1 | /* |
2 | * Copyright 2010 Eric Caspole |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this |
5 | * file except in compliance with the License. You may obtain a copy of the License at |
6 | * |
7 | * http://www.apache.org/licenses/LICENSE-2.0 |
8 | * |
9 | * Unless required by applicable law or agreed to in writing, software distributed under |
10 | * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
11 | * KIND, either express or implied. See the License for the specific language governing |
12 | * permissions and limitations under the License. |
13 | */ |
14 | |
15 | package net.sf.madmap; |
16 | |
17 | import java.io.*; |
18 | import java.net.*; |
19 | import java.util.*; |
20 | import java.util.concurrent.*; |
21 | |
22 | public class BinaryDumpReader implements IHprofReader { |
23 | String _fileName; |
24 | FileInputStream _fis; |
25 | DataInputStream _dis; |
26 | BufferedInputStream _bis; |
27 | |
28 | int _identifierSize = 0; |
29 | boolean _done; |
30 | HashMap<Long,String> _stringTable = new HashMap<Long,String>(); |
31 | |
32 | Madmap _owner = null; |
33 | |
34 | ConcurrentHashMap<HprofHeapAllocation,HprofHeapAllocation> _heap_objects_table = null; |
35 | ConcurrentHashMap _stack_trace_table = null; |
36 | ConcurrentHashMap _threads_list = null; |
37 | Vector _roots_list = null; |
38 | ConcurrentHashMap<HprofClassElement,HprofClassElement> _class_list = null; |
39 | |
40 | boolean _verbose = false; |
41 | |
42 | static final int STRING = 1; |
43 | static final int LOAD_CLASS = 2; |
44 | static final int UNLOAD_CLASS = 3; |
45 | static final int STACK_FRAME = 4; |
46 | static final int STACK_TRACE = 5; |
47 | static final int HEAP_DUMP = 12; |
48 | static final int HEAP_DUMP_SEGMENT = 0x1c; |
49 | static final int HEAP_DUMP_END = 0x2c; |
50 | |
51 | static final int ROOT_UNKNOWN = -1; |
52 | static final int ROOT_JNI_GLOBAL = 1; |
53 | static final int ROOT_JNI_LOCAL = 2; |
54 | static final int ROOT_JAVA_FRAME = 3; |
55 | static final int ROOT_NATIVE_STACK = 4; |
56 | static final int ROOT_STICKY_CLASS = 5; |
57 | static final int ROOT_THREAD_BLOCK = 6; |
58 | static final int ROOT_MONITOR_USED = 7; |
59 | static final int ROOT_THREAD_OBJECT = 8; |
60 | |
61 | static final int CLASS_DUMP = 0x20; |
62 | static final int INSTANCE_DUMP = 0x21; |
63 | static final int OBJ_ARRAY_DUMP = 0x22; |
64 | static final int PRIM_ARRAY_DUMP = 0x23; |
65 | |
66 | ILogger _logger; |
67 | public void setLogger( ILogger logger ) { _logger = logger; } |
68 | |
69 | public BinaryDumpReader() {} |
70 | |
71 | public void parse( Madmap owner, String fileName) { |
72 | _owner = owner; |
73 | _fileName = fileName; |
74 | _fis = openHprofFile(_fileName); |
75 | _bis = new BufferedInputStream( _fis ); |
76 | _dis = new DataInputStream( _bis ); |
77 | _done = false; |
78 | |
79 | _heap_objects_table = owner.getObjects(); |
80 | _stack_trace_table = owner.getStackTraces(); |
81 | _threads_list = owner.getThreads(); |
82 | _roots_list = owner.getRoots(); |
83 | _class_list = owner.getClasses(); |
84 | go(); |
85 | } |
86 | |
87 | public static FileInputStream openHprofFile(String fileName) |
88 | { |
89 | FileInputStream fis; |
90 | |
91 | try { |
92 | fis = new FileInputStream(fileName); |
93 | return fis; |
94 | } catch ( Exception ie ) { |
95 | System. out. println ( "Error opening file : Caught " + ie ); |
96 | ie.printStackTrace(); |
97 | } |
98 | return null; |
99 | } |
100 | |
101 | |
102 | long getIdentifier() throws IOException { |
103 | if ( _identifierSize == 4 ) { |
