private void encodeCommand(@Nonnull AbstractCommand cmd) throws IOException {
if (cmd.getId() != CommandList.CMD_KEEPALIVE) {
log.debug("SND: {}", cmd);
}
buffer.clear();
buffer.put((byte) cmd.getId());
buffer.put((byte) (cmd.getId() ^ COMMAND_XOR_MASK));
// keep some space for the length and the CRC
int headerLenCRC = buffer.position();
buffer.putShort((short) 0);
buffer.putShort((short) 0);
int startOfCmd = buffer.position();
// encode command into net protocol
cmd.encode(this);
int length = buffer.position() - startOfCmd;
buffer.flip();
buffer.position(startOfCmd);
int crc = NetComm.getCRC(buffer, length);
buffer.position(headerLenCRC);
buffer.putShort((short) length);
buffer.putShort((short) crc);
buffer.position(0);
if (NetComm.isDumpingActive()) {
NetComm.dump("snd => ", buffer);
buffer.flip();
}
outChannel.write(buffer);
}
/**
* Put command in send queue so its send at the next send loop.
*
* @param cmd the command that shall be added to the queue
*/
@SuppressWarnings("nls")
public void sendCommand(@Nonnull final AbstractCommand cmd) {
if (IllaClient.isDebug(Debug.protocol)) {
if (cmd.getId() != CommandList.CMD_KEEPALIVE) {
LOGGER.debug("SND: " + cmd.toString());
}
}
try {
outputQueue.put(cmd);
} catch (@Nonnull final InterruptedException e) {
LOGGER.error("Got interrupted while trying to add a command to to the queue.");
}
}