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fc526aef | 1 | /******************************************************************************* |
be4a197a | 2 | * Copyright (c) 2013, 2014 Ericsson |
fc526aef AM |
3 | * |
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 | |
8 | * | |
9 | * Contributors: | |
10 | * Alexandre Montplaisir - Initial API and implementation | |
0fcf3b09 | 11 | * Patrick Tasse - Support selection range |
d3de0920 | 12 | * Xavier Raynaud - Support filters tracking |
fc526aef AM |
13 | *******************************************************************************/ |
14 | ||
15 | package org.eclipse.linuxtools.tmf.core.trace; | |
16 | ||
e1385db9 | 17 | import java.io.File; |
3ec38c4c | 18 | import java.net.URISyntaxException; |
0f8687b4 | 19 | import java.util.Arrays; |
fab18d20 | 20 | import java.util.Collections; |
fc526aef | 21 | import java.util.LinkedHashMap; |
0f8687b4 | 22 | import java.util.LinkedHashSet; |
fc526aef | 23 | import java.util.Map; |
fab18d20 | 24 | import java.util.Set; |
fc526aef | 25 | |
deaae6e1 | 26 | import org.eclipse.core.resources.IFile; |
b5e8ee95 GB |
27 | import org.eclipse.core.resources.IFolder; |
28 | import org.eclipse.core.resources.IProject; | |
e1385db9 AM |
29 | import org.eclipse.core.resources.IResource; |
30 | import org.eclipse.core.runtime.CoreException; | |
1ac53e54 | 31 | import org.eclipse.core.runtime.URIUtil; |
0f8687b4 | 32 | import org.eclipse.jdt.annotation.NonNull; |
b5e8ee95 | 33 | import org.eclipse.linuxtools.internal.tmf.core.Activator; |
e1385db9 | 34 | import org.eclipse.linuxtools.tmf.core.TmfCommonConstants; |
d3de0920 XR |
35 | import org.eclipse.linuxtools.tmf.core.filter.ITmfFilter; |
36 | import org.eclipse.linuxtools.tmf.core.signal.TmfEventFilterAppliedSignal; | |
fc526aef AM |
37 | import org.eclipse.linuxtools.tmf.core.signal.TmfRangeSynchSignal; |
38 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; | |
39 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalManager; | |
40 | import org.eclipse.linuxtools.tmf.core.signal.TmfTimeSynchSignal; | |
41 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceClosedSignal; | |
42 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceOpenedSignal; | |
43 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceSelectedSignal; | |
44 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; | |
45 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimeRange; | |
46 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp; | |
47 | ||
48 | /** | |
49 | * Central trace manager for TMF. It tracks the currently opened traces and | |
0fcf3b09 | 50 | * experiment, as well as the currently-selected time or time range and the |
d3de0920 XR |
51 | * current window time range for each one of those. It also tracks filters |
52 | * applied for each trace. | |
fc526aef AM |
53 | * |
54 | * It's a singleton class, so only one instance should exist (available via | |
55 | * {@link #getInstance()}). | |
56 | * | |
57 | * @author Alexandre Montplaisir | |
58 | * @since 2.0 | |
59 | */ | |
60 | public final class TmfTraceManager { | |
61 | ||
62 | // ------------------------------------------------------------------------ | |
63 | // Attributes | |
64 | // ------------------------------------------------------------------------ | |
65 | ||
66 | private final Map<ITmfTrace, TmfTraceContext> fTraces; | |
67 | ||
68 | /** The currently-selected trace. Should always be part of the trace map */ | |
69 | private ITmfTrace fCurrentTrace = null; | |
70 | ||
3ec38c4c MAL |
71 | private static final String TEMP_DIR_NAME = ".temp"; //$NON-NLS-1$ |
72 | ||
fc526aef AM |
73 | // ------------------------------------------------------------------------ |
74 | // Constructor | |
75 | // ------------------------------------------------------------------------ | |
76 | ||
77 | private TmfTraceManager() { | |
a4524c1b | 78 | fTraces = new LinkedHashMap<>(); |
fc526aef AM |
79 | TmfSignalManager.registerVIP(this); |