104 | return (long)_dis.readInt(); |
105 | } else if ( _identifierSize == 8 ) { |
106 | return _dis.readLong(); |
107 | } else { |
108 | System. out. println ( "Unsupported _identifierSize = " + _identifierSize ); |
109 | System.exit(-1); |
110 | } |
111 | return 0; |
112 | } |
113 | |
114 | |
115 | public void handleString() throws java.io.IOException { |
116 | int time = _dis.readInt(); |
117 | int length = _dis.readInt(); |
118 | |
119 | if (MadmapMain.runDump()) { |
120 | System.out.println("length=" + length + " time=" + time ); |
121 | } |
122 | // stringId is included in length |
123 | long stringId = getIdentifier(); |
124 | byte[] rawBytes = new byte[ length - _identifierSize ]; |
125 | |
126 | int bytesRead = _dis.read( rawBytes ); |
127 | String body = new String( rawBytes ); |
128 | |
129 | _stringTable.put(stringId, body.intern()); |
130 | if (MadmapMain.runDump()) { |
131 | System. out. println ( "String: " + Long.toHexString( stringId ) + " " + body ); |
132 | } |
133 | } |
134 | |
135 | int _totalLoadClass = 0; |
136 | int _totalClass = 0; |
137 | |
138 | public void handleLoadClass() throws java.io.IOException { |
139 | int time = _dis.readInt(); |
140 | int length = _dis.readInt(); |
141 | |
142 | int serialNum = _dis.readInt(); |
143 | long objId = getIdentifier(); |
144 | int stkTrc = _dis.readInt(); |
145 | long classNameStringId = getIdentifier(); |
146 | |
147 | String className = (String) _stringTable.get(classNameStringId); |
148 | assert className != null : "no class name?"; |
149 | className = className.intern(); |
150 | |
151 | ++_totalLoadClass; |
152 | if (MadmapMain.runDump()) { |
153 | System. out. println ( "Load Class: " + Long.toHexString( objId ) + " " + className + " " + (_totalLoadClass)); |
154 | } |
155 | |
156 | HprofClassElement loadClass = new HprofBinClassElement(objId, className); |
157 | _class_list.put(loadClass, loadClass); |
158 | } |
159 | |
160 | void handlePrimArray() throws java.io.IOException { |
161 | long id = getIdentifier(); |
162 | int stk = _dis.readInt(); |
163 | int sz = _dis.readInt(); |
164 | byte typ = _dis.readByte(); |
165 | |
166 | updateSizeRead(sz); |
167 | |
168 | if (MadmapMain.runDump()) { |
169 | System. out. println ( "prim array: 0x" + Long.toHexString( id ) + " stk: " + stk + " sz: " + sz + " type: " + typ ); |
170 | } |
171 | int typeSize = BasicTypeInfo.DUMMY.get(typ).getSize(); |
172 | // skip over elems |
173 | for ( int i = 0; i<(sz * typeSize); i++ ) { |
174 | byte b = _dis.readByte(); |
175 | } |
176 | |
177 | HprofArrayObject thisArray = new HprofArrayObject(id, BasicTypeInfo.DUMMY.get(typ).getName(), |
178 | stk, (sz*typeSize), sz, Madmap.getFakeArrayClass(BasicTypeInfo.DUMMY.get(typ).getName()), null); |
179 | _heap_objects_table.put(thisArray, thisArray); |
180 | } |
181 | |
182 | void handleObjArray() throws java.io.IOException { |
183 | long id = getIdentifier(); |
184 | int stk = _dis.readInt(); |
185 | int sz = _dis.readInt(); |
186 | long classId = getIdentifier(); |
187 | ArrayList<Long> elems = new ArrayList<Long>(); |
188 | |
189 | updateSizeRead(sz); |
190 | |
191 | for (int i=0; i<sz; i++) { |
192 | long ref = getIdentifier(); |
193 | // Dont include null refs to be more compatible with ascii dumps |
194 | if (ref != 0) { |
195 | elems.add(ref); |
196 | } |
197 | } |
198 | |
199 | HprofBinClassElement theClass = (HprofBinClassElement)_class_list.get(new HprofHeapElement(classId)); |
200 | //assert (theClass != null) || (sz == 0): "cant find non-zero length obj array class 0x" + Long.toHexString(classId); |
201 | |
202 | // FIX ME |
203 | if (theClass == null) { |
204 | if (MadmapMain.runDump()) { |
205 | System. out. println ("### obj array: 0x" + Long.toHexString(id) + " cant find obj array class 0x" + Long.toHexString(classId)); |
206 | } |
207 | String tmpName = "OBJECT_ARRAY"; |
208 | theClass = new HprofBinClassElement(classId, tmpName); |
209 | _class_list.put(theClass, theClass); |
210 | } |
211 | |
212 | if (MadmapMain.runDump()) { |
213 | System. out. println ( "obj array: 0x" + Long.toHexString( id ) + " sz: " + sz + " nelems: " + |
214 | elems.size() + " classId: 0x" + Long.toHexString(classId) + " " + theClass.className()); |
215 | } |
216 | |
217 | HprofArrayObject thisArray = new HprofArrayObject(id, theClass.className(), stk, (sz*_identifierSize), elems.size(), theClass, elems); |
218 | _heap_objects_table.put(thisArray, thisArray); |
219 | } |
220 | |
221 | |
222 | void handleObjInstance() throws java.io.IOException { |
223 | long id = getIdentifier(); |
224 | int stk = _dis.readInt(); |
225 | long classId = getIdentifier(); |
226 | int sz = _dis.readInt(); |
227 | //byte[] values = new byte[sz]; |
228 | |
229 | HprofBinClassElement theClass = (HprofBinClassElement)_class_list.get(new HprofHeapElement(classId)); |
230 | |
231 | assert theClass != null : "no class for obj " + id; |
232 | |
233 | ArrayList<Byte> type_info = theClass.getNonStaticTypeInfo(); |
234 | long instanceSize = theClass.instanceSize(); |
235 | |
236 | if (MadmapMain.runDump()) { |
237 | System. out. println ( "obj instance: 0x" + Long.toHexString( id ) + " stk: " + |
238 | Long.toHexString(stk) + " sz: " + sz + " class: " + theClass.className() + |
239 | " inst sz from class: " + instanceSize + " type:" + type_info); |
240 | } |
241 | |
242 | ArrayList names = null; |
243 | ArrayList refs = null; |
244 | |
245 | if (type_info != null && type_info.size() > 0) { |
246 | names = new ArrayList(); |
247 | refs = new ArrayList(); |
248 | int refCounter = 0; |
249 | for (int i=0; i<type_info.size(); i++) { |
250 | byte typeCode = type_info.get(i); |
251 | if (typeCode == 2) { |
252 | long ref = getIdentifier(); |
253 | if (ref != 0) { |
254 | refs.add(ref); |
255 | names.add(theClass.nonstatic_field_names().get(refCounter)); |
256 | } |
257 | refCounter++; |
258 | } else { |
259 | // skip over non-object fields |
260 | int fieldSize = BasicTypeInfo.DUMMY.get((int)typeCode).getSize(); |
261 | for ( int j = 0; j<fieldSize; j++ ) { |
262 | byte entryData = _dis.readByte(); |
263 | } |
264 | } |
265 | } |
266 | } |
267 | |
268 | HprofObject obj = new HprofObject( id, theClass.className(), theClass, sz, 0, names, refs); |
269 | _heap_objects_table.put(obj, obj); |
270 | |
271 | // check this later |
272 | if (names != null && names.size() > 0) { |
273 | obj.set_member_name_indexes(theClass.setNonstaticFieldNames(names)); |
274 | } |
275 | |
276 | if ( !MadmapMain.noGUI()) { |
277 | _owner.getWindow().getProgressBar().setValue(updateSizeRead(sz)); |
278 | _owner.getWindow().updateMemoryProgressBar(); |
279 | } |
280 | } |
281 | |
282 | |
283 | /** |
284 | * Load the class fields. When all the classes have been loaded, fill in |
285 | * the complete type info for each class instead of looking it up in |
286 | * each superclass later on. |
287 | * @throws java.io.IOException |
288 | */ |
289 | void handleClass() throws java.io.IOException { |
290 | long classId = getIdentifier(); |
291 | int stk = _dis.readInt(); |
292 | long superClassId = getIdentifier(); |
