SteamWar/ProtocolLib
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Updated Metrics to version 6.

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Dieser Commit ist enthalten in:
Kristian S. Stangeland 2013-01-02 20:16:53 +01:00
Ursprung f995accd0c
Commit 711ffb1db7
2 geänderte Dateien mit 179 neuen und 79 gelöschten Zeilen
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143
ProtocolLib/src/main/java/com/comphenix/protocol/metrics/Metrics.java
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@ -70,85 +70,73 @@ import java.util.UUID;
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>
* <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 addCustomData(BukkitMetrics.Plotter plotter); <br/>
* void start(); <br/>
* </code>
*/
class Metrics {
public class Metrics {
/**
* The current revision number
*/
private final static int REVISION = 5;
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.
* 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();
/**
* Id of the scheduled task
* The scheduled task
*/
private volatile int taskId = -1;
private volatile Scheduling.TaskWrapper task = null;
public Metrics(final Plugin plugin) throws IOException {
if (plugin == null) {
@ -164,6 +152,7 @@ class Metrics {
// 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) {
@ -173,11 +162,12 @@ class Metrics {
// 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.
* 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
@ -198,7 +188,7 @@ class Metrics {
}
/**
* Add a Graph object to Metrics that represents data for the plugin that should be sent to the backend
* 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
*/
@ -228,13 +218,12 @@ class Metrics {
}
/**
* 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.
* 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.
*/
@SuppressWarnings("deprecation")
public boolean start() {
synchronized (optOutLock) {
// Did we opt out?
@ -243,12 +232,12 @@ class Metrics {
}
// Is metrics already running?
if (taskId >= 0) {
if (task != null) {
return true;
}
// Begin hitting the server with glorious data
taskId = plugin.getServer().getScheduler().scheduleAsyncRepeatingTask(plugin, new Runnable() {
task = Scheduling.runAsynchronously(plugin, new Runnable() {
private boolean firstPost = true;
@ -257,9 +246,9 @@ class Metrics {
// 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() && taskId > 0) {
plugin.getServer().getScheduler().cancelTask(taskId);
taskId = -1;
if (isOptOut() && task != null) {
task.cancel();
task = null;
// Tell all plotters to stop gathering information.
for (Graph graph : graphs) {
graph.onOptOut();
@ -276,9 +265,11 @@ class Metrics {
// 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;
@ -296,10 +287,14 @@ class Metrics {
// 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);
@ -309,7 +304,7 @@ class Metrics {
/**
* Enables metrics for the server by setting "opt-out" to false in the config file and starting the metrics task.
*
* @throws IOException
* @throws java.io.IOException
*/
public void enable() throws IOException {
// This has to be synchronized or it can collide with the check in the task.
@ -321,7 +316,7 @@ class Metrics {
}
// Enable Task, if it is not running
if (taskId < 0) {
if (task == null) {
start();
}
}
@ -330,7 +325,7 @@ class Metrics {
/**
* Disables metrics for the server by setting "opt-out" to true in the config file and canceling the metrics task.
*
* @throws IOException
* @throws java.io.IOException
*/
public void disable() throws IOException {
// This has to be synchronized or it can collide with the check in the task.
@ -342,9 +337,9 @@ class Metrics {
}
// Disable Task, if it is running
if (taskId > 0) {
this.plugin.getServer().getScheduler().cancelTask(taskId);
taskId = -1;
if (task != null) {
task.cancel();
task = null;
}
}
}
@ -370,17 +365,45 @@ class Metrics {
* Generic method that posts a plugin to the metrics website
*/
private void postPlugin(final boolean isPing) throws IOException {
// The plugin's description file containg all of the plugin data such as name, version, author, etc
final PluginDescriptionFile description = plugin.getDescription();
// 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();
// 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", description.getVersion());
encodeDataPair(data, "server", Bukkit.getVersion());
encodeDataPair(data, "players", Integer.toString(Bukkit.getServer().getOnlinePlayers().length));
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");
@ -411,7 +434,7 @@ class Metrics {
}
// Create the url
URL url = new URL(BASE_URL + String.format(REPORT_URL, encode(plugin.getDescription().getName())));
URL url = new URL(BASE_URL + String.format(REPORT_URL, encode(pluginName)));
// Connect to the website
URLConnection connection;
@ -474,8 +497,8 @@ class Metrics {
}
/**
* <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>
* <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));
@ -506,11 +529,10 @@ class Metrics {
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
* 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
*/
@ -550,7 +572,7 @@ class Metrics {
/**
* Gets an <b>unmodifiable</b> set of the plotter objects in the graph
*
* @return an unmodifiable {@link Set} of the plotter objects
* @return an unmodifiable {@link java.util.Set} of the plotter objects
*/
public Set<Plotter> getPlotters() {
return Collections.unmodifiableSet(plotters);
@ -572,11 +594,10 @@ class Metrics {
}
/**
* Called when the server owner decides to opt-out of Metrics while the server is running.
