From dbcc9a05f4b14d5d5e6d77c7d3bba53d134d575c Mon Sep 17 00:00:00 2001 From: Zach Brown Date: Tue, 19 Aug 2014 14:25:40 -0500 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 d9c3b63..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; - -/** - *

The metrics class obtains data about a plugin and submits statistics about it to the metrics backend.

- * Public methods provided by this class:

- * - * Graph createGraph(String name);
- * void addCustomData(BukkitMetrics.Plotter plotter);
- * void start();
- * - */ -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 graphs = Collections.synchronizedSet(new HashSet()); - /** - * 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 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 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; - } - } - - /** - *

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:

- * - * StringBuffer data = new StringBuffer(); - * data.append(encode("guid")).append('=').append(encode(guid)); - * encodeDataPair(data, "version", description.getVersion()); - * - * - * @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 plotters = new LinkedHashSet(); - - 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 unmodifiable set of the plotter objects in the graph - * - * @return an unmodifiable {@link java.util.Set} of the plotter objects - */ - public Set 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(); - } - } -} \ No newline at end of file diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java index 3459d87..9fbf21f 100644 --- a/src/main/java/org/spigotmc/SpigotConfig.java +++ b/src/main/java/org/spigotmc/SpigotConfig.java @@ -48,7 +48,6 @@ public class SpigotConfig static int version; static Map commands; /*========================================================================*/ - private static Metrics metrics; public static void init() { @@ -80,18 +79,6 @@ 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