Fixed thread stop & metrics fix
The thread will be restarted automatically after an error
This commit is contained in:
parent
f2af77b9b7
commit
d7e4eafc4d
4 changed files with 822 additions and 23 deletions
6
pom.xml
6
pom.xml
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@ -135,12 +135,6 @@
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<artifactId>coreprotect</artifactId>
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<version>2.0.8</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.mcstats/metrics -->
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<dependency>
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<groupId>org.mcstats</groupId>
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<artifactId>metrics</artifactId>
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<version>R6</version>
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</dependency>
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</dependencies>
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<build>
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@ -10,14 +10,13 @@ import de.jaschastarke.bukkit.tools.stats.PiwikStatistics;
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import de.jaschastarke.modularize.IModule;
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import de.jaschastarke.modularize.ModuleEntry;
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import de.jaschastarke.modularize.ModuleEntry.ModuleState;
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import org.mcstats.Metrics;
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public class FeatureMetrics extends CoreModule<LimitedCreative> implements Listener {
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public FeatureMetrics(LimitedCreative plugin) {
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super(plugin);
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}
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private IStatistics metric;
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private Metrics mcstats = null;
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private MCStatsMetrics mcstats = null;
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@Override
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public void onEnable() {
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@ -25,12 +24,12 @@ public class FeatureMetrics extends CoreModule<LimitedCreative> implements Liste
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metric = new PiwikStatistics(plugin);
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if (mcstats == null) {
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try {
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mcstats = new Metrics(plugin);
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Metrics.Graph moduleGraph = mcstats.createGraph("Module Usage");
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mcstats = new MCStatsMetrics(plugin);
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MCStatsMetrics.Graph moduleGraph = mcstats.createGraph("Module Usage");
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for (final ModuleEntry<IModule> mod : plugin.getModules()) {
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if (mod.getModule() instanceof CoreModule<?>) {
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moduleGraph.addPlotter(new Metrics.Plotter(((CoreModule<?>) mod.getModule()).getName()) {
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moduleGraph.addPlotter(new MCStatsMetrics.Plotter(((CoreModule<?>) mod.getModule()).getName()) {
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@Override
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public int getValue() {
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return mod.getState() == ModuleState.ENABLED ? 1 : 0;
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@ -38,9 +37,9 @@ public class FeatureMetrics extends CoreModule<LimitedCreative> implements Liste
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});
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}
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}
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Metrics.Graph depGraph = mcstats.createGraph("Dependencies");
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MCStatsMetrics.Graph depGraph = mcstats.createGraph("Dependencies");
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for (final String dep : plugin.getDescription().getSoftDepend()) {
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depGraph.addPlotter(new Metrics.Plotter(dep) {
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depGraph.addPlotter(new MCStatsMetrics.Plotter(dep) {
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@Override
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public int getValue() {
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return plugin.getServer().getPluginManager().isPluginEnabled(dep) ? 1 : 0;
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@ -0,0 +1,784 @@
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/*
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* Copyright 2011-2013 Tyler Blair. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation are those of the
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* authors and contributors and should not be interpreted as representing official policies,
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* either expressed or implied, of anybody else.