80 | } | |
81 | ||
82 | /** Singleton instance */ | |
83 | private static TmfTraceManager tm = null; | |
84 | ||
85 | /** | |
86 | * Get an instance of the trace manager. | |
87 | * | |
88 | * @return The trace manager | |
89 | */ | |
90 | public static synchronized TmfTraceManager getInstance() { | |
91 | if (tm == null) { | |
92 | tm = new TmfTraceManager(); | |
93 | } | |
94 | return tm; | |
95 | } | |
96 | ||
97 | // ------------------------------------------------------------------------ | |
98 | // Accessors | |
99 | // ------------------------------------------------------------------------ | |
100 | ||
fc526aef | 101 | /** |
0fcf3b09 | 102 | * @return The begin timestamp of selection |
4b121c48 | 103 | * @since 2.1 |
0fcf3b09 PT |
104 | */ |
105 | public ITmfTimestamp getSelectionBeginTime() { | |
106 | return getCurrentTraceContext().getSelectionBegin(); | |
107 | } | |
108 | ||
109 | /** | |
110 | * @return The end timestamp of selection | |
4b121c48 | 111 | * @since 2.1 |
0fcf3b09 PT |
112 | */ |
113 | public ITmfTimestamp getSelectionEndTime() { | |
114 | return getCurrentTraceContext().getSelectionEnd(); | |
115 | } | |
116 | ||
117 | /** | |
118 | * Return the current window time range. | |
fc526aef | 119 | * |
0fcf3b09 | 120 | * @return the current window time range |
fc526aef AM |
121 | */ |
122 | public synchronized TmfTimeRange getCurrentRange() { | |
0fcf3b09 | 123 | return getCurrentTraceContext().getWindowRange(); |
fc526aef AM |
124 | } |
125 | ||
d3de0920 XR |
126 | /** |
127 | * Gets the filter applied to the current trace | |
128 | * | |
129 | * @return | |
130 | * a filter, or <code>null</code> | |
131 | * @since 2.2 | |
132 | */ | |
133 | public synchronized ITmfFilter getCurrentFilter() { | |
134 | return getCurrentTraceContext().getFilter(); | |
135 | } | |
136 | ||
fc526aef AM |
137 | /** |
138 | * Get the currently selected trace (normally, the focused editor). | |
139 | * | |
140 | * @return The active trace | |
141 | */ | |
142 | public synchronized ITmfTrace getActiveTrace() { | |
143 | return fCurrentTrace; | |
144 | } | |
145 | ||
146 | /** | |
a6fc3a28 | 147 | * Get the trace set of the currently active trace. |
fc526aef AM |
148 | * |
149 | * @return The active trace set | |
a6fc3a28 | 150 | * @see #getTraceSet(ITmfTrace) |
fc526aef AM |
151 | */ |
152 | public synchronized ITmfTrace[] getActiveTraceSet() { | |
153 | final ITmfTrace trace = fCurrentTrace; | |
a6fc3a28 | 154 | return getTraceSet(trace); |
fc526aef AM |
155 | } |
156 | ||
fab18d20 AM |
157 | /** |
158 | * Get the currently-opened traces, as an unmodifiable set. | |
159 | * | |
160 | * @return A set containing the opened traces | |
161 | */ | |
162 | public synchronized Set<ITmfTrace> getOpenedTraces() { | |
163 | return Collections.unmodifiableSet(fTraces.keySet()); | |
164 | } | |
165 | ||
deaae6e1 PT |
166 | /** |
167 | * Get the editor file for an opened trace. | |
168 | * | |
169 | * @param trace | |
170 | * the trace | |
171 | * @return the editor file or null if the trace is not opened | |
172 | * @since 3.0 | |
173 | */ | |
174 | public synchronized IFile getTraceEditorFile(ITmfTrace trace) { | |
175 | TmfTraceContext ctx = fTraces.get(trace); | |
176 | if (ctx != null) { | |
177 | return ctx.getEditorFile(); | |
178 | } | |
179 | return null; | |
180 | } | |
181 | ||
fc526aef AM |
182 | private TmfTraceContext getCurrentTraceContext() { |
183 | TmfTraceContext curCtx = fTraces.get(fCurrentTrace); | |
184 | if (curCtx == null) { | |
185 | /* There are no traces opened at the moment. */ | |
186 | return TmfTraceContext.NULL_CONTEXT; | |
187 | } | |
188 | return curCtx; | |
189 | } | |
190 | ||
e1385db9 AM |
191 | // ------------------------------------------------------------------------ |
192 | // Public utility methods | |
193 | // ------------------------------------------------------------------------ | |
194 | ||
a6fc3a28 AM |
195 | /** |
196 | * Get the trace set of a given trