Ejemplo n.º 1
0
        public void InCompleted(SocketError socketError, int bytesTransferred)
        {
            if (socketError != SocketError.Success)
            {
                if (socketError == SocketError.ConnectionReset || socketError == SocketError.NoBufferSpaceAvailable ||
                    socketError == SocketError.TooManyOpenSockets)
                {
                    m_socket.EventAcceptFailed(m_endpoint, ErrorHelper.SocketErrorToErrorCode(socketError));

                    Accept();
                }
                else
                {
                    m_acceptedSocket.Dispose();

                    NetMQException exception = NetMQException.Create(socketError);

                    m_socket.EventAcceptFailed(m_endpoint, exception.ErrorCode);
                    throw exception;
                }
            }
            else
            {
                // TODO: check TcpFilters

                m_acceptedSocket.NoDelay = true;

                // Utils.TuneTcpKeepalives(m_acceptedSocket, m_options.TcpKeepalive, m_options.TcpKeepaliveCnt, m_options.TcpKeepaliveIdle, m_options.TcpKeepaliveIntvl);

                //  Create the engine object for this connection.
                StreamEngine engine = new StreamEngine(m_acceptedSocket, m_options, m_endpoint);

                //  Choose I/O thread to run connecter in. Given that we are already
                //  running in an I/O thread, there must be at least one available.
                IOThread ioThread = ChooseIOThread(m_options.Affinity);

                //  Create and launch a session object.
                // TODO: send null in address parameter, is unneed in this case
                SessionBase session = SessionBase.Create(ioThread, false, m_socket, m_options, new Address(m_handle.LocalEndPoint));
                session.IncSeqnum();
                LaunchChild(session);

                SendAttach(session, engine, false);

                m_socket.EventAccepted(m_endpoint, m_acceptedSocket);

                Accept();
            }
        }
Ejemplo n.º 2
0
        /// <summary>
        /// This method is called when a message receive operation has been completed.
        /// </summary>
        /// <param name="socketError">a SocketError value that indicates whether Success or an error occurred</param>
        /// <param name="bytesTransferred">the number of bytes that were transferred</param>
        public void InCompleted(SocketError socketError, int bytesTransferred)
        {
            if (socketError != SocketError.Success)
            {
                m_socket.EventAcceptFailed(m_address.ToString(), socketError.ToErrorCode());

                // dispose old object
                m_acceptedSocket.Handle.Dispose();

                Accept();
            }
            else
            {
                m_acceptedSocket.InitOptions();

                var pgmSession = new PgmSession(m_acceptedSocket, m_options);

                IOThread ioThread = ChooseIOThread(m_options.Affinity);

                SessionBase session = SessionBase.Create(ioThread, false, m_socket, m_options, new Address(m_handle.LocalEndPoint));

                session.IncSeqnum();
                LaunchChild(session);
                SendAttach(session, pgmSession, false);
                m_socket.EventAccepted(m_address.ToString(), m_acceptedSocket.Handle);

                Accept();
            }
        }
Ejemplo n.º 3
0
        /// <summary>
        /// This method is called when a message receive operation has been completed.
        /// </summary>
        /// <param name="socketError">a SocketError value that indicates whether Success or an error occurred</param>
        /// <param name="bytesTransferred">the number of bytes that were transferred</param>
        public void InCompleted(SocketError socketError, int bytesTransferred)
        {
            Assumes.NotNull(m_address);
            Assumes.NotNull(m_acceptedSocket);
            Assumes.NotNull(m_acceptedSocket.Handle);

            if (socketError != SocketError.Success)
            {
                m_socket.EventAcceptFailed(m_address.ToString(), socketError.ToErrorCode());

                // dispose old object
                m_acceptedSocket.Handle.Dispose();

                Accept();
            }
            else
            {
                //This if-case only concerns bound PGM Subscribers after the Ethernet cable has been unplugged (Publisher on same host)
                //or plugged in again (Publisher on different host).
                if (m_address.InterfaceAddress != null)
                {
                    try
                    {
                        m_acceptedSocket.Handle.SetSocketOption(PgmSocket.PgmLevel, PgmSocket.RM_ADD_RECEIVE_IF,
                                                                m_address.InterfaceAddress.GetAddressBytes());
                    }
                    catch
                    {
                        // dispose old object
                        m_acceptedSocket.Handle.Dispose();

                        Accept();
                        return;
                    }
                }

                m_acceptedSocket.InitOptions();

                var pgmSession = new PgmSession(m_acceptedSocket, m_options);

                IOThread?ioThread = ChooseIOThread(m_options.Affinity);

                Assumes.NotNull(ioThread);
                Assumes.NotNull(m_handle);

                SessionBase session = SessionBase.Create(ioThread, false, m_socket, m_options, new Address(m_handle.LocalEndPoint));

                session.IncSeqnum();
                LaunchChild(session);
                SendAttach(session, pgmSession, false);
                m_socket.EventAccepted(m_address.ToString(), m_acceptedSocket.Handle);

                Accept();
            }
        }
Ejemplo n.º 4
0
        public void InCompleted(SocketError socketError, int bytesTransferred)
        {
            if (socketError != SocketError.Success)
            {
                if (socketError == SocketError.ConnectionReset || socketError == SocketError.NoBufferSpaceAvailable ||
                    socketError == SocketError.TooManyOpenSockets)
                {
                    m_socket.EventAcceptFailed(m_endpoint, ErrorHelper.SocketErrorToErrorCode(socketError));

                    Accept();
                }
                else
                {
                    m_acceptedSocket.Dispose();

                    NetMQException exception = NetMQException.Create(socketError);

                    m_socket.EventAcceptFailed(m_endpoint, exception.ErrorCode);
                    throw exception;
                }
            }
            else
            {
                // TODO: check TcpFilters

                m_acceptedSocket.NoDelay = true;

                if (m_options.TcpKeepalive != -1)
                {
                    m_acceptedSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, m_options.TcpKeepalive);

                    if (m_options.TcpKeepaliveIdle != -1 && m_options.TcpKeepaliveIntvl != -1)
                    {
                        ByteArraySegment bytes = new ByteArraySegment(new byte[12]);

                        Endianness endian = BitConverter.IsLittleEndian ? Endianness.Little : Endianness.Big;

                        bytes.PutInteger(endian, m_options.TcpKeepalive, 0);
                        bytes.PutInteger(endian, m_options.TcpKeepaliveIdle, 4);
                        bytes.PutInteger(endian, m_options.TcpKeepaliveIntvl, 8);

                        m_acceptedSocket.IOControl(IOControlCode.KeepAliveValues, (byte[])bytes, null);
                    }
                }

                //  Create the engine object for this connection.
                StreamEngine engine = new StreamEngine(m_acceptedSocket, m_options, m_endpoint);

                //  Choose I/O thread to run connecter in. Given that we are already
                //  running in an I/O thread, there must be at least one available.
                IOThread ioThread = ChooseIOThread(m_options.Affinity);

                //  Create and launch a session object.
                // TODO: send null in address parameter, is unneed in this case
                SessionBase session = SessionBase.Create(ioThread, false, m_socket, m_options, new Address(m_handle.LocalEndPoint));
                session.IncSeqnum();
                LaunchChild(session);

                SendAttach(session, engine, false);

                m_socket.EventAccepted(m_endpoint, m_acceptedSocket);

                Accept();
            }
        }