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*/ //https://github.com/Hidendra/Plugin-Metrics/blob/42a4221e560afd25f430ad722c31cd6df641fe0d/mods/bukkit/metrics/src/main/java/org/mcstats/Metrics.java
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package de.jaschastarke.minecraft.limitedcreative;
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import org.bukkit.Bukkit;
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import org.bukkit.Server;
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import org.bukkit.configuration.InvalidConfigurationException;
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import org.bukkit.configuration.file.YamlConfiguration;
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import org.bukkit.entity.Player;
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import org.bukkit.plugin.Plugin;
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import org.bukkit.plugin.PluginDescriptionFile;
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import org.bukkit.scheduler.BukkitTask;
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import java.io.BufferedReader;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.io.UnsupportedEncodingException;
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import java.lang.reflect.Method;
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import java.net.Proxy;
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import java.net.URL;
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import java.net.URLConnection;
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import java.net.URLEncoder;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.LinkedHashSet;
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import java.util.Set;
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import java.util.UUID;
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import java.util.logging.Level;
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import java.util.zip.GZIPOutputStream;
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public class MCStatsMetrics {
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/**
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* The current revision number
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*/
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private final static int REVISION = 7;
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/**
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* The base url of the metrics domain
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*/
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private static final String BASE_URL = "http://report.mcstats.org";
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/**
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* The url used to report a server's status
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*/
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private static final String REPORT_URL = "/plugin/%s";
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/**
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* Interval of time to ping (in minutes)
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*/
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private static final int PING_INTERVAL = 15;
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/**
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* The plugin this metrics submits for
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*/
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private final Plugin plugin;
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/**
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* All of the custom graphs to submit to metrics
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*/
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private final Set<Graph> graphs = Collections.synchronizedSet(new HashSet<Graph>());
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/**
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* The plugin configuration file
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*/
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private final YamlConfiguration configuration;
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/**
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* The plugin configuration file
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*/
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private final File configurationFile;
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/**
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* Unique server id
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*/
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private final String guid;
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/**
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* Debug mode
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*/
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private final boolean debug;
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/**
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* Lock for synchronization
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*/
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private final Object optOutLock = new Object();
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/**
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* The scheduled task
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*/
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private volatile BukkitTask task = null;
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public MCStatsMetrics(final Plugin plugin) throws IOException {
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if (plugin == null) {
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throw new IllegalArgumentException("Plugin cannot be null");
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}
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this.plugin = plugin;
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// load the config
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configurationFile = getConfigFile();
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configuration = YamlConfiguration.loadConfiguration(configurationFile);
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// add some defaults
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configuration.addDefault("opt-out", false);
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configuration.addDefault("guid", UUID.randomUUID().toString());
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configuration.addDefault("debug", false);
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// Do we need to create the file?
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if (configuration.get("guid", null) == null) {
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configuration.options().header("http://mcstats.org").copyDefaults(true);
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configuration.save(configurationFile);
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}
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// Load the guid then
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guid = configuration.getString("guid");
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debug = configuration.getBoolean("debug", false);
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}
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/**
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* Construct and create a Graph that can be used to separate specific plotters to their own graphs on the metrics
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* website. Plotters can be added to the graph object returned.
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*
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* @param name The name of the graph
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* @return Graph object created. Will never return NULL under normal circumstances unless bad parameters are given
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*/
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public Graph createGraph(final String name) {
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if (name == null) {
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throw new IllegalArgumentException("Graph name cannot be null");
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}
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// Construct the graph object
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final Graph graph = new Graph(name);
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// Now we can add our graph
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graphs.add(graph);
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// and return back
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return graph;
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}
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/**
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* Add a Graph object to BukkitMetrics that represents data for the plugin that should be sent to the backend
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*
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* @param graph The name of the graph
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*/
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public void addGraph(final Graph graph) {
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if (graph == null) {
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throw new IllegalArgumentException("Graph cannot be null");
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}
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graphs.add(graph);
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}
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/**
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* Start measuring statistics. This will immediately create an async repeating task as the plugin and send the
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* initial data to the metrics backend, and then after that it will post in increments of PING_INTERVAL * 1200
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* ticks.
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*
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* @return True if statistics measuring is running, otherwise false.
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*/
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public boolean start() {
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synchronized (optOutLock) {
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// Did we opt out?
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if (isOptOut()) {
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return false;
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}
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// Is metrics already running?
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if (task != null) {
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return true;
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}
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// Begin hitting the server with glorious data
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task = plugin.getServer().getScheduler().runTaskTimerAsynchronously(plugin, new Runnable() {
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private boolean firstPost = true;
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public void run() {
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try {
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// This has to be synchronized or it can collide with the disable method.
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synchronized (optOutLock) {
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// Disable Task, if it is running and the server owner decided to opt-out
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if (isOptOut() && task != null) {
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task.cancel();
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task = null;
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// Tell all plotters to stop gathering information.
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for (Graph graph : graphs) {
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graph.onOptOut();
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}
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}
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}
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// We use the inverse of firstPost because if it is the first time we are posting,
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// it is not a interval ping, so it evaluates to FALSE
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// Each time thereafter it will evaluate to TRUE, i.e PING!
