-
-
Notifications
You must be signed in to change notification settings - Fork 87
/
BStatsMetricsLite.java
328 lines (286 loc) · 12.7 KB
/
BStatsMetricsLite.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
package org.mcmonkey.sentinel.metrics;
import org.bukkit.Bukkit;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.RegisteredServiceProvider;
import org.bukkit.plugin.ServicePriority;
import org.json.JSONArray;
import org.json.JSONObject;
import javax.net.ssl.HttpsURLConnection;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URL;
import java.util.Collection;
import java.util.Timer;
import java.util.TimerTask;
import java.util.UUID;
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 BStatsMetricsLite {
// 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";
// Is bStats enabled on this server?
private boolean enabled;
// Should failed requests be logged?
private static boolean logFailedRequests;
// Should the sent data be logged?
private static boolean logSentData;
// Should the response text be logged?
private static boolean logResponseStatusText;
// The uuid of the server
private static String serverUUID;
// The plugin
private final Plugin plugin;
/**
* Class constructor.
*
* @param plugin The plugin which stats should be submitted.
*/
public BStatsMetricsLite(Plugin 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);
// Should the sent data be logged?
config.addDefault("logSentData", false);
// Should the response text be logged?
config.addDefault("logResponseStatusText", 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);
enabled = config.getBoolean("enabled", true);
if (enabled) {
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(BStatsMetricsLite.class, this, plugin, ServicePriority.Normal);
if (!found) {
// We are the first!
startSubmitting();
}
}
}
/**
* 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();
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 = Bukkit.getVersion();
// 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.put(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(plugin, 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 plugin Any plugin. It's just used to get a logger instance.
* @param data The data to send.
* @throws Exception If the request failed.
*/
private static void sendData(Plugin plugin, 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!");
}
if (logSentData) {
plugin.getLogger().info("Sending data to bStats: " + data.toString());
}
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();
InputStream inputStream = connection.getInputStream();
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
StringBuilder builder = new StringBuilder();
String line;
while ((line = bufferedReader.readLine()) != null) {
builder.append(line);
}
bufferedReader.close();
if (logResponseStatusText) {
plugin.getLogger().info("Sent data to bStats and received response: " + builder.toString());
}
}
/**
* 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();
}
}