mirror of
https://github.com/ChestShop-authors/ChestShop-3.git
synced 2024-12-18 22:37:34 +01:00
658 lines
22 KiB
Java
658 lines
22 KiB
Java
/*
|
|
* Copyright 2011 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.Acrobot.ChestShop;
|
|
|
|
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.*;
|
|
import java.net.Proxy;
|
|
import java.net.URL;
|
|
import java.net.URLConnection;
|
|
import java.net.URLEncoder;
|
|
import java.util.*;
|
|
import java.util.logging.Level;
|
|
|
|
/**
|
|
* <p>
|
|
* The metrics class obtains data about a plugin and submits statistics about it to the metrics backend.
|
|
* </p>
|
|
* <p>
|
|
* Public methods provided by this class:
|
|
* </p>
|
|
* <code>
|
|
* Graph createGraph(String name); <br/>
|
|
* void addCustomData(Metrics.Plotter plotter); <br/>
|
|
* void start(); <br/>
|
|
* </code>
|
|
*/
|
|
public class Metrics {
|
|
|
|
/**
|
|
* The current revision number
|
|
*/
|
|
private final static int REVISION = 6;
|
|
|
|
/**
|
|
* The base url of the metrics domain
|
|
*/
|
|
private static final String BASE_URL = "http://mcstats.org";
|
|
|
|
/**
|
|
* The url used to report a server's status
|
|
*/
|
|
private static final String REPORT_URL = "/report/%s";
|
|
|
|
/**
|
|
* The separator to use for custom data. This MUST NOT change unless you are hosting your own
|
|
* version of metrics and want to change it.
|
|
*/
|
|
private static final String CUSTOM_DATA_SEPARATOR = "~~";
|
|
|
|
/**
|
|
* Interval of time to ping (in minutes)
|
|
*/
|
|
private static final int PING_INTERVAL = 10;
|
|
|
|
/**
|
|
* 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 default graph, used for addCustomData when you don't want a specific graph
|
|
*/
|
|
private final Graph defaultGraph = new Graph("Default");
|
|
|
|
/**
|
|
* The plugin configuration file
|
|
*/
|
|
private final YamlConfiguration configuration;
|
|
|
|
/**
|
|
* The plugin configuration file
|
|
*/
|
|
private final File configurationFile;
|
|
|
|
/**
|
|
* Unique server id
|
|
*/
|
|
private final String guid;
|
|
|
|
/**
|
|
* Debug mode
|
|
*/
|
|
private final boolean debug;
|
|
|
|
/**
|
|
* Lock for synchronization
|
|
*/
|
|
private final Object optOutLock = new Object();
|
|
|
|
/**
|
|
* The scheduled task
|
|
*/
|
|
private volatile 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 Metrics that represents data for the plugin that should be sent to the backend
|
|
*
|
|
* @param graph The name of the graph
|
|
*/
|
|
public void addGraph(final Graph graph) {
|
|
if (graph == null) {
|
|
throw new IllegalArgumentException("Graph cannot be null");
|
|
}
|
|
|
|
graphs.add(graph);
|
|
}
|
|
|
|
/**
|
|
* Adds a custom data plotter to the default graph
|
|
*
|
|
* @param plotter The plotter to use to plot custom data
|
|
*/
|
|
public void addCustomData(final Plotter plotter) {
|
|
if (plotter == null) {
|
|
throw new IllegalArgumentException("Plotter cannot be null");
|
|
}
|
|
|
|
// Add the plotter to the graph o/
|
|
defaultGraph.addPlotter(plotter);
|
|
|
|
// Ensure the default graph is included in the submitted graphs
|
|
graphs.add(defaultGraph);
|
|
}
|
|
|
|
/**
|
|
* Start measuring statistics. This will immediately create an async repeating task as the plugin and send
|
|
* the initial data to the metrics backend, and then after that it will post in increments of
|
|
* PING_INTERVAL * 1200 ticks.
|
|
*
|
|
* @return True if statistics measuring is running, otherwise false.
|
|
*/
|
|
public boolean start() {
|
|
synchronized (optOutLock) {
|
|
// Did we opt out?
|
|
if (isOptOut()) {
|
|
return false;
|
|
}
|
|
|
|
// Is metrics already running?
