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b1baa808 | 1 | /******************************************************************************* |
60ae41e1 | 2 | * Copyright (c) 2012, 2014 Ericsson, École Polytechnique de Montréal |
b1baa808 MK |
3 | * |
4 | * All rights reserved. This program and the accompanying materials are made | |
5 | * available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
ea271da6 PT |
9 | * Contributors: |
10 | * Matthew Khouzam - Initial API and implementation | |
11 | * Patrick Tasse - Updated for removal of context clone | |
e73a4ba5 | 12 | * Geneviève Bastien - Added the createTimestamp function |
b1baa808 MK |
13 | *******************************************************************************/ |
14 | ||
91e7f946 | 15 | package org.eclipse.linuxtools.tmf.ctf.core; |
a3fc8213 | 16 | |
96c0f2af | 17 | import java.nio.BufferOverflowException; |
032ecd45 | 18 | import java.nio.ByteBuffer; |
409bea20 | 19 | import java.util.ArrayList; |
2db2b43a | 20 | import java.util.HashMap; |
409bea20 | 21 | import java.util.List; |
299e494e | 22 | import java.util.Map; |
409bea20 | 23 | import java.util.Set; |
299e494e | 24 | |
a3fc8213 AM |
25 | import org.eclipse.core.resources.IProject; |
26 | import org.eclipse.core.resources.IResource; | |
6fd3c6e9 | 27 | import org.eclipse.core.runtime.CoreException; |
a94410d9 MK |
28 | import org.eclipse.core.runtime.IStatus; |
29 | import org.eclipse.core.runtime.Status; | |
bb52f9bc | 30 | import org.eclipse.linuxtools.ctf.core.event.CTFClock; |
032ecd45 | 31 | import org.eclipse.linuxtools.ctf.core.event.IEventDeclaration; |
a3fc8213 AM |
32 | import org.eclipse.linuxtools.ctf.core.trace.CTFReaderException; |
33 | import org.eclipse.linuxtools.ctf.core.trace.CTFTrace; | |
b5354daa | 34 | import org.eclipse.linuxtools.ctf.core.trace.CTFTraceReader; |
91e7f946 | 35 | import org.eclipse.linuxtools.internal.tmf.ctf.core.Activator; |
6256d8ad | 36 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
409bea20 GB |
37 | import org.eclipse.linuxtools.tmf.core.event.ITmfEventField; |
38 | import org.eclipse.linuxtools.tmf.core.event.ITmfEventType; | |
39 | import org.eclipse.linuxtools.tmf.core.event.TmfEventField; | |
40 | import org.eclipse.linuxtools.tmf.core.event.TmfEventTypeManager; | |
b4f71e4a | 41 | import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException; |
3bd46eef AM |
42 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; |
43 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp; | |
a3fc8213 | 44 | import org.eclipse.linuxtools.tmf.core.trace.ITmfContext; |
4b7c469f | 45 | import org.eclipse.linuxtools.tmf.core.trace.ITmfEventParser; |
3480bf12 | 46 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTraceProperties; |
409bea20 | 47 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTraceWithPreDefinedEvents; |
4b7c469f | 48 | import org.eclipse.linuxtools.tmf.core.trace.TmfTrace; |
cd43d683 | 49 | import org.eclipse.linuxtools.tmf.core.trace.TraceValidationStatus; |
032ecd45 MAL |
50 | import org.eclipse.linuxtools.tmf.core.trace.indexer.ITmfPersistentlyIndexable; |
51 | import org.eclipse.linuxtools.tmf.core.trace.indexer.ITmfTraceIndexer; | |