293 | long loaderId = getIdentifier(); |
294 | long signersId = getIdentifier(); |
295 | long protDomainId = getIdentifier(); |
296 | long res1 = getIdentifier(); |
297 | long res2 = getIdentifier(); |
298 | int instanceSize = _dis.readInt(); |
299 | long classNameStringId; |
300 | |
301 | ArrayList<Byte> instanceFieldTypes = null; |
302 | ArrayList<String> instanceFieldNames = null; |
303 | |
304 | // skip over cp entries |
305 | short cpCount = _dis.readShort(); |
306 | for ( int i = 0; i < cpCount; i++ ) { |
307 | short idx = _dis.readShort(); |
308 | byte b = _dis.readByte(); |
309 | int sz = BasicTypeInfo.DUMMY.get((int)b).getSize(); |
310 | for ( int j = 0; j<sz; j++ ) { |
311 | byte entryData = _dis.readByte(); |
312 | } |
313 | } |
314 | |
315 | ArrayList staticNames = new ArrayList(); |
316 | ArrayList staticRefs = new ArrayList(); |
317 | |
318 | { |
319 | // load static fields |
320 | short staticCount = _dis.readShort(); |
321 | int sz = -1; |
322 | for ( int i = 0; i < staticCount; i++ ) { |
323 | long fieldNameStrId = getIdentifier(); |
324 | byte b = _dis.readByte(); |
325 | assert b != 0 : "static field type should not be 0"; |
326 | |
327 | // fix this magic number |
328 | if (b == 2) { |
329 | long ref = getIdentifier(); |
330 | if (ref != 0) { |
331 | staticNames.add(_stringTable.get(fieldNameStrId)); |
332 | staticRefs.add(ref); |
333 | } |
334 | } else { |
335 | sz = BasicTypeInfo.DUMMY.get((int)b).getSize(); |
336 | for ( int j = 0; j<sz; j++ ) { |
337 | byte entryData = _dis.readByte(); |
338 | } |
339 | } |
340 | } |
341 | } |
342 | |
343 | ArrayList nonstaticNames = new ArrayList(); |
344 | |
345 | // load instance field names |
346 | short instanceFieldCount = _dis.readShort(); |
347 | if (instanceFieldCount > 0) { |
348 | instanceFieldTypes = new ArrayList<Byte>(); |
349 | instanceFieldNames = new ArrayList<String>(); |
350 | for ( int i = 0; i < instanceFieldCount; i++ ) { |
351 | long fieldNameStrId = getIdentifier(); |
352 | byte b = _dis.readByte(); |
353 | |
354 | assert (b>1) && (b<12) : "unknown typecode in instance field = " + b; |
355 | String s = _stringTable.get(fieldNameStrId); |
356 | assert s != null : "String for ref was null: " + fieldNameStrId; |
357 | |
358 | instanceFieldTypes.add(b); |
359 | instanceFieldNames.add(s); |
360 | |
361 | // Objects only |
362 | if (b == 2) { |
363 | nonstaticNames.add(s); |
364 | } |
365 | } |
366 | } |
367 | |
368 | ++_totalClass; |
369 | |
370 | assert _totalClass<=_totalLoadClass : "_totalClass > _totalLoadClass??"; |
371 | |
372 | HprofBinClassElement theClass = (HprofBinClassElement)_class_list.get(new HprofHeapElement(classId)); |
373 | if (theClass != null ) { |
374 | theClass.updateLoadClass(stk, instanceSize, superClassId, loaderId, staticNames, staticRefs); |
375 | |
376 | // Add all instance field type info, need it to parse the objects |
377 | if (instanceFieldTypes != null) { |
378 | theClass.setNonStaticTypeInfo(instanceFieldTypes); |
379 | } |
380 | |
381 | if (nonstaticNames.size() > 0) { |
382 | theClass.setNonstaticFieldNames(nonstaticNames); |
383 | } |
384 | |
385 | if (MadmapMain.runDump()) { |
386 | System. out. println ("class: 0x" + Long.toHexString( classId ) + " super: 0x" + Long.toHexString(superClassId) + " " + |
387 | theClass.className() + " instanceFieldCount: " + instanceFieldCount + " instanceFieldTypes: " + |
388 | instanceFieldTypes + " instanceSize: " + instanceSize + " " + (_totalClass)); |
389 | } |
390 | } else { |
391 | assert false : "no load class yet"; |
392 | } |
393 | |
