430 lines
15 KiB
Java
430 lines
15 KiB
Java
package net.ME1312.SubServers.Host.Library;
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import net.ME1312.Galaxi.Engine.GalaxiEngine;
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import net.ME1312.Galaxi.Library.Config.YAMLConfig;
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import net.ME1312.Galaxi.Library.Map.ObjectMap;
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import net.ME1312.Galaxi.Log.Logger;
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import net.ME1312.SubServers.Host.ExHost;
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import net.ME1312.SubServers.Host.SubAPI;
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import org.json.JSONArray;
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import org.json.JSONObject;
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import javax.net.ssl.HttpsURLConnection;
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import java.io.*;
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import java.net.URL;
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import java.util.*;
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import java.util.concurrent.Callable;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import java.util.zip.GZIPOutputStream;
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/**
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* SubServers BStats Metrics Implementation
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*/
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public class Metrics {
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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/other";
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// Should failed requests be logged?
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private static boolean logFailedRequests = false;
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// The logger for the failed requests
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private static final Logger logger = new Logger("bStats");
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// The name of the server software
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private final String name = "SubServers Host";
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// The uuid of the server
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private String serverUUID;
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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 host SubServers.Host
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*/
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public Metrics(ExHost host) {
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boolean enabled = true;
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File configPath = new File(new File(GalaxiEngine.getInstance().getRuntimeDirectory(), "plugins"), "bStats");
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configPath.mkdirs();
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File configFile = new File(configPath, "config.yml");
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try {
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if (!configFile.exists()) {
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FileWriter writer = new FileWriter(configFile);
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writer.write("# bStats (https://bStats.org) collects some basic information for plugin authors, like how\n");
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writer.write("# many people use their plugin and their total player count. It's recommended to keep bStats\n");
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writer.write("# enabled, but if you're not comfortable with this, you can turn this setting off. There is no\n");
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writer.write("# performance penalty associated with having metrics enabled, and data sent to bStats is fully\n");
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writer.write("# anonymous.\n");
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writer.write("enabled: true\n");
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writer.write("serverUuid: \"" + UUID.randomUUID().toString() + "\"\n");
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writer.write("logFailedRequests: false\n");
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writer.close();
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}
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ObjectMap<String> configuration = new YAMLConfig(configFile).get();
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// Load configuration
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enabled = configuration.getBoolean("enabled", true);
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serverUUID = configuration.getString("serverUuid");
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logFailedRequests = configuration.getBoolean("logFailedRequests", false);
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// Load charts
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charts.add(new SingleLineChart("servers", () -> 1));
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charts.add(new SingleLineChart("hosted_servers", () -> host.servers.size()));
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charts.add(new SingleLineChart("plugins", () -> host.engine.getPluginManager().getPlugins().size()));
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charts.add(new SimplePie("engineVersion", () -> host.engine.getEngineInfo().getVersion().toString()));
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charts.add(new SimplePie("pluginVersion", () -> host.info.getVersion().toString()));
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charts.add(new DrilldownPie("os", () -> {
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String id = System.getProperty("os.name").toLowerCase(Locale.ENGLISH);
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String name = System.getProperty("os.name");
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String version = System.getProperty("os.version");
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Map<String, Map<String, Integer>> map = new HashMap<String, Map<String, Integer>>();
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Map<String, Integer> imap = new HashMap<String, Integer>();
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if (id.contains("mac") || id.contains("darwin")) {
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imap.put("Mac OS " + version, 1);
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map.put("Mac OS", imap);
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} else if (id.contains("win")) {
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imap.put(name, 1);
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if (id.contains("server")) {
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map.put("Windows Server", imap);
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} else {
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map.put("Windows", imap);
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}
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} else if (id.contains("bsd")) {
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imap.put(name + ' ' + version, 1);
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map.put("BSD", imap);
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} else if (id.contains("nux")) {
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imap.put(version, 1);
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map.put("Linux", imap);
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} else {
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imap.put(name + ' ' + version, 1);
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map.put(name, imap);
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}
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return map;
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}));
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charts.add(new SimplePie("coreCount", () -> Integer.toString(Runtime.getRuntime().availableProcessors())));
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charts.add(new DrilldownPie("javaVersion", () -> {
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String version = System.getProperty("java.version");
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Matcher regex = Pattern.compile("(?:1\\.)?(\\d+).*").matcher(version);
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Map<String, Map<String, Integer>> map = new HashMap<String, Map<String, Integer>>();
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Map<String, Integer> imap = new HashMap<String, Integer>();
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if (regex.find()) {
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imap.put(regex.group(), 1);
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map.put("Java " + regex.group(1), imap);
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} else {
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imap.put(version, 1);
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map.put("Java X", imap);
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}
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return map;
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}));
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charts.add(new SimplePie("osArch", () -> System.getProperty("os.arch")));
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} catch (Exception e) {
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logger.error.println(e);
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}
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// We are allowed to send data
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if (enabled) {
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// Start submitting the data
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startSubmitting();
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}
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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(SubAPI.getInstance().getAppInfo().getName() + "::Metrics_Uploader", true);
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timer.scheduleAtFixedRate(new TimerTask() {
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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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}, 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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*
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* @return The plugin specific data.
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*/
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private JSONObject getPluginData() {
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JSONObject data = new JSONObject();
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data.put("pluginName", name); // Append the name of the server software
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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.put(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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JSONObject data = new JSONObject();
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data.put("serverUUID", serverUUID);
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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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pluginData.put(getPluginData());
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data.put("plugins", pluginData);
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try {
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// We are still in the Thread of the timer, so nothing get blocked :)
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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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logger.warn.println("Could not submit stats of " + name, e);
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}
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}
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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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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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InputStream inputStream = connection.getInputStream();
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BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
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StringBuilder builder = new StringBuilder();
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String line;
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while ((line = bufferedReader.readLine()) != null) {
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builder.append(line);
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}
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bufferedReader.close();
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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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logger.warn.println("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 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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/**
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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 DrilldownPie(String chartId, Callable<Map<String, 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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public 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, 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 reallyAllSkipped = true;
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for (Map.Entry<String, Map<String, Integer>> entryValues : map.entrySet()) {
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JSONObject value = new JSONObject();
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boolean allSkipped = true;
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for (Map.Entry<String, Integer> valueEntry : map.get(entryValues.getKey()).entrySet()) {
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value.put(valueEntry.getKey(), valueEntry.getValue());
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allSkipped = false;
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}
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if (!allSkipped) {
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reallyAllSkipped = false;
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values.put(entryValues.getKey(), value);
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}
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}
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if (reallyAllSkipped) {
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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 single line chart.
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*/
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public static class SingleLineChart extends CustomChart {
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private final Callable<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 SingleLineChart(String chartId, Callable<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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int value = callable.call();
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if (value == 0) {
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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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} |