Skip to content
Navigation Menu
{{ message }}
forked from dianping/cat
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathCat.java
More file actions
698 lines (596 loc) · 22.4 KB
/
Copy pathCat.java
File metadata and controls
698 lines (596 loc) · 22.4 KB
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
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
/*
* Copyright (c) 2011-2018, Meituan Dianping. All Rights Reserved.
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.dianping.cat;
import com.dianping.cat.analyzer.MetricTagAggregator;
import com.dianping.cat.analyzer.TransactionAggregator;
import com.dianping.cat.configuration.ApplicationEnvironment;
import com.dianping.cat.configuration.ClientConfigProvider;
import com.dianping.cat.configuration.client.entity.ClientConfig;
import com.dianping.cat.configuration.client.entity.Server;
import com.dianping.cat.configuration.client.transform.DefaultSaxParser;
import com.dianping.cat.log.CatLogger;
import com.dianping.cat.message.Trace;
import com.dianping.cat.message.internal.*;
import com.dianping.cat.util.Properties;
import com.dianping.cat.util.StringUtils;
import com.dianping.cat.util.Threads;
import com.dianping.cat.analyzer.EventAggregator;
import com.dianping.cat.analyzer.LocalAggregator;
import com.dianping.cat.message.Event;
import com.dianping.cat.message.MessageProducer;
import com.dianping.cat.message.Transaction;
import com.dianping.cat.message.io.TcpSocketSender;
import com.dianping.cat.message.spi.MessageManager;
import com.dianping.cat.message.spi.MessageTree;
import com.dianping.cat.status.StatusUpdateTask;
import java.util.Iterator;
import java.util.Map;
import java.util.ServiceLoader;
public class Cat {
private static MessageProducer producer;
private static MessageManager manager;
private static int errorCount;
private static final Cat instance = new Cat();
private static volatile boolean init = false;
private static volatile boolean enabled = true;
private static volatile boolean JSTACK_ENABLED = true;
private static volatile boolean MULTI_INSTANCES = false;
private static volatile boolean DATASOURCE_MONITOR_ENABLED = true;
public final static String CLIENT_CONFIG = "cat-client-config";
public final static String UNKNOWN = "unknown";
public static boolean isJstackEnabled() {
String enable = Properties.forString().fromEnv().fromSystem().getProperty("jstack_enable", "true");
return JSTACK_ENABLED && Boolean.valueOf(enable);
}
private static void checkAndInitialize() {
try {
if (!init) {
ClientConfig clientConfig = getSpiClientConfig();
if (clientConfig == null) {
initializeInternal();
} else {
initializeInternal(clientConfig);
}
}
} catch (Exception e) {
errorHandler(e);
}
}
private static ClientConfig getSpiClientConfig() {
ServiceLoader<ClientConfigProvider> clientConfigProviders = ServiceLoader.load(ClientConfigProvider.class);
if (clientConfigProviders == null) {
return null;
}
Iterator<ClientConfigProvider> iterator = clientConfigProviders.iterator();
if (iterator.hasNext()){
//只支持一个ClientConfigProvider的实现，默认取查询结果第一个
ClientConfigProvider clientConfigProvider = (ClientConfigProvider)iterator.next();
return clientConfigProvider.getClientConfig();
} else {
return null;
}
}
public static String createMessageId() {
if (isEnabled()) {
try {
return Cat.getProducer().createMessageId();
} catch (Exception e) {
errorHandler(e);
return NullMessageProducer.NULL_MESSAGE_PRODUCER.createMessageId();
}
} else {
return NullMessageProducer.NULL_MESSAGE_PRODUCER.createMessageId();
}
}
public static void enable() {
enabled = true;
}
public static void disable() {
enabled = false;
}
/**
* disable datasource auto monitor
*/
public static void disableDataSourceMonitor() {
DATASOURCE_MONITOR_ENABLED = false;
}
public static void disableJstack() {
JSTACK_ENABLED = false;
}
public static void disableMultiInstances() {
MULTI_INSTANCES = false;
}
public static void enableMultiInstances() {
MULTI_INSTANCES = true;
}
private static void errorHandler(Exception e) {
if (isEnabled() && errorCount < 3) {
errorCount++;
CatLogger.getInstance().error(e.getMessage(), e);
}
}
public static String getCatHome() {
return Properties.forString().fromEnv().fromSystem().getProperty("CAT_HOME", "/data/appdatas/cat/");
