mirror of
https://github.com/AtlasMediaGroup/TotalFreedomMod.git
synced 2024-11-30 02:05:41 +00:00
Replace mcstats with bstats
This commit is contained in:
ZeroEpoch1969
parent
45a10a871f
commit
c0e16ee9c7
@ -32,7 +32,7 @@ import org.bukkit.Bukkit;
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import org.bukkit.generator.ChunkGenerator;
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import org.bukkit.plugin.Plugin;
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import org.bukkit.scheduler.BukkitRunnable;
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import org.mcstats.Metrics;
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import org.bstats.Metrics;
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import org.spigotmc.SpigotConfig;
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import java.io.File;
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@ -237,16 +237,8 @@ public class TotalFreedomMod extends AeroPlugin<TotalFreedomMod>
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timer.update();
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FLog.info("Version " + pluginVersion + " for " + ServerInterface.COMPILE_NMS_VERSION + " enabled in " + timer.getTotal() + "ms");
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// Metrics @ http://mcstats.org/plugin/TotalFreedomMod
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try
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{
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final Metrics metrics = new Metrics(plugin);
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metrics.start();
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}
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catch (IOException ex)
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{
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FLog.warning("Failed to submit metrics data: " + ex.getMessage());
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}
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// Metrics @ https://bstats.org/plugin/bukkit/TotalFreedomMod
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new Metrics(this);
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// Add spawnpoints later - https://github.com/TotalFreedom/TotalFreedomMod/issues/438
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new BukkitRunnable()
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667
src/main/java/org/bstats/Metrics.java
Normal file
667
src/main/java/org/bstats/Metrics.java
Normal file
@ -0,0 +1,667 @@
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package org.bstats;
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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.entity.Player;
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import org.bukkit.plugin.RegisteredServiceProvider;
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import org.bukkit.plugin.ServicePriority;
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import org.bukkit.plugin.java.JavaPlugin;
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import org.json.simple.JSONArray;
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import org.json.simple.JSONObject;
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import javax.net.ssl.HttpsURLConnection;
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import java.io.ByteArrayOutputStream;
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import java.io.DataOutputStream;
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import java.io.File;
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import java.io.IOException;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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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.Callable;
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import java.util.logging.Level;
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import java.util.zip.GZIPOutputStream;
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/**
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* bStats collects some data for plugin authors.
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*
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* Check out https://bStats.org/ to learn more about bStats!
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*/
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public class Metrics {
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static {
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// You can use the property to disable the check in your test environment
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if (System.getProperty("bstats.relocatecheck") == null || !System.getProperty("bstats.relocatecheck").equals("false")) {
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// Maven's Relocate is clever and changes strings, too. So we have to use this little "trick" ... :D
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final String defaultPackage = new String(
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new byte[]{'o', 'r', 'g', '.', 'b', 's', 't', 'a', 't', 's', '.', 'b', 'u', 'k', 'k', 'i', 't'});
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final String examplePackage = new String(new byte[]{'y', 'o', 'u', 'r', '.', 'p', 'a', 'c', 'k', 'a', 'g', 'e'});
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// We want to make sure nobody just copy & pastes the example and use the wrong package names
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if (Metrics.class.getPackage().getName().equals(defaultPackage) || Metrics.class.getPackage().getName().equals(examplePackage)) {
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throw new IllegalStateException("bStats Metrics class has not been relocated correctly!");
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}
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}
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}
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// The version of this bStats class
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public static final int B_STATS_VERSION = 1;
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// The url to which the data is sent
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private static final String URL = "https://bStats.org/submitData/bukkit";
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// Should failed requests be logged?
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private static boolean logFailedRequests;
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// The uuid of the server
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private static String serverUUID;
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// The plugin
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private final JavaPlugin plugin;
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// A list with all custom charts
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private final List<CustomChart> charts = new ArrayList<>();
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/**
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* Class constructor.
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*
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* @param plugin The plugin which stats should be submitted.