394 | if (_totalClass == _totalLoadClass) { |
395 | if (MadmapMain.verbose()) { |
396 | System. out. println ("Found " + _totalClass + " classes in the heap dump."); |
397 | } |
398 | int i = 0; |
399 | |
400 | if ( !MadmapMain.noGUI()) { |
401 | _owner.getWindow().getProgressBar().setMaximum((int)_totalLoadClass); |
402 | _owner.getWindow().getLabelForProgressBar().setText("Building Class Info"); |
403 | } |
404 | |
405 | Collection<HprofClassElement> hoc = _class_list.values(); |
406 | Iterator<HprofClassElement> ihoc = hoc.iterator(); |
407 | while( ihoc.hasNext() ) { |
408 | HprofBinClassElement currClass = (HprofBinClassElement) ihoc.next(); |
409 | currClass.buildSuperTypeInfo(_class_list); |
410 | if ( !MadmapMain.noGUI()) { |
411 | _owner.getWindow().getProgressBar().setValue(i++); |
412 | } |
413 | } |
414 | } |
415 | if ( !MadmapMain.noGUI()) { |
416 | _owner.getWindow().getProgressBar().setMaximum((int)_heapDumpSize); |
417 | _owner.getWindow().getLabelForProgressBar().setText("Loading Objects"); |
418 | _owner.getWindow().updateMemoryProgressBar(); |
419 | } |
420 | } |
421 | |
422 | void handleThreadObject() throws java.io.IOException { |
423 | long id = getIdentifier(); |
424 | int thdNum = _dis.readInt(); |
425 | int stk = _dis.readInt(); |
426 | |
427 | if (MadmapMain.runDump()) { |
428 | System. out. println ( "thread object: 0x" + Long.toHexString( id ) + " stk: " + Long.toHexString(stk) + " thdNum: " + thdNum ); |
429 | } |
430 | _roots_list.add( new HprofRoot(id, "<thread block>")); |
431 | _threads_list.put( id, new HprofThreadData(null, thdNum, id, null)); |
432 | } |
433 | |
434 | void handleJNIGlobal() throws java.io.IOException { |
435 | long id = getIdentifier(); |
436 | long jniId = getIdentifier(); |
437 | |
438 | if (MadmapMain.runDump()) { |
439 | System. out. println ( "jni global: 0x" + Long.toHexString( id ) + " jniId: " + Long.toHexString(jniId)); |
440 | } |
441 | _roots_list.add( new HprofRoot(id, "<JNI local ref>")); |
442 | } |
443 | |
444 | void handleJNILocal() throws java.io.IOException { |
445 | long id = getIdentifier(); |
446 | int thdId = _dis.readInt(); |
447 | int frameId = _dis.readInt(); |
448 | |
449 | if (MadmapMain.runDump()) { |
450 | System. out. println ( "jni local: 0x" + Long.toHexString( id ) + " thdId: " + thdId + " frame: " + frameId); |
451 | } |
452 | _roots_list.add( new HprofRoot(id, "<JNI local ref>")); |
453 | } |
454 | |
455 | |
456 | void handleJavaFrame() throws java.io.IOException { |
457 | long id = getIdentifier(); |
458 | int thdId = _dis.readInt(); |
459 | int frameId = _dis.readInt(); |
460 | |
461 | if (MadmapMain.verbose()) { |
462 | System. out. println ( "handleJavaFrame: 0x" + Long.toHexString( id ) + " thdId: " + thdId + " frame: " + frameId); |
463 | } |
464 | _roots_list.add( new HprofRoot(id, "<thread block>")); |
465 | } |
466 | |
467 | |
468 | void handleStickyClass() throws java.io.IOException { |
469 | long id = getIdentifier(); |
470 | |
471 | if (MadmapMain.runDump()) { |
472 | System. out. println ("sticky class: 0x" + Long.toHexString( id )); |
473 | } |
474 | _roots_list.add( new HprofRoot(id, "<system class>")); |
475 | } |
476 | |
477 | void handleMonitorUsed() throws java.io.IOException { |
478 | long id = getIdentifier(); |
479 | |
480 | if (MadmapMain.runDump()) { |
481 | System. out. println ("handleMonitorUsed: 0x" + Long.toHexString( id )); |
482 | } |
483 | _roots_list.add( new HprofRoot(id, "<thread block>")); |
484 | } |
485 | |
486 | |
487 | int _heapDumpSize = 0; |