}
public static String getCurrentMessageId() {
if (isEnabled()) {
try {
MessageTree tree = Cat.getManager().getThreadLocalMessageTree();
if (tree != null) {
String messageId = tree.getMessageId();
if (messageId == null) {
messageId = Cat.getProducer().createMessageId();
tree.setMessageId(messageId);
}
return messageId;
} else {
return null;
}
} catch (Exception e) {
errorHandler(e);
return NullMessageProducer.NULL_MESSAGE_PRODUCER.createMessageId();
}
} else {
return NullMessageProducer.NULL_MESSAGE_PRODUCER.createMessageId();
}
}
private static String getCustomDomain() {
String config = System.getProperty(Cat.CLIENT_CONFIG);
if (StringUtils.isNotEmpty(config)) {
try {
ClientConfig clientConfig = DefaultSaxParser.parse(config);
return clientConfig.getDomain();
} catch (Exception e) {
// ignore
}
}
return null;
}
public static Cat getInstance() {
return instance;
}
public static MessageManager getManager() {
try {
checkAndInitialize();
if (manager != null) {
return manager;
} else {
return NullMessageManager.NULL_MESSAGE_MANAGER;
}
} catch (Exception e) {
errorHandler(e);
return NullMessageManager.NULL_MESSAGE_MANAGER;
}
}
public static MessageProducer getProducer() {
try {
checkAndInitialize();
if (producer != null) {
return producer;
} else {
return NullMessageProducer.NULL_MESSAGE_PRODUCER;
}
} catch (Exception e) {
errorHandler(e);
return NullMessageProducer.NULL_MESSAGE_PRODUCER;
}
}
public static void initialize() {
checkAndInitialize();
}
public static void initialize(String... servers) {
if (isEnabled() && !init) {
try {
ClientConfig config = new ClientConfig();
for (String server : servers) {
config.addServer(new Server(server));
}
final String domain = ApplicationEnvironment.loadAppName(UNKNOWN);
config.setDomain(domain);
initializeInternal(config);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void initializeByDomain(String domain) {
if (isEnabled() && !init) {
try {
String domainName = ApplicationEnvironment.loadAppName(domain);
ClientConfig config = ApplicationEnvironment.loadClientConfig(domainName);
initializeInternal(config);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void initializeByDomain(String domain, int port, int httpPort, String... servers) {
if (isEnabled() && !init) {
try {
ClientConfig config = new ClientConfig();
config.setDomain(ApplicationEnvironment.loadAppName(domain));
for (String server : servers) {
Server serverObj = new Server(server);
serverObj.setHttpPort(httpPort);
serverObj.setPort(port);
config.addServer(serverObj);
}
initializeInternal(config);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void initializeByDomain(String domain, String... servers) {
if (isEnabled() && !init) {
try {
initializeByDomain(domain, 2280, 8080, servers);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void initializeByDomainForce(String domain) {
if (isEnabled() && !init) {
try {
ClientConfig config = ApplicationEnvironment.loadClientConfig(domain);
initializeInternal(config);
} catch (Exception e) {
errorHandler(e);
}
}
}
private static void initializeInternal() {
validate();
if (isEnabled()) {
try {
if (!init) {
synchronized (instance) {
if (!init) {
producer = DefaultMessageProducer.getInstance();
manager = DefaultMessageManager.getInstance();
StatusUpdateTask heartbeatTask = new StatusUpdateTask();
TcpSocketSender messageSender = TcpSocketSender.getInstance();
Threads.forGroup("cat").start(heartbeatTask);
Threads.forGroup("cat").start(messageSender);
Threads.forGroup("cat").start(new LocalAggregator.DataUploader());
CatLogger.getInstance().info("Cat is lazy initialized!");
init = true;
}
}
}
} catch (Exception e) {
errorHandler(e);
disable();
}
}
}
private static void initializeInternal(ClientConfig config) {
if (isEnabled()) {
System.setProperty(Cat.CLIENT_CONFIG, config.toString());
CatLogger.getInstance().info("init cat with config:" + config.toString());
initializeInternal();
}
}
public static boolean isDataSourceMonitorEnabled() {
return DATASOURCE_MONITOR_ENABLED;
}
public static boolean isEnabled() {
return enabled;
}
public static boolean isInitialized() {
return init;
}
public static boolean isMultiInstanceEnable() {
return MULTI_INSTANCES;
}
/**
* Log batch event in one shot with SUCCESS status.
