Commit | Line | Data |
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8c8bf09f | 1 | /******************************************************************************* |
ea271da6 | 2 | * Copyright (c) 2009, 2010, 2012, 2013 Ericsson |
ce2388e0 | 3 | * |
8c8bf09f ASL |
4 | * All rights reserved. This program and the accompanying materials are |
5 | * made 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 | |
ce2388e0 | 8 | * |
8c8bf09f ASL |
9 | * Contributors: |
10 | * Francois Chouinard - Initial API and implementation | |
0316808c | 11 | * Francois Chouinard - Updated as per TMF Trace Model 1.0 |
ea271da6 PT |
12 | * Patrick Tasse - Updated for removal of context clone |
13 | * Patrick Tasse - Updated for ranks in experiment location | |
8c8bf09f ASL |
14 | *******************************************************************************/ |
15 | ||
9e0640dc | 16 | package org.eclipse.linuxtools.tmf.core.trace; |
8c8bf09f | 17 | |
a1091415 | 18 | import org.eclipse.core.resources.IFile; |
12c155f5 | 19 | import org.eclipse.core.resources.IProject; |
828e5592 | 20 | import org.eclipse.core.resources.IResource; |
9e0640dc FC |
21 | import org.eclipse.linuxtools.internal.tmf.core.trace.TmfExperimentContext; |
22 | import org.eclipse.linuxtools.internal.tmf.core.trace.TmfExperimentLocation; | |
23 | import org.eclipse.linuxtools.internal.tmf.core.trace.TmfLocationArray; | |
72f1e62a | 24 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
4df4581d | 25 | import org.eclipse.linuxtools.tmf.core.event.ITmfTimestamp; |
6c13869b FC |
26 | import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange; |
27 | import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp; | |
0316808c | 28 | import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException; |
5419a136 AM |
29 | import org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest; |
30 | import org.eclipse.linuxtools.tmf.core.request.ITmfEventRequest; | |
ea279a69 | 31 | import org.eclipse.linuxtools.tmf.core.signal.TmfClearExperimentSignal; |
6c13869b | 32 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; |
faa38350 PT |
33 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceOpenedSignal; |
34 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceRangeUpdatedSignal; | |
8c8bf09f ASL |
35 | |
36 | /** | |
9e0640dc | 37 | * TmfExperiment presents a time-ordered, unified view of a set of ITmfTrace:s |
cbdacf03 | 38 | * that are part of a tracing experiment. |
4b7b3670 FC |
39 | * |
40 | * @version 1.0 | |
41 | * @author Francois Chouinard | |
8c8bf09f | 42 | */ |
6256d8ad | 43 | public class TmfExperiment extends TmfTrace implements ITmfEventParser { |
8c8bf09f | 44 | |
c32744d6 FC |
45 | // ------------------------------------------------------------------------ |
46 | // Constants | |
47 | // ------------------------------------------------------------------------ | |
48 | ||
9e0640dc FC |
49 | /** |
50 | * The default index page size | |
51 | */ | |
52 | public static final int DEFAULT_INDEX_PAGE_SIZE = 5000; | |
c32744d6 | 53 | |
8c8bf09f ASL |
54 | // ------------------------------------------------------------------------ |
55 | // Attributes | |
56 | // ------------------------------------------------------------------------ | |
57 | ||
9e0640dc FC |
58 | /** |
59 | * The set of traces that constitute the experiment | |
