692 lines
24 KiB
Diff
692 lines
24 KiB
Diff
From d62890e8db1a0dad0810da3319aa6f13f11b8880 Mon Sep 17 00:00:00 2001
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From: md_5 <md_5@live.com.au>
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Date: Sat, 23 Feb 2013 08:58:35 +1100
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Subject: [PATCH] Metrics
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diff --git a/src/main/java/org/spigotmc/Metrics.java b/src/main/java/org/spigotmc/Metrics.java
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new file mode 100644
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index 0000000..a5fd59d
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--- /dev/null
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+++ b/src/main/java/org/spigotmc/Metrics.java
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@@ -0,0 +1,645 @@
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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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+ */
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+package org.spigotmc;
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+
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+import org.bukkit.Bukkit;
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+import org.bukkit.configuration.file.YamlConfiguration;
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+import org.bukkit.configuration.InvalidConfigurationException;
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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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+
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+import java.io.BufferedReader;
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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.OutputStreamWriter;
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+import java.io.UnsupportedEncodingException;
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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.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.Timer;
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+import java.util.TimerTask;
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+import java.util.UUID;
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+import java.util.concurrent.TimeUnit;
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+import java.util.logging.Level;
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+import net.minecraft.server.MinecraftServer;
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+
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+/**
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+ * <p> The metrics class obtains data about a plugin and submits statistics about it to the metrics backend. </p> <p>
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+ * Public methods provided by this class: </p>
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+ * <code>
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+ * Graph createGraph(String name); <br/>
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+ * void addCustomData(BukkitMetrics.Plotter plotter); <br/>
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+ * void start(); <br/>
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+ * </code>
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+ */
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+public class Metrics {
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+
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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 = 6;
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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://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 = "/report/%s";
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+ /**
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+ * The separator to use for custom data. This MUST NOT change unless you are hosting your own version of metrics and
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+ * want to change it.
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+ */
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+ private static final String CUSTOM_DATA_SEPARATOR = "~~";
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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 = 10;
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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 default graph, used for addCustomData when you don't want a specific graph
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+ */
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+ private final Graph defaultGraph = new Graph("Default");
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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 Timer task = null;
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+
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+ public Metrics() throws IOException {
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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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+
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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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+
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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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+
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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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+ /**
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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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+
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+ // Construct the graph object
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+ final Graph graph = new Graph(name);
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+
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+ // Now we can add our graph
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+ graphs.add(graph);
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+
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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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+ /**
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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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+
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+ graphs.add(graph);
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+ }
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+
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+ /**
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+ * Adds a custom data plotter to the default graph
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+ *
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+ * @param plotter The plotter to use to plot custom data
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+ */
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+ public void addCustomData(final Plotter plotter) {
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+ if (plotter == null) {
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+ throw new IllegalArgumentException("Plotter cannot be null");
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+ }
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+
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+ // Add the plotter to the graph o/
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+ defaultGraph.addPlotter(plotter);
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+
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+ // Ensure the default graph is included in the submitted graphs
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+ graphs.add(defaultGraph);
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+ }
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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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+
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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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+
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+ // Begin hitting the server with glorious data
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+ task = new Timer("Spigot Metrics Thread", true);
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+
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+ task.scheduleAtFixedRate(new TimerTask() {
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+ private boolean firstPost = true;
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+
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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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+
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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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+
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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, TimeUnit.MINUTES.toMillis(PING_INTERVAL));
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+
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+ return true;
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+ }
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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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+ /**
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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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+
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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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+ /**
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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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+
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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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+ /**
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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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+
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+ // return => base/plugins/PluginMetrics/config.yml
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+ return new File(new File((File) MinecraftServer.getServer().options.valueOf("plugins"), "PluginMetrics"), "config.yml");
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+ }
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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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+ String pluginName = "Spigot";
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+ boolean onlineMode = Bukkit.getServer().getOnlineMode(); // TRUE if online mode is enabled
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+ String pluginVersion = (Metrics.class.getPackage().getImplementationVersion() != null) ? Metrics.class.getPackage().getImplementationVersion() : "unknown";
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+ String serverVersion = Bukkit.getVersion();
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+ int playersOnline = Bukkit.getServer().getOnlinePlayers().size();
