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use memory pool for outgoing tunnel gateway messages

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This commit is contained in:
orignal 2021-10-22 19:18:45 -04:00
parent 0a62a962d7
commit cdc8e463b7
3 changed files with 21 additions and 16 deletions
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9
libi2pd/I2NPProtocol.cpp
View File

@ -38,14 +38,7 @@ namespace i2p
std::shared_ptr<I2NPMessage> NewI2NPTunnelMessage (bool endpoint)
{
if (endpoint)
return i2p::tunnel::tunnels.NewI2NPTunnelMessage ();
else
{
auto msg = new I2NPMessageBuffer<i2p::tunnel::TUNNEL_DATA_MSG_SIZE + I2NP_HEADER_SIZE + 34>(); // reserved for alignment and NTCP 16 + 6 + 12
msg->Align (12);
return std::shared_ptr<I2NPMessage>(msg);
}
return i2p::tunnel::tunnels.NewI2NPTunnelMessage (endpoint);
}
std::shared_ptr<I2NPMessage> NewI2NPMessage (size_t len)

14
libi2pd/Tunnel.cpp
View File

@ -566,6 +566,7 @@ namespace tunnel
}
if (ts - lastMemoryPoolTs >= 120) // manage memory pool every 2 minutes
{
m_I2NPTunnelEndpointMessagesMemoryPool.CleanUpMt ();
m_I2NPTunnelMessagesMemoryPool.CleanUpMt ();
lastMemoryPoolTs = ts;
}
@ -940,14 +941,23 @@ namespace tunnel
return outboundTunnel;
}
std::shared_ptr<I2NPMessage> Tunnels::NewI2NPTunnelMessage ()
std::shared_ptr<I2NPMessage> Tunnels::NewI2NPTunnelMessage (bool endpoint)
{
if (endpoint)
{
// should fit two tunnel message + tunnel gateway header, enough for one garlic encrypted streaming packet
auto msg = m_I2NPTunnelMessagesMemoryPool.AcquireSharedMt ();
auto msg = m_I2NPTunnelEndpointMessagesMemoryPool.AcquireSharedMt ();
msg->Align (6);
msg->offset += TUNNEL_GATEWAY_HEADER_SIZE; // reserve room for TunnelGateway header
return msg;
}
else
{
auto msg = m_I2NPTunnelMessagesMemoryPool.AcquireSharedMt ();
msg->Align (12);
return msg;
}
}
int Tunnels::GetTransitTunnelsExpirationTimeout ()
{

6
libi2pd/Tunnel.h
View File

@ -41,6 +41,7 @@ namespace tunnel
const int MAX_NUM_RECORDS = 8;
const int HIGH_LATENCY_PER_HOP = 250; // in milliseconds
const size_t I2NP_TUNNEL_MESSAGE_SIZE = TUNNEL_DATA_MSG_SIZE + I2NP_HEADER_SIZE + 34; // reserved for alignment and NTCP 16 + 6 + 12
const size_t I2NP_TUNNEL_ENPOINT_MESSAGE_SIZE = 2*TUNNEL_DATA_MSG_SIZE + I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE + 28; // reserved for alignment and NTCP 16 + 6 + 6
enum TunnelState
@ -222,7 +223,7 @@ namespace tunnel
void DeleteTunnelPool (std::shared_ptr<TunnelPool> pool);
void StopTunnelPool (std::shared_ptr<TunnelPool> pool);
std::shared_ptr<I2NPMessage> NewI2NPTunnelMessage ();
std::shared_ptr<I2NPMessage> NewI2NPTunnelMessage (bool endpoint);
private:
@ -262,7 +263,8 @@ namespace tunnel
std::list<std::shared_ptr<TunnelPool>> m_Pools;
std::shared_ptr<TunnelPool> m_ExploratoryPool;
i2p::util::Queue<std::shared_ptr<I2NPMessage> > m_Queue;
i2p::util::MemoryPoolMt<I2NPMessageBuffer<I2NP_TUNNEL_ENPOINT_MESSAGE_SIZE> > m_I2NPTunnelMessagesMemoryPool;
i2p::util::MemoryPoolMt<I2NPMessageBuffer<I2NP_TUNNEL_ENPOINT_MESSAGE_SIZE> > m_I2NPTunnelEndpointMessagesMemoryPool;
i2p::util::MemoryPoolMt<I2NPMessageBuffer<I2NP_TUNNEL_MESSAGE_SIZE> > m_I2NPTunnelMessagesMemoryPool;
// some stats
int m_NumSuccesiveTunnelCreations, m_NumFailedTunnelCreations;