protected override void Decode(IChannelHandlerContext context, IByteBuffer input, List <object> output)
{
if (input.ReadableBytes < 4)
{
return;
}
input.MarkReaderIndex();
int dataLength = input.ReadInt();
if (input.ReadableBytes < dataLength)
{
input.ResetReaderIndex();
return;
}
byte[] data = new byte[dataLength];
input.ReadBytes(data);
NetCommand command = NetCommand.Deserialize(data);
output.Add(command);
}