public void encode(IoSession session, Object message, ProtocolEncoderOutput output)
throws Exception {
AbstractMessage msgObj = (AbstractMessage) message;
byte[] body = msgObj.encodeBody();
int total = 12 + (body == null ? 0 : body.length);
IoBuffer buffer = IoBuffer.allocate(total);
buffer.putInt(total);
buffer.putInt(msgObj.getCommandId());
buffer.putInt(msgObj.getSequenceId());
if (body != null) buffer.put(body);
buffer.flip();
output.write(buffer);
}