*
* @param type event type
* @param name event name
* @param error error count
* @param count total count , failure% = error/total
*/
public static void logBatchEvent(String type, String name, int count, int error) {
if (isEnabled()) {
try {
EventAggregator.getInstance().logBatchEvent(type, name, count, error);
} catch (Exception e) {
errorHandler(e);
}
}
}
/**
* log batch transaction with type name
*
* @param type transaction type
* @param name transaction name
* @param error error count
* @param count total count, failure% = error/total
* @param sum avg = sum/total sum in milliseconds
*/
public static void logBatchTransaction(String type, String name, int count, int error, long sum) {
if (isEnabled()) {
TransactionAggregator.getInstance().logBatchTransaction(type, name, count, error, sum);
}
}
public static void logError(String message, Throwable cause) {
if (isEnabled()) {
try {
Cat.getProducer().logError(message, cause);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void logError(Throwable cause) {
if (isEnabled()) {
try {
Cat.getProducer().logError(cause);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void logErrorWithCategory(String category, String message, Throwable cause) {
if (isEnabled()) {
try {
Cat.getProducer().logErrorWithCategory(category, message, cause);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void logErrorWithCategory(String category, Throwable cause) {
if (isEnabled()) {
try {
Cat.getProducer().logErrorWithCategory(category, cause);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void logEvent(String type, String name) {
if (isEnabled()) {
try {
Cat.getProducer().logEvent(type, name);
} catch (Exception e) {
errorHandler(e);
}
}
}
/**
* Log an event in one shot.
*
* @param type event type
* @param name event name
* @param status "0" means success, otherwise means error code
* @param nameValuePairs name value pairs in the format of "a=1&b=2&..."
*/
public static void logEvent(String type, String name, String status, String nameValuePairs) {
if (isEnabled()) {
try {
Cat.getProducer().logEvent(type, name, status, nameValuePairs);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void logMetricForCount(String name) {
logMetricForCount(name, null);
}
public static void logMetricForCount(String name, int quantity) {
logMetricForCount(name, quantity, null);
}
public static void logMetricForCount(String name, int quantity, Map<String, String> tags) {
if (isEnabled()) {
checkAndInitialize();
try {
MetricTagAggregator.getInstance().addCountMetric(name, quantity, tags);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void logMetricForCount(String name, Map<String, String> tags) {
if (isEnabled()) {
checkAndInitialize();
try {
MetricTagAggregator.getInstance().addCountMetric(name, 1, tags);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void logMetricForDuration(String name, long durationInMillis) {
logMetricForDuration(name, durationInMillis, null);
}
public static void logMetricForDuration(String name, long durationInMillis, Map<String, String> tags) {
if (isEnabled()) {
checkAndInitialize();
try {
MetricTagAggregator.getInstance().addTimerMetric(name, durationInMillis, tags);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void logRemoteCallClient(Context ctx) {
if (isEnabled()) {
try {
logRemoteCallClient(ctx, "default");
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void logRemoteCallClient(Context ctx, String domain) {
if (isEnabled()) {
try {
MessageTree tree = Cat.getManager().getThreadLocalMessageTree();
String messageId = tree.getMessageId();
if (messageId == null) {
messageId = Cat.getProducer().createMessageId();
tree.setMessageId(messageId);
}
String childId = Cat.getProducer().createRpcServerId(domain);
