/** Keeps server running until there are no players for longer than the set timeout */
public void run() {
boolean keepRunning = true;
while (keepRunning) {
// check that game still has players
if (getNumberOfPlayers() < 1) {
Date initialTime = new Date();
while (getNumberOfPlayers() < 1) {
Date currentTime = new Date();
Long timeDiff = currentTime.getTime() - initialTime.getTime();
if (GAME_TIMEOUT < timeDiff) {
keepRunning = false;
}
}
} else {
boolean playersReady;
// check if players are ready for question
do {
playersReady = true;
try {
for (GameServerWorker player : players) {
if (!player.getReadyForQuestion()) {
playersReady = false;
}
}
} catch (ConcurrentModificationException e) {
playersReady = false;
}
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
} while (!playersReady);
handleNextQuestion();
}
}
// remove this game from the server
gameServer.removeGameInstance(portNumber);
}
/**
* Handles sending question to the multicast group and notifying them that all players are ready.
*/
public void handleNextQuestion() {
sendDataPacket("SENDPLAYERDATA");
// create datagram packet
sendDataPacket("QUESTION: " + getNewQuestion());
boolean allPlayersReady;
// check if all players received question
do {
allPlayersReady = true;
for (GameServerWorker player : players) {
if (!player.getReadyToAnswer()) {
allPlayersReady = false;
}
}
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
} while (!allPlayersReady);
sendDataPacket("ANSWERQUESTION");
}
