Use bStats instead of MCStats

This commit is contained in:
Olof Larsson 2017-10-11 09:41:23 +02:00
parent d5d17005d9
commit 9f12bddae4
4 changed files with 673 additions and 522 deletions

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@ -175,11 +175,11 @@ public class MassiveCoreMConf extends Entity<MassiveCoreMConf>
public boolean sponsorEnabled = true; public boolean sponsorEnabled = true;
// -------------------------------------------- // // -------------------------------------------- //
// MCSTATS // METRICS
// -------------------------------------------- // // -------------------------------------------- //
// URL connections to http://mcstats.org/ // URL connections to https://bstats.org
public boolean mcstatsEnabled = true; public boolean metricsEnabled = true;
// -------------------------------------------- // // -------------------------------------------- //
// LORE SORTING // LORE SORTING

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@ -20,7 +20,6 @@ import org.bukkit.command.ConsoleCommandSender;
import org.bukkit.event.Listener; import org.bukkit.event.Listener;
import org.bukkit.plugin.java.JavaPlugin; import org.bukkit.plugin.java.JavaPlugin;
import java.io.IOException;
import java.lang.reflect.Modifier; import java.lang.reflect.Modifier;
import java.util.Arrays; import java.util.Arrays;
import java.util.Collection; import java.util.Collection;
@ -152,14 +151,13 @@ public abstract class MassivePlugin extends JavaPlugin implements Listener, Name
public void onEnablePost() public void onEnablePost()
{ {
// Metrics // Metrics
if (MassiveCoreMConf.get().mcstatsEnabled) if (MassiveCoreMConf.get().metricsEnabled)
{ {
try try
{ {
MetricsLite metrics = new MetricsLite(this); new Metrics(this);
metrics.start();
} }
catch (IOException e) catch (RuntimeException e)
{ {
String message = Txt.parse("<b>Metrics Initialization Failed :'("); String message = Txt.parse("<b>Metrics Initialization Failed :'(");
log(message); log(message);