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*/
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public Metrics(JavaPlugin plugin) {
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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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// Get the config file
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File bStatsFolder = new File(plugin.getDataFolder().getParentFile(), "bStats");
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File configFile = new File(bStatsFolder, "config.yml");
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YamlConfiguration config = YamlConfiguration.loadConfiguration(configFile);
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// Check if the config file exists
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if (!config.isSet("serverUuid")) {
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// Add default values
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config.addDefault("enabled", true);
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// Every server gets it's unique random id.
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config.addDefault("serverUuid", UUID.randomUUID().toString());
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// Should failed request be logged?
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config.addDefault("logFailedRequests", false);
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// Inform the server owners about bStats
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config.options().header(
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"bStats collects some data for plugin authors like how many servers are using their plugins.\n" +
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"To honor their work, you should not disable it.\n" +
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"This has nearly no effect on the server performance!\n" +
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"Check out https://bStats.org/ to learn more :)"
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).copyDefaults(true);
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try {
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config.save(configFile);
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} catch (IOException ignored) { }
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}
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// Load the data
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serverUUID = config.getString("serverUuid");
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logFailedRequests = config.getBoolean("logFailedRequests", false);
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if (config.getBoolean("enabled", true)) {
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boolean found = false;
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// Search for all other bStats Metrics classes to see if we are the first one
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for (Class<?> service : Bukkit.getServicesManager().getKnownServices()) {
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try {
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service.getField("B_STATS_VERSION"); // Our identifier :)
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found = true; // We aren't the first
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break;
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} catch (NoSuchFieldException ignored) { }
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}
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// Register our service
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Bukkit.getServicesManager().register(Metrics.class, this, plugin, ServicePriority.Normal);
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if (!found) {
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// We are the first!
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startSubmitting();
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}
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}
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}
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/**
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* Adds a custom chart.
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*
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* @param chart The chart to add.
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*/
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public void addCustomChart(CustomChart chart) {
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if (chart == null) {
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throw new IllegalArgumentException("Chart cannot be null!");
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}
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charts.add(chart);
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}
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/**
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* Starts the Scheduler which submits our data every 30 minutes.
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*/
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private void startSubmitting() {
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final Timer timer = new Timer(true); // We use a timer cause the Bukkit scheduler is affected by server lags
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timer.scheduleAtFixedRate(new TimerTask() {
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@Override
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public void run() {
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if (!plugin.isEnabled()) { // Plugin was disabled
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timer.cancel();
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return;
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}
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// Nevertheless we want our code to run in the Bukkit main thread, so we have to use the Bukkit scheduler
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// Don't be afraid! The connection to the bStats server is still async, only the stats collection is sync ;)
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Bukkit.getScheduler().runTask(plugin, new Runnable() {
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@Override
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public void run() {
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submitData();
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}
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});
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}
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}, 1000*60*5, 1000*60*30);
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// Submit the data every 30 minutes, first time after 5 minutes to give other plugins enough time to start
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// WARNING: Changing the frequency has no effect but your plugin WILL be blocked/deleted!
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// WARNING: Just don't do it!
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}
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/**
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* Gets the plugin specific data.
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* This method is called using Reflection.
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*
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* @return The plugin specific data.
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*/
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public JSONObject getPluginData() {
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JSONObject data = new JSONObject();
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String pluginName = plugin.getDescription().getName();
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String pluginVersion = plugin.getDescription().getVersion();
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data.put("pluginName", pluginName); // Append the name of the plugin
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data.put("pluginVersion", pluginVersion); // Append the version of the plugin
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JSONArray customCharts = new JSONArray();
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for (CustomChart customChart : charts) {
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// Add the data of the custom charts
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JSONObject chart = customChart.getRequestJsonObject();
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if (chart == null) { // If the chart is null, we skip it
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continue;
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}
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customCharts.add(chart);
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}
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data.put("customCharts", customCharts);
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return data;
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}
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/**
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* Gets the server specific data.
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*
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* @return The server specific data.