52 | import org.eclipse.linuxtools.tmf.core.trace.indexer.TmfBTreeTraceIndexer; | |
53 | import org.eclipse.linuxtools.tmf.core.trace.indexer.checkpoint.ITmfCheckpoint; | |
54 | import org.eclipse.linuxtools.tmf.core.trace.indexer.checkpoint.TmfCheckpoint; | |
a3db8436 | 55 | import org.eclipse.linuxtools.tmf.core.trace.location.ITmfLocation; |
a3fc8213 | 56 | |
409bea20 GB |
57 | import com.google.common.collect.ImmutableSet; |
58 | ||
9ac2eb62 | 59 | /** |
d09f973b FC |
60 | * The CTf trace handler |
61 | * | |
62 | * @version 1.0 | |
63 | * @author Matthew khouzam | |
9ac2eb62 | 64 | */ |
22307af3 | 65 | public class CtfTmfTrace extends TmfTrace |
090c006e | 66 | implements ITmfEventParser, ITmfTraceProperties, ITmfPersistentlyIndexable, |
409bea20 | 67 | ITmfTraceWithPreDefinedEvents, AutoCloseable { |
a3fc8213 | 68 | |
a94410d9 MK |
69 | // ------------------------------------------- |
70 | // Constants | |
71 | // ------------------------------------------- | |
324a6a4a BH |
72 | /** |
73 | * Default cache size for CTF traces | |
74 | */ | |
75 | protected static final int DEFAULT_CACHE_SIZE = 50000; | |
64c2cb4c | 76 | |
bb52f9bc GB |
77 | /* |
78 | * The Ctf clock unique identifier field | |
79 | */ | |
80 | private static final String CLOCK_HOST_PROPERTY = "uuid"; //$NON-NLS-1$ | |
cd43d683 | 81 | private static final int CONFIDENCE = 10; |
bb52f9bc | 82 | |
a94410d9 MK |
83 | // ------------------------------------------- |
84 | // Fields | |
85 | // ------------------------------------------- | |
a3fc8213 | 86 | |
4b7c469f MK |
87 | /* Reference to the CTF Trace */ |
88 | private CTFTrace fTrace; | |
a3fc8213 | 89 | |
a94410d9 MK |
90 | // ------------------------------------------- |
91 | // TmfTrace Overrides | |
92 | // ------------------------------------------- | |
b1baa808 MK |
93 | /** |
94 | * Method initTrace. | |
063f0d27 AM |
95 | * |
96 | * @param resource | |
97 | * The resource associated with this trace | |
98 | * @param path | |
99 | * The path to the trace file | |
100 | * @param eventType | |
101 | * The type of events that will be read from this trace | |
b1baa808 | 102 | * @throws TmfTraceException |
07804639 | 103 | * If something went wrong while reading the trace |
b1baa808 | 104 | */ |
a3fc8213 | 105 | @Override |
6256d8ad | 106 | public void initTrace(final IResource resource, final String path, final Class<? extends ITmfEvent> eventType) |
b4f71e4a | 107 | throws TmfTraceException { |
4a110860 AM |
108 | /* |
109 | * Set the cache size. This has to be done before the call to super() | |
110 | * because the super needs to know the cache size. | |
111 | */ | |
112 | setCacheSize(); | |
324a6a4a | 113 | |
32c16b50 GB |
114 | super.initTrace(resource, path, eventType); |
115 | ||
a3fc8213 AM |
116 | try { |
117 | this.fTrace = new CTFTrace(path); | |
53b235e1 | 118 | CtfIteratorManager.addTrace(this); |
81a2d02e | 119 | CtfTmfContext ctx; |
99b483fe | 120 | /* Set the start and (current) end times for this trace */ |
81a2d02e | 121 | ctx = (CtfTmfContext) seekEvent(0L); |
132a02b0 | 122 | CtfTmfEvent event = getNext(ctx); |
a94410d9 | 123 | if ((ctx.getLocation().equals(CtfIterator.NULL_LOCATION)) || (ctx.getCurrentEvent() == null)) { |
99b483fe AM |