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@ -0,0 +1,667 @@
package com.massivecraft.massivecore;
import org.bukkit.Bukkit;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.plugin.RegisteredServiceProvider;
import org.bukkit.plugin.ServicePriority;
import org.bukkit.plugin.java.JavaPlugin;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import javax.net.ssl.HttpsURLConnection;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Timer;
import java.util.TimerTask;
import java.util.UUID;
import java.util.concurrent.Callable;
import java.util.logging.Level;
import java.util.zip.GZIPOutputStream;
/**
* bStats collects some data for plugin authors.
*
* Check out https://bStats.org/ to learn more about bStats!
*/
public class Metrics {
static {
// You can use the property to disable the check in your test environment
if (System.getProperty("bstats.relocatecheck") == null || !System.getProperty("bstats.relocatecheck").equals("false")) {
// Maven's Relocate is clever and changes strings, too. So we have to use this little "trick" ... :D
final String defaultPackage = new String(
new byte[]{'o', 'r', 'g', '.', 'b', 's', 't', 'a', 't', 's', '.', 'b', 'u', 'k', 'k', 'i', 't'});
final String examplePackage = new String(new byte[]{'y', 'o', 'u', 'r', '.', 'p', 'a', 'c', 'k', 'a', 'g', 'e'});
// We want to make sure nobody just copy & pastes the example and use the wrong package names
if (Metrics.class.getPackage().getName().equals(defaultPackage) || Metrics.class.getPackage().getName().equals(examplePackage)) {
throw new IllegalStateException("bStats Metrics class has not been relocated correctly!");
}
}
}
// The version of this bStats class
public static final int B_STATS_VERSION = 1;
// The url to which the data is sent
private static final String URL = "https://bStats.org/submitData/bukkit";
// Should failed requests be logged?
private static boolean logFailedRequests;
// The uuid of the server
private static String serverUUID;
// The plugin
private final JavaPlugin plugin;
// A list with all custom charts
private final List<CustomChart> charts = new ArrayList<>();
/**
* Class constructor.
*
* @param plugin The plugin which stats should be submitted.
*/
public Metrics(JavaPlugin plugin) {
if (plugin == null) {
throw new IllegalArgumentException("Plugin cannot be null!");
}
this.plugin = plugin;
// Get the config file
File bStatsFolder = new File(plugin.getDataFolder().getParentFile(), "bStats");
File configFile = new File(bStatsFolder, "config.yml");
YamlConfiguration config = YamlConfiguration.loadConfiguration(configFile);
// Check if the config file exists
if (!config.isSet("serverUuid")) {
// Add default values
config.addDefault("enabled", true);
// Every server gets it's unique random id.
config.addDefault("serverUuid", UUID.randomUUID().toString());
// Should failed request be logged?
config.addDefault("logFailedRequests", false);
// Inform the server owners about bStats
config.options().header(
"bStats collects some data for plugin authors like how many servers are using their plugins.\n" +
"To honor their work, you should not disable it.\n" +
"This has nearly no effect on the server performance!\n" +
"Check out https://bStats.org/ to learn more :)"
).copyDefaults(true);
try {
config.save(configFile);
} catch (IOException ignored) { }
}
// Load the data
serverUUID = config.getString("serverUuid");
logFailedRequests = config.getBoolean("logFailedRequests", false);
if (config.getBoolean("enabled", true)) {
boolean found = false;
// Search for all other bStats Metrics classes to see if we are the first one
for (Class<?> service : Bukkit.getServicesManager().getKnownServices()) {
try {
service.getField("B_STATS_VERSION"); // Our identifier :)
found = true; // We aren't the first
break;
} catch (NoSuchFieldException ignored) { }
}
// Register our service
Bukkit.getServicesManager().register(Metrics.class, this, plugin, ServicePriority.Normal);
if (!found) {
// We are the first!
startSubmitting();
}
}
}
/**
* Adds a custom chart.
*
* @param chart The chart to add.
*/
public void addCustomChart(CustomChart chart) {
if (chart == null) {
throw new IllegalArgumentException("Chart cannot be null!");
}
charts.add(chart);
}
/**
* Starts the Scheduler which submits our data every 30 minutes.
*/
private void startSubmitting() {
final Timer timer = new Timer(true); // We use a timer cause the Bukkit scheduler is affected by server lags
timer.scheduleAtFixedRate(new TimerTask() {
@Override
public void run() {
if (!plugin.isEnabled()) { // Plugin was disabled
timer.cancel();
return;
}
// Nevertheless we want our code to run in the Bukkit main thread, so we have to use the Bukkit scheduler
// Don't be afraid! The connection to the bStats server is still async, only the stats collection is sync ;)
Bukkit.getScheduler().runTask(plugin, new Runnable() {
@Override
public void run() {
submitData();
}
});
}
}, 1000*60*5, 1000*60*30);
// Submit the data every 30 minutes, first time after 5 minutes to give other plugins enough time to start
// WARNING: Changing the frequency has no effect but your plugin WILL be blocked/deleted!
// WARNING: Just don't do it!
}
/**
* Gets the plugin specific data.
* This method is called using Reflection.
*
* @return The plugin specific data.
*/
public JSONObject getPluginData() {
JSONObject data = new JSONObject();
String pluginName = plugin.getDescription().getName();
String pluginVersion = plugin.getDescription().getVersion();
data.put("pluginName", pluginName); // Append the name of the plugin
data.put("pluginVersion", pluginVersion); // Append the version of the plugin
JSONArray customCharts = new JSONArray();
for (CustomChart customChart : charts) {
// Add the data of the custom charts
JSONObject chart = customChart.getRequestJsonObject();
if (chart == null) { // If the chart is null, we skip it
continue;
}
customCharts.add(chart);
}
data.put("customCharts", customCharts);
return data;
}
/**
* Gets the server specific data.
*
* @return The server specific data.
*/
private JSONObject getServerData() {
// Minecraft specific data
int playerAmount;
try {
// Around MC 1.8 the return type was changed to a collection from an array,
// This fixes java.lang.NoSuchMethodError: org.bukkit.Bukkit.getOnlinePlayers()Ljava/util/Collection;
Method onlinePlayersMethod = Class.forName("org.bukkit.Server").getMethod("getOnlinePlayers");
playerAmount = onlinePlayersMethod.getReturnType().equals(Collection.class)
? ((Collection<?>) onlinePlayersMethod.invoke(Bukkit.getServer())).size()
: ((Player[]) onlinePlayersMethod.invoke(Bukkit.getServer())).length;
} catch (Exception e) {
playerAmount = Bukkit.getOnlinePlayers().size(); // Just use the new method if the Reflection failed
}
int onlineMode = Bukkit.getOnlineMode() ? 1 : 0;
String bukkitVersion = org.bukkit.Bukkit.getVersion();