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*/
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private JSONObject getServerData() {
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// Minecraft specific data
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int playerAmount;
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try {
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// Around MC 1.8 the return type was changed to a collection from an array,
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// This fixes java.lang.NoSuchMethodError: org.bukkit.Bukkit.getOnlinePlayers()Ljava/util/Collection;
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Method onlinePlayersMethod = Class.forName("org.bukkit.Server").getMethod("getOnlinePlayers");
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playerAmount = onlinePlayersMethod.getReturnType().equals(Collection.class)
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? ((Collection<?>) onlinePlayersMethod.invoke(Bukkit.getServer())).size()
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: ((Player[]) onlinePlayersMethod.invoke(Bukkit.getServer())).length;
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} catch (Exception e) {
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playerAmount = Bukkit.getOnlinePlayers().size(); // Just use the new method if the Reflection failed
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}
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int onlineMode = Bukkit.getOnlineMode() ? 1 : 0;
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String bukkitVersion = org.bukkit.Bukkit.getVersion();
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bukkitVersion = bukkitVersion.substring(bukkitVersion.indexOf("MC: ") + 4, bukkitVersion.length() - 1);
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// OS/Java specific data
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String javaVersion = System.getProperty("java.version");
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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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int coreCount = Runtime.getRuntime().availableProcessors();
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JSONObject data = new JSONObject();
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data.put("serverUUID", serverUUID);
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data.put("playerAmount", playerAmount);
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data.put("onlineMode", onlineMode);
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data.put("bukkitVersion", bukkitVersion);
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data.put("javaVersion", javaVersion);
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data.put("osName", osName);
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data.put("osArch", osArch);
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data.put("osVersion", osVersion);
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data.put("coreCount", coreCount);
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return data;
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}
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/**
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* Collects the data and sends it afterwards.
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*/
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private void submitData() {
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final JSONObject data = getServerData();
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JSONArray pluginData = new JSONArray();
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// Search for all other bStats Metrics classes to get their plugin data
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for (Class<?> service : Bukkit.getServicesManager().getKnownServices()) {
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try {
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service.getField("B_STATS_VERSION"); // Our identifier :)
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for (RegisteredServiceProvider<?> provider : Bukkit.getServicesManager().getRegistrations(service)) {
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try {
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pluginData.add(provider.getService().getMethod("getPluginData").invoke(provider.getProvider()));
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} catch (NullPointerException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ignored) { }
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}
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} catch (NoSuchFieldException ignored) { }
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}
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data.put("plugins", pluginData);
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// Create a new thread for the connection to the bStats server
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new Thread(new Runnable() {
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@Override
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public void run() {
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try {
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// Send the data
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sendData(data);
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} catch (Exception e) {
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// Something went wrong! :(
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if (logFailedRequests) {
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plugin.getLogger().log(Level.WARNING, "Could not submit plugin stats of " + plugin.getName(), e);
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}
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}
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}
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}).start();
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}
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/**
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* Sends the data to the bStats server.
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*
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* @param data The data to send.
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* @throws Exception If the request failed.
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*/
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private static void sendData(JSONObject data) throws Exception {
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if (data == null) {
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throw new IllegalArgumentException("Data cannot be null!");
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}
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if (Bukkit.isPrimaryThread()) {
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throw new IllegalAccessException("This method must not be called from the main thread!");
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}
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HttpsURLConnection connection = (HttpsURLConnection) new URL(URL).openConnection();
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// Compress the data to save bandwidth
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byte[] compressedData = compress(data.toString());
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// Add headers
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connection.setRequestMethod("POST");
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connection.addRequestProperty("Accept", "application/json");
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connection.addRequestProperty("Connection", "close");
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connection.addRequestProperty("Content-Encoding", "gzip"); // We gzip our request
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connection.addRequestProperty("Content-Length", String.valueOf(compressedData.length));
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connection.setRequestProperty("Content-Type", "application/json"); // We send our data in JSON format
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connection.setRequestProperty("User-Agent", "MC-Server/" + B_STATS_VERSION);
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// Send data
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connection.setDoOutput(true);
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DataOutputStream outputStream = new DataOutputStream(connection.getOutputStream());
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outputStream.write(compressedData);
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outputStream.flush();
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outputStream.close();
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connection.getInputStream().close(); // We don't care about the response - Just send our data :)
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}
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/**
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* Gzips the given String.