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postPlugin(!firstPost);
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// After the first post we set firstPost to false
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// Each post thereafter will be a ping
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firstPost = false;
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} catch (IOException e) {
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if (debug) {
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Bukkit.getLogger().log(Level.INFO, "[Metrics] " + e.getMessage());
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}
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}
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}
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}, 0, PING_INTERVAL * 1200);
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return true;
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}
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}
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/**
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* Has the server owner denied plugin metrics?
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*
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* @return true if metrics should be opted out of it
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*/
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public boolean isOptOut() {
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synchronized (optOutLock) {
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try {
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// Reload the metrics file
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configuration.load(getConfigFile());
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} catch (IOException ex) {
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if (debug) {
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Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
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}
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return true;
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} catch (InvalidConfigurationException ex) {
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if (debug) {
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Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
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}
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return true;
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}
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return configuration.getBoolean("opt-out", false);
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}
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}
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/**
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* Enables metrics for the server by setting "opt-out" to false in the config file and starting the metrics task.
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*
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* @throws java.io.IOException
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*/
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public void enable() throws IOException {
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// This has to be synchronized or it can collide with the check in the task.
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synchronized (optOutLock) {
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// Check if the server owner has already set opt-out, if not, set it.
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if (isOptOut()) {
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configuration.set("opt-out", false);
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configuration.save(configurationFile);
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}
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// Enable Task, if it is not running
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if (task == null) {
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start();
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}
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}
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}
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/**
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* Disables metrics for the server by setting "opt-out" to true in the config file and canceling the metrics task.
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*
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* @throws java.io.IOException
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*/
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public void disable() throws IOException {
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// This has to be synchronized or it can collide with the check in the task.
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synchronized (optOutLock) {
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// Check if the server owner has already set opt-out, if not, set it.
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if (!isOptOut()) {
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configuration.set("opt-out", true);
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configuration.save(configurationFile);
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}
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// Disable Task, if it is running
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if (task != null) {
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task.cancel();
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task = null;
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}
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}
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}
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/**
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* Gets the File object of the config file that should be used to store data such as the GUID and opt-out status
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*
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* @return the File object for the config file
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*/
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public File getConfigFile() {
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// I believe the easiest way to get the base folder (e.g craftbukkit set via -P) for plugins to use
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// is to abuse the plugin object we already have
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// plugin.getDataFolder() => base/plugins/PluginA/
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// pluginsFolder => base/plugins/
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// The base is not necessarily relative to the startup directory.
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File pluginsFolder = plugin.getDataFolder().getParentFile();
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// return => base/plugins/PluginMetrics/config.yml
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return new File(new File(pluginsFolder, "PluginMetrics"), "config.yml");
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}
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/**
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* Gets the online player (backwards compatibility)
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*
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* @return online player amount
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*/
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private int getOnlinePlayers() {
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try {
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Method onlinePlayerMethod = Server.class.getMethod("getOnlinePlayers");
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if(onlinePlayerMethod.getReturnType().equals(Collection.class)) {
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return ((Collection<?>)onlinePlayerMethod.invoke(Bukkit.getServer())).size();
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} else {
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return ((Player[])onlinePlayerMethod.invoke(Bukkit.getServer())).length;
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}
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} catch (Exception ex) {
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if (debug) {
