208 lines
7.6 KiB
Java
208 lines
7.6 KiB
Java
/*
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* ProtocolLib - Bukkit server library that allows access to the Minecraft protocol.
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* Copyright (C) 2012 Kristian S. Stangeland
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with this program;
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* if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*/
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package com.comphenix.protocol.injector;
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import java.util.Collection;
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import com.comphenix.protocol.concurrency.AbstractConcurrentListenerMultimap;
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import com.comphenix.protocol.error.ErrorReporter;
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import com.comphenix.protocol.events.ListenerPriority;
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import com.comphenix.protocol.events.PacketEvent;
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import com.comphenix.protocol.events.PacketListener;
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import com.comphenix.protocol.timing.TimedListenerManager;
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import com.comphenix.protocol.timing.TimedListenerManager.ListenerType;
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import com.comphenix.protocol.timing.TimedTracker;
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/**
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* Registry of synchronous packet listeners.
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*
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* @author Kristian
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*/
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public final class SortedPacketListenerList extends AbstractConcurrentListenerMultimap<PacketListener> {
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// The current listener manager
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private TimedListenerManager timedManager = TimedListenerManager.getInstance();
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public SortedPacketListenerList() {
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super();
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}
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/**
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* Invokes the given packet event for every registered listener.
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* @param reporter - the error reporter that will be used to inform about listener exceptions.
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* @param event - the packet event to invoke.
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*/
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public void invokePacketRecieving(ErrorReporter reporter, PacketEvent event) {
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Collection<PrioritizedListener<PacketListener>> list = getListener(event.getPacketType());
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if (list == null)
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return;
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// The returned list is thread-safe
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if (timedManager.isTiming()) {
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for (PrioritizedListener<PacketListener> element : list) {
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TimedTracker tracker = timedManager.getTracker(element.getListener(), ListenerType.SYNC_CLIENT_SIDE);
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long token = tracker.beginTracking();
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// Measure and record the execution time
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invokeReceivingListener(reporter, event, element);
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tracker.endTracking(token, event.getPacketType());
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}
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} else {
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for (PrioritizedListener<PacketListener> element : list) {
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invokeReceivingListener(reporter, event, element);
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}
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}
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}
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/**
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* Invokes the given packet event for every registered listener of the given priority.
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* @param reporter - the error reporter that will be used to inform about listener exceptions.
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* @param event - the packet event to invoke.
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* @param priorityFilter - the required priority for a listener to be invoked.
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*/
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public void invokePacketRecieving(ErrorReporter reporter, PacketEvent event, ListenerPriority priorityFilter) {
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Collection<PrioritizedListener<PacketListener>> list = getListener(event.getPacketType());
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if (list == null)
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return;
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// The returned list is thread-safe
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if (timedManager.isTiming()) {
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for (PrioritizedListener<PacketListener> element : list) {
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if (element.getPriority() == priorityFilter) {
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TimedTracker tracker = timedManager.getTracker(element.getListener(), ListenerType.SYNC_CLIENT_SIDE);
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long token = tracker.beginTracking();
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// Measure and record the execution time
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invokeReceivingListener(reporter, event, element);
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tracker.endTracking(token, event.getPacketType());
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}
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}
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} else {
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for (PrioritizedListener<PacketListener> element : list) {
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if (element.getPriority() == priorityFilter) {
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invokeReceivingListener(reporter, event, element);
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}
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}
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}
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}
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/**
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* Invoke a particular receiving listener.
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* @param reporter - the error reporter.
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* @param event - the related packet event.
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* @param element - the listener to invoke.
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*/
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private final void invokeReceivingListener(ErrorReporter reporter, PacketEvent event, PrioritizedListener<PacketListener> element) {
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try {
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event.setReadOnly(element.getPriority() == ListenerPriority.MONITOR);
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element.getListener().onPacketReceiving(event);
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} catch (OutOfMemoryError e) {
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throw e;
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} catch (ThreadDeath e) {
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throw e;
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} catch (Throwable e) {
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// Minecraft doesn't want your Exception.
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reporter.reportMinimal(element.getListener().getPlugin(), "onPacketReceiving(PacketEvent)", e,
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event.getPacket().getHandle());
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}
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}
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/**
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* Invokes the given packet event for every registered listener.
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* @param reporter - the error reporter that will be used to inform about listener exceptions.
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* @param event - the packet event to invoke.
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*/
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public void invokePacketSending(ErrorReporter reporter, PacketEvent event) {
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Collection<PrioritizedListener<PacketListener>> list = getListener(event.getPacketType());
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if (list == null)
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return;
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if (timedManager.isTiming()) {
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for (PrioritizedListener<PacketListener> element : list) {
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TimedTracker tracker = timedManager.getTracker(element.getListener(), ListenerType.SYNC_SERVER_SIDE);
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long token = tracker.beginTracking();
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// Measure and record the execution time
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invokeSendingListener(reporter, event, element);
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tracker.endTracking(token, event.getPacketType());
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}
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} else {
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for (PrioritizedListener<PacketListener> element : list) {
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invokeSendingListener(reporter, event, element);
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}
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}
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}
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/**
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* Invokes the given packet event for every registered listener of the given priority.
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* @param reporter - the error reporter that will be used to inform about listener exceptions.
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* @param event - the packet event to invoke.
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* @param priorityFilter - the required priority for a listener to be invoked.
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*/
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public void invokePacketSending(ErrorReporter reporter, PacketEvent event, ListenerPriority priorityFilter) {
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Collection<PrioritizedListener<PacketListener>> list = getListener(event.getPacketType());
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if (list == null)
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return;
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if (timedManager.isTiming()) {
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for (PrioritizedListener<PacketListener> element : list) {
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if (element.getPriority() == priorityFilter) {
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TimedTracker tracker = timedManager.getTracker(element.getListener(), ListenerType.SYNC_SERVER_SIDE);
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long token = tracker.beginTracking();
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// Measure and record the execution time
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invokeSendingListener(reporter, event, element);
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tracker.endTracking(token, event.getPacketType());
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}
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}
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} else {
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for (PrioritizedListener<PacketListener> element : list) {
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if (element.getPriority() == priorityFilter) {
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invokeSendingListener(reporter, event, element);
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}
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}
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}
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}
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/**
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* Invoke a particular sending listener.
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* @param reporter - the error reporter.
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* @param event - the related packet event.
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* @param element - the listener to invoke.
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*/
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private final void invokeSendingListener(ErrorReporter reporter, PacketEvent event, PrioritizedListener<PacketListener> element) {
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try {
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event.setReadOnly(element.getPriority() == ListenerPriority.MONITOR);
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element.getListener().onPacketSending(event);
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} catch (OutOfMemoryError e) {
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throw e;
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} catch (ThreadDeath e) {
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throw e;
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} catch (Throwable e) {
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// Minecraft doesn't want your Exception.
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reporter.reportMinimal(element.getListener().getPlugin(), "onPacketSending(PacketEvent)", e,
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event.getPacket().getHandle());
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}
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}
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}
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