60 | */ | |
6256d8ad | 61 | protected ITmfTrace[] fTraces; |
8c8bf09f | 62 | |
9e0640dc FC |
63 | /** |
64 | * The set of traces that constitute the experiment | |
65 | */ | |
66 | private boolean fInitialized = false; | |
a1091415 | 67 | |
9e0640dc FC |
68 | /** |
69 | * The experiment bookmarks file | |
70 | */ | |
71 | private IFile fBookmarksFile; | |
828e5592 | 72 | |
8c8bf09f | 73 | // ------------------------------------------------------------------------ |
9e0640dc | 74 | // Construction |
8c8bf09f ASL |
75 | // ------------------------------------------------------------------------ |
76 | ||
9e0640dc | 77 | /** |
0283f7ff FC |
78 | * @param type the event type |
79 | * @param id the experiment id | |
80 | * @param traces the experiment set of traces | |
9e0640dc | 81 | */ |
6256d8ad | 82 | public TmfExperiment(final Class<? extends ITmfEvent> type, final String id, final ITmfTrace[] traces) { |
9e0640dc | 83 | this(type, id, traces, DEFAULT_INDEX_PAGE_SIZE); |
96c6806f PT |
84 | } |
85 | ||
8c8bf09f | 86 | /** |
0283f7ff FC |
87 | * @param type the event type |
88 | * @param path the experiment path | |
89 | * @param traces the experiment set of traces | |
90 | * @param indexPageSize the experiment index page size | |
8c8bf09f | 91 | */ |
6256d8ad | 92 | public TmfExperiment(final Class<? extends ITmfEvent> type, final String path, final ITmfTrace[] traces, final int indexPageSize) { |
0316808c FC |
93 | setCacheSize(indexPageSize); |
94 | setStreamingInterval(0); | |
07671572 | 95 | setIndexer(new TmfCheckpointIndexer(this, indexPageSize)); |
0316808c FC |
96 | setParser(this); |
97 | try { | |
98 | super.initialize(null, path, type); | |
99 | } catch (TmfTraceException e) { | |
100 | e.printStackTrace(); | |
101 | } | |
8c8bf09f | 102 | |
a79913eb | 103 | fTraces = traces; |
8c8bf09f | 104 | } |
a79913eb | 105 | |
8c8bf09f | 106 | /** |
ff4ed569 | 107 | * Clears the experiment |
8c8bf09f ASL |
108 | */ |
109 | @Override | |
a79913eb FC |
110 | public synchronized void dispose() { |
111 | ||
77551cc2 FC |
112 | // Clean up the index if applicable |
113 | if (getIndexer() != null) { | |
114 | getIndexer().dispose(); | |
115 | } | |
b5ee6881 | 116 | |
a79913eb | 117 | if (fTraces != null) { |
9b749023 | 118 | for (final ITmfTrace trace : fTraces) { |
a79913eb | 119 | trace.dispose(); |
9b749023 | 120 | } |
a79913eb FC |
121 | fTraces = null; |
122 | } | |
2fb2eb37 | 123 | super.dispose(); |
8c8bf09f ASL |
124 | } |
125 | ||
ea279a69 FC |
126 | /** |
127 | * @param signal the clear view signal | |
128 | * @since 2.0 | |
129 | */ | |
130 | @TmfSignalHandler | |
131 | public void handleClearExperimentSignal(TmfClearExperimentSignal signal) { | |
132 | dispose(); | |
133 | } | |
134 | ||
9e0640dc FC |
135 | // ------------------------------------------------------------------------ |
136 | // ITmfTrace - Initializers | |
137 | // ------------------------------------------------------------------------ | |
138 | ||
139 | /* (non-Javadoc) | |
17324c9a | 140 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#initTrace(org.eclipse.core.resources.IResource, java.lang.String, java.lang.Class) |
9e0640dc FC |
141 | */ |
142 | @Override | |
6256d8ad | 143 | public void initTrace(final IResource resource, final String path, final Class<? extends ITmfEvent> type) { |
9e0640dc FC |
144 | } |
