public void ReceiveData(SocketAsyncEventArgs args)
{
if (Buffer == null)
{
if (args.BytesTransferred > 10)
{
byte[] bytes = new byte[10];
args.CopyTo(bytes, 0, 10);
string str = Encoding.UTF8.GetString(bytes).TrimStart('0');
int len = 0;
if (int.TryParse(str, out len))
{
Buffer = new byte[len];
System.Buffer.BlockCopy(args.Buffer, args.Offset + 10, Buffer, _offset, args.BytesTransferred - 10);
_offset = args.BytesTransferred - 10;
}
else
{
throw new NotSupportedException("Message format error.");
}
}
else
{
throw new NotSupportedException("Message format error.");
}
}
else
{
args.CopyTo(Buffer, _offset);
_offset += args.BytesTransferred;
}
IsCompleted = _offset >= Buffer.Length;
}
public static void CopyTo(this SocketAsyncEventArgs args, byte[] bytes)
{
args.CopyTo(bytes, 0, args.BytesTransferred);
}