Cat.logEvent(CatConstants.TYPE_REMOTE_CALL, "", Event.SUCCESS, childId);
String root = tree.getRootMessageId();
if (root == null) {
root = messageId;
}
ctx.addProperty(Context.ROOT, root);
ctx.addProperty(Context.PARENT, messageId);
ctx.addProperty(Context.CHILD, childId);
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void logRemoteCallServer(Context ctx) {
if (isEnabled()) {
try {
MessageTree tree = Cat.getManager().getThreadLocalMessageTree();
String childId = ctx.getProperty(Context.CHILD);
String rootId = ctx.getProperty(Context.ROOT);
String parentId = ctx.getProperty(Context.PARENT);
if (parentId != null) {
tree.setParentMessageId(parentId);
}
if (rootId != null) {
tree.setRootMessageId(rootId);
}
if (childId != null) {
tree.setMessageId(childId);
}
} catch (Exception e) {
errorHandler(e);
}
}
}
public static void newCompletedTransactionWithDuration(String type, String name, long duration) {
if (isEnabled()) {
try {
final Transaction transaction = Cat.getProducer().newTransaction(type, name);
try {
transaction.setDurationInMillis(duration);
if (duration > 0 && duration < 60 * 1000) {
transaction.setTimestamp(System.currentTimeMillis() - duration);
}
transaction.setStatus(Transaction.SUCCESS);
} catch (Exception e) {
transaction.setStatus(e);
} finally {
transaction.complete();
}
} catch (Exception e) {
errorHandler(e);
}
}
}
public static Event newEvent(String type, String name) {
if (isEnabled()) {
try {
return Cat.getProducer().newEvent(type, name);
} catch (Exception e) {
errorHandler(e);
return NullMessage.EVENT;
}
} else {
return NullMessage.EVENT;
}
}
public static Trace newTrace(String type, String name) {
if (isEnabled()) {
try {
return Cat.getProducer().newTrace(type, name);
} catch (Exception e) {
errorHandler(e);
return NullMessage.TRACE;
}
} else {
return NullMessage.TRACE;
}
}
/**
* Create a new transaction with given type and name.
*
* @param type transaction type
* @param name transaction name
*/
public static Transaction newTransaction(String type, String name) {
if (isEnabled()) {
try {
return Cat.getProducer().newTransaction(type, name);
} catch (Exception e) {
errorHandler(e);
return NullMessage.TRANSACTION;
}
} else {
return NullMessage.TRANSACTION;
}
}
/**
* Create a new transaction with given type and name and duration, duration time in millisecond
*
* @param type transaction type
* @param name transaction name
*/
public static Transaction newTransactionWithDuration(String type, String name, long duration) {
if (isEnabled()) {
try {
final Transaction transaction = Cat.getProducer().newTransaction(type, name);
transaction.setDurationInMillis(duration);
if (duration < 60 * 1000) {
transaction.setTimestamp(System.currentTimeMillis() - duration);
}
return transaction;
} catch (Exception e) {
errorHandler(e);
return NullMessage.TRANSACTION;
}
} else {
return NullMessage.TRANSACTION;
}
}
private static void validate() {
String enable = Properties.forString().fromEnv().fromSystem().getProperty("CAT_ENABLED", "true");
if ("false".equals(enable)) {
CatLogger.getInstance().info("CAT is disable due to system environment CAT_ENABLED is false.");
enabled = false;
} else {
String customDomain = getCustomDomain();
if (customDomain == null && UNKNOWN.equals(ApplicationEnvironment.loadAppName(UNKNOWN))) {
CatLogger.getInstance().info("CAT is disable due to no app name in resource file /META-INF/app.properties");
enabled = false;
}
}
}
private Cat() {
}
public interface Context {
String ROOT = "_catRootMessageId";
String PARENT = "_catParentMessageId";
String CHILD = "_catChildMessageId";
String DISCARD = "_catDiscard";
void addProperty(String key, String value);
String getProperty(String key);
}
}
You can’t perform that action at this time.