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*
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* @param str The string to gzip.
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* @return The gzipped String.
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* @throws IOException If the compression failed.
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*/
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private static byte[] compress(final String str) throws IOException {
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if (str == null) {
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return null;
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}
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ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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GZIPOutputStream gzip = new GZIPOutputStream(outputStream);
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gzip.write(str.getBytes("UTF-8"));
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gzip.close();
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return outputStream.toByteArray();
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}
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/**
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* Represents a custom chart.
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*/
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public static abstract class CustomChart {
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// The id of the chart
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final String chartId;
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/**
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* Class constructor.
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*
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* @param chartId The id of the chart.
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*/
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CustomChart(String chartId) {
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if (chartId == null || chartId.isEmpty()) {
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throw new IllegalArgumentException("ChartId cannot be null or empty!");
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}
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this.chartId = chartId;
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}
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private JSONObject getRequestJsonObject() {
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JSONObject chart = new JSONObject();
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chart.put("chartId", chartId);
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try {
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JSONObject data = getChartData();
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if (data == null) {
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// If the data is null we don't send the chart.
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return null;
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}
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chart.put("data", data);
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} catch (Throwable t) {
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if (logFailedRequests) {
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Bukkit.getLogger().log(Level.WARNING, "Failed to get data for custom chart with id " + chartId, t);
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}
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return null;
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}
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return chart;
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}
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protected abstract JSONObject getChartData() throws Exception;
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}
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/**
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* Represents a custom simple pie.
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*/
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public static class SimplePie extends CustomChart {
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private final Callable<String> callable;
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/**
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* Class constructor.
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*
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* @param chartId The id of the chart.
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* @param callable The callable which is used to request the chart data.
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*/
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public SimplePie(String chartId, Callable<String> callable) {
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super(chartId);
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this.callable = callable;
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}
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@Override
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protected JSONObject getChartData() throws Exception {
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JSONObject data = new JSONObject();
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String value = callable.call();
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if (value == null || value.isEmpty()) {
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// Null = skip the chart
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return null;
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}
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data.put("value", value);
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return data;
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}
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}
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/**
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* Represents a custom advanced pie.
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*/
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public static class AdvancedPie extends CustomChart {
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private final Callable<Map<String, Integer>> callable;
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/**
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* Class constructor.
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*
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* @param chartId The id of the chart.
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* @param callable The callable which is used to request the chart data.
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*/
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public AdvancedPie(String chartId, Callable<Map<String, Integer>> callable) {
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super(chartId);
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this.callable = callable;
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}
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@Override
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protected JSONObject getChartData() throws Exception {
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JSONObject data = new JSONObject();
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JSONObject values = new JSONObject();
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Map<String, Integer> map = callable.call();
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if (map == null || map.isEmpty()) {
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// Null = skip the chart
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return null;
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}
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boolean allSkipped = true;
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for (Map.Entry<String, Integer> entry : map.entrySet()) {
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if (entry.getValue() == 0) {
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continue; // Skip this invalid
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}
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allSkipped = false;
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values.put(entry.getKey(), entry.getValue());
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}
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if (allSkipped) {
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// Null = skip the chart
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return null;
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}
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data.put("values", values);
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return data;
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}
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}
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/**
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* Represents a custom drilldown pie.
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*/
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public static class DrilldownPie extends CustomChart {
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private final Callable<Map<String, Map<String, Integer>>> callable;
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||||
/**
|
||||
* Class constructor.
|
||||
*
|
||||
* @param chartId The id of the chart.
|
||||
* @param callable The callable which is used to request the chart data.
|
||||
*/
|
||||
public DrilldownPie(String chartId, Callable<Map<String, Map<String, Integer>>> callable) {
|
||||
super(chartId);
|
||||
this.callable = callable;
|
||||
}
|
||||
|
||||
@Override
|
||||
public JSONObject getChartData() throws Exception {
|
||||
JSONObject data = new JSONObject();
|
||||
JSONObject values = new JSONObject();
|
||||
Map<String, Map<String, Integer>> map = callable.call();
|
||||
if (map == null || map.isEmpty()) {
|
||||
// Null = skip the chart
|
||||
return null;
|
||||
}
|
||||
boolean reallyAllSkipped = true;
|
||||
for (Map.Entry<String, Map<String, Integer>> entryValues : map.entrySet()) {
|
||||
JSONObject value = new JSONObject();
|
||||
boolean allSkipped = true;
|
||||
for (Map.Entry<String, Integer> valueEntry : map.get(entryValues.getKey()).entrySet()) {
|
||||
value.put(valueEntry.getKey(), valueEntry.getValue());
|
||||
allSkipped = false;
|
||||
}
|
||||
if (!allSkipped) {
|
||||
reallyAllSkipped = false;
|
||||
values.put(entryValues.getKey(), value);
|
||||
}
|
||||
}
|
||||
if (reallyAllSkipped) {
|
||||
// Null = skip the chart
|
||||
return null;
|
||||
}
|
||||
data.put("values", values);
|
||||
return data;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Represents a custom single line chart.
|
||||
*/
|
||||
public static class SingleLineChart extends CustomChart {
|
||||
|
||||
private final Callable<Integer> callable;
|
||||
|
||||
/**
|
||||
* Class constructor.
|
||||
*
|
||||
* @param chartId The id of the chart.
|
||||
* @param callable The callable which is used to request the chart data.
|
||||
*/
|
||||
public SingleLineChart(String chartId, Callable<Integer> callable) {
|
||||
super(chartId);
|
||||
this.callable = callable;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected JSONObject getChartData() throws Exception {
|
||||
JSONObject data = new JSONObject();
|
||||
int value = callable.call();
|
||||
if (value == 0) {
|
||||
// Null = skip the chart
|
||||
return null;
|
||||
}
|
||||
data.put("value", value);
|
||||
return data;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Represents a custom multi line chart.
|
||||
*/
|
||||
public static class MultiLineChart extends CustomChart {
|
||||
|
||||
private final Callable<Map<String, Integer>> callable;
|
||||
|
||||
/**
|
||||
* Class constructor.
|
||||
*
|
||||
* @param chartId The id of the chart.
|
||||
* @param callable The callable which is used to request the chart data.
|
||||
*/
|
||||
public MultiLineChart(String chartId, Callable<Map<String, Integer>> callable) {
|
||||
super(chartId);
|
||||
this.callable = callable;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected JSONObject getChartData() throws Exception {
|
||||
JSONObject data = new JSONObject();
|
||||
JSONObject values = new JSONObject();
|
||||
Map<String, Integer> map = callable.call();
|
||||
if (map == null || map.isEmpty()) {
|
||||
// Null = skip the chart
|
||||
return null;
|
||||
}
|
||||
boolean allSkipped = true;
|
||||
for (Map.Entry<String, Integer> entry : map.entrySet()) {
|
||||
if (entry.getValue() == 0) {
|
||||
continue; // Skip this invalid
|
||||
}
|
||||
allSkipped = false;
|
||||
values.put(entry.getKey(), entry.getValue());
|
||||
}
|
||||
if (allSkipped) {
|
||||
// Null = skip the chart
|
||||
return null;
|
||||
}
|
||||
data.put("values", values);
|
||||
return data;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Represents a custom simple bar chart.
|
||||
*/
|
||||
public static class SimpleBarChart extends CustomChart {
|
||||
|
||||
private final Callable<Map<String, Integer>> callable;
|
||||
|
||||
/**
|
||||
* Class constructor.
|
||||
*
|
||||
* @param chartId The id of the chart.
|
||||
* @param callable The callable which is used to request the chart data.