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Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
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}
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}
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return 0;
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}
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/**
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* Generic method that posts a plugin to the metrics website
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*/
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private void postPlugin(final boolean isPing) throws IOException {
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// Server software specific section
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PluginDescriptionFile description = plugin.getDescription();
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String pluginName = description.getName();
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boolean onlineMode = Bukkit.getServer().getOnlineMode(); // TRUE if online mode is enabled
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String pluginVersion = description.getVersion();
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String serverVersion = Bukkit.getVersion();
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int playersOnline = this.getOnlinePlayers();
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// END server software specific section -- all code below does not use any code outside of this class / Java
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// Construct the post data
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StringBuilder json = new StringBuilder(1024);
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json.append('{');
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// The plugin's description file containg all of the plugin data such as name, version, author, etc
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appendJSONPair(json, "guid", guid);
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appendJSONPair(json, "plugin_version", pluginVersion);
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appendJSONPair(json, "server_version", serverVersion);
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appendJSONPair(json, "players_online", Integer.toString(playersOnline));
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// New data as of R6
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String osname = System.getProperty("os.name");
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String osarch = System.getProperty("os.arch");
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String osversion = System.getProperty("os.version");
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String java_version = System.getProperty("java.version");
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int coreCount = Runtime.getRuntime().availableProcessors();
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// normalize os arch .. amd64 -> x86_64
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if (osarch.equals("amd64")) {
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osarch = "x86_64";
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}
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appendJSONPair(json, "osname", osname);
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appendJSONPair(json, "osarch", osarch);
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appendJSONPair(json, "osversion", osversion);
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appendJSONPair(json, "cores", Integer.toString(coreCount));
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appendJSONPair(json, "auth_mode", onlineMode ? "1" : "0");
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appendJSONPair(json, "java_version", java_version);
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// If we're pinging, append it
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if (isPing) {
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appendJSONPair(json, "ping", "1");
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}
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if (graphs.size() > 0) {
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synchronized (graphs) {
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json.append(',');
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json.append('"');
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json.append("graphs");
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json.append('"');
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json.append(':');
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json.append('{');
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boolean firstGraph = true;
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final Iterator<Graph> iter = graphs.iterator();
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while (iter.hasNext()) {
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Graph graph = iter.next();
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StringBuilder graphJson = new StringBuilder();
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graphJson.append('{');
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for (Plotter plotter : graph.getPlotters()) {
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appendJSONPair(graphJson, plotter.getColumnName(), Integer.toString(plotter.getValue()));
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}
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graphJson.append('}');
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if (!firstGraph) {
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json.append(',');
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}
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json.append(escapeJSON(graph.getName()));
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json.append(':');
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json.append(graphJson);
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firstGraph = false;
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}
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json.append('}');
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}
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}
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// close json
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json.append('}');
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// Create the url
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URL url = new URL(BASE_URL + String.format(REPORT_URL, urlEncode(pluginName)));
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||||
// Connect to the website
|
||||
URLConnection connection;
|
||||
|
||||
// Mineshafter creates a socks proxy, so we can safely bypass it
|
||||
// It does not reroute POST requests so we need to go around it
|
||||
if (isMineshafterPresent()) {
|
||||
connection = url.openConnection(Proxy.NO_PROXY);
|
||||
} else {
|
||||
connection = url.openConnection();
|
||||
}
|
||||
|
||||
|
||||
byte[] uncompressed = json.toString().getBytes();
|
||||
byte[] compressed = gzip(json.toString());
|
||||
|
||||
// Headers
|
||||
connection.addRequestProperty("User-Agent", "MCStats/" + REVISION);
|
||||
connection.addRequestProperty("Content-Type", "application/json");
|
||||
connection.addRequestProperty("Content-Encoding", "gzip");
|
||||
connection.addRequestProperty("Content-Length", Integer.toString(compressed.length));
|
||||
connection.addRequestProperty("Accept", "application/json");
|
||||
connection.addRequestProperty("Connection", "close");
|
||||
|
||||
connection.setDoOutput(true);
|
||||
|
||||
if (debug) {
|
||||
System.out.println("[Metrics] Prepared request for " + pluginName + " uncompressed=" + uncompressed.length + " compressed=" + compressed.length);
|
||||
}
|
||||
|
||||
// Write the data
|
||||
OutputStream os = connection.getOutputStream();
|
||||
os.write(compressed);
|
||||
os.flush();
|
||||
|
||||
// Now read the response
|
||||
final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
|
||||
String response = reader.readLine();
|
||||
|
||||
// close resources
|
||||
os.close();
|
||||
reader.close();
|
||||
|
||||
if (response == null || response.startsWith("ERR") || response.startsWith("7")) {
|
||||
if (response == null) {
|
||||
response = "null";
|
||||
} else if (response.startsWith("7")) {
|
||||
response = response.substring(response.startsWith("7,") ? 2 : 1);
|
||||
}
|
||||
|
||||
throw new IOException(response);
|
||||
} else {
|
||||
// Is this the first update this hour?
