public TransferCommandInfo GetCommandInfo(byte[] readBuffer, int offset, int length, out int left)
{
left = 0;
if ((readBuffer.Length - length) >= 4)
{
UpLoadOP dop = (UpLoadOP)((readBuffer[offset] * 0x100) + readBuffer[offset + 1]);
if (!Enum.IsDefined(typeof(UpLoadOP), dop))
{
return(null);
}
left = 4;
int count = (readBuffer[offset + 2] * 0x100) + readBuffer[offset + 3];
byte[] dst = new byte[count];
Buffer.BlockCopy(readBuffer, left, dst, 0, count);
switch (dop)
{
case UpLoadOP.DoUpLoad:
return(new TransferCommandInfo(UpLoadOP.DoUpLoad.ToString(), dst));
case UpLoadOP.DoExists:
return(new TransferCommandInfo(UpLoadOP.DoExists.ToString(), dst));
//case UpLoadOP.DoEnd:
// return new TransferCommandInfo(UpLoadOP.DoEnd.ToString(), dst);
case UpLoadOP.DoStop:
return(new TransferCommandInfo(UpLoadOP.DoStop.ToString(), dst));
}
}
return(null);
}
internal void SendData(UpLoadOP opCode, byte[] data, int offset, int length)
{
byte[] dst = new byte[length + 4];
dst[0] = (byte)((int)opCode / 256);
dst[1] = (byte)((int)opCode % 256);
dst[2] = (byte)(data.Length / 256);
dst[3] = (byte)(data.Length % 256);
Buffer.BlockCopy(data, offset, dst, 4, length);
this.Session.Send(dst, 0, dst.Length);
}
protected override BinaryRequestInfo ResolveRequestInfo(ArraySegment <byte> header, byte[] bodyBuffer, int offset, int length)
{
int num = header.Array[0];
if (num == 0)
{
UpLoadOP dop = (UpLoadOP)(header.Array[1] * 256) + header.Array[2];
return(new BinaryRequestInfo(dop.ToString(), bodyBuffer.CloneRange <byte>(offset, length)));
}
return(null);
}