bukkitVersion = bukkitVersion.substring(bukkitVersion.indexOf("MC: ") + 4, bukkitVersion.length() - 1);
// OS/Java specific data
String javaVersion = System.getProperty("java.version");
String osName = System.getProperty("os.name");
String osArch = System.getProperty("os.arch");
String osVersion = System.getProperty("os.version");
int coreCount = Runtime.getRuntime().availableProcessors();
JSONObject data = new JSONObject();
data.put("serverUUID", serverUUID);
data.put("playerAmount", playerAmount);
data.put("onlineMode", onlineMode);
data.put("bukkitVersion", bukkitVersion);
data.put("javaVersion", javaVersion);
data.put("osName", osName);
data.put("osArch", osArch);
data.put("osVersion", osVersion);
data.put("coreCount", coreCount);
return data;
}
/**
* Collects the data and sends it afterwards.
*/
private void submitData() {
final JSONObject data = getServerData();
JSONArray pluginData = new JSONArray();
// Search for all other bStats Metrics classes to get their plugin data
for (Class<?> service : Bukkit.getServicesManager().getKnownServices()) {
try {
service.getField("B_STATS_VERSION"); // Our identifier :)
for (RegisteredServiceProvider<?> provider : Bukkit.getServicesManager().getRegistrations(service)) {
try {
pluginData.add(provider.getService().getMethod("getPluginData").invoke(provider.getProvider()));
} catch (NullPointerException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ignored) { }
}
} catch (NoSuchFieldException ignored) { }
}
data.put("plugins", pluginData);
// Create a new thread for the connection to the bStats server
new Thread(new Runnable() {
@Override
public void run() {
try {
// Send the data
sendData(data);
} catch (Exception e) {
// Something went wrong! :(
if (logFailedRequests) {
plugin.getLogger().log(Level.WARNING, "Could not submit plugin stats of " + plugin.getName(), e);
}
}
}
}).start();
}
/**
* Sends the data to the bStats server.
*
* @param data The data to send.
* @throws Exception If the request failed.
*/
private static void sendData(JSONObject data) throws Exception {
if (data == null) {
throw new IllegalArgumentException("Data cannot be null!");
}
if (Bukkit.isPrimaryThread()) {
throw new IllegalAccessException("This method must not be called from the main thread!");
}
HttpsURLConnection connection = (HttpsURLConnection) new URL(URL).openConnection();
// Compress the data to save bandwidth
byte[] compressedData = compress(data.toString());
// Add headers
connection.setRequestMethod("POST");
connection.addRequestProperty("Accept", "application/json");
connection.addRequestProperty("Connection", "close");
connection.addRequestProperty("Content-Encoding", "gzip"); // We gzip our request
connection.addRequestProperty("Content-Length", String.valueOf(compressedData.length));
connection.setRequestProperty("Content-Type", "application/json"); // We send our data in JSON format
connection.setRequestProperty("User-Agent", "MC-Server/" + B_STATS_VERSION);
// Send data
connection.setDoOutput(true);
DataOutputStream outputStream = new DataOutputStream(connection.getOutputStream());
outputStream.write(compressedData);
outputStream.flush();
outputStream.close();
connection.getInputStream().close(); // We don't care about the response - Just send our data :)
}
/**
* Gzips the given String.
*
* @param str The string to gzip.
* @return The gzipped String.
* @throws IOException If the compression failed.
*/
private static byte[] compress(final String str) throws IOException {
if (str == null) {
return null;
}
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
GZIPOutputStream gzip = new GZIPOutputStream(outputStream);
gzip.write(str.getBytes("UTF-8"));
gzip.close();
return outputStream.toByteArray();
}
/**
* Represents a custom chart.
*/
public static abstract class CustomChart {
// The id of the chart
final String chartId;
/**
* Class constructor.
*
* @param chartId The id of the chart.
*/
CustomChart(String chartId) {
if (chartId == null || chartId.isEmpty()) {
throw new IllegalArgumentException("ChartId cannot be null or empty!");
}
this.chartId = chartId;
}
private JSONObject getRequestJsonObject() {
JSONObject chart = new JSONObject();
chart.put("chartId", chartId);
try {
JSONObject data = getChartData();
if (data == null) {
// If the data is null we don't send the chart.
return null;
}
chart.put("data", data);
} catch (Throwable t) {
if (logFailedRequests) {
Bukkit.getLogger().log(Level.WARNING, "Failed to get data for custom chart with id " + chartId, t);
}
return null;
}
return chart;
}
protected abstract JSONObject getChartData() throws Exception;
}
/**
* Represents a custom simple pie.
*/
public static class SimplePie extends CustomChart {
private final Callable<String> callable;
/**
* Class constructor.
*
* @param chartId The id of the chart.
* @param callable The callable which is used to request the chart data.
*/
public SimplePie(String chartId, Callable<String> callable) {
super(chartId);
this.callable = callable;
}
@Override
protected JSONObject getChartData() throws Exception {
JSONObject data = new JSONObject();
String value = callable.call();
if (value == null || value.isEmpty()) {
// Null = skip the chart
return null;
}
data.put("value", value);
return data;
}
}
/**
* Represents a custom advanced pie.
*/
public static class AdvancedPie 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 AdvancedPie(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 drilldown pie.
*/
public static class DrilldownPie extends CustomChart {
private final Callable<Map<String, 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 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;
}
}
}

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@ -1,514 +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 com.massivecraft.massivecore;
import com.massivecraft.massivecore.util.MUtil;
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;
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.UUID;
import java.util.logging.Level;
import java.util.zip.GZIPOutputStream;
public class MetricsLite {
/**
* 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/%s";
/**
* Interval of time to ping (in minutes)
*/
private final static int PING_INTERVAL = 15;
/**
* The plugin this metrics submits for
*/
private final Plugin plugin;
/**
* 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();
/**
* Id of the scheduled task
*/
private volatile BukkitTask task = null;
public MetricsLite(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);
}
/**
* 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;
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;
}
}
// 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(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 = MUtil.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");
}
// 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);
}
}
/**
* 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");
}
}