124 | /* Handle the case where the trace is empty */ |
125 | this.setStartTime(TmfTimestamp.BIG_BANG); | |
126 | } else { | |
132a02b0 | 127 | final ITmfTimestamp curTime = event.getTimestamp(); |
21fb02fa MK |
128 | this.setStartTime(curTime); |
129 | this.setEndTime(curTime); | |
99b483fe | 130 | } |
409bea20 GB |
131 | /* |
132 | * Register every event type. When you call getType, it will | |
133 | * register a trace to that type in the TmfEventTypeManager | |
134 | */ | |
135 | try (CtfIterator iter = CtfIteratorManager.getIterator(this, ctx)) { | |
136 | for (IEventDeclaration ied : iter.getEventDeclarations()) { | |
137 | CtfTmfEventType ctfTmfEventType = CtfTmfEventType.get(this, ied.getName()); | |
138 | if (ctfTmfEventType == null) { | |
139 | List<ITmfEventField> content = new ArrayList<>(); | |
140 | /* Should only return null the first time */ | |
141 | for (String fieldName : ied.getFields().getFieldsList()) { | |
142 | content.add(new TmfEventField(fieldName, null, null)); | |
143 | } | |
144 | ITmfEventField contentTree = new TmfEventField( | |
145 | ITmfEventField.ROOT_FIELD_ID, | |
146 | null, | |
147 | content.toArray(new ITmfEventField[content.size()]) | |
148 | ); | |
149 | ||
150 | ctfTmfEventType = new CtfTmfEventType(ied.getName(), this, contentTree); | |
151 | } | |
152 | } | |
153 | } | |
25e48683 | 154 | } catch (final CTFReaderException e) { |
a3fc8213 AM |
155 | /* |
156 | * If it failed at the init(), we can assume it's because the file | |
157 | * was not found or was not recognized as a CTF trace. Throw into | |
158 | * the new type of exception expected by the rest of TMF. | |
159 | */ | |
9fa32496 | 160 | throw new TmfTraceException(e.getMessage(), e); |
a3fc8213 | 161 | } |
a3fc8213 AM |
162 | } |
163 | ||
090c006e AM |
164 | @Override |
165 | public void close() { | |
166 | dispose(); | |
167 | } | |
168 | ||
53b235e1 MK |
169 | @Override |
170 | public synchronized void dispose() { | |
171 | CtfIteratorManager.removeTrace(this); | |
5d1c6919 | 172 | if (fTrace != null) { |
dd9752d5 | 173 | fTrace.close(); |
5d1c6919 PT |
174 | fTrace = null; |
175 | } | |
53b235e1 MK |
176 | super.dispose(); |
177 | } | |
178 | ||
b1baa808 | 179 | /** |
cd43d683 PT |
180 | * {@inheritDoc} |
181 | * <p> | |
182 | * The default implementation sets the confidence to 10 if the trace is a | |
183 | * valid CTF trace. | |
b1baa808 | 184 | */ |
a3fc8213 | 185 | @Override |
a94410d9 | 186 | public IStatus validate(final IProject project, final String path) { |
dd9752d5 AM |
187 | IStatus status = new TraceValidationStatus(CONFIDENCE, Activator.PLUGIN_ID); |
188 | try (final CTFTrace temp = new CTFTrace(path);) { | |
07804639 | 189 | if (!temp.majorIsSet()) { |
dd9752d5 | 190 | status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.CtfTmfTrace_MajorNotSet); |
b5354daa | 191 | } else { |
dd9752d5 AM |
192 | try (CTFTraceReader ctfTraceReader = new CTFTraceReader(temp);) { |
193 | if (!ctfTraceReader.hasMoreEvents()) { | |
194 | // TODO: This will need an additional check when we | |
195 | // support live traces | |
196 | // because having no event is valid for a live trace | |
197 | status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.CtfTmfTrace_NoEvent); | |
198 | } | |
b5354daa | 199 | } |
a94410d9 | 200 | } |
25e48683 | 201 | } catch (final CTFReaderException e) { |
dd9752d5 AM |
202 | status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.CtfTmfTrace_ReadingError + ": " + e.toString()); //$NON-NLS-1$ |
203 | } catch (final BufferOverflowException e) { | |
204 | status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.CtfTmfTrace_ReadingError + ": " + Messages.CtfTmfTrace_BufferOverflowErrorMessage); //$NON-NLS-1$ | |
a3fc8213 | 205 | } |
96c0f2af | 206 | |
dd9752d5 | 207 | return status; |
a3fc8213 AM |
208 | } |
209 | ||
b1baa808 | 210 | /** |
f474d36b | 211 | * Method getCurrentLocation. This is not applicable in CTF |
a94410d9 | 212 | * |
f474d36b | 213 | * @return null, since the trace has no knowledge of the current location |
b1baa808 | 214 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#getCurrentLocation() |
a3db8436 | 215 | * @since 3.0 |
b1baa808 | 216 | */ |
a3fc8213 | 217 | @Override |
1e1bef82 | 218 | public ITmfLocation getCurrentLocation() { |
f474d36b | 219 | return null; |
a3fc8213 AM |
220 | } |
221 | ||
a3db8436 AM |
222 | /** |
223 | * @since 3.0 | |
224 | */ | |
a3fc8213 | 225 | @Override |
1e1bef82 | 226 | public double getLocationRatio(ITmfLocation location) { |
4b7c469f | 227 | final CtfLocation curLocation = (CtfLocation) location; |
81a2d02e | 228 | final CtfTmfContext context = new CtfTmfContext(this); |
53b235e1 | 229 | context.setLocation(curLocation); |
5976d44a | 230 | context.seek(curLocation.getLocationInfo()); |
a94410d9 | 231 | final CtfLocationInfo currentTime = ((CtfLocationInfo) context.getLocation().getLocationInfo()); |
53b235e1 MK |
232 | final long startTime = getIterator(this, context).getStartTime(); |
233 | final long endTime = getIterator(this, context).getEndTime(); | |
132a02b0 | 234 | return ((double) currentTime.getTimestamp() - startTime) |
53b235e1 | 235 | / (endTime - startTime); |
a3fc8213 AM |
236 | } |
237 | ||
b1baa808 MK |
238 | /** |
239 | * Method seekEvent. | |
a94410d9 MK |
240 | * |
241 | * @param location | |
242 | * ITmfLocation<?> | |
b1baa808 | 243 | * @return ITmfContext |
a3db8436 | 244 | * @since 3.0 |
b1baa808 | 245 | */ |
a3fc8213 | 246 | @Override |
76643eb7 | 247 | public synchronized ITmfContext seekEvent(final ITmfLocation location) { |
ce2388e0 | 248 | CtfLocation currentLocation = (CtfLocation) location; |
81a2d02e | 249 | CtfTmfContext context = new CtfTmfContext(this); |
76643eb7 BH |
250 | if (fTrace == null) { |
251 | context.setLocation(null); | |
252 | context.setRank(ITmfContext.UNKNOWN_RANK); | |
253 | return context; | |
254 | } | |
4a110860 AM |
255 | /* |
256 | * The rank is set to 0 if the iterator seeks the beginning. If not, it | |
257 | * will be set to UNKNOWN_RANK, since CTF traces don't support seeking | |
258 | * by rank for now. | |
259 | */ | |
11d6f468 | 260 | if (currentLocation == null) { |
f5df94f8 | 261 | currentLocation = new CtfLocation(new CtfLocationInfo(0L, 0L)); |
4a110860 | 262 | context.setRank(0); |
11d6f468 | 263 | } |
5976d44a | 264 | if (currentLocation.getLocationInfo() == CtfLocation.INVALID_LOCATION) { |
962fb72f | 265 | currentLocation = new CtfLocation(getCTFTrace().getCurrentEndTime() + 1, 0L); |
1191a574 | 266 | } |
f474d36b | 267 | context.setLocation(currentLocation); |
7f0bab07 | 268 | if (location == null) { |
962fb72f PT |
269 | long timestamp = getIterator(this, context).getCurrentTimestamp(); |
270 | currentLocation = new CtfLocation(timestamp, 0); | |
7f0bab07 | 271 | } |
a94410d9 | 272 | if (context.getRank() != 0) { |
3bd44ac8 | 273 | context.setRank(ITmfContext.UNKNOWN_RANK); |
64c2cb4c | 274 | } |
f474d36b | 275 | return context; |
a3fc8213 AM |
276 | } |
277 | ||
a3fc8213 | 278 | @Override |
76643eb7 | 279 | public synchronized ITmfContext seekEvent(double ratio) { |
81a2d02e | 280 | CtfTmfContext context = new CtfTmfContext(this); |
76643eb7 BH |
281 | if (fTrace == null) { |
282 | context.setLocation(null); | |
283 | context.setRank(ITmfContext.UNKNOWN_RANK); | |
284 | return context; | |
285 | } | |
962fb72f PT |
286 | final long end = getCTFTrace().getCurrentEndTime(); |
287 | final long start = getCTFTrace().getCurrentStartTime(); | |
b2dc9e02 | 288 | final long diff = end - start; |
15e89960 | 289 | final long ratioTs = Math.round(diff * ratio) + start; |
b2dc9e02 | 290 | context.seek(ratioTs); |
f474d36b PT |
291 | context.setRank(ITmfContext.UNKNOWN_RANK); |
292 | return context; | |
a3fc8213 AM |
293 | } |
294 | ||
b1baa808 MK |
295 | /** |
296 | * Method readNextEvent. | |
a94410d9 MK |
297 | * |
298 | * @param context | |
299 | * ITmfContext | |
b1baa808 | 300 | * @return CtfTmfEvent |
c32744d6 | 301 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#getNext(ITmfContext) |
b1baa808 | 302 | */ |
a3fc8213 | 303 | @Override |
4b7c469f | 304 | public synchronized CtfTmfEvent getNext(final ITmfContext context) { |
faa38350 PT |
305 | if (fTrace == null) { |
306 | return null; | |
307 | } | |
f474d36b | 308 | CtfTmfEvent event = null; |
81a2d02e | 309 | if (context instanceof CtfTmfContext) { |
575beffc | 310 | if (context.getLocation() == null || CtfLocation.INVALID_LOCATION.equals(context.getLocation().getLocationInfo())) { |
ae09313d PT |
311 | return null; |
312 | } | |
81a2d02e | 313 | CtfTmfContext ctfContext = (CtfTmfContext) context; |
788ddcbc | 314 | event = ctfContext.getCurrentEvent(); |
4a110860 | 315 | |
324a6a4a BH |
316 | if (event != null) { |
317 | updateAttributes(context, event.getTimestamp()); | |
788ddcbc MK |
318 | ctfContext.advance(); |
319 | ctfContext.increaseRank(); | |
324a6a4a | 320 | } |
f474d36b | 321 | } |
4a110860 | 322 | |
aa572e22 | 323 | return event; |
a3fc8213 AM |
324 | } |
325 | ||
4b7c469f MK |
326 | /** |
327 | * gets the CTFtrace that this is wrapping | |
a94410d9 | 328 | * |
4b7c469f MK |
329 | * @return the CTF trace |
330 | */ | |
331 | public CTFTrace getCTFTrace() { | |
a3fc8213 AM |
332 | return fTrace; |
333 | } | |
a1a24d68 | 334 | |
bb52f9bc GB |
335 | /** |
336 | * Ctf traces have a clock with a unique uuid that will be used to identify | |
337 | * the host. Traces with the same clock uuid will be known to have been made | |
338 | * on the same machine. | |
339 | * | |
340 | * Note: uuid is an optional field, it may not be there for a clock. | |
341 | */ | |
342 | @Override | |
343 | public String getHostId() { | |
344 | CTFClock clock = getCTFTrace().getClock(); | |
345 | if (clock != null) { | |
346 | String clockHost = (String) clock.getProperty(CLOCK_HOST_PROPERTY); | |
347 | if (clockHost != null) { | |
348 | return clockHost; | |
349 | } | |
350 | } | |
351 | return super.getHostId(); | |
352 | } | |
353 | ||
a94410d9 | 354 | // ------------------------------------------- |
22307af3 | 355 | // ITmfTraceProperties |
a94410d9 | 356 | // ------------------------------------------- |
4b7c469f MK |
357 | |
358 | /** | |
299e494e | 359 | * @since 2.0 |
4b7c469f | 360 | */ |
22307af3 AM |
361 | @Override |
362 | public Map<String, String> getTraceProperties() { | |
2db2b43a GB |
363 | Map<String, String> properties = new HashMap<>(); |
364 | properties.putAll(fTrace.getEnvironment()); | |
365 | properties.put(Messages.CtfTmfTrace_HostID, getHostId()); | |
366 | return properties; | |
4b7c469f MK |
367 | } |
368 | ||
a94410d9 MK |
369 | // ------------------------------------------- |
370 | // Clocks | |
371 | // ------------------------------------------- | |
bfe038ff | 372 | |
9ac2eb62 MK |
373 | /** |
374 | * gets the clock offset | |
a94410d9 | 375 | * |
9ac2eb62 MK |
376 | * @return the clock offset in ns |
377 | */ | |
a94410d9 MK |
378 | public long getOffset() { |
379 | if (fTrace != null) { | |
bfe038ff MK |
380 | return fTrace.getOffset(); |
381 | } | |
382 | return 0; | |
383 | } | |
384 | ||
3480bf12 | 385 | /** |
409bea20 | 386 | * Gets the list of declared events |
3480bf12 | 387 | * |
409bea20 | 388 | * @since 3.0 |
3480bf12 | 389 | */ |
409bea20 GB |
390 | @Override |
391 | public Set<ITmfEventType> getContainedEventTypes() { | |
392 | TmfEventTypeManager instance = TmfEventTypeManager.getInstance(); | |
393 | Set<ITmfEventType> eventTypes = instance.getTypes(CtfTmfEventType.computeContextName(this)); | |
394 | return ImmutableSet.copyOf(eventTypes); | |
3480bf12 GB |
395 | } |
396 | ||
a94410d9 MK |
397 | // ------------------------------------------- |
398 | // Parser | |
399 | // ------------------------------------------- | |
4b7c469f MK |
400 | |
401 | @Override | |
bfe038ff | 402 | public CtfTmfEvent parseEvent(ITmfContext context) { |
4b7c469f | 403 | CtfTmfEvent event = null; |
ea271da6 PT |
404 | if (context instanceof CtfTmfContext) { |
405 | final ITmfContext tmpContext = seekEvent(context.getLocation()); | |
406 | event = getNext(tmpContext); | |
4b7c469f MK |
407 | } |
408 | return event; | |
11d6f468 | 409 | } |
64c2cb4c | 410 | |
324a6a4a | 411 | /** |
64c2cb4c | 412 | * Sets the cache size for a CtfTmfTrace. |
324a6a4a BH |
413 | */ |
414 | protected void setCacheSize() { | |
415 | setCacheSize(DEFAULT_CACHE_SIZE); | |
416 | } | |
ce2388e0 | 417 | |
a94410d9 MK |
418 | // ------------------------------------------- |
419 | // Helpers | |
420 | // ------------------------------------------- | |
53b235e1 | 421 | |
a94410d9 | 422 | private static CtfIterator getIterator(CtfTmfTrace trace, CtfTmfContext context) { |
53b235e1 MK |
423 | return CtfIteratorManager.getIterator(trace, context); |
424 | } | |
36dd544c MK |
425 | |
426 | /** | |
427 | * Get an iterator to the trace | |
428 | * | |
429 | * @return an iterator to the trace | |
ed59ab27 | 430 | * @since 2.0 |
36dd544c | 431 | */ |
a94410d9 | 432 | public CtfIterator createIterator() { |
db8e8f7d AM |
433 | try { |
434 | return new CtfIterator(this); | |
435 | } catch (CTFReaderException e) { | |
91e7f946 | 436 | Activator.getDefault().logError(e.getMessage(), e); |
db8e8f7d AM |
437 | } |
438 | return null; | |
36dd544c | 439 | } |
e73a4ba5 GB |
440 | |
441 | // ------------------------------------------------------------------------ | |
442 | // Timestamp transformation functions | |
443 | // ------------------------------------------------------------------------ | |
444 | ||
445 | /** | |
446 | * @since 3.0 | |
447 | */ | |
448 | @Override | |
449 | public CtfTmfTimestamp createTimestamp(long ts) { | |
450 | return new CtfTmfTimestamp(getTimestampTransform().transform(ts)); | |
451 | } | |
032ecd45 MAL |
452 | |
453 | private static int fCheckpointSize = -1; | |
454 | ||
c4767854 AM |
455 | /** |
456 | * @since 3.0 | |
457 | */ | |
032ecd45 MAL |
458 | @Override |
459 | public synchronized int getCheckpointSize() { | |
460 | if (fCheckpointSize == -1) { | |
461 | TmfCheckpoint c = new TmfCheckpoint(new CtfTmfTimestamp(0), new CtfLocation(0, 0), 0); | |
462 | ByteBuffer b = ByteBuffer.allocate(ITmfCheckpoint.MAX_SERIALIZE_SIZE); | |
463 | b.clear(); | |
464 | c.serialize(b); | |
465 | fCheckpointSize = b.position(); | |
466 | } | |
467 | ||
468 | return fCheckpointSize; | |
469 | } | |
470 | ||
471 | @Override | |
472 | protected ITmfTraceIndexer createIndexer(int interval) { | |
473 | return new TmfBTreeTraceIndexer(this, interval); | |
474 | } | |
475 | ||
c4767854 AM |
476 | /** |
477 | * @since 3.0 | |
478 | */ | |
032ecd45 MAL |
479 | @Override |
480 | public ITmfLocation restoreLocation(ByteBuffer bufferIn) { | |
481 | return new CtfLocation(bufferIn); | |
482 | } | |
6fd3c6e9 MAL |
483 | |
484 | @Override | |
485 | public boolean isComplete() { | |
486 | if (getResource() == null) { | |
487 | return true; | |
488 | } | |
489 | ||
490 | String host = null; | |
491 | String port = null; | |
492 | String sessionName = null; | |
493 | try { | |
494 | host = getResource().getPersistentProperty(CtfConstants.LIVE_HOST); | |
495 | port = getResource().getPersistentProperty(CtfConstants.LIVE_PORT); | |
496 | sessionName = getResource().getPersistentProperty(CtfConstants.LIVE_SESSION_NAME); | |
497 | } catch (CoreException e) { | |
498 | Activator.getDefault().logError(e.getMessage(), e); | |
499 | // Something happened to the resource, assume we won't get any more data from it | |
500 | return true; | |
501 | } | |
502 | return host == null || port == null || sessionName == null; | |
503 | } | |
504 | ||
505 | @Override | |
506 | public void setComplete(final boolean isComplete) { | |
507 | super.setComplete(isComplete); | |
508 | try { | |
509 | if (isComplete) { | |
510 | getResource().setPersistentProperty(CtfConstants.LIVE_HOST, null); | |
511 | getResource().setPersistentProperty(CtfConstants.LIVE_PORT, null); | |
512 | getResource().setPersistentProperty(CtfConstants.LIVE_SESSION_NAME, null); | |
513 | } | |
514 | } catch (CoreException e) { | |
515 | Activator.getDefault().logError(e.getMessage(), e); | |
516 | } | |
517 | } | |
a3fc8213 | 518 | } |