145 | ||
146 | /* (non-Javadoc) | |
17324c9a | 147 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#validate(org.eclipse.core.resources.IProject, java.lang.String) |
9e0640dc FC |
148 | */ |
149 | @Override | |
17324c9a FC |
150 | public boolean validate(final IProject project, final String path) { |
151 | return true; | |
9e0640dc FC |
152 | } |
153 | ||
8c8bf09f | 154 | // ------------------------------------------------------------------------ |
e31e01e8 | 155 | // Accessors |
8c8bf09f ASL |
156 | // ------------------------------------------------------------------------ |
157 | ||
9e0640dc FC |
158 | /** |
159 | * Get the list of traces. Handle with care... | |
9b749023 | 160 | * |
9e0640dc FC |
161 | * @return the experiment traces |
162 | */ | |
6256d8ad | 163 | public ITmfTrace[] getTraces() { |
a79913eb | 164 | return fTraces; |
8c8bf09f ASL |
165 | } |
166 | ||
8c8bf09f | 167 | /** |
cbdacf03 FC |
168 | * Returns the timestamp of the event at the requested index. If none, |
169 | * returns null. | |
9b749023 | 170 | * |
0d9a6d76 FC |
171 | * @param index the event index (rank) |
172 | * @return the corresponding event timestamp | |
8c8bf09f | 173 | */ |
cbdacf03 | 174 | public ITmfTimestamp getTimestamp(final int index) { |
0316808c | 175 | final ITmfContext context = seekEvent(index); |
c32744d6 | 176 | final ITmfEvent event = getNext(context); |
4c9f2944 | 177 | context.dispose(); |
a79913eb | 178 | return (event != null) ? event.getTimestamp() : null; |
8c8bf09f ASL |
179 | } |
180 | ||
9e0640dc FC |
181 | /** |
182 | * Set the file to be used for bookmarks on this experiment | |
9b749023 | 183 | * |
9e0640dc FC |
184 | * @param file the bookmarks file |
185 | */ | |
186 | public void setBookmarksFile(final IFile file) { | |
187 | fBookmarksFile = file; | |
188 | } | |
07671572 | 189 | |
9e0640dc FC |
190 | /** |
191 | * Get the file used for bookmarks on this experiment | |
9b749023 | 192 | * |
9e0640dc FC |
193 | * @return the bookmarks file or null if none is set |
194 | */ | |
195 | public IFile getBookmarksFile() { | |
196 | return fBookmarksFile; | |
a79913eb FC |
197 | } |
198 | ||
49e2f79a FC |
199 | // ------------------------------------------------------------------------ |
200 | // Request management | |
201 | // ------------------------------------------------------------------------ | |
202 | ||
e6809677 PT |
203 | /** |
204 | * @since 2.0 | |
3bd44ac8 | 205 | */ |
49e2f79a | 206 | @Override |
5419a136 | 207 | public synchronized ITmfContext armRequest(final ITmfDataRequest request) { |
9b749023 | 208 | |
6a953367 BH |
209 | // Make sure we have something to read from |
210 | if (fTraces == null) { | |
211 | return null; | |
212 | } | |
9b749023 | 213 | |
5419a136 AM |
214 | if (request instanceof ITmfEventRequest |
215 | && !TmfTimestamp.BIG_BANG.equals(((ITmfEventRequest) request).getRange().getStartTime()) | |
216 | && request.getIndex() == 0) | |
217 | { | |
218 | final ITmfContext context = seekEvent(((ITmfEventRequest) request).getRange().getStartTime()); | |
219 | ((ITmfEventRequest) request).setStartIndex((int) context.getRank()); | |
49e2f79a | 220 | return context; |
5419a136 | 221 | |
49e2f79a FC |
222 | } |
223 | ||
5419a136 | 224 | return seekEvent(request.getIndex()); |
49e2f79a FC |
225 | } |
226 | ||
a79913eb | 227 | // ------------------------------------------------------------------------ |
