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send immediate ack request if no packet being sent

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orignal 2024-09-09 18:40:06 -04:00
parent cd648b9b3f
commit 07d108bb6f
2 changed files with 13 additions and 5 deletions
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11
libi2pd/Streaming.cpp
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@ -877,13 +877,18 @@ namespace stream
}
packet[size] = 0;
size++; // resend delay
htobuf16 (packet + size, choking ? PACKET_FLAG_DELAY_REQUESTED : 0); // no flags set or delay
bool requestImmediateAck = false;
if (!choking)
requestImmediateAck = m_LastSendTime && ts > m_LastSendTime + REQUEST_IMMEDIATE_ACK_INTERVAL &&
ts > m_LastSendTime + REQUEST_IMMEDIATE_ACK_INTERVAL + m_LocalDestination.GetRandom () % REQUEST_IMMEDIATE_ACK_INTERVAL_VARIANCE;
htobuf16 (packet + size, (choking || requestImmediateAck) ? PACKET_FLAG_DELAY_REQUESTED : 0); // no flags set or delay requested
size += 2; // flags
if (choking)
if (choking || requestImmediateAck)
{
htobuf16 (packet + size, 2); // 2 bytes delay interval
htobuf16 (packet + size + 2, DELAY_CHOKING); // set choking interval
htobuf16 (packet + size + 2, choking ? DELAY_CHOKING : 0); // set choking or immediated ack interval
size += 2;
if (requestImmediateAck) m_LastSendTime = ts; // ack request sent
}
else
htobuf16 (packet + size, 0); // no options