private void buildPerceptions() {
playersToRemove.clear();
/** We reset the cache at Perceptions */
MessageS2CPerception.clearPrecomputedPerception();
for (PlayerEntry entry : playerContainer) {
try {
// Before creating the perception we check the player is still there.
if (entry.isTimeout()) {
logger.info("Request (TIMEOUT) disconnection of Player " + entry.getAddress());
playersToRemove.add(entry);
continue;
}
if (entry.state == ClientState.GAME_BEGIN) {
Perception perception = getPlayerPerception(entry);
sendPlayerPerception(entry, perception, entry.object);
}
} catch (Exception e) {
logger.error(
"Removing player("
+ entry.clientid
+ ") because it caused a Exception while contacting it",
e);
playersToRemove.add(entry);
}
}
for (PlayerEntry entry : playersToRemove) {
logger.warn("RP Disconnecting entry: " + entry);
netMan.disconnectClient(entry.channel);
}
}
/**
* Constructor
*
* @param netMan the NetworkServerManager so that we can send message
* @throws Exception in case of an unexpected error
*/
public RPServerManager(INetworkServerManager netMan) throws Exception {
super("RPServerManager");
try {
stats = Statistics.getStatistics();
keepRunning = true;
isfinished = false;
scheduler = new RPScheduler();
contentsToTransfer = new HashMap<RPObject, List<TransferContent>>();
playerContainer = PlayerEntryContainer.getContainer();
playersToRemove = new LinkedList<PlayerEntry>();
this.netMan = netMan;
Configuration conf = Configuration.getConfiguration();
/*
* This method loads the extensions that implement the game server
* code.
*/
initializeExtensions(conf);
String duration = conf.get("turn_length");
turnDuration = Long.parseLong(duration);
turn = 0;
} catch (Exception e) {
logger.warn("ABORT: Unable to create RPZone, RPRuleProcessor or RPAIManager instances", e);
throw e;
}
}
/**
* Takes the given RPObject as the new RPObject representing the user's character. Does nothing if
* the provided RPObject isn't the user's character object as determined by
* isCharacter(newCharacter) or the provided RPObject is the same as the current one.
*
* @param newCharacter the new RPObject representing the users character
*/
public void setCharacter(final RPObject newCharacter) {
if (isCharacter(newCharacter) && this.myCharacter != newCharacter) {
myCharacter = newCharacter;
name = newCharacter.get("name");
} else {
log.warn("Character not set because it's not our character.");
}
}
private void deliverTransferContent() {
synchronized (contentsToTransfer) {
for (Map.Entry<RPObject, List<TransferContent>> val : contentsToTransfer.entrySet()) {
RPObject target = val.getKey();
List<TransferContent> content = val.getValue();
PlayerEntry entry = playerContainer.get(target);
if (entry == null) {
logger.warn(
"Entry for player (" + target + ") does not exist: " + playerContainer,
new Throwable());
continue;
}
if (content == null) {
logger.warn("content is null");
}
if (!entry.contentToTransfer.isEmpty()) {
// prevent DoS if the client never confirms the Transfer offer
if (entry.contentToTransfer.size() > 30) {
synchronized (entry.contentToTransfer) {
for (int i = 0; i < 10; i++) {
entry.contentToTransfer.remove(0);
}
}
}
logger.warn(
"Adding to existing contentToTransfer for player "
+ entry.character
+ " old: "
+ entry.contentToTransfer
+ " added "
+ content);
}
entry.contentToTransfer.addAll(content);
MessageS2CTransferREQ mes = new MessageS2CTransferREQ(entry.channel, content);
mes.setClientID(entry.clientid);
mes.setProtocolVersion(entry.getProtocolVersion());
netMan.sendMessage(mes);
}
contentsToTransfer.clear();
}
}
/**
* This method disconnects a player from the server.
*
* @param object the player object that we want to disconnect from world
*/
public void disconnectPlayer(RPObject object) {
PlayerEntry entry = playerContainer.get(object);
if (entry == null) {
/*
* There is no player entry for such channel This is not necesaryly
* an error, as the connection could be anything else but an arianne
* client or we are just disconnecting a player that logout
* correctly.
*/
logger.warn("There is no PlayerEntry associated to this RPObject.");
return;
}
netMan.disconnectClient(entry.channel);
}
@Override
public void run() {
try {
long start = System.nanoTime();
long stop;
long delay;
long timeStart = 0;
long[] timeEnds = new long[12];
while (keepRunning) {
stop = System.nanoTime();
logger.debug("Turn time elapsed: " + ((stop - start) / 1000) + " microsecs");
delay = turnDuration - ((stop - start) / 1000000);
if (delay < 0) {
StringBuilder sb = new StringBuilder();
for (long timeEnd : timeEnds) {
sb.append(" " + (timeEnd - timeStart));
}
logger.warn("Turn duration overflow by " + (-delay) + " ms: " + sb.toString());
} else if (delay > turnDuration) {
logger.error(
"Delay bigger than Turn duration. [delay: "
+ delay
+ "] [turnDuration:"
+ turnDuration
+ "]");
delay = 0;
}
// only sleep when the turn delay is > 0
if (delay > 0) {
try {
Thread.sleep(delay);
} catch (InterruptedException e) {
// ignore
}
}
start = System.nanoTime();
timeStart = System.currentTimeMillis();
playerContainer.getLock().requestWriteLock();
try {
timeEnds[0] = System.currentTimeMillis();
/* Get actions that players send */
scheduler.nextTurn();
timeEnds[1] = System.currentTimeMillis();
/* Execute them all */
scheduler.visit(ruleProcessor);
timeEnds[2] = System.currentTimeMillis();
/* Compute game RP rules to move to the next turn */
ruleProcessor.endTurn();
timeEnds[3] = System.currentTimeMillis();
/* Send content that is waiting to players */
deliverTransferContent();
timeEnds[4] = System.currentTimeMillis();
/* Tell player what happened */
buildPerceptions();
timeEnds[5] = System.currentTimeMillis();
/* save players regularly to the db */
savePlayersPeriodicly();
timeEnds[6] = System.currentTimeMillis();
/* Move zone to the next turn */
world.nextTurn();
timeEnds[7] = System.currentTimeMillis();
turn++;
ruleProcessor.beginTurn();
timeEnds[8] = System.currentTimeMillis();
} finally {
playerContainer.getLock().releaseLock();
timeEnds[9] = System.currentTimeMillis();
}
try {
stats.set("Objects now", world.size());
} catch (ConcurrentModificationException e) {
// TODO: size is obviously not threadsafe as it asks the underlying zone.objects for its
// sizes, which are not threadsafe.
}
timeEnds[10] = System.currentTimeMillis();
TransactionPool.get().kickHangingTransactionsOfThisThread();
timeEnds[11] = System.currentTimeMillis();
}
} catch (Throwable e) {
logger.error("Unhandled exception, server will shut down.", e);
} finally {
isfinished = true;
}
}
