m_Jitter (0), m_MinPacingTime (0),
m_PacingTime (INITIAL_PACING_TIME), m_PacingTimeRem (0), m_DropWindowDelayTime (0),
m_PacingTime (INITIAL_PACING_TIME), m_PacingTimeRem (0), m_DropWindowDelayTime (0), m_LastSendTime (0),
m_LastACKSendTime (0), m_PacketACKInterval (1), m_PacketACKIntervalRem (0), // for limit inbound speed
m_NumResendAttempts (0), m_MTU (STREAMING_MTU)
m_NumResendAttempts (0), m_NumPacketsToSend (0), m_NumPacketsToResend (0), m_MTU (STREAMING_MTU)
{
RAND_bytes ((uint8_t *)&m_RecvStreamID, 4);
m_RemoteIdentity = remote->GetIdentity ();
@ -106,9 +106,9 @@ namespace stream
m_WindowSize (INITIAL_WINDOW_SIZE), m_LastWindowDropSize (0), m_WindowIncCounter (0),
m_RTO (INITIAL_RTO), m_AckDelay (local.GetOwner ()->GetStreamingAckDelay ()),
m_PrevRTTSample (INITIAL_RTT), m_PrevRTT (INITIAL_RTT), m_Jitter (0), m_MinPacingTime (0),
m_PacingTime (INITIAL_PACING_TIME), m_PacingTimeRem (0), m_DropWindowDelayTime (0),
m_PacingTime (INITIAL_PACING_TIME), m_PacingTimeRem (0), m_DropWindowDelayTime (0), m_LastSendTime (0),
m_LastACKSendTime (0), m_PacketACKInterval (1), m_PacketACKIntervalRem (0), // for limit inbound speed
m_NumResendAttempts (0), m_MTU (STREAMING_MTU)
m_NumResendAttempts (0), m_NumPacketsToSend (0), m_NumPacketsToResend (0), m_MTU (STREAMING_MTU)
{
RAND_bytes ((uint8_t *)&m_RecvStreamID, 4);
auto outboundSpeed = local.GetOwner ()->GetStreamingOutboundSpeed ();
@ -461,6 +461,7 @@ namespace stream
m_IsNAcked = false;
m_IsResendNeeded = false;
int nackCount = packet->GetNACKCount ();
m_NumPacketsToResend = nackCount;
for (auto it = m_SentPackets.begin (); it != m_SentPackets.end ();)
{
auto seqn = (*it)->GetSeqn ();
@ -1201,6 +1202,7 @@ namespace stream
m_IsTimeOutResend = true;
m_IsNAcked = false;
m_IsResendNeeded = false;
m_NumPacketsToSend = 1;
ResendPacket (); // send one packet per RTO, waiting for ack
}
}
@ -1217,6 +1219,7 @@ namespace stream
}
// collect packets to resend
int numPacketsToResend = m_NumPacketsToResend;
auto ts = i2p::util::GetMillisecondsSinceEpoch ();
std::vector<Packet *> packets;
for (auto it : m_SentPackets)
@ -1226,10 +1229,13 @@ namespace stream
if (ts < it->sendTime + m_RTO*2)
it->resent = true;
else
{
it->resent = false;
it->sendTime = ts;
it->sendTime = ts;
}
packets.push_back (it);
if (int(packets.size ()) >= m_NumPacketsToSend) break;
m_NumPacketsToResend--;
if ((int)packets.size () >= m_NumPacketsToSend || (int)packets.size () >= numPacketsToResend) break;
}
}

2
libi2pd/Streaming.h
View File

@ -279,7 +279,7 @@ namespace stream
int m_WindowIncCounter, m_RTO, m_AckDelay, m_PrevRTTSample, m_PrevRTT, m_Jitter;
uint64_t m_MinPacingTime, m_PacingTime, m_PacingTimeRem, m_DropWindowDelayTime, m_LastSendTime; // microseconds
uint64_t m_LastACKSendTime, m_PacketACKInterval, m_PacketACKIntervalRem; // for limit inbound speed
int m_NumResendAttempts, m_NumPacketsToSend;
int m_NumResendAttempts, m_NumPacketsToSend, m_NumPacketsToResend;
size_t m_MTU;
};