Ejemplo n.º 1
0
 private int SendNetifLevel3Output(byte *buffer, int offset, int length)
 {
     if (offset < 0 || length < 0)
     {
         return(~0);
     }
     if (buffer == null)
     {
         int num = (offset + length);
         if (0 == num)
         {
             return(0);
         }
         return(~0);
     }
     lock (this)
     {
         NativeNetif.OVERLAPPED *overlapped = stackalloc NativeNetif.OVERLAPPED[1];
         NativeNetif.memset(overlapped, 0, sizeof(NativeNetif.OVERLAPPED));
         if (!NativeNetif.WriteFile(this.Handle, &buffer[offset], length, out int lpNumberOfBytesWritten, overlapped))
         {
             lpNumberOfBytesWritten = 0;
             if (!NativeNetif.GetOverlappedResult(this.Handle, overlapped, ref lpNumberOfBytesWritten, true))
             {
                 lpNumberOfBytesWritten = ~0;
             }
         }
         return(lpNumberOfBytesWritten);
     }
 }
Ejemplo n.º 2
0
 private void ListenNetifLevel3Input(Action <byte[], int> callback)
 {
     NativeNetif.OVERLAPPED *overlapped = stackalloc NativeNetif.OVERLAPPED[1];
     byte[] buffer = new byte[MTU];
     while (0 == Interlocked.CompareExchange(ref this._disposed, 0, 0))
     {
         NativeNetif.memset(overlapped, 0, sizeof(NativeNetif.OVERLAPPED));
         int nNumberOfBytesToRead = 0;
         if (!NativeNetif.ReadFile(this.Handle, buffer, MTU, ref nNumberOfBytesToRead, ref *overlapped))
         {
             if (!NativeNetif.GetOverlappedResult(this.Handle, overlapped, ref nNumberOfBytesToRead, true))
             {
                 callback?.Invoke(buffer, ~0);
                 break;
             }
         }
         callback?.Invoke(buffer, nNumberOfBytesToRead);
     }
 }