Exemple #1
0
 private static void ReceiveMsg()
 {
     while (isOn)
     {
         // 用来保存发送方的ip和端口号
         EndPoint point  = new IPEndPoint(IPAddress.Any, 0);
         byte[]   buffer = new byte[1024];
         // 接收数据报
         try
         {
             int        length  = socket.ReceiveFrom(buffer, ref point);
             Cat021Data outData = CommWrapper.decode(buffer, UDPDataSource.type);
             qData.Enqueue(outData);
         }
         catch (Exception)
         {
             return;
         }
     }
 }
Exemple #2
0
 public static Cat021Data decode(Byte[] msg, Byte type)
 {
     if (null == msg || 0 == msg.Length)
     {
         Cat021Data exceptionData = new Cat021Data();
         exceptionData.sModeAddress = -1;
         exceptionData.flightNo     = "CA0000";
         return(exceptionData);
     }
     try
     {
         msg[1023] = type;
         // Console.WriteLine("msg1 = " + msg[0] + ", " + msg[1] + ", " + msg[2]);
         var p = Marshal.AllocHGlobal(1024);
         Marshal.Copy(msg, 0, p, 1024);
         IntPtr ptr = CommWrapper.decodeMessage4(p);
         Marshal.FreeHGlobal(p);
         msg[1023] = 0;
         // Console.WriteLine("msg2 = " + msg[0] + ", " + msg[1] + ", " + msg[2]);
         Cat021Data outData = (Cat021Data)Marshal.PtrToStructure(ptr, typeof(Cat021Data));
         if (-1 == outData.sModeAddress)
         {
             Cat021Data exceptionData = new Cat021Data();
             exceptionData.sModeAddress = -1;
             exceptionData.flightNo     = "CA0000";
             return(exceptionData);
         }
         // Marshal.FreeHGlobal(ptr);
         return(outData);
     }
     catch
     {
         Cat021Data exceptionData = new Cat021Data();
         exceptionData.sModeAddress = -1;
         exceptionData.flightNo     = "CA0000";
         return(exceptionData);
     }
 }