|
|
if (task != null) {
|
|
return true;
|
|
}
|
|
|
|
// Begin hitting the server with glorious data
|
|
task = 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;
|
|
// 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 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 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().length;
|
|
|
|
// END server software specific section -- all code below does not use any code outside of this class / Java
|
|
|
|
// Construct the post data
|
|
final StringBuilder data = new StringBuilder(50);
|
|
|
|
// The plugin's description file containg all of the plugin data such as name, version, author, etc
|
|
data.append(encode("guid")).append('=').append(encode(guid));
|
|
encodeDataPair(data, "version", pluginVersion);
|
|
encodeDataPair(data, "server", serverVersion);
|
|
encodeDataPair(data, "players", Integer.toString(playersOnline));
|
|
encodeDataPair(data, "revision", String.valueOf(REVISION));
|
|
|
|
// New data as of R6
|
|
String osname = System.getProperty("os.name");
|
|
String osarch = System.getProperty("os.arch");
|
|
String osversion = System.getProperty("os.version");
|
|
String java_version = System.getProperty("java.version");
|
|
int coreCount = Runtime.getRuntime().availableProcessors();
|
|
|
|
// normalize os arch .. amd64 -> x86_64
|
|
if (osarch.equals("amd64")) {
|
|
osarch = "x86_64";
|
|
}
|
|
|
|
encodeDataPair(data, "osname", osname);
|
|
encodeDataPair(data, "osarch", osarch);
|
|
encodeDataPair(data, "osversion", osversion);
|
|
encodeDataPair(data, "cores", Integer.toString(coreCount));
|
|
encodeDataPair(data, "online-mode", Boolean.toString(onlineMode));
|
|
encodeDataPair(data, "java_version", java_version);
|
|
|
|
// If we're pinging, append it
|
|
if (isPing) {
|
|
encodeDataPair(data, "ping", "true");
|
|
}
|
|
|
|
// Acquire a lock on the graphs, which lets us make the assumption we also lock everything
|
|
// inside of the graph (e.g plotters)
|
|
synchronized (graphs) {
|
|
|
|
for (Graph graph : graphs) {
|
|
for (Plotter plotter : graph.getPlotters()) {
|
|
// The key name to send to the metrics server
|
|
// The format is C-GRAPHNAME-PLOTTERNAME where separator - is defined at the top
|
|
// Legacy (R4) submitters use the format Custom%s, or CustomPLOTTERNAME
|
|
final String key = String.format("C%s%s%s%s", CUSTOM_DATA_SEPARATOR, graph.getName(), CUSTOM_DATA_SEPARATOR, plotter.getColumnName());
|
|
|
|
// The value to send, which for the foreseeable future is just the string
|
|
// value of plotter.getValue()
|
|
final String value = Integer.toString(plotter.getValue());
|
|
|
|
// Add it to the http post data :)
|
|
encodeDataPair(data, key, value);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Create the url
|
|
URL url = new URL(BASE_URL + String.format(REPORT_URL, encode(pluginName)));
|
|
|
|
// Connect to the website
|
|
URLConnection connection;
|
|
|
|
// Mineshafter creates a socks proxy, so we can safely bypass it
|
|
// It does not reroute POST requests so we need to go around it
|
|
if (isMineshafterPresent()) {
|
|
connection = url.openConnection(Proxy.NO_PROXY);
|
|
} else {
|
|
connection = url.openConnection();
|
|
}
|
|
|
|
connection.setDoOutput(true);
|
|
|
|
// Write the data
|
|
final OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
|
|
writer.write(data.toString());
|
|
writer.flush();
|
|
|
|
// Now read the response
|
|
final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
|
|
final String response = reader.readLine();
|
|
|
|
// close resources
|
|
writer.close();
|
|
reader.close();
|
|
|
|
if (response == null || response.startsWith("ERR")) {
|
|
throw new IOException(response); //Throw the exception
|
|
} else {
|
|
// Is this the first update this hour?
|
|
if (response.contains("OK This is your first update this hour")) {
|
|
synchronized (graphs) {
|
|
|
|
for (Graph graph : graphs) {
|
|
for (Plotter plotter : graph.getPlotters()) {
|
|
plotter.reset();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if mineshafter is present. If it is, we need to bypass it to send POST requests
|
|
*
|
|
* @return true if mineshafter is installed on the server
|
|
*/
|
|
private static boolean isMineshafterPresent() {
|
|
try {
|
|
Class.forName("mineshafter.MineServer");
|
|
return true;
|
|
} catch (Exception e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* <p>Encode a key/value data pair to be used in a HTTP post request. This INCLUDES a & so the first
|
|
* key/value pair MUST be included manually, e.g:</p>
|
|
* <code>
|
|
* StringBuffer data = new StringBuffer();
|
|
* data.append(encode("guid")).append('=').append(encode(guid));
|
|
* encodeDataPair(data, "version", description.getVersion());
|
|
* </code>
|
|
*
|
|
* @param buffer the stringbuilder to append the data pair onto
|
|
* @param key the key value
|
|
* @param value the value
|
|
*/
|
|
private static void encodeDataPair(final StringBuilder buffer, final String key, final String value) throws UnsupportedEncodingException {
|
|
buffer.append('&').append(encode(key)).append('=').append(encode(value));
|
|
}
|
|
|
|
/**
|
|
* Encode text as UTF-8
|
|
*
|
|
* @param text the text to encode
|
|
* @return the encoded text, as UTF-8
|
|
*/
|
|
private static String encode(final String text) throws UnsupportedEncodingException {
|
|
return URLEncoder.encode(text, "UTF-8");
|
|
}
|
|
|
|
/**
|
|
* Represents a custom graph on the website
|
|
*/
|
|
public static class Graph {
|
|
|
|
/**
|
|
* The graph's name, alphanumeric and spaces only :)
|
|
* If it does not comply to the above when submitted, it is rejected
|
|
*/
|
|
private final String name;
|
|
|
|
/**
|
|
* The set of plotters that are contained within this graph
|
|
*/
|
|
private final Set<Plotter> plotters = new LinkedHashSet<Plotter>();
|
|
|
|
private Graph(final String name) {
|
|
this.name = name;
|
|
}
|
|
|
|
/**
|
|
* Gets the graph's name
|
|
*
|
|
* @return the Graph's name
|
|
*/
|
|
public String getName() {
|
|
return name;
|
|
}
|
|
|
|
/**
|
|
* Add a plotter to the graph, which will be used to plot entries
|
|
*
|
|
* @param plotter the plotter to add to the graph
|
|
*/
|
|
public void addPlotter(final Plotter plotter) {
|
|
plotters.add(plotter);
|
|
}
|
|
|
|
/**
|
|
* Remove a plotter from the graph
|
|
*
|
|
* @param plotter the plotter to remove from the graph
|
|
*/
|
|
public void removePlotter(final Plotter plotter) {
|
|
plotters.remove(plotter);
|
|
}
|
|
|
|
/**
|
|
* Gets an <b>unmodifiable</b> set of the plotter objects in the graph
|
|
*
|
|
* @return an unmodifiable {@link 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 Metrics 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 name.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();
|
|
}
|
|
|
|
}
|
|
|
|
} |