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@ -227,12 +227,17 @@ namespace client
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I2CPSession::I2CPSession (I2CPServer& owner, std::shared_ptr<proto::socket> socket):
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m_Owner (owner), m_Socket (socket), m_SessionID (0xFFFF),
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m_MessageID (0), m_IsSendAccepted (true)
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m_MessageID (0), m_IsSendAccepted (true), m_IsSending (false)
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{
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}
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I2CPSession::~I2CPSession ()
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{
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if (m_SendQueue)
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{
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for (auto& it: *m_SendQueue)
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delete[] boost::asio::buffer_cast<const uint8_t *>(it);
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}
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}
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void I2CPSession::Start ()
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@ -358,25 +363,64 @@ namespace client
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if (socket)
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{
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auto l = len + I2CP_HEADER_SIZE;
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uint8_t * buf = new uint8_t[l];
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uint8_t * buf = m_IsSending ? new uint8_t[l] : m_SendBuffer;
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htobe32buf (buf + I2CP_HEADER_LENGTH_OFFSET, len);
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buf[I2CP_HEADER_TYPE_OFFSET] = type;
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memcpy (buf + I2CP_HEADER_SIZE, payload, len);
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boost::asio::async_write (*socket, boost::asio::buffer (buf, l), boost::asio::transfer_all (),
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std::bind(&I2CPSession::HandleI2CPMessageSent, shared_from_this (),
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std::placeholders::_1, std::placeholders::_2, buf));
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if (m_IsSending)
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{
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if (!m_SendQueue)
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m_SendQueue = std::make_shared<SendQueue::element_type> ();
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if (m_SendQueue->size () > I2CP_MAX_SEND_QUEUE_SIZE)
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{
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LogPrint (eLogError, "I2CP: Queue size exceeds ", I2CP_MAX_SEND_QUEUE_SIZE);
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return;
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}
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m_SendQueue->push_back ({buf, l});
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}
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else
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{
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m_IsSending = true;
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boost::asio::async_write (*socket, boost::asio::buffer (m_SendBuffer, l), boost::asio::transfer_all (),
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std::bind(&I2CPSession::HandleI2CPMessageSent, shared_from_this (),
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std::placeholders::_1, std::placeholders::_2));
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}
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}
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else
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LogPrint (eLogError, "I2CP: Can't write to the socket");
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}
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void I2CPSession::HandleI2CPMessageSent (const boost::system::error_code& ecode, std::size_t bytes_transferred, const uint8_t * buf)
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void I2CPSession::HandleI2CPMessageSent (const boost::system::error_code& ecode, std::size_t bytes_transferred)
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{
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delete[] buf;
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if (ecode && ecode != boost::asio::error::operation_aborted)
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Terminate ();
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if (ecode)
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{
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if (ecode != boost::asio::error::operation_aborted)
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Terminate ();
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}
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else if (m_SendQueue)
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{
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auto socket = m_Socket;
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if (socket)
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{
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auto queue = m_SendQueue;
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m_SendQueue = nullptr;
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boost::asio::async_write (*socket, *queue, boost::asio::transfer_all (),
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std::bind(&I2CPSession::HandleI2CPMessageSentQueue, shared_from_this (),
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std::placeholders::_1, std::placeholders::_2, queue));
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}
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}
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else
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m_IsSending = false;
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}
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void I2CPSession::HandleI2CPMessageSentQueue (const boost::system::error_code& ecode, std::size_t bytes_transferred, SendQueue queue)
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{
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for (auto& it: *queue)
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delete[] boost::asio::buffer_cast<const uint8_t *>(it);;
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HandleI2CPMessageSent (ecode, bytes_transferred);
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}
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std::string I2CPSession::ExtractString (const uint8_t * buf, size_t len)
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{
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uint8_t l = buf[0];
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@ -810,16 +854,31 @@ namespace client
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if (socket)
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{
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auto l = len + 10 + I2CP_HEADER_SIZE;
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uint8_t * buf = new uint8_t[l];
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uint8_t * buf = m_IsSending ? new uint8_t[l] : m_SendBuffer;
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htobe32buf (buf + I2CP_HEADER_LENGTH_OFFSET, len + 10);
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buf[I2CP_HEADER_TYPE_OFFSET] = I2CP_MESSAGE_PAYLOAD_MESSAGE;
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htobe16buf (buf + I2CP_HEADER_SIZE, m_SessionID);
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htobe32buf (buf + I2CP_HEADER_SIZE + 2, m_MessageID++);
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htobe32buf (buf + I2CP_HEADER_SIZE + 6, len);
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memcpy (buf + I2CP_HEADER_SIZE + 10, payload, len);
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boost::asio::async_write (*socket, boost::asio::buffer (buf, l), boost::asio::transfer_all (),
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std::bind(&I2CPSession::HandleI2CPMessageSent, shared_from_this (),
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std::placeholders::_1, std::placeholders::_2, buf));
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if (m_IsSending)
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{
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if (!m_SendQueue)
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m_SendQueue = std::make_shared<SendQueue::element_type> ();
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if (m_SendQueue->size () > I2CP_MAX_SEND_QUEUE_SIZE)
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{
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LogPrint (eLogError, "I2CP: Queue size exceeds ", I2CP_MAX_SEND_QUEUE_SIZE);
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return;
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}
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m_SendQueue->push_back ({buf, l});
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}
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else
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{
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m_IsSending = true;
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boost::asio::async_write (*socket, boost::asio::buffer (m_SendBuffer, l), boost::asio::transfer_all (),
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std::bind(&I2CPSession::HandleI2CPMessageSent, shared_from_this (),
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std::placeholders::_1, std::placeholders::_2));
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}
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}
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else
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LogPrint (eLogError, "I2CP: Can't write to the socket");
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