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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 | ||
2bdf0193 | 15 | package org.eclipse.tracecompass.tmf.ctf.core; |
a3fc8213 | 16 | |
96c0f2af | 17 | import java.nio.BufferOverflowException; |
032ecd45 | 18 | import java.nio.ByteBuffer; |
409bea20 | 19 | import java.util.ArrayList; |
e600c338 | 20 | import java.util.Collections; |
2db2b43a | 21 | import java.util.HashMap; |
409bea20 | 22 | import java.util.List; |
299e494e | 23 | import java.util.Map; |
409bea20 | 24 | import java.util.Set; |
299e494e | 25 | |
a3fc8213 AM |
26 | import org.eclipse.core.resources.IProject; |
27 | import org.eclipse.core.resources.IResource; | |
6fd3c6e9 | 28 | import org.eclipse.core.runtime.CoreException; |
a94410d9 MK |
29 | import org.eclipse.core.runtime.IStatus; |
30 | import org.eclipse.core.runtime.Status; | |
f357bcd4 AM |
31 | import org.eclipse.tracecompass.ctf.core.event.CTFClock; |
32 | import org.eclipse.tracecompass.ctf.core.event.IEventDeclaration; | |
33 | import org.eclipse.tracecompass.ctf.core.trace.CTFReaderException; | |
34 | import org.eclipse.tracecompass.ctf.core.trace.CTFTrace; | |
35 | import org.eclipse.tracecompass.ctf.core.trace.CTFTraceReader; | |
2bdf0193 AM |
36 | import org.eclipse.tracecompass.internal.tmf.ctf.core.Activator; |
37 | import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; | |
38 | import org.eclipse.tracecompass.tmf.core.event.ITmfEventField; | |
2bdf0193 | 39 | import org.eclipse.tracecompass.tmf.core.event.TmfEventField; |
2bdf0193 AM |
40 | import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException; |
41 | import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp; | |
42 | import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimestamp; | |
43 | import org.eclipse.tracecompass.tmf.core.trace.ITmfContext; | |
44 | import org.eclipse.tracecompass.tmf.core.trace.ITmfEventParser; | |
45 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTraceProperties; | |
46 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTraceWithPreDefinedEvents; | |
47 | import org.eclipse.tracecompass.tmf.core.trace.TmfTrace; | |
48 | import org.eclipse.tracecompass.tmf.core.trace.TraceValidationStatus; | |
49 | import org.eclipse.tracecompass.tmf.core.trace.indexer.ITmfPersistentlyIndexable; | |
50 | import org.eclipse.tracecompass.tmf.core.trace.indexer.ITmfTraceIndexer; | |
51 | import org.eclipse.tracecompass.tmf.core.trace.indexer.TmfBTreeTraceIndexer; | |
52 | import org.eclipse.tracecompass.tmf.core.trace.indexer.checkpoint.ITmfCheckpoint; | |
53 | import org.eclipse.tracecompass.tmf.core.trace.indexer.checkpoint.TmfCheckpoint; | |
54 | import org.eclipse.tracecompass.tmf.core.trace.location.ITmfLocation; | |
a3fc8213 | 55 | |
409bea20 GB |
56 | import com.google.common.collect.ImmutableSet; |
57 | ||
9ac2eb62 | 58 | /** |
d09f973b FC |
59 | * The CTf trace handler |
60 | * | |
61 | * @version 1.0 | |
62 | * @author Matthew khouzam | |
9ac2eb62 | 63 | */ |
22307af3 | 64 | public class CtfTmfTrace extends TmfTrace |
090c006e | 65 | implements ITmfEventParser, ITmfTraceProperties, ITmfPersistentlyIndexable, |
409bea20 | 66 | ITmfTraceWithPreDefinedEvents, AutoCloseable { |