|
||||
if (response.equals("1") || response.contains("This is your first update this hour")) {
|
||||
synchronized (graphs) {
|
||||
final Iterator<Graph> iter = graphs.iterator();
|
||||
|
||||
while (iter.hasNext()) {
|
||||
final Graph graph = iter.next();
|
||||
|
||||
for (Plotter plotter : graph.getPlotters()) {
|
||||
plotter.reset();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* GZip compress a string of bytes
|
||||
*
|
||||
* @param input
|
||||
* @return
|
||||
*/
|
||||
public static byte[] gzip(String input) {
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
GZIPOutputStream gzos = null;
|
||||
|
||||
try {
|
||||
gzos = new GZIPOutputStream(baos);
|
||||
gzos.write(input.getBytes("UTF-8"));
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
} finally {
|
||||
if (gzos != null) try {
|
||||
gzos.close();
|
||||
} catch (IOException ignore) {
|
||||
}
|
||||
}
|
||||
|
||||
return baos.toByteArray();
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if mineshafter is present. If it is, we need to bypass it to send POST requests
|
||||
*
|
||||
* @return true if mineshafter is installed on the server
|
||||
*/
|
||||
private boolean isMineshafterPresent() {
|
||||
try {
|
||||
Class.forName("mineshafter.MineServer");
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Appends a json encoded key/value pair to the given string builder.
|
||||
*
|
||||
* @param json
|
||||
* @param key
|
||||
* @param value
|
||||
* @throws UnsupportedEncodingException
|
||||
*/
|
||||
private static void appendJSONPair(StringBuilder json, String key, String value) throws UnsupportedEncodingException {
|
||||
boolean isValueNumeric = false;
|
||||
|
||||
try {
|
||||
if (value.equals("0") || !value.endsWith("0")) {
|
||||
Double.parseDouble(value);
|
||||
isValueNumeric = true;
|
||||
}
|
||||
} catch (NumberFormatException e) {
|
||||
isValueNumeric = false;
|
||||
}
|
||||
|
||||
if (json.charAt(json.length() - 1) != '{') {
|
||||
json.append(',');
|
||||
}
|
||||
|
||||
json.append(escapeJSON(key));
|
||||
json.append(':');
|
||||
|
||||
if (isValueNumeric) {
|
||||
json.append(value);
|
||||
} else {
|
||||
json.append(escapeJSON(value));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Escape a string to create a valid JSON string
|
||||
*
|
||||
* @param text
|
||||
* @return
|
||||
*/
|
||||
private static String escapeJSON(String text) {
|
||||
StringBuilder builder = new StringBuilder();
|
||||
|
||||
builder.append('"');
|
||||
for (int index = 0; index < text.length(); index++) {
|
||||
char chr = text.charAt(index);
|
||||
|
||||
switch (chr) {
|
||||
case '"':
|
||||
case '\\':
|
||||
builder.append('\\');
|
||||
builder.append(chr);
|
||||
break;
|
||||
case '\b':
|
||||
builder.append("\\b");
|
||||
break;
|
||||
case '\t':
|
||||
builder.append("\\t");
|
||||
break;
|
||||
case '\n':
|
||||
builder.append("\\n");
|
||||
break;
|
||||
case '\r':
|
||||
builder.append("\\r");
|
||||
break;
|
||||
default:
|
||||
if (chr < ' ') {
|
||||
String t = "000" + Integer.toHexString(chr);
|
||||
builder.append("\\u" + t.substring(t.length() - 4));
|
||||
} else {
|
||||
builder.append(chr);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
builder.append('"');
|
||||
|
||||
return builder.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* Encode text as UTF-8
|
||||
*
|
||||
* @param text the text to encode
|
||||
* @return the encoded text, as UTF-8
|
||||
*/
|
||||
private static String urlEncode(final String text) throws UnsupportedEncodingException {
|
||||
return URLEncoder.encode(text, "UTF-8");
|
||||
}
|
||||
|
||||
/**
|
||||
* Represents a custom graph on the website
|
||||
*/
|
||||
public static class Graph {
|
||||
|
||||
/**
|
||||