9f584e4c FC |
228 | // ITmfTrace trace positioning |
229 | // ------------------------------------------------------------------------ | |
230 | ||
9e0640dc FC |
231 | /* (non-Javadoc) |
232 | * | |
9b749023 | 233 | * Returns a brand new context based on the location provided and |
9e0640dc | 234 | * initializes the event queues |
9b749023 | 235 | * |
9e0640dc FC |
236 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#seekEvent(org.eclipse.linuxtools.tmf.core.trace.ITmfLocation) |
237 | */ | |
a79913eb | 238 | @Override |
1e1bef82 | 239 | public synchronized ITmfContext seekEvent(final ITmfLocation location) { |
a79913eb | 240 | // Validate the location |
9e0640dc | 241 | if (location != null && !(location instanceof TmfExperimentLocation)) { |
a79913eb | 242 | return null; // Throw an exception? |
9e0640dc FC |
243 | } |
244 | // Make sure we have something to read from | |
245 | if (fTraces == null) { | |
a79913eb | 246 | return null; |
9e0640dc | 247 | } |
8f50c396 | 248 | |
ea271da6 PT |
249 | // Initialize the location array if necessary |
250 | TmfLocationArray locationArray = ((location == null) ? | |
251 | new TmfLocationArray(fTraces.length) : | |
252 | ((TmfExperimentLocation) location).getLocationInfo()); | |
253 | ||
254 | ITmfLocation[] locations = locationArray.getLocations(); | |
255 | long[] ranks = locationArray.getRanks(); | |
256 | ||
a79913eb | 257 | // Create and populate the context's traces contexts |
ea271da6 | 258 | final TmfExperimentContext context = new TmfExperimentContext(fTraces.length); |
9b635e61 | 259 | |
d62bb185 | 260 | // Position the traces |
ea271da6 | 261 | long rank = 0; |
a79913eb FC |
262 | for (int i = 0; i < fTraces.length; i++) { |
263 | // Get the relevant trace attributes | |
ea271da6 PT |
264 | final ITmfContext traceContext = fTraces[i].seekEvent(locations[i]); |
265 | context.getContexts()[i] = traceContext; | |
266 | traceContext.setRank(ranks[i]); | |
267 | locations[i] = traceContext.getLocation(); // update location after seek | |
268 | context.getEvents()[i] = fTraces[i].getNext(traceContext); | |
269 | rank += ranks[i]; | |
a79913eb | 270 | } |
8f50c396 | 271 | |
a79913eb | 272 | // Finalize context |
ea271da6 | 273 | context.setLocation(new TmfExperimentLocation(new TmfLocationArray(locations, ranks))); |
a79913eb | 274 | context.setLastTrace(TmfExperimentContext.NO_TRACE); |
ea271da6 | 275 | context.setRank(rank); |
49e2f79a | 276 | |
9b749023 | 277 | return context; |
a79913eb | 278 | } |
9f584e4c | 279 | |
3bd44ac8 FC |
280 | // ------------------------------------------------------------------------ |
281 | // ITmfTrace - SeekEvent operations (returning a trace context) | |
282 | // ------------------------------------------------------------------------ | |
283 | ||
9e0640dc FC |
284 | /* (non-Javadoc) |
285 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#seekEvent(double) | |
286 | */ | |
c76c54bb | 287 | @Override |
0316808c | 288 | public ITmfContext seekEvent(final double ratio) { |
91f6e587 | 289 | final ITmfContext context = seekEvent(Math.round(ratio * getNbEvents())); |
c76c54bb FC |
290 | return context; |
291 | } | |
292 | ||
9e0640dc FC |
293 | /* (non-Javadoc) |
294 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#getLocationRatio(org.eclipse.linuxtools.tmf.core.trace.ITmfLocation) | |