488 | int _sizeRead = 0; |
489 | |
490 | /** |
491 | * updateSizeRead |
492 | * The total computed in this method is used to give a |
493 | * rough idea in the progress bar |
494 | * @param sz |
495 | * @return the total size read so far |
496 | */ |
497 | int updateSizeRead(int sz) { |
498 | return _sizeRead += sz; |
499 | } |
500 | |
501 | public void handleHeapDumpEnd() throws java.io.IOException { |
502 | int time = _dis.readInt(); |
503 | int length = _dis.readInt(); |
504 | |
505 | } |
506 | |
507 | public void handleHeapDump() throws java.io.IOException { |
508 | int time = _dis.readInt(); |
509 | int length = _dis.readInt(); |
510 | int tag = _dis.readByte(); |
511 | |
512 | _heapDumpSize = length; |
513 | if (MadmapMain.verbose()) { |
514 | System. out. println ( "Heap Dump time: " + time + " length: " + length ); |
515 | } |
516 | while ( true ) { |
517 | //System. out. println ( "tag: 0x" + Integer.toHexString( tag ) ); |
518 | switch (tag) { |
519 | case INSTANCE_DUMP: |
520 | handleObjInstance(); |
521 | break; |
522 | case PRIM_ARRAY_DUMP: |
523 | handlePrimArray(); |
524 | break; |
525 | case OBJ_ARRAY_DUMP: |
526 | handleObjArray(); |
527 | break; |
528 | case CLASS_DUMP: |
529 | handleClass(); |
530 | break; |
531 | case ROOT_THREAD_OBJECT: |
532 | handleThreadObject(); |
533 | break; |
534 | case ROOT_JNI_GLOBAL: |
535 | handleJNIGlobal(); |
536 | break; |
537 | case ROOT_JAVA_FRAME: |
538 | handleJavaFrame(); |
539 | break; |
540 | case ROOT_JNI_LOCAL: |
541 | handleJNILocal(); |
542 | break; |
543 | case ROOT_MONITOR_USED: |
544 | handleMonitorUsed(); |
545 | break; |
546 | case ROOT_STICKY_CLASS: |
547 | handleStickyClass(); |
548 | break; |
549 | case HEAP_DUMP_SEGMENT: |
550 | handleHeapDump(); |
551 | break; |
552 | case HEAP_DUMP_END: |
553 | handleHeapDumpEnd(); |
554 | System.out.println ( "Found HEAP_DUMP_END " ); |
555 | break; |
556 | default: |
557 | System. out. println ( " Unimplemented: 0x" + Integer.toHexString( tag ) ); |
558 | System.exit(1); |
559 | } |
560 | try { |
561 | tag = _dis.readByte(); |
562 | } catch (EOFException e) { |
563 | // return quietly |
564 | _done = true; |
565 | break; |
566 | } |
567 | } |
568 | } |
569 | |
570 | |
571 | void handleUnloadClass() throws java.io.IOException { |
572 | int time = _dis.readInt(); |
573 | int length = _dis.readInt(); |
574 | int classId = _dis.readInt(); |
575 | |
576 | if (MadmapMain.verbose()) { |
577 | System. out. println ("handleUnloadClass: 0x" + Long.toHexString( classId )); |
578 | } |
579 | } |
580 | |
581 | void handleStackTrace() throws java.io.IOException { |
582 | int time = _dis.readInt(); |
583 | int length = _dis.readInt(); |
584 | int stackTraceId = _dis.readInt(); |
585 | int threadId = _dis.readInt(); |
586 | int numFrames = _dis.readInt(); |
587 | |
588 | if (MadmapMain.runDump()) { |
589 | System. out. println ("stack trace: 0x" + Long.toHexString( stackTraceId )); |
590 | } |
591 | for (int i=0; i<numFrames; i++) { |
592 | long id = getIdentifier(); |
593 | } |
594 | } |
595 | |
596 | void handleStackFrame() throws java.io.IOException { |
597 | int time = _dis.readInt(); |
598 | int length = _dis.readInt(); |
599 | long stackFrameId = getIdentifier(); |
600 | long methodNameId = getIdentifier(); |
601 | long methodSigId = getIdentifier(); |
602 | long sourceFileNameId = getIdentifier(); |
603 | int classSerialNum = _dis.readInt(); |
604 | int lineNumber = _dis.readInt(); |
605 | |
606 | if (MadmapMain.runDump()) { |
607 | System. out. println ("stack frame: 0x" + Long.toHexString( stackFrameId )); |