* The graph's name, alphanumeric and spaces only :) If it does not comply to the above when submitted, it is
|
||||
* rejected
|
||||
*/
|
||||
private final String name;
|
||||
|
||||
/**
|
||||
* The set of plotters that are contained within this graph
|
||||
*/
|
||||
private final Set<Plotter> plotters = new LinkedHashSet<Plotter>();
|
||||
|
||||
private Graph(final String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the graph's name
|
||||
*
|
||||
* @return the Graph's name
|
||||
*/
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a plotter to the graph, which will be used to plot entries
|
||||
*
|
||||
* @param plotter the plotter to add to the graph
|
||||
*/
|
||||
public void addPlotter(final Plotter plotter) {
|
||||
plotters.add(plotter);
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove a plotter from the graph
|
||||
*
|
||||
* @param plotter the plotter to remove from the graph
|
||||
*/
|
||||
public void removePlotter(final Plotter plotter) {
|
||||
plotters.remove(plotter);
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets an <b>unmodifiable</b> set of the plotter objects in the graph
|
||||
*
|
||||
* @return an unmodifiable {@link java.util.Set} of the plotter objects
|
||||
*/
|
||||
public Set<Plotter> getPlotters() {
|
||||
return Collections.unmodifiableSet(plotters);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return name.hashCode();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(final Object object) {
|
||||
if (!(object instanceof Graph)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
final Graph graph = (Graph) object;
|
||||
return graph.name.equals(name);
|
||||
}
|
||||
|
||||
/**
|
||||
* Called when the server owner decides to opt-out of BukkitMetrics while the server is running.
|
||||
*/
|
||||
protected void onOptOut() {
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Interface used to collect custom data for a plugin
|
||||
*/
|
||||
public static abstract class Plotter {
|
||||
|
||||
/**
|
||||
* The plot's name
|
||||
*/
|
||||
private final String name;
|
||||
|
||||
/**
|
||||
* Construct a plotter with the default plot name
|
||||
*/
|
||||
public Plotter() {
|
||||
this("Default");
|
||||
}
|
||||
|
||||
/**
|
||||
* Construct a plotter with a specific plot name
|
||||
*
|
||||
* @param name the name of the plotter to use, which will show up on the website
|
||||
*/
|
||||
public Plotter(final String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the current value for the plotted point. Since this function defers to an external function it may or may
|
||||
* not return immediately thus cannot be guaranteed to be thread friendly or safe. This function can be called
|
||||
* from any thread so care should be taken when accessing resources that need to be synchronized.
|
||||
*
|
||||
* @return the current value for the point to be plotted.
|
||||
*/
|
||||
public abstract int getValue();
|
||||
|
||||
/**
|
||||
* Get the column name for the plotted point
|
||||
*
|
||||
* @return the plotted point's column name
|
||||
*/
|
||||
public String getColumnName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
/**
|
||||
* Called after the website graphs have been updated
|
||||
*/
|
||||
public void reset() {
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return getColumnName().hashCode();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(final Object object) {
|
||||
if (!(object instanceof Plotter)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
final Plotter plotter = (Plotter) object;
|
||||
return plotter.name.equals(name) && plotter.getValue() == getValue();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -39,15 +39,7 @@ public class ThreadLink {
|
|||
/*
|
||||
* In theory we could add multiple threads, e.g. 1 write and 2 read threads.