a3fc8213 | 67 | |
a94410d9 MK |
68 | // ------------------------------------------- |
69 | // Constants | |
70 | // ------------------------------------------- | |
324a6a4a BH |
71 | /** |
72 | * Default cache size for CTF traces | |
73 | */ | |
74 | protected static final int DEFAULT_CACHE_SIZE = 50000; | |
64c2cb4c | 75 | |
bb52f9bc GB |
76 | /* |
77 | * The Ctf clock unique identifier field | |
78 | */ | |
79 | private static final String CLOCK_HOST_PROPERTY = "uuid"; //$NON-NLS-1$ | |
cd43d683 | 80 | private static final int CONFIDENCE = 10; |
bb52f9bc | 81 | |
a94410d9 MK |
82 | // ------------------------------------------- |
83 | // Fields | |
84 | // ------------------------------------------- | |
a3fc8213 | 85 | |
e600c338 AM |
86 | private final Map<String, CtfTmfEventType> fContainedEventTypes = |
87 | Collections.synchronizedMap(new HashMap<String, CtfTmfEventType>()); | |
88 | ||
6a0ec7bc AM |
89 | private final CtfIteratorManager fIteratorManager = |
90 | new CtfIteratorManager(this); | |
91 | ||
4b7c469f MK |
92 | /* Reference to the CTF Trace */ |
93 | private CTFTrace fTrace; | |
a3fc8213 | 94 | |
a94410d9 MK |
95 | // ------------------------------------------- |
96 | // TmfTrace Overrides | |
97 | // ------------------------------------------- | |
b1baa808 MK |
98 | /** |
99 | * Method initTrace. | |
063f0d27 AM |
100 | * |
101 | * @param resource | |
102 | * The resource associated with this trace | |
103 | * @param path | |
104 | * The path to the trace file | |
105 | * @param eventType | |
106 | * The type of events that will be read from this trace | |
b1baa808 | 107 | * @throws TmfTraceException |
07804639 | 108 | * If something went wrong while reading the trace |
b1baa808 | 109 | */ |
a3fc8213 | 110 | @Override |
6256d8ad | 111 | public void initTrace(final IResource resource, final String path, final Class<? extends ITmfEvent> eventType) |
b4f71e4a | 112 | throws TmfTraceException { |
4a110860 AM |
113 | /* |
114 | * Set the cache size. This has to be done before the call to super() | |
115 | * because the super needs to know the cache size. | |
116 | */ | |
117 | setCacheSize(); | |
324a6a4a | 118 | |
32c16b50 GB |
119 | super.initTrace(resource, path, eventType); |
120 | ||
a3fc8213 AM |
121 | try { |
122 | this.fTrace = new CTFTrace(path); | |
81a2d02e | 123 | CtfTmfContext ctx; |
99b483fe | 124 | /* Set the start and (current) end times for this trace */ |
81a2d02e | 125 | ctx = (CtfTmfContext) seekEvent(0L); |
132a02b0 | 126 | CtfTmfEvent event = getNext(ctx); |
a94410d9 | 127 | if ((ctx.getLocation().equals(CtfIterator.NULL_LOCATION)) || (ctx.getCurrentEvent() == null)) { |
99b483fe AM |
128 | /* Handle the case where the trace is empty */ |
129 | this.setStartTime(TmfTimestamp.BIG_BANG); | |
130 | } else { | |
132a02b0 | 131 | final ITmfTimestamp curTime = event.getTimestamp(); |
21fb02fa MK |
132 | this.setStartTime(curTime); |
133 | this.setEndTime(curTime); | |
99b483fe | 134 | } |
409bea20 GB |
135 | /* |
136 | * Register every event type. When you call getType, it will | |
137 | * register a trace to that type in the TmfEventTypeManager | |
138 | */ | |