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+
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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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+
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+ // Construct the post data
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+ final StringBuilder data = new StringBuilder();
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+
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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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+ data.append(encode("guid")).append('=').append(encode(guid));
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+ encodeDataPair(data, "version", pluginVersion);
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+ encodeDataPair(data, "server", serverVersion);
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+ encodeDataPair(data, "players", Integer.toString(playersOnline));
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+ encodeDataPair(data, "revision", String.valueOf(REVISION));
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+
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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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+
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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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+
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+ encodeDataPair(data, "osname", osname);
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+ encodeDataPair(data, "osarch", osarch);
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+ encodeDataPair(data, "osversion", osversion);
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+ encodeDataPair(data, "cores", Integer.toString(coreCount));
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+ encodeDataPair(data, "online-mode", Boolean.toString(onlineMode));
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+ encodeDataPair(data, "java_version", java_version);
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+
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+ // If we're pinging, append it
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+ if (isPing) {
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+ encodeDataPair(data, "ping", "true");
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+ }
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+
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+ // Acquire a lock on the graphs, which lets us make the assumption we also lock everything
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+ // inside of the graph (e.g plotters)
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+ synchronized (graphs) {
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+ final Iterator<Graph> iter = graphs.iterator();
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+
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+ while (iter.hasNext()) {
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+ final Graph graph = iter.next();
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+
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+ for (Plotter plotter : graph.getPlotters()) {
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+ // The key name to send to the metrics server
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+ // The format is C-GRAPHNAME-PLOTTERNAME where separator - is defined at the top
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+ // Legacy (R4) submitters use the format Custom%s, or CustomPLOTTERNAME
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+ final String key = String.format("C%s%s%s%s", CUSTOM_DATA_SEPARATOR, graph.getName(), CUSTOM_DATA_SEPARATOR, plotter.getColumnName());
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+
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+ // The value to send, which for the foreseeable future is just the string
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+ // value of plotter.getValue()
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+ final String value = Integer.toString(plotter.getValue());
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+
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+ // Add it to the http post data :)
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+ encodeDataPair(data, key, value);
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+ }
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+ }
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+ }
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+
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+ // Create the url
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+ URL url = new URL(BASE_URL + String.format(REPORT_URL, encode(pluginName)));
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+
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+ // Connect to the website
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+ URLConnection connection;
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+
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+ // Mineshafter creates a socks proxy, so we can safely bypass it
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+ // It does not reroute POST requests so we need to go around it
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+ if (isMineshafterPresent()) {
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+ connection = url.openConnection(Proxy.NO_PROXY);
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+ } else {
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+ connection = url.openConnection();
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+ }
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+
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+ connection.setDoOutput(true);
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+
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+ // Write the data
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+ final OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
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+ writer.write(data.toString());
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+ writer.flush();
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+
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+ // Now read the response
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+ final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
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+ final String response = reader.readLine();
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+
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+ // close resources
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+ writer.close();
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+ reader.close();
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+
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+ if (response == null || response.startsWith("ERR")) {
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+ throw new IOException(response); //Throw the exception
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+ } else {
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+ // Is this the first update this hour?
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+ if (response.contains("OK This is your first update this hour")) {
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+ synchronized (graphs) {
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+ final Iterator<Graph> iter = graphs.iterator();
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+
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+ while (iter.hasNext()) {
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+ final Graph graph = iter.next();
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+
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+ for (Plotter plotter : graph.getPlotters()) {
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+ plotter.reset();
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+ }
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ /**
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+ * Check if mineshafter is present. If it is, we need to bypass it to send POST requests
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+ *
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+ * @return true if mineshafter is installed on the server
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+ */
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+ private boolean isMineshafterPresent() {
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+ try {
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+ Class.forName("mineshafter.MineServer");
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+ return true;
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+ } catch (Exception e) {
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+ return false;
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+ }
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+ }
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+
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+ /**
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+ * <p>Encode a key/value data pair to be used in a HTTP post request. This INCLUDES a & so the first key/value pair
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+ * MUST be included manually, e.g:</p>
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+ * <code>
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+ * StringBuffer data = new StringBuffer();
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+ * data.append(encode("guid")).append('=').append(encode(guid));
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+ * encodeDataPair(data, "version", description.getVersion());
|
|
+ * </code>
|
|
+ *
|
|
+ * @param buffer the stringbuilder to append the data pair onto
|
|
+ * @param key the key value
|
|
+ * @param value the value
|
|
+ */
|
|
+ private static void encodeDataPair(final StringBuilder buffer, final String key, final String value) throws UnsupportedEncodingException {
|
|
+ buffer.append('&').append(encode(key)).append('=').append(encode(value));
|
|
+ }
|
|
+
|
|
+ /**
|
|
+ * Encode text as UTF-8
|
|
+ *
|
|
+ * @param text the text to encode
|
|
+ * @return the encoded text, as UTF-8
|
|
+ */
|
|
+ private static String encode(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();
|
|
+ }
|
|
+ }
|
|
+}
|
|
diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
|
|
index 6837305..fdd4fe1 100644
|
|
--- a/src/main/java/org/spigotmc/SpigotConfig.java
|
|
+++ b/src/main/java/org/spigotmc/SpigotConfig.java
|
|
@@ -36,6 +36,7 @@ public class SpigotConfig
|
|
static int version;
|
|
static Map<String, Command> commands;
|
|
/*========================================================================*/
|
|
+ private static Metrics metrics;
|
|
|
|
public static void init()
|
|
{
|
|
@@ -67,6 +68,18 @@ public class SpigotConfig
|
|
{
|
|
MinecraftServer.getServer().server.getCommandMap().register( entry.getKey(), "Spigot", entry.getValue() );
|
|
}
|
|
+
|
|
+ if ( metrics == null )
|
|
+ {
|
|
+ try
|
|
+ {
|
|
+ metrics = new Metrics();
|
|
+ metrics.start();
|
|
+ } catch ( IOException ex )
|
|
+ {
|
|
+ Bukkit.getServer().getLogger().log( Level.SEVERE, "Could not start metrics service", ex );
|
|
+ }
|
|
+ }
|
|
}
|
|
|
|
static void readConfig(Class<?> clazz, Object instance)
|
|
--
|
|
2.1.0
|
|
|