|
||||
*/
|
||||
public SimpleBarChart(String chartId, Callable<Map<String, Integer>> callable) {
|
||||
super(chartId);
|
||||
this.callable = callable;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected JSONObject getChartData() throws Exception {
|
||||
JSONObject data = new JSONObject();
|
||||
JSONObject values = new JSONObject();
|
||||
Map<String, Integer> map = callable.call();
|
||||
if (map == null || map.isEmpty()) {
|
||||
// Null = skip the chart
|
||||
return null;
|
||||
}
|
||||
for (Map.Entry<String, Integer> entry : map.entrySet()) {
|
||||
JSONArray categoryValues = new JSONArray();
|
||||
categoryValues.add(entry.getValue());
|
||||
values.put(entry.getKey(), categoryValues);
|
||||
}
|
||||
data.put("values", values);
|
||||
return data;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Represents a custom advanced bar chart.
|
||||
*/
|
||||
public static class AdvancedBarChart extends CustomChart {
|
||||
|
||||
private final Callable<Map<String, int[]>> callable;
|
||||
|
||||
/**
|
||||
* Class constructor.
|
||||
*
|
||||
* @param chartId The id of the chart.
|
||||
* @param callable The callable which is used to request the chart data.
|
||||
*/
|
||||
public AdvancedBarChart(String chartId, Callable<Map<String, int[]>> callable) {
|
||||
super(chartId);
|
||||
this.callable = callable;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected JSONObject getChartData() throws Exception {
|
||||
JSONObject data = new JSONObject();
|
||||
JSONObject values = new JSONObject();
|
||||
Map<String, int[]> map = callable.call();
|
||||
if (map == null || map.isEmpty()) {
|
||||
// Null = skip the chart
|
||||
return null;
|
||||
}
|
||||
boolean allSkipped = true;
|
||||
for (Map.Entry<String, int[]> entry : map.entrySet()) {
|
||||
if (entry.getValue().length == 0) {
|
||||
continue; // Skip this invalid
|
||||
}
|
||||
allSkipped = false;
|
||||
JSONArray categoryValues = new JSONArray();
|
||||
for (int categoryValue : entry.getValue()) {
|
||||
categoryValues.add(categoryValue);
|
||||
}
|
||||
values.put(entry.getKey(), categoryValues);
|
||||
}
|
||||
if (allSkipped) {
|
||||
// Null = skip the chart
|
||||
return null;
|
||||
}
|
||||
data.put("values", values);
|
||||
return data;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
@ -1,852 +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.mcstats;
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStreamReader;
|
||||
import java.io.OutputStream;
|
||||
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.UUID;
|
||||
import java.util.logging.Level;
|
||||
import java.util.zip.GZIPOutputStream;
|
||||
import org.bukkit.Bukkit;
|
||||
import org.bukkit.configuration.InvalidConfigurationException;
|
||||
import org.bukkit.configuration.file.YamlConfiguration;
|
||||
import org.bukkit.plugin.Plugin;
|
||||
import org.bukkit.plugin.PluginDescriptionFile;
|
||||
import org.bukkit.scheduler.BukkitTask;
|
||||
|
||||
public class Metrics
|
||||
{
|
||||
|
||||
/**
|
||||
* The current revision number
|
||||
*/
|
||||
private final static int REVISION = 7;
|
||||
/**
|
||||
* The base url of the metrics domain
|
||||
*/
|
||||
private static final String BASE_URL = "http://report.mcstats.org";
|
||||
/**
|
||||
* The url used to report a server's status
|
||||
*/
|
||||
private static final String REPORT_URL = "/plugin/TotalFreedomMod"; // TotalFreedomMod
|
||||
/**
|
||||
* Interval of time to ping (in minutes)
|
||||
*/
|
||||
private static final int PING_INTERVAL = 15;
|
||||
/**
|
||||
* The plugin this metrics submits for
|
||||
*/
|
||||
private final Plugin plugin;
|
||||
/**
|
||||
* All of the custom graphs to submit to metrics