6a0ec7bc | 139 | try (CtfIterator iter = fIteratorManager.getIterator(ctx)) { |
409bea20 | 140 | for (IEventDeclaration ied : iter.getEventDeclarations()) { |
e600c338 | 141 | CtfTmfEventType ctfTmfEventType = fContainedEventTypes.get(ied.getName()); |
409bea20 GB |
142 | if (ctfTmfEventType == null) { |
143 | List<ITmfEventField> content = new ArrayList<>(); | |
144 | /* Should only return null the first time */ | |
145 | for (String fieldName : ied.getFields().getFieldsList()) { | |
146 | content.add(new TmfEventField(fieldName, null, null)); | |
147 | } | |
148 | ITmfEventField contentTree = new TmfEventField( | |
149 | ITmfEventField.ROOT_FIELD_ID, | |
150 | null, | |
151 | content.toArray(new ITmfEventField[content.size()]) | |
152 | ); | |
153 | ||
e600c338 AM |
154 | ctfTmfEventType = new CtfTmfEventType(ied.getName(), contentTree); |
155 | fContainedEventTypes.put(ctfTmfEventType.getName(), ctfTmfEventType); | |
409bea20 GB |
156 | } |
157 | } | |
158 | } | |
25e48683 | 159 | } catch (final CTFReaderException e) { |
a3fc8213 AM |
160 | /* |
161 | * If it failed at the init(), we can assume it's because the file | |
162 | * was not found or was not recognized as a CTF trace. Throw into | |
163 | * the new type of exception expected by the rest of TMF. | |
164 | */ | |
9fa32496 | 165 | throw new TmfTraceException(e.getMessage(), e); |
a3fc8213 | 166 | } |
a3fc8213 AM |
167 | } |
168 | ||
6a0ec7bc AM |
169 | /** |
170 | * Return the iterator manager of this trace | |
171 | * | |
172 | * @return The iterator manager | |
173 | */ | |
174 | public CtfIteratorManager getIteratorManager() { | |
175 | return fIteratorManager; | |
176 | } | |
177 | ||
090c006e AM |
178 | @Override |
179 | public void close() { | |
180 | dispose(); | |
181 | } | |
182 | ||
53b235e1 MK |
183 | @Override |
184 | public synchronized void dispose() { | |
6a0ec7bc | 185 | fIteratorManager.dispose(); |
5d1c6919 | 186 | if (fTrace != null) { |
dd9752d5 | 187 | fTrace.close(); |
5d1c6919 PT |
188 | fTrace = null; |
189 | } | |
53b235e1 MK |
190 | super.dispose(); |
191 | } | |
192 | ||
b1baa808 | 193 | /** |
cd43d683 PT |
194 | * {@inheritDoc} |
195 | * <p> | |
196 | * The default implementation sets the confidence to 10 if the trace is a | |
197 | * valid CTF trace. | |
b1baa808 | 198 | */ |
a3fc8213 | 199 | @Override |
a94410d9 | 200 | public IStatus validate(final IProject project, final String path) { |
dd9752d5 AM |
201 | IStatus status = new TraceValidationStatus(CONFIDENCE, Activator.PLUGIN_ID); |
202 | try (final CTFTrace temp = new CTFTrace(path);) { | |
07804639 | 203 | if (!temp.majorIsSet()) { |
dd9752d5 | 204 | status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.CtfTmfTrace_MajorNotSet); |
b5354daa | 205 | } else { |
dd9752d5 AM |
206 | try (CTFTraceReader ctfTraceReader = new CTFTraceReader(temp);) { |
207 | if (!ctfTraceReader.hasMoreEvents()) { | |
208 | // TODO: This will need an additional check when we | |
209 | // support live traces | |
210 | // because having no event is valid for a live trace | |
211 | status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.CtfTmfTrace_NoEvent); | |
212 | } | |
b5354daa | 213 | } |
a94410d9 | 214 | } |
25e48683 | 215 | } catch (final CTFReaderException e) { |