* Called when the server owner decides to opt-out of BukkitMetrics while the server is running.
*/
protected void onOptOut() {
}
}
/**
@ -606,10 +627,9 @@ class Metrics {
}
/**
* 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.
* 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.
*/
@ -644,6 +664,5 @@ class Metrics {
final Plotter plotter = (Plotter) object;
return plotter.name.equals(name) && plotter.getValue() == getValue();
}
}
}

81
ProtocolLib/src/main/java/com/comphenix/protocol/metrics/Scheduling.java Normale Datei
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@ -0,0 +1,81 @@
package com.comphenix.protocol.metrics;
import org.bukkit.plugin.Plugin;
import org.bukkit.scheduler.BukkitScheduler;
import org.bukkit.scheduler.BukkitTask;
/**
* Allows us to stay backwards compatible with older versions of Bukkit.
*
* @author Kristian
*/
class Scheduling {
/**
* Represents a backwards compatible Bukkit task.
*/
public static interface TaskWrapper {
/**
* Cancel the current task.
*/
public void cancel();
}
/**
* Schedule a given task for asynchronous execution.
* @param plugin - the owner plugin.
* @param runnable - the task to run.
* @param firstDelay - the amount of time to wait until executing the task for the first time.
* @param repeatDelay - the amount of time inbetween each execution. If less than zero, the task is only executed once.
* @return A cancel token.
*/
public static TaskWrapper runAsynchronously(final Plugin plugin, Runnable runnable, long firstDelay, long repeatDelay) {
return runAsynchronously(plugin, plugin.getServer().getScheduler(), runnable, firstDelay, repeatDelay);
}
/**
* Schedule a given task for asynchronous execution.
* @param plugin - the owner plugin.
* @param scheduler - the current Bukkit scheduler.
* @param runnable - the task to run.
* @param firstDelay - the amount of time to wait until executing the task for the first time.
* @param repeatDelay - the amount of time inbetween each execution. If less than zero, the task is only executed once.
* @return A cancel token.
*/
public static TaskWrapper runAsynchronously(final Plugin plugin, final BukkitScheduler scheduler, Runnable runnable, long firstDelay, long repeatDelay) {
try {
@SuppressWarnings("deprecation")
final int taskID = scheduler.scheduleAsyncRepeatingTask(plugin, runnable, firstDelay, repeatDelay);
// Return the cancellable object
return new TaskWrapper() {
@Override
public void cancel() {
scheduler.cancelTask(taskID);
}
};
} catch (NoSuchMethodError e) {
return tryUpdatedVersion(plugin, scheduler, runnable, firstDelay, repeatDelay);
}
}
/**
* Attempt to do the same with the updated scheduling method.
* @param plugin - the owner plugin.
* @param scheduler - the current Bukkit scheduler.
* @param runnable - the task to run.
* @param firstDelay - the amount of time to wait until executing the task for the first time.
* @param repeatDelay - the amount of time inbetween each execution. If less than zero, the task is only executed once.
* @return A cancel token.
*/
private static TaskWrapper tryUpdatedVersion(final Plugin plugin, final BukkitScheduler scheduler, Runnable runnable, long firstDelay, long repeatDelay) {
final BukkitTask task = scheduler.runTaskTimerAsynchronously(plugin, runnable, firstDelay, repeatDelay);
return new TaskWrapper() {
@Override
public void cancel() {
task.cancel();
}
};
}
}