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Paper/Spigot-Server-Patches/0021-RIP-metrics.patch

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From 4b60804cd3d134409b1bffb6557b24bb0cccc976 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Sat, 7 Mar 2015 22:57:07 -0600
Subject: [PATCH] RIP metrics
diff --git a/src/main/java/org/spigotmc/Metrics.java b/src/main/java/org/spigotmc/Metrics.java
deleted file mode 100644
index a5fd59d..0000000
--- a/src/main/java/org/spigotmc/Metrics.java
+++ /dev/null
@@ -1,645 +0,0 @@
-/*
- * Copyright 2011-2013 Tyler Blair. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are
- * permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this list of
- * conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this list
- * of conditions and the following disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * The views and conclusions contained in the software and documentation are those of the
- * authors and contributors and should not be interpreted as representing official policies,
- * either expressed or implied, of anybody else.
- */
-package org.spigotmc;
-
-import org.bukkit.Bukkit;
-import org.bukkit.configuration.file.YamlConfiguration;
-import org.bukkit.configuration.InvalidConfigurationException;
-import org.bukkit.plugin.Plugin;
-import org.bukkit.plugin.PluginDescriptionFile;
-import org.bukkit.scheduler.BukkitTask;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.io.UnsupportedEncodingException;
-import java.net.Proxy;
-import java.net.URL;
-import java.net.URLConnection;
-import java.net.URLEncoder;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.LinkedHashSet;
-import java.util.Set;
-import java.util.Timer;
-import java.util.TimerTask;
-import java.util.UUID;
-import java.util.concurrent.TimeUnit;
-import java.util.logging.Level;
-import net.minecraft.server.MinecraftServer;
-
-/**
- * <p> The metrics class obtains data about a plugin and submits statistics about it to the metrics backend. </p> <p>
- * Public methods provided by this class: </p>
- * <code>
- * Graph createGraph(String name); <br/>
- * void addCustomData(BukkitMetrics.Plotter plotter); <br/>
- * void start(); <br/>
- * </code>
- */
-public class Metrics {
-
- /**
- * The current revision number
- */
- private final static int REVISION = 6;
- /**
- * The base url of the metrics domain
- */
- private static final String BASE_URL = "http://mcstats.org";
- /**
- * The url used to report a server's status
- */
- private static final String REPORT_URL = "/report/%s";
- /**
- * The separator to use for custom data. This MUST NOT change unless you are hosting your own version of metrics and
- * want to change it.
- */
- private static final String CUSTOM_DATA_SEPARATOR = "~~";
- /**
- * Interval of time to ping (in minutes)
- */
- private static final int PING_INTERVAL = 10;
- /**
- * All of the custom graphs to submit to metrics
- */
- private final Set<Graph> graphs = Collections.synchronizedSet(new HashSet<Graph>());
- /**
- * The default graph, used for addCustomData when you don't want a specific graph
- */
- private final Graph defaultGraph = new Graph("Default");
- /**
- * The plugin configuration file
- */
- private final YamlConfiguration configuration;
- /**
- * The plugin configuration file
- */
- private final File configurationFile;
- /**
- * Unique server id
- */
- private final String guid;
- /**
- * Debug mode
- */
- private final boolean debug;
- /**
- * Lock for synchronization
- */
- private final Object optOutLock = new Object();
- /**
- * The scheduled task
- */
- private volatile Timer task = null;
-
- public Metrics() throws IOException {
- // load the config
- configurationFile = getConfigFile();
- configuration = YamlConfiguration.loadConfiguration(configurationFile);
-
- // add some defaults
- configuration.addDefault("opt-out", false);
- configuration.addDefault("guid", UUID.randomUUID().toString());
- configuration.addDefault("debug", false);
-
- // Do we need to create the file?
- if (configuration.get("guid", null) == null) {
- configuration.options().header("http://mcstats.org").copyDefaults(true);
- configuration.save(configurationFile);
- }
-
- // Load the guid then
- guid = configuration.getString("guid");
- debug = configuration.getBoolean("debug", false);
- }
-
- /**
- * Construct and create a Graph that can be used to separate specific plotters to their own graphs on the metrics
- * website. Plotters can be added to the graph object returned.
