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random tunnel reject when medium congestion

pull/2117/head
orignal 4 weeks ago
parent
commit
4c66608caf
  1. 20
      libi2pd/I2NPProtocol.cpp

20
libi2pd/I2NPProtocol.cpp

@ -396,8 +396,26 @@ namespace i2p @@ -396,8 +396,26 @@ namespace i2p
return false;
}
uint8_t retCode = 0;
// decide if we should accept tunnel
bool accept = i2p::context.AcceptsTunnels ();
if (accept)
{
auto congestionLevel = i2p::context.GetCongestionLevel (false);
if (congestionLevel >= CONGESTION_LEVEL_MEDIUM)
{
if (congestionLevel < CONGESTION_LEVEL_FULL)
{
// random reject depending on congestion level
int level = i2p::tunnel::tunnels.GetRng ()() % (CONGESTION_LEVEL_FULL - CONGESTION_LEVEL_MEDIUM) + CONGESTION_LEVEL_MEDIUM;
if (congestionLevel > level)
accept = false;
}
else
accept = false;
}
}
// replace record to reply
if (i2p::context.AcceptsTunnels () && i2p::context.GetCongestionLevel (false) < CONGESTION_LEVEL_FULL)
if (accept)
{
auto transitTunnel = i2p::tunnel::CreateTransitTunnel (
bufbe32toh (clearText + ECIES_BUILD_REQUEST_RECORD_RECEIVE_TUNNEL_OFFSET),

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