|
||||
*/
|
||||
private final Set<Graph> graphs = Collections.synchronizedSet(new HashSet<Graph>());
|
||||
/**
|
||||
* 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 BukkitTask task = null;
|
||||
|
||||
public Metrics(final Plugin plugin) throws IOException
|
||||
{
|
||||
if (plugin == null)
|
||||
{
|
||||
throw new IllegalArgumentException("Plugin cannot be null");
|
||||
}
|
||||
|
||||
this.plugin = plugin;
|
||||
|
||||
// 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);
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 = plugin.getServer().getScheduler().runTaskTimerAsynchronously(plugin, new Runnable()
|
||||
{
|
||||
private boolean firstPost = true;
|
||||
|
||||
@Override
|
||||
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, PING_INTERVAL * 1200);
|
||||
|
||||
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(pluginsFolder, "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
|
||||
PluginDescriptionFile description = plugin.getDescription();
|
||||
String pluginName = description.getName();
|
||||
boolean onlineMode = Bukkit.getServer().getOnlineMode(); // TRUE if online mode is enabled
|
||||
String pluginVersion = description.getVersion();
|
||||
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
|
||||
StringBuilder json = new StringBuilder(1024);
|
||||
json.append('{');
|
||||
|
||||
// The plugin's description file containg all of the plugin data such as name, version, author, etc
|
||||
appendJSONPair(json, "guid", guid);
|
||||
appendJSONPair(json, "plugin_version", pluginVersion);
|
||||
appendJSONPair(json, "server_version", serverVersion);
|
||||
appendJSONPair(json, "players_online", Integer.toString(playersOnline));
|
||||
|
||||
// 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";
|
||||
}
|
||||
|
||||
appendJSONPair(json, "osname", osname);
|
||||
appendJSONPair(json, "osarch", osarch);
|
||||
appendJSONPair(json, "osversion", osversion);
|
||||
appendJSONPair(json, "cores", Integer.toString(coreCount));
|
||||
appendJSONPair(json, "auth_mode", onlineMode ? "1" : "0");
|
||||
appendJSONPair(json, "java_version", java_version);
|
||||
|
||||
// If we're pinging, append it
|
||||
if (isPing)
|
||||
{
|
||||
appendJSONPair(json, "ping", "1");
|
||||
}
|
||||
|
||||
if (graphs.size() > 0)
|
||||
{
|
||||
synchronized (graphs)
|
||||
{
|
||||
json.append(',');
|
||||
json.append('"');
|
||||
json.append("graphs");
|
||||
json.append('"');
|
||||
json.append(':');
|
||||
json.append('{');
|
||||
|
||||
boolean firstGraph = true;
|
||||
|
||||
final Iterator<Graph> iter = graphs.iterator();
|
||||
|
||||
while (iter.hasNext())
|
||||
{
|
||||
Graph graph = iter.next();
|
||||
|
||||
StringBuilder graphJson = new StringBuilder();
|
||||
graphJson.append('{');
|
||||
|
||||
for (Plotter plotter : graph.getPlotters())
|
||||
{
|
||||
appendJSONPair(graphJson, plotter.getColumnName(), Integer.toString(plotter.getValue()));
|
||||
}
|
||||
|
||||
graphJson.append('}');
|
||||
|
||||
if (!firstGraph)
|
||||
{
|
||||
json.append(',');
|
||||
}
|
||||
|
||||
json.append(escapeJSON(graph.getName()));
|
||||
json.append(':');
|
||||
json.append(graphJson);
|
||||
|
||||
firstGraph = false;
|
||||
}
|
||||
|
||||
json.append('}');
|
||||
}
|
||||
}
|
||||
|
||||
// close json
|
||||
json.append('}');
|
||||
|
||||
// Create the url
|
||||
URL url = new URL(BASE_URL + String.format(REPORT_URL, urlEncode(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();
|
||||
}
|
||||
|
||||
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<>();
|
||||
|
||||
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();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user