295 | */ | |
a79913eb | 296 | @Override |
1e1bef82 | 297 | public double getLocationRatio(final ITmfLocation location) { |
9e0640dc | 298 | if (location instanceof TmfExperimentLocation) { |
ea271da6 PT |
299 | long rank = 0; |
300 | TmfLocationArray locationArray = ((TmfExperimentLocation) location).getLocationInfo(); | |
301 | for (int i = 0; i < locationArray.size(); i++) { | |
302 | rank += locationArray.getRank(i); | |
303 | } | |
304 | return (double) rank / getNbEvents(); | |
9e0640dc FC |
305 | } |
306 | return 0.0; | |
c76c54bb FC |
307 | } |
308 | ||
9e0640dc FC |
309 | /* (non-Javadoc) |
310 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#getCurrentLocation() | |
311 | */ | |
a79913eb | 312 | @Override |
1e1bef82 | 313 | public ITmfLocation getCurrentLocation() { |
ea271da6 PT |
314 | // never used |
315 | return null; | |
a79913eb | 316 | } |
c76c54bb | 317 | |
9e0640dc FC |
318 | // ------------------------------------------------------------------------ |
319 | // ITmfTrace trace positioning | |
320 | // ------------------------------------------------------------------------ | |
321 | ||
07671572 | 322 | /* (non-Javadoc) |
408e65d2 | 323 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfEventParser#parseEvent(org.eclipse.linuxtools.tmf.core.trace.ITmfContext) |
07671572 FC |
324 | */ |
325 | @Override | |
6256d8ad | 326 | public synchronized ITmfEvent parseEvent(final ITmfContext context) { |
ea271da6 PT |
327 | final ITmfContext tmpContext = seekEvent(context.getLocation()); |
328 | final ITmfEvent event = getNext(tmpContext); | |
07671572 FC |
329 | return event; |
330 | } | |
a79913eb | 331 | |
ce2388e0 | 332 | /* (non-Javadoc) |
408e65d2 | 333 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#getNext(org.eclipse.linuxtools.tmf.core.trace.ITmfContext) |
a79913eb | 334 | */ |
0316808c | 335 | @Override |
6256d8ad | 336 | public synchronized ITmfEvent getNext(ITmfContext context) { |
a79913eb FC |
337 | |
338 | // Validate the context | |
9e0640dc | 339 | if (!(context instanceof TmfExperimentContext)) { |
a79913eb | 340 | return null; // Throw an exception? |
9e0640dc | 341 | } |
0e8c76f8 BH |
342 | |
343 | // Make sure that we have something to read from | |
344 | if (fTraces == null) { | |
345 | return null; | |
346 | } | |
347 | ||
a87cc4ef | 348 | TmfExperimentContext expContext = (TmfExperimentContext) context; |
a79913eb | 349 | |
a87cc4ef | 350 | // If an event was consumed previously, first get the next one from that trace |
cbdacf03 | 351 | final int lastTrace = expContext.getLastTrace(); |
a79913eb | 352 | if (lastTrace != TmfExperimentContext.NO_TRACE) { |
cbdacf03 | 353 | final ITmfContext traceContext = expContext.getContexts()[lastTrace]; |
c32744d6 | 354 | expContext.getEvents()[lastTrace] = fTraces[lastTrace].getNext(traceContext); |
a79913eb | 355 | expContext.setLastTrace(TmfExperimentContext.NO_TRACE); |
a79913eb FC |
356 | } |
357 | ||
358 | // Scan the candidate events and identify the "next" trace to read from | |
359 | int trace = TmfExperimentContext.NO_TRACE; | |
a4115405 | 360 | ITmfTimestamp timestamp = TmfTimestamp.BIG_CRUNCH; |
0316808c | 361 | for (int i = 0; i < fTraces.length; i++) { |
cbdacf03 | 362 | final ITmfEvent event = expContext.getEvents()[i]; |
a79913eb | 363 | if (event != null && event.getTimestamp() != null) { |
cbdacf03 | 364 | final ITmfTimestamp otherTS = event.getTimestamp(); |
a79913eb FC |
365 | if (otherTS.compareTo(timestamp, true) < 0) { |
366 | trace = i; | |
367 | timestamp = otherTS; | |
368 | } | |
369 | } | |
370 | } | |
a87cc4ef | 371 | |
6256d8ad | 372 | ITmfEvent event = null; |
07671572 | 373 | if (trace != TmfExperimentContext.NO_TRACE) { |
6256d8ad | 374 | event = expContext.getEvents()[trace]; |
408e65d2 FC |
375 | if (event != null) { |
376 | updateAttributes(expContext, event.getTimestamp()); | |
408e65d2 FC |
377 | expContext.increaseRank(); |
378 | expContext.setLastTrace(trace); | |
17324c9a FC |
379 | final ITmfContext traceContext = expContext.getContexts()[trace]; |
380 | ||
ea271da6 PT |
381 | // Update the experiment location |
382 | TmfLocationArray locationArray = new TmfLocationArray( | |
383 | ((TmfExperimentLocation) expContext.getLocation()).getLocationInfo(), | |
384 | trace, traceContext.getLocation(), traceContext.getRank()); | |
385 | expContext.setLocation(new TmfExperimentLocation(locationArray)); | |
17324c9a | 386 | |
408e65d2 FC |
387 | processEvent(event); |
388 | } | |
07671572 | 389 | } |
a87cc4ef | 390 | |
a87cc4ef | 391 | return event; |
a79913eb FC |
392 | } |
393 | ||
66262ad8 BH |
394 | /* (non-Javadoc) |
395 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#getInitialRangeOffset() | |
396 | */ | |
397 | /** | |
398 | * @since 2.0 | |
399 | */ | |
400 | @Override | |
401 | public ITmfTimestamp getInitialRangeOffset() { | |
402 | if ((fTraces == null) || (fTraces.length == 0)) { | |
403 | return super.getInitialRangeOffset(); | |
404 | } | |
405 | ||
406 | ITmfTimestamp initTs = TmfTimestamp.BIG_CRUNCH; | |
407 | for (int i = 0; i < fTraces.length; i++) { | |
408 | ITmfTimestamp ts = fTraces[i].getInitialRangeOffset(); | |
409 | if (ts.compareTo(initTs) < 0) { | |
410 | initTs = ts; | |
411 | } | |
412 | } | |
413 | return initTs; | |
414 | } | |
415 | ||
bcbea6a6 | 416 | /* (non-Javadoc) |
a79913eb FC |
417 | * @see java.lang.Object#toString() |
418 | */ | |
419 | @Override | |
3b38ea61 | 420 | @SuppressWarnings("nls") |
5419a136 | 421 | public synchronized String toString() { |
a79913eb FC |
422 | return "[TmfExperiment (" + getName() + ")]"; |
423 | } | |
8c8bf09f ASL |
424 | |
425 | // ------------------------------------------------------------------------ | |
9e0640dc | 426 | // Streaming support |
8c8bf09f ASL |
427 | // ------------------------------------------------------------------------ |
428 | ||
1b70b6dc | 429 | private synchronized void initializeStreamingMonitor() { |
9e0640dc FC |
430 | |
431 | if (fInitialized) { | |
828e5592 | 432 | return; |
9e0640dc | 433 | } |
828e5592 PT |
434 | fInitialized = true; |
435 | ||
1b70b6dc | 436 | if (getStreamingInterval() == 0) { |
0316808c | 437 | final ITmfContext context = seekEvent(0); |
cbdacf03 | 438 | final ITmfEvent event = getNext(context); |
4c9f2944 | 439 | context.dispose(); |
9b749023 | 440 | if (event == null) { |
1b70b6dc | 441 | return; |
9b749023 | 442 | } |
4593bd5b | 443 | final TmfTimeRange timeRange = new TmfTimeRange(event.getTimestamp(), TmfTimestamp.BIG_CRUNCH); |
faa38350 | 444 | final TmfTraceRangeUpdatedSignal signal = new TmfTraceRangeUpdatedSignal(this, this, timeRange); |
828e5592 PT |
445 | |
446 | // Broadcast in separate thread to prevent deadlock | |
447 | new Thread() { | |
448 | @Override | |
449 | public void run() { | |
450 | broadcast(signal); | |
451 | } | |
452 | }.start(); | |
1b70b6dc PT |
453 | return; |
454 | } | |
455 | ||
9e0640dc | 456 | final Thread thread = new Thread("Streaming Monitor for experiment " + getName()) { //$NON-NLS-1$ |
bcbea6a6 | 457 | private ITmfTimestamp safeTimestamp = null; |
6be2d5cc | 458 | private ITmfTimestamp lastSafeTimestamp = null; |
bcbea6a6 | 459 | private TmfTimeRange timeRange = null; |
1b70b6dc PT |
460 | |
461 | @Override | |
462 | public void run() { | |
fc7cd0be | 463 | while (!executorIsShutdown()) { |
9e0640dc | 464 | if (!getIndexer().isIndexing()) { |
a4115405 FC |
465 | ITmfTimestamp startTimestamp = TmfTimestamp.BIG_CRUNCH; |
466 | ITmfTimestamp endTimestamp = TmfTimestamp.BIG_BANG; | |
6256d8ad | 467 | for (final ITmfTrace trace : fTraces) { |
9b749023 | 468 | if (trace.getStartTime().compareTo(startTimestamp) < 0) { |
1b70b6dc | 469 | startTimestamp = trace.getStartTime(); |
9b749023 AM |
470 | } |
471 | if (trace.getStreamingInterval() != 0 && trace.getEndTime().compareTo(endTimestamp) > 0) { | |
1b70b6dc | 472 | endTimestamp = trace.getEndTime(); |
9b749023 | 473 | } |
1b70b6dc | 474 | } |
6be2d5cc | 475 | if (safeTimestamp != null && (lastSafeTimestamp == null || safeTimestamp.compareTo(lastSafeTimestamp, false) > 0)) { |
1b70b6dc | 476 | timeRange = new TmfTimeRange(startTimestamp, safeTimestamp); |
6be2d5cc | 477 | lastSafeTimestamp = safeTimestamp; |
9b749023 | 478 | } else { |
1b70b6dc | 479 | timeRange = null; |
9b749023 | 480 | } |
1b70b6dc PT |
481 | safeTimestamp = endTimestamp; |
482 | if (timeRange != null) { | |
faa38350 PT |
483 | final TmfTraceRangeUpdatedSignal signal = |
484 | new TmfTraceRangeUpdatedSignal(TmfExperiment.this, TmfExperiment.this, timeRange); | |
1b70b6dc PT |
485 | broadcast(signal); |
486 | } | |
487 | } | |
488 | try { | |
489 | Thread.sleep(getStreamingInterval()); | |
cbdacf03 | 490 | } catch (final InterruptedException e) { |
1b70b6dc PT |
491 | e.printStackTrace(); |
492 | } | |
493 | } | |
494 | } | |
495 | }; | |
496 | thread.start(); | |
497 | } | |
498 | ||
9e0640dc | 499 | /* (non-Javadoc) |
1b70b6dc PT |
500 | * @see org.eclipse.linuxtools.tmf.trace.ITmfTrace#getStreamingInterval() |
501 | */ | |
502 | @Override | |
503 | public long getStreamingInterval() { | |
504 | long interval = 0; | |
6256d8ad | 505 | for (final ITmfTrace trace : fTraces) { |
1b70b6dc | 506 | interval = Math.max(interval, trace.getStreamingInterval()); |
9b749023 | 507 | } |
1b70b6dc PT |
508 | return interval; |
509 | } | |
510 | ||
8c8bf09f ASL |
511 | // ------------------------------------------------------------------------ |
512 | // Signal handlers | |
513 | // ------------------------------------------------------------------------ | |
514 | ||
faa38350 PT |
515 | /* (non-Javadoc) |
516 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#traceOpened(org.eclipse.linuxtools.tmf.core.signal.TmfTraceOpenedSignal) | |
828e5592 | 517 | */ |
faa38350 | 518 | @Override |
9e0640dc | 519 | @TmfSignalHandler |
faa38350 | 520 | public void traceOpened(TmfTraceOpenedSignal signal) { |
9e0640dc | 521 | if (signal.getTrace() == this) { |
faa38350 | 522 | initializeStreamingMonitor(); |
9e0640dc | 523 | } |
a1091415 PT |
524 | } |
525 | ||
4dc47e28 | 526 | } |