|
||||
*/
|
||||
thread = new DBThread(queries);
|
||||
thread.setName("LC BlockState DB-Thread");
|
||||
thread.setUncaughtExceptionHandler(new UncaughtExceptionHandler() {
|
||||
@Override
|
||||
public void uncaughtException(Thread thread, Throwable e) {
|
||||
e.printStackTrace();
|
||||
log.severe("Thread " + thread.getName() + " encoutered an uncaught Exception: " + e.getMessage());
|
||||
}
|
||||
});
|
||||
createThread(queries);
|
||||
}
|
||||
|
||||
private class DBThread extends Thread {
|
||||
|
|
@ -62,6 +54,8 @@ public class ThreadLink {
|
|||
lastTimeout = System.currentTimeMillis() + STARTUP_TIMING;
|
||||
while (!shutdown || !updateQueue.isEmpty()) {
|
||||
try {
|
||||
//Thread.sleep(1000);
|
||||
//throw new RuntimeException("Test exception pls ignore");
|
||||
List<Action> acts = new LinkedList<Action>();
|
||||
synchronized (updateQueue) {
|
||||
while (updateQueue.isEmpty() && !shutdown)
|
||||
|
|
@ -120,6 +114,7 @@ public class ThreadLink {
|
|||
|
||||
|
||||
public void queueUpdate(Block block) {
|
||||
restartThreadIfNeeded();
|
||||
long l = System.currentTimeMillis();
|
||||
synchronized (updateQueue) {
|
||||
updateQueue.add(new UpdateBlockStateAction(block));
|
||||
|
|
@ -132,6 +127,7 @@ public class ThreadLink {
|
|||
}
|
||||
|
||||
public BlockState callUpdate(Block block) {
|
||||
restartThreadIfNeeded();
|
||||
FetchBlockStateAction action = new FetchBlockStateAction(block);
|
||||
synchronized (updateQueue) {
|
||||
updateQueue.push(action);
|
||||
|
|
@ -141,12 +137,14 @@ public class ThreadLink {
|
|||
}
|
||||
|
||||
public void queue(Action act) {
|
||||
restartThreadIfNeeded();
|
||||
synchronized (updateQueue) {
|
||||
updateQueue.add(act);
|
||||
updateQueue.notify();
|
||||
}
|
||||
}
|
||||
public <T> T call(CallableAction<T> act) {
|
||||
restartThreadIfNeeded();
|
||||
synchronized (updateQueue) {
|
||||
updateQueue.push(act);
|
||||
updateQueue.notify();
|
||||
|
|
@ -164,6 +162,7 @@ public class ThreadLink {
|
|||
}
|
||||
|
||||
public void queueMetaMove(Location from, Location to) {
|
||||
restartThreadIfNeeded();
|
||||
synchronized (updateQueue) {
|
||||
updateQueue.add(new MoveBlockStateAction(from, to));
|
||||
updateQueue.notify();
|
||||
|
|
@ -171,6 +170,7 @@ public class ThreadLink {
|
|||
}
|
||||
|
||||
public void queueChunkLoad(Chunk chunk) {
|
||||
restartThreadIfNeeded();
|
||||
synchronized (updateQueue) {
|
||||
updateQueue.add(new CacheChunkAction(chunk));
|
||||
updateQueue.notify();
|
||||
|
|
@ -178,6 +178,7 @@ public class ThreadLink {
|
|||
}
|
||||
|
||||
public void queueTransaction(Transaction transaction) {
|
||||
restartThreadIfNeeded();
|
||||
synchronized (updateQueue) {
|
||||
updateQueue.add(transaction);
|
||||
updateQueue.notify();
|
||||
|
|
@ -185,6 +186,7 @@ public class ThreadLink {
|
|||
}
|
||||
|
||||
public void shutdown() throws InterruptedException {
|
||||
restartThreadIfNeeded();
|
||||
synchronized (updateQueue) {
|
||||
shutdown = true;
|
||||
updateQueue.notify();
|
||||
|
|
@ -209,4 +211,24 @@ public class ThreadLink {
|
|||
public ModuleLogger getLog() {
|
||||
return log;
|
||||
}
|
||||
|
||||
private void restartThreadIfNeeded() {
|
||||
if(thread.isAlive())
|
||||
return;
|
||||
log.warn("Thread is dead, restarting!");
|
||||
createThread(((DBThread) thread).q);
|
||||
start();
|
||||
}
|
||||
|
||||
private void createThread(DBQueries queries) {
|
||||
thread = new DBThread(queries);
|
||||
thread.setName("LC BlockState DB-Thread");
|
||||
thread.setUncaughtExceptionHandler(new UncaughtExceptionHandler() {
|
||||
@Override
|
||||
public void uncaughtException(Thread thread, Throwable e) {
|
||||
e.printStackTrace();
|
||||
log.severe("Thread " + thread.getName() + " encoutered an uncaught Exception: " + e.getMessage());
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue