Пример #1
0
        /// <summary>
        /// Send: sends an HL7 message to a host and returns the ACK/NACK response (if required).
        /// </summary>
        /// <param name="data"></param>
        /// <returns>byte[]</returns>
        public HL7Message Send(HL7Message hl7)
        {
            Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            try
            {
                s.Connect(ep);

                if (s.Connected)
                {
                    MllpPacket mllp = new MllpPacket(hl7);
                    int count = s.Send((byte[])mllp);

                    if (count > 0 && ackNackRequired)
                    {
                        SocketState state = new SocketState();
                        s.Receive(state.Buffer, 0, SocketState.BufferSize, SocketFlags.None);

                        if (MllpPacket.IsValidMllpPacket(state.Buffer.ToList()))
                            return new MllpPacket(state.Buffer).HL7Message;
                    }
                }
            }
            finally
            {
                s.Close();
            }
            return null;
        }
Пример #2
0
 /// <summary>
 /// AcceptConnection
 /// </summary>
 /// <param name="ar"></param>
 private void AcceptConnection(IAsyncResult ar)
 {
     try
     {
         Socket s1 = (Socket)ar.AsyncState;
         Socket s2 = s1.EndAccept(ar);
         SocketState state = new SocketState() { Socket = s2 };
         s2.BeginReceive(state.Buffer, 0, SocketState.BufferSize, SocketFlags.None, SocketReceive, state);
         s1.BeginAccept(AcceptConnection, s1);
     }
     catch (ObjectDisposedException)
     {
         // eat it
     }
     catch (Exception ex)
     {
         RaiseErrorEvent(ex);
     }
 }