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insert multiple packets to the queue using splice

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orignal 2024-10-15 15:05:18 -04:00
parent 7104d334fd
commit ec1f41b13c
2 changed files with 33 additions and 17 deletions
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44
libi2pd/SSU2.cpp
View file

@ -367,23 +367,22 @@ namespace transport
return;
}
packet->len = bytes_transferred;
InsertToReceivedPacketsQueue (packet);
size_t numPackets = 1;
boost::system::error_code ec;
size_t moreBytes = socket.available (ec);
if (!ec && moreBytes)
{
do
std::list<Packet *> packets;
packets.push_back (packet);
while (moreBytes && packets.size () < SSU2_MAX_NUM_PACKETS_PER_BATCH)
{
packet = m_PacketsPool.AcquireMt ();
packet->len = socket.receive_from (boost::asio::buffer (packet->buf, SSU2_MAX_PACKET_SIZE), packet->from, 0, ec);
if (!ec)
{
i2p::transport::transports.UpdateReceivedBytes (packet->len);
numPackets++;
if (packet->len >= SSU2_MIN_RECEIVED_PACKET_SIZE)
InsertToReceivedPacketsQueue (packet);
packets.push_back (packet);
else // drop too short packets
m_PacketsPool.ReleaseMt (packet);
moreBytes = socket.available(ec);
@ -396,8 +395,10 @@ namespace transport
break;
}
}
while (moreBytes && numPackets < SSU2_MAX_NUM_PACKETS_PER_BATCH);
InsertToReceivedPacketsQueue (packets);
}
else
InsertToReceivedPacketsQueue (packet);
Receive (socket);
}
else
@ -448,17 +449,30 @@ namespace transport
m_ReceivedPacketsQueue.push_back (packet);
}
if (empty)
GetService ().post([this]() { HandleReceivedPacketsQueue (); });
}
void SSU2Server::InsertToReceivedPacketsQueue (std::list<Packet *>& packets)
{
if (packets.empty ()) return;
bool empty = false;
{
GetService ().post([this]()
{
std::list<Packet *> receivedPackets;
{
std::lock_guard<std::mutex> l(m_ReceivedPacketsQueueMutex);
m_ReceivedPacketsQueue.swap (receivedPackets);
}
HandleReceivedPackets (std::move (receivedPackets));
});
std::lock_guard<std::mutex> l(m_ReceivedPacketsQueueMutex);
empty = m_ReceivedPacketsQueue.empty ();
m_ReceivedPacketsQueue.splice (m_ReceivedPacketsQueue.end (), packets);
}
if (empty)
GetService ().post([this]() { HandleReceivedPacketsQueue (); });
}
void SSU2Server::HandleReceivedPacketsQueue ()
{
std::list<Packet *> receivedPackets;
{
std::lock_guard<std::mutex> l(m_ReceivedPacketsQueueMutex);
m_ReceivedPacketsQueue.swap (receivedPackets);
}
HandleReceivedPackets (std::move (receivedPackets));
}
void SSU2Server::AddSession (std::shared_ptr<SSU2Session> session)

2
libi2pd/SSU2.h
View file

@ -135,6 +135,8 @@ namespace transport
void HandleReceivedPackets (std::list<Packet *>&& packets);
void ProcessNextPacket (uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& senderEndpoint);
void InsertToReceivedPacketsQueue (Packet * packet);
void InsertToReceivedPacketsQueue (std::list<Packet *>& packets);
void HandleReceivedPacketsQueue ();
void ScheduleTermination ();
void HandleTerminationTimer (const boost::system::error_code& ecode);