/**
* @param args is used to define all the options of the client. <port:N> is used to specify the
* port for the connection (default is 3001) <host:ADDRESS> is used to specify the address of
* the host where the server is running (default is localhost) <id:ClientID> is used to
* specify the ID of the client sent to the server (default is championship2009) <verbose:on>
* is used to set verbose mode on (default is off) <maxEpisodes:N> is used to set the number
* of episodes (default is 1) <maxSteps:N> is used to set the max number of steps for each
* episode (0 is default value, that means unlimited number of steps) <stage:N> is used to set
* the current stage: 0 is WARMUP, 1 is QUALIFYING, 2 is RACE, others value means UNKNOWN
* (default is UNKNOWN) <trackName:name> is used to set the name of current track
*/
public static void main(String[] args) {
parseParameters(args);
SocketHandler mySocket = new SocketHandler(host, port, verbose);
String inMsg;
Controller driver = load(args[0]);
driver.setStage(stage);
driver.setTrackName(trackName);
/* Build init string */
float[] angles = driver.initAngles();
String initStr = clientId + "(init";
for (int i = 0; i < angles.length; i++) {
initStr = initStr + " " + angles[i];
}
initStr = initStr + ")";
long curEpisode = 0;
boolean shutdownOccurred = false;
do {
/*
* Client identification
*/
do {
mySocket.send(initStr);
inMsg = mySocket.receive(UDP_TIMEOUT);
} while (inMsg == null || inMsg.indexOf("***identified***") < 0);
/*
* Start to drive
*/
long currStep = 0;
while (true) {
/*
* Receives from TORCS the game state
*/
inMsg = mySocket.receive(UDP_TIMEOUT);
if (inMsg != null) {
/*
* Check if race is ended (shutdown)
*/
if (inMsg.indexOf("***shutdown***") >= 0) {
shutdownOccurred = true;
System.out.println("Server shutdown!");
break;
}
/*
* Check if race is restarted
*/
if (inMsg.indexOf("***restart***") >= 0) {
driver.reset();
if (verbose) System.out.println("Server restarting!");
break;
}
Action action = new Action();
if (currStep < maxSteps || maxSteps == 0)
action = driver.control(new MessageBasedSensorModel(inMsg));
else action.restartRace = true;
currStep++;
mySocket.send(action.toString());
} else System.out.println("Server did not respond within the timeout");
}
} while (++curEpisode < maxEpisodes && !shutdownOccurred);
/*
* Shutdown the controller
*/
driver.shutdown();
mySocket.close();
System.out.println("Client shutdown.");
System.out.println("Bye, bye!");
}
/** Restore the XSLTProcessor20 instance to its default state */
public void reset() {
controller.reset();
processor.deregisterEventHandlers();
}