- *
- * @param name The name of the graph
- * @return Graph object created. Will never return NULL under normal circumstances unless bad parameters are given
- */
- public Graph createGraph(final String name) {
- if (name == null) {
- throw new IllegalArgumentException("Graph name cannot be null");
- }
-
- // Construct the graph object
- final Graph graph = new Graph(name);
-
- // Now we can add our graph
- graphs.add(graph);
-
- // and return back
- return graph;
- }
-
- /**
- * Add a Graph object to BukkitMetrics that represents data for the plugin that should be sent to the backend
- *
- * @param graph The name of the graph
- */
- public void addGraph(final Graph graph) {
- if (graph == null) {
- throw new IllegalArgumentException("Graph cannot be null");
- }
-
- graphs.add(graph);
- }
-
- /**
- * Adds a custom data plotter to the default graph
- *
- * @param plotter The plotter to use to plot custom data
- */
- public void addCustomData(final Plotter plotter) {
- if (plotter == null) {
- throw new IllegalArgumentException("Plotter cannot be null");
- }
-
- // Add the plotter to the graph o/
- defaultGraph.addPlotter(plotter);
-
- // Ensure the default graph is included in the submitted graphs
- graphs.add(defaultGraph);
- }
-
- /**
- * Start measuring statistics. This will immediately create an async repeating task as the plugin and send the
- * initial data to the metrics backend, and then after that it will post in increments of PING_INTERVAL * 1200
- * ticks.
- *
- * @return True if statistics measuring is running, otherwise false.
- */
- public boolean start() {
- synchronized (optOutLock) {
- // Did we opt out?
- if (isOptOut()) {
- return false;
- }
-
- // Is metrics already running?
- if (task != null) {
- return true;
- }
-
- // Begin hitting the server with glorious data
- task = new Timer("Spigot Metrics Thread", true);
-
- task.scheduleAtFixedRate(new TimerTask() {
- private boolean firstPost = true;
-
- public void run() {
- try {
- // This has to be synchronized or it can collide with the disable method.
- synchronized (optOutLock) {
- // Disable Task, if it is running and the server owner decided to opt-out
- if (isOptOut() && task != null) {
- task.cancel();
- task = null;
- // Tell all plotters to stop gathering information.
- for (Graph graph : graphs) {
- graph.onOptOut();
- }
- }
- }
-
- // We use the inverse of firstPost because if it is the first time we are posting,
- // it is not a interval ping, so it evaluates to FALSE
- // Each time thereafter it will evaluate to TRUE, i.e PING!
- postPlugin(!firstPost);
-
- // After the first post we set firstPost to false
- // Each post thereafter will be a ping
- firstPost = false;
- } catch (IOException e) {
- if (debug) {
- Bukkit.getLogger().log(Level.INFO, "[Metrics] " + e.getMessage());
- }
- }
- }
- }, 0, TimeUnit.MINUTES.toMillis(PING_INTERVAL));
-
- return true;
- }
- }
-
- /**
- * Has the server owner denied plugin metrics?
- *
- * @return true if metrics should be opted out of it
- */
- public boolean isOptOut() {
- synchronized (optOutLock) {
- try {
- // Reload the metrics file
- configuration.load(getConfigFile());
- } catch (IOException ex) {
- if (debug) {
- Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
- }
- return true;
- } catch (InvalidConfigurationException ex) {
- if (debug) {
- Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
- }
- return true;
- }
- return configuration.getBoolean("opt-out", false);
- }
- }
-
- /**
- * Enables metrics for the server by setting "opt-out" to false in the config file and starting the metrics task.
- *
- * @throws java.io.IOException
- */
- public void enable() throws IOException {
- // This has to be synchronized or it can collide with the check in the task.
- synchronized (optOutLock) {
- // Check if the server owner has already set opt-out, if not, set it.
- if (isOptOut()) {
- configuration.set("opt-out", false);
- configuration.save(configurationFile);
- }
-
- // Enable Task, if it is not running
- if (task == null) {
- start();
- }
- }
- }
-
- /**
- * Disables metrics for the server by setting "opt-out" to true in the config file and canceling the metrics task.
- *
- * @throws java.io.IOException
- */
- public void disable() throws IOException {
- // This has to be synchronized or it can collide with the check in the task.
- synchronized (optOutLock) {
- // Check if the server owner has already set opt-out, if not, set it.
- if (!isOptOut()) {
- configuration.set("opt-out", true);
- configuration.save(configurationFile);
- }
-
- // Disable Task, if it is running
- if (task != null) {
- task.cancel();
- task = null;
- }
- }
- }
-
- /**
- * Gets the File object of the config file that should be used to store data such as the GUID and opt-out status
- *
- * @return the File object for the config file
- */
- public File getConfigFile() {
- // I believe the easiest way to get the base folder (e.g craftbukkit set via -P) for plugins to use
- // is to abuse the plugin object we already have
- // plugin.getDataFolder() => base/plugins/PluginA/
- // pluginsFolder => base/plugins/
- // The base is not necessarily relative to the startup directory.