608 | } |
609 | } |
610 | |
611 | public void go() { |
612 | try { |
613 | // File starts with null-terminated "JAVA PROFILE 1.0.1" |
614 | byte[] rawBytes = new byte[ 18 ]; |
615 | int bytesRead = _dis.read( rawBytes ); |
616 | |
617 | String header = new String( rawBytes ); |
618 | if ( header.equals ( "JAVA PROFILE 1.0.1" ) || header.equals ( "JAVA PROFILE 1.0.2" )) { |
619 | |
620 | // off to a good start! |
621 | if (MadmapMain.verbose()) { |
622 | System. out. println ( "Input file " + _fileName + " seems to be a binary heap dump" ); |
623 | } |
624 | |
625 | byte b = _dis.readByte(); |
626 | assert b == 0 : "not null terminated?"; |
627 | |
628 | _identifierSize = _dis.readInt(); |
629 | long timeStamp = _dis.readLong(); |
630 | System. out. println ( "Timestamp " + timeStamp + " = " + (new Date( timeStamp )) + " ID size=" + _identifierSize); |
631 | |
632 | while( true && !_done) { |
633 | int tag = _dis.readByte(); |
634 | |
635 | if (MadmapMain.runDump()) { |
636 | System.out.println ("read: " + tag); |
637 | } |
638 | |
639 | switch ( tag ) { |
640 | case STRING: |
641 | handleString(); |
642 | break; |
643 | case LOAD_CLASS: |
644 | handleLoadClass(); |
645 | break; |
646 | case UNLOAD_CLASS: |
647 | handleUnloadClass(); |
648 | break; |
649 | case HEAP_DUMP: |
650 | case HEAP_DUMP_SEGMENT: |
651 | handleHeapDump(); |
652 | break; |
653 | case STACK_TRACE: |
654 | handleStackTrace(); |
655 | break; |
656 | case STACK_FRAME: |
657 | handleStackFrame(); |
658 | break; |
659 | default: |
660 | |
661 | System.out.println ("unimplemented tag: " + tag); |
662 | assert false : "should not reach here"; |
663 | } |
664 | } |
665 | } else { |
666 | System. out. println ( "Input file " + _fileName + " does not seem to be a binary heap dump" ); |
667 | } |
668 | |
669 | } catch (IOException ioe) { |
670 | System. out. println ( "Error with data file : Caught " + ioe ); |
671 | ioe.printStackTrace(); |
672 | } |
673 | } |
674 | |
675 | public static void usage() { |
676 | System.out.println(""); |
677 | System.out.println("Usage: BinaryDumpReader [options] <filename>"); |
678 | } |
679 | |
680 | /* |
681 | public static void main( String argv[] ) { |
682 | String name = null; |
683 | boolean seenFile = false; |
684 | |
685 | for ( int i = 0; i < argv.length; i++ ) { |
686 | if (argv[ i ].startsWith("-") == false) { |
687 | if ( seenFile == false ) { |
688 | name = argv[ i ]; |
689 | seenFile = true; |
690 | } else { |
691 | System.out.println( "Unknown:" + argv[ i ] ); |
692 | usage(); |
693 | return; |
694 | } |
695 | } |
696 | } |
697 | |
698 | BinaryDumpReader bdr = new BinaryDumpReader( name ); |
699 | bdr.go(); |
700 | } |
701 | */ |
702 | |
703 | /* |
704 | byte readByte() throws IOException { |
705 | return _dis.readByte(); |
706 | } |
707 | |
708 | char readChar() throws IOException { |
709 | return _dis.readChar(); |
710 | } |
711 | |
712 | long readLong() throws IOException { |
713 | return _dis.readLong(); |
714 | } |
715 | |
716 | int readInt() throws IOException { |
717 | return _dis.readInt(); |
718 | } |
719 | |
720 | short readShort() throws IOException { |
721 | return _dis.readShort(); |
722 | } |
723 | |
724 | float readFloat() throws IOException { |
725 | return _dis.readFloat(); |
726 | } |
727 | |
728 | double readDouble() throws IOException { |
729 | return _dis.readDouble(); |
730 | } |
731 | |
732 | boolean readBoolean() throws IOException { |
733 | return _dis.readBoolean(); |
734 | } |
735 | */ |
736 | |
737 | } |