dd9752d5 AM |
216 | status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.CtfTmfTrace_ReadingError + ": " + e.toString()); //$NON-NLS-1$ |
217 | } catch (final BufferOverflowException e) { | |
218 | status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.CtfTmfTrace_ReadingError + ": " + Messages.CtfTmfTrace_BufferOverflowErrorMessage); //$NON-NLS-1$ | |
a3fc8213 | 219 | } |
96c0f2af | 220 | |
dd9752d5 | 221 | return status; |
a3fc8213 AM |
222 | } |
223 | ||
b1baa808 | 224 | /** |
f474d36b | 225 | * Method getCurrentLocation. This is not applicable in CTF |
a94410d9 | 226 | * |
f474d36b | 227 | * @return null, since the trace has no knowledge of the current location |
2bdf0193 | 228 | * @see org.eclipse.tracecompass.tmf.core.trace.ITmfTrace#getCurrentLocation() |
a3db8436 | 229 | * @since 3.0 |
b1baa808 | 230 | */ |
a3fc8213 | 231 | @Override |
1e1bef82 | 232 | public ITmfLocation getCurrentLocation() { |
f474d36b | 233 | return null; |
a3fc8213 AM |
234 | } |
235 | ||
a3db8436 AM |
236 | /** |
237 | * @since 3.0 | |
238 | */ | |
a3fc8213 | 239 | @Override |
1e1bef82 | 240 | public double getLocationRatio(ITmfLocation location) { |
4b7c469f | 241 | final CtfLocation curLocation = (CtfLocation) location; |
81a2d02e | 242 | final CtfTmfContext context = new CtfTmfContext(this); |
53b235e1 | 243 | context.setLocation(curLocation); |
5976d44a | 244 | context.seek(curLocation.getLocationInfo()); |
a94410d9 | 245 | final CtfLocationInfo currentTime = ((CtfLocationInfo) context.getLocation().getLocationInfo()); |
6a0ec7bc AM |
246 | final long startTime = fIteratorManager.getIterator(context).getStartTime(); |
247 | final long endTime = fIteratorManager.getIterator(context).getEndTime(); | |
132a02b0 | 248 | return ((double) currentTime.getTimestamp() - startTime) |
53b235e1 | 249 | / (endTime - startTime); |
a3fc8213 AM |
250 | } |
251 | ||
b1baa808 MK |
252 | /** |
253 | * Method seekEvent. | |
a94410d9 MK |
254 | * |
255 | * @param location | |
256 | * ITmfLocation<?> | |
b1baa808 | 257 | * @return ITmfContext |
a3db8436 | 258 | * @since 3.0 |
b1baa808 | 259 | */ |
a3fc8213 | 260 | @Override |
76643eb7 | 261 | public synchronized ITmfContext seekEvent(final ITmfLocation location) { |
ce2388e0 | 262 | CtfLocation currentLocation = (CtfLocation) location; |
81a2d02e | 263 | CtfTmfContext context = new CtfTmfContext(this); |
76643eb7 BH |
264 | if (fTrace == null) { |
265 | context.setLocation(null); | |
266 | context.setRank(ITmfContext.UNKNOWN_RANK); | |
267 | return context; | |
268 | } | |
4a110860 AM |
269 | /* |
270 | * The rank is set to 0 if the iterator seeks the beginning. If not, it | |
271 | * will be set to UNKNOWN_RANK, since CTF traces don't support seeking | |
272 | * by rank for now. | |
273 | */ | |
11d6f468 | 274 | if (currentLocation == null) { |
f5df94f8 | 275 | currentLocation = new CtfLocation(new CtfLocationInfo(0L, 0L)); |
4a110860 | 276 | context.setRank(0); |
11d6f468 | 277 | } |
5976d44a | 278 | if (currentLocation.getLocationInfo() == CtfLocation.INVALID_LOCATION) { |
962fb72f | 279 | currentLocation = new CtfLocation(getCTFTrace().getCurrentEndTime() + 1, 0L); |
1191a574 | 280 | } |
