/**
* This method is used to display debugging messages with formatted output.
*
* @param msg the debug message to display
*/
public void debug(String msg) {
if (options.getBoolean("bc.server.debug")) {
for (String line : msg.split("\n")) {
System.out.printf("[server:debug] %s\n", line);
}
}
}
/**
* Initializes a new server.
*
* @param options the configuration to use
* @param mode the mode to run the server in
* @param proxies the proxies to send messages to
*/
public Server(Config options, Mode mode, Proxy... proxies) {
this.matches = new ArrayDeque<>();
this.finished = new ArrayDeque<>();
this.mode = mode;
this.proxyWriter = new ProxyWriter(proxies, options.getBoolean("bc.server.debug"));
this.options = options;
this.state = State.NOT_READY;
}
/**
* Runs a match; configures the controller and list of proxies, and starts running the game in a
* separate thread.
*/
private void runMatch(final Match match, final ProxyWriter proxyWriter) throws Exception {
if (Mode.HEADLESS.equals(mode) || Mode.SCRIMMAGE.equals(mode) || Mode.TOURNAMENT.equals(mode)) {
this.state = State.RUNNING;
this.runUntil = Integer.MAX_VALUE;
}
// Poll for RUNNING, if mode == Mode.LOCAL
while (!State.RUNNING.equals(state)) {
try {
Thread.sleep(250);
} catch (InterruptedException e) {
}
}
long startTime = System.currentTimeMillis();
say("-------------------- Match Starting --------------------");
say(match.toString());
// Compute the header and send it to all listeners.
MatchHeader header = match.getHeader();
proxyWriter.enqueue(header);
ExtensibleMetadata exHeader = match.getHeaderMetadata();
proxyWriter.enqueue(exHeader);
this.state = State.RUNNING;
int count = 0;
final String throttle = options.get("bc.server.throttle");
final int throttleCount = options.getInt("bc.server.throttle-count");
final boolean doYield = "yield".equals(throttle);
final boolean doSleep = "sleep".equals(throttle);
// If there are more rounds to be run, run them and
// and send the round (and optionally stats) bytes to
// recipients.
while (match.hasMoreRounds()) {
// If not paused/stopped:
switch (this.state) {
case RUNNING:
if (match.getRoundNumber() == runUntil) {
Thread.sleep(25);
break;
}
final RoundDelta round = match.getRound();
if (round == null) break;
if (GameState.BREAKPOINT.equals(match.getGameState())) {
this.state = State.PAUSED;
proxyWriter.enqueue(new PauseEvent());
} else if (GameState.DONE.equals(match.getGameState())) {
this.state = State.FINISHED;
}
proxyWriter.enqueue(round);
if (count++ == throttleCount) {
if (doYield) Thread.yield();
else if (doSleep) Thread.sleep(1);
count = 0;
}
break;
case PAUSED:
Thread.sleep(250);
break;
}
}
// Compute footer data.
GameStats gameStats = match.getGameStats();
MatchFooter footer = match.getFooter();
proxyWriter.enqueue(gameStats);
proxyWriter.enqueue(footer);
say(match.getWinnerString());
say("-------------------- Match Finished --------------------");
double timeDiff = (System.currentTimeMillis() - startTime) / 1000.0;
debug(String.format("match completed in %.4g seconds", timeDiff));
this.state = State.FINISHED;
}