- // File pluginsFolder = plugin.getDataFolder().getParentFile();
-
- // return => base/plugins/PluginMetrics/config.yml
- return new File(new File((File) MinecraftServer.getServer().options.valueOf("plugins"), "PluginMetrics"), "config.yml");
- }
-
- /**
- * Generic method that posts a plugin to the metrics website
- */
- private void postPlugin(final boolean isPing) throws IOException {
- // Server software specific section
- String pluginName = "Spigot";
- boolean onlineMode = Bukkit.getServer().getOnlineMode(); // TRUE if online mode is enabled
- String pluginVersion = (Metrics.class.getPackage().getImplementationVersion() != null) ? Metrics.class.getPackage().getImplementationVersion() : "unknown";
- String serverVersion = Bukkit.getVersion();
- int playersOnline = Bukkit.getServer().getOnlinePlayers().size();
-
- // END server software specific section -- all code below does not use any code outside of this class / Java
-
- // Construct the post data
- final StringBuilder data = new StringBuilder();
-
- // The plugin's description file containg all of the plugin data such as name, version, author, etc
- data.append(encode("guid")).append('=').append(encode(guid));
- encodeDataPair(data, "version", pluginVersion);
- encodeDataPair(data, "server", serverVersion);
- encodeDataPair(data, "players", Integer.toString(playersOnline));
- encodeDataPair(data, "revision", String.valueOf(REVISION));
-
- // New data as of R6
- String osname = System.getProperty("os.name");
- String osarch = System.getProperty("os.arch");
- String osversion = System.getProperty("os.version");
- String java_version = System.getProperty("java.version");
- int coreCount = Runtime.getRuntime().availableProcessors();
-
- // normalize os arch .. amd64 -> x86_64
- if (osarch.equals("amd64")) {
- osarch = "x86_64";
- }
-
- encodeDataPair(data, "osname", osname);
- encodeDataPair(data, "osarch", osarch);
- encodeDataPair(data, "osversion", osversion);
- encodeDataPair(data, "cores", Integer.toString(coreCount));
- encodeDataPair(data, "online-mode", Boolean.toString(onlineMode));
- encodeDataPair(data, "java_version", java_version);
-
- // If we're pinging, append it
- if (isPing) {
- encodeDataPair(data, "ping", "true");
- }
-
- // Acquire a lock on the graphs, which lets us make the assumption we also lock everything
- // inside of the graph (e.g plotters)
- synchronized (graphs) {
- final Iterator<Graph> iter = graphs.iterator();
-
- while (iter.hasNext()) {
- final Graph graph = iter.next();
-
- for (Plotter plotter : graph.getPlotters()) {
- // The key name to send to the metrics server
- // The format is C-GRAPHNAME-PLOTTERNAME where separator - is defined at the top
- // Legacy (R4) submitters use the format Custom%s, or CustomPLOTTERNAME
- final String key = String.format("C%s%s%s%s", CUSTOM_DATA_SEPARATOR, graph.getName(), CUSTOM_DATA_SEPARATOR, plotter.getColumnName());
-
- // The value to send, which for the foreseeable future is just the string
- // value of plotter.getValue()
- final String value = Integer.toString(plotter.getValue());
-
- // Add it to the http post data :)
- encodeDataPair(data, key, value);
- }
- }
- }
-
- // Create the url
- URL url = new URL(BASE_URL + String.format(REPORT_URL, encode(pluginName)));
-
- // 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();
- }
-
- connection.setDoOutput(true);
-
- // Write the data
- final OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
- writer.write(data.toString());
- writer.flush();
-
- // Now read the response
- final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
- final String response = reader.readLine();
-
- // close resources
- writer.close();
- reader.close();
-
- if (response == null || response.startsWith("ERR")) {
- throw new IOException(response); //Throw the exception
- } else {
- // Is this the first update this hour?
- if (response.contains("OK 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();
- }
- }
- }
- }
- }
- }
-
- /**
- * 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;
- }
- }
-
- /**
- * <p>Encode a key/value data pair to be used in a HTTP post request. This INCLUDES a & so the first key/value pair
- * MUST be included manually, e.g:</p>
- * <code>
- * StringBuffer data = new StringBuffer();
- * data.append(encode("guid")).append('=').append(encode(guid));
- * 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 c03388d..eeb1aec 100644
--- a/src/main/java/org/spigotmc/SpigotConfig.java
+++ b/src/main/java/org/spigotmc/SpigotConfig.java
@@ -47,7 +47,6 @@ public class SpigotConfig
static int version;
static Map<String, Command> commands;
/*========================================================================*/
- private static Metrics metrics;
public static void init()
{
@@ -79,18 +78,6 @@ 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)
--
1.9.1
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