Exemplo n.º 1
0
        public static int TxAppPack(byte[] txBuf, int Length)
        {
            int num = 200;

            byte[] numArray = new byte[272];
            Console.WriteLine("This is a Client, host name is {0}", (object)Dns.GetHostName());
            IPEndPoint ipEndPoint = new IPEndPoint(IPAddress.Parse(Convert.ToString(FormMain.sCommuAtt.IP0) + (object)'.' + Convert.ToString(FormMain.sCommuAtt.IP1) + (object)'.' + Convert.ToString(FormMain.sCommuAtt.IP2) + (object)'.' + Convert.ToString(FormMain.sCommuAtt.IP3)), FormMain.sCommuAtt.Port);
            Socket     socket     = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);

            if (Length > num)
            {
                return(1);
            }
            int commuPack = ProtocolDevIo.CreateCommuPack(numArray, txBuf, Convert.ToByte(FormMain.sCommuAtt.ScreenId), Convert.ToByte(FormMain.sCommuAtt.ComNo), Convert.ToByte(Length));

            socket.SendTo(numArray, commuPack, SocketFlags.None, (EndPoint)ipEndPoint);
            EndPoint remoteEP = (EndPoint) new IPEndPoint(IPAddress.Any, 0);

            socket.ReceiveTimeout = 3;
            try
            {
                int from = socket.ReceiveFrom(CommuUdp.EthentRxBuf, ref remoteEP);
                socket.Close();
                if (from <= 7 || !ProtocolDevIo.CheckCommuPack(CommuUdp.EthentRxBuf, from))
                {
                    return(1);
                }
                return(CommuUdp.EthentRxBuf[4] == (byte)0 ? 0 : -1);
            }
            catch
            {
                socket.Close();
                return(1);
            }
        }
Exemplo n.º 2
0
 public static void ReceiveMessage(IAsyncResult ar)
 {
     try
     {
         Socket asyncState = ar.AsyncState as Socket;
         int    Length     = asyncState.EndReceive(ar);
         CommuTcp.RxRes = !ProtocolDevIo.CheckCommuPack(CommuTcp.EthentRxBuf, Length) ? 1 : (CommuTcp.EthentRxBuf[4] != (byte)0 ? -1 : 0);
         asyncState.BeginReceive(CommuTcp.EthentRxBuf, 0, CommuTcp.EthentRxBuf.Length, SocketFlags.None, new AsyncCallback(CommuTcp.ReceiveMessage), (object)asyncState);
     }
     catch (Exception ex)
     {
         Console.WriteLine(ex.Message);
     }
 }
Exemplo n.º 3
0
        public static int TxAppPack(byte[] txBuf, int Length)
        {
            int num = 200;

            byte[] numArray = new byte[272];
            CommuTcp.RxRes = 1;
            if (!CommuTcp.TcpSocket.Connected || Length > num)
            {
                return(CommuTcp.RxRes);
            }
            int commuPack = ProtocolDevIo.CreateCommuPack(numArray, txBuf, Convert.ToByte(FormMain.sCommuAtt.ScreenId), Convert.ToByte(FormMain.sCommuAtt.ComNo), Convert.ToByte(Length));

            CommuTcp.TcpSocket.BeginSend(numArray, 0, commuPack, SocketFlags.None, (AsyncCallback)null, (object)null);
            for (int index = 0; index < 100; ++index)
            {
                FormMain.DelayMs(30);
            }
            return(CommuTcp.RxRes);
        }