f474d36b | 281 | context.setLocation(currentLocation); |
7f0bab07 | 282 | if (location == null) { |
6a0ec7bc | 283 | long timestamp = fIteratorManager.getIterator(context).getCurrentTimestamp(); |
962fb72f | 284 | currentLocation = new CtfLocation(timestamp, 0); |
7f0bab07 | 285 | } |
a94410d9 | 286 | if (context.getRank() != 0) { |
3bd44ac8 | 287 | context.setRank(ITmfContext.UNKNOWN_RANK); |
64c2cb4c | 288 | } |
f474d36b | 289 | return context; |
a3fc8213 AM |
290 | } |
291 | ||
a3fc8213 | 292 | @Override |
76643eb7 | 293 | public synchronized ITmfContext seekEvent(double ratio) { |
81a2d02e | 294 | CtfTmfContext context = new CtfTmfContext(this); |
76643eb7 BH |
295 | if (fTrace == null) { |
296 | context.setLocation(null); | |
297 | context.setRank(ITmfContext.UNKNOWN_RANK); | |
298 | return context; | |
299 | } | |
962fb72f PT |
300 | final long end = getCTFTrace().getCurrentEndTime(); |
301 | final long start = getCTFTrace().getCurrentStartTime(); | |
b2dc9e02 | 302 | final long diff = end - start; |
15e89960 | 303 | final long ratioTs = Math.round(diff * ratio) + start; |
b2dc9e02 | 304 | context.seek(ratioTs); |
f474d36b PT |
305 | context.setRank(ITmfContext.UNKNOWN_RANK); |
306 | return context; | |
a3fc8213 AM |
307 | } |
308 | ||
b1baa808 MK |
309 | /** |
310 | * Method readNextEvent. | |
a94410d9 MK |
311 | * |
312 | * @param context | |
313 | * ITmfContext | |
b1baa808 | 314 | * @return CtfTmfEvent |
2bdf0193 | 315 | * @see org.eclipse.tracecompass.tmf.core.trace.ITmfTrace#getNext(ITmfContext) |
b1baa808 | 316 | */ |
a3fc8213 | 317 | @Override |
4b7c469f | 318 | public synchronized CtfTmfEvent getNext(final ITmfContext context) { |
faa38350 PT |
319 | if (fTrace == null) { |
320 | return null; | |
321 | } | |
f474d36b | 322 | CtfTmfEvent event = null; |
81a2d02e | 323 | if (context instanceof CtfTmfContext) { |
575beffc | 324 | if (context.getLocation() == null || CtfLocation.INVALID_LOCATION.equals(context.getLocation().getLocationInfo())) { |
ae09313d PT |
325 | return null; |
326 | } | |
81a2d02e | 327 | CtfTmfContext ctfContext = (CtfTmfContext) context; |
788ddcbc | 328 | event = ctfContext.getCurrentEvent(); |
4a110860 | 329 | |
324a6a4a BH |
330 | if (event != null) { |
331 | updateAttributes(context, event.getTimestamp()); | |
788ddcbc MK |
332 | ctfContext.advance(); |
333 | ctfContext.increaseRank(); | |
324a6a4a | 334 | } |
f474d36b | 335 | } |
4a110860 | 336 | |
aa572e22 | 337 | return event; |
a3fc8213 AM |
338 | } |
339 | ||
4b7c469f MK |
340 | /** |
341 | * gets the CTFtrace that this is wrapping | |
a94410d9 | 342 | * |
4b7c469f MK |
343 | * @return the CTF trace |
344 | */ | |
345 | public CTFTrace getCTFTrace() { | |
a3fc8213 AM |
346 | return fTrace; |
347 | } | |
a1a24d68 | 348 | |
bb52f9bc GB |
349 | /** |
350 | * Ctf traces have a clock with a unique uuid that will be used to identify | |
351 | * the host. Traces with the same clock uuid will be known to have been made | |
352 | * on the same machine. | |
353 | * | |
354 | * Note: uuid is an optional field, it may not be there for a clock. | |
355 | */ | |
356 | @Override | |
357 | public String getHostId() { | |
358 | CTFClock clock = getCTFTrace().getClock(); | |
359 | if (clock != null) { | |
360 | String clockHost = (String) clock.getProperty(CLOCK_HOST_PROPERTY); | |
361 | if (clockHost != null) { | |
362 | return clockHost; | |
363 | } | |
364 | } | |
365 | return super.getHostId(); | |
366 | } | |
367 | ||
a94410d9 | 368 | // ------------------------------------------- |
22307af3 | 369 | // ITmfTraceProperties |
a94410d9 | 370 | // ------------------------------------------- |
4b7c469f MK |
371 | |
372 | /** | |
299e494e | 373 | * @since 2.0 |
4b7c469f | 374 | */ |
22307af3 AM |
375 | @Override |
376 | public Map<String, String> getTraceProperties() { | |
2db2b43a GB |
377 | Map<String, String> properties = new HashMap<>(); |
378 | properties.putAll(fTrace.getEnvironment()); | |
379 | properties.put(Messages.CtfTmfTrace_HostID, getHostId()); | |
380 | return properties; | |
4b7c469f MK |
381 | } |
382 | ||
a94410d9 MK |
383 | // ------------------------------------------- |
384 | // Clocks | |
385 | // ------------------------------------------- | |
bfe038ff | 386 | |
9ac2eb62 MK |
387 | /** |
388 | * gets the clock offset | |
a94410d9 | 389 | * |
9ac2eb62 MK |
390 | * @return the clock offset in ns |
391 | */ | |
a94410d9 MK |
392 | public long getOffset() { |
393 | if (fTrace != null) { | |
bfe038ff MK |
394 | return fTrace.getOffset(); |
395 | } | |
396 | return 0; | |
397 | } | |
398 | ||
3480bf12 | 399 | /** |
409bea20 | 400 | * Gets the list of declared events |
3480bf12 | 401 | * |
409bea20 | 402 | * @since 3.0 |
3480bf12 | 403 | */ |
409bea20 | 404 | @Override |
e600c338 AM |
405 | public Set<CtfTmfEventType> getContainedEventTypes() { |
406 | return ImmutableSet.copyOf(fContainedEventTypes.values()); | |
407 | } | |
408 | ||
409 | /** | |
410 | * Register an event type to this trace. | |
411 | * | |
412 | * Package-visible so that {@link CtfTmfEvent#getType} can call it. | |
413 | * | |
414 | * FIXME This could probably be made cleaner? | |
415 | */ | |
416 | void registerEventType(CtfTmfEventType eventType) { | |
417 | fContainedEventTypes.put(eventType.getName(), eventType); | |
3480bf12 GB |
418 | } |
419 | ||
a94410d9 MK |
420 | // ------------------------------------------- |
421 | // Parser | |
422 | // ------------------------------------------- | |
4b7c469f MK |
423 | |
424 | @Override | |
bfe038ff | 425 | public CtfTmfEvent parseEvent(ITmfContext context) { |
4b7c469f | 426 | CtfTmfEvent event = null; |
ea271da6 PT |
427 | if (context instanceof CtfTmfContext) { |
428 | final ITmfContext tmpContext = seekEvent(context.getLocation()); | |
429 | event = getNext(tmpContext); | |
4b7c469f MK |
430 | } |
431 | return event; | |
11d6f468 | 432 | } |
64c2cb4c | 433 | |
324a6a4a | 434 | /** |
64c2cb4c | 435 | * Sets the cache size for a CtfTmfTrace. |
324a6a4a BH |
436 | */ |
437 | protected void setCacheSize() { | |
438 | setCacheSize(DEFAULT_CACHE_SIZE); | |
439 | } | |
ce2388e0 | 440 | |
a94410d9 MK |
441 | // ------------------------------------------- |
442 | // Helpers | |
443 | // ------------------------------------------- | |
53b235e1 | 444 | |
36dd544c MK |
445 | /** |
446 | * Get an iterator to the trace | |
447 | * | |
448 | * @return an iterator to the trace | |
ed59ab27 | 449 | * @since 2.0 |
36dd544c | 450 | */ |
a94410d9 | 451 | public CtfIterator createIterator() { |
db8e8f7d AM |
452 | try { |
453 | return new CtfIterator(this); | |
454 | } catch (CTFReaderException e) { | |
91e7f946 | 455 | Activator.getDefault().logError(e.getMessage(), e); |
db8e8f7d AM |
456 | } |
457 | return null; | |
36dd544c | 458 | } |
e73a4ba5 GB |
459 | |
460 | // ------------------------------------------------------------------------ | |
461 | // Timestamp transformation functions | |
462 | // ------------------------------------------------------------------------ | |
463 | ||
464 | /** | |
465 | * @since 3.0 | |
466 | */ | |
467 | @Override | |
468 | public CtfTmfTimestamp createTimestamp(long ts) { | |
469 | return new CtfTmfTimestamp(getTimestampTransform().transform(ts)); | |
470 | } | |
032ecd45 MAL |
471 | |
472 | private static int fCheckpointSize = -1; | |
473 | ||
c4767854 AM |
474 | /** |
475 | * @since 3.0 | |
476 | */ | |
032ecd45 MAL |
477 | @Override |
478 | public synchronized int getCheckpointSize() { | |
479 | if (fCheckpointSize == -1) { | |
480 | TmfCheckpoint c = new TmfCheckpoint(new CtfTmfTimestamp(0), new CtfLocation(0, 0), 0); | |
481 | ByteBuffer b = ByteBuffer.allocate(ITmfCheckpoint.MAX_SERIALIZE_SIZE); | |
482 | b.clear(); | |
483 | c.serialize(b); | |
484 | fCheckpointSize = b.position(); | |
485 | } | |
486 | ||
487 | return fCheckpointSize; | |
488 | } | |
489 | ||
490 | @Override | |
491 | protected ITmfTraceIndexer createIndexer(int interval) { | |
492 | return new TmfBTreeTraceIndexer(this, interval); | |
493 | } | |
494 | ||
c4767854 AM |
495 | /** |
496 | * @since 3.0 | |
497 | */ | |
032ecd45 MAL |
498 | @Override |
499 | public ITmfLocation restoreLocation(ByteBuffer bufferIn) { | |
500 | return new CtfLocation(bufferIn); | |
501 | } | |
6fd3c6e9 MAL |
502 | |
503 | @Override | |
504 | public boolean isComplete() { | |
505 | if (getResource() == null) { | |
506 | return true; | |
507 | } | |
508 | ||
509 | String host = null; | |
510 | String port = null; | |
511 | String sessionName = null; | |
512 | try { | |
513 | host = getResource().getPersistentProperty(CtfConstants.LIVE_HOST); | |
514 | port = getResource().getPersistentProperty(CtfConstants.LIVE_PORT); | |
515 | sessionName = getResource().getPersistentProperty(CtfConstants.LIVE_SESSION_NAME); | |
516 | } catch (CoreException e) { | |
517 | Activator.getDefault().logError(e.getMessage(), e); | |
518 | // Something happened to the resource, assume we won't get any more data from it | |
519 | return true; | |
520 | } | |
521 | return host == null || port == null || sessionName == null; | |
522 | } | |
523 | ||
524 | @Override | |
525 | public void setComplete(final boolean isComplete) { | |
526 | super.setComplete(isComplete); | |
527 | try { | |
528 | if (isComplete) { | |
529 | getResource().setPersistentProperty(CtfConstants.LIVE_HOST, null); | |
530 | getResource().setPersistentProperty(CtfConstants.LIVE_PORT, null); | |
531 | getResource().setPersistentProperty(CtfConstants.LIVE_SESSION_NAME, null); | |
532 | } | |
533 | } catch (CoreException e) { | |
534 | Activator.getDefault().logError(e.getMessage(), e); | |
535 | } | |
536 | } | |
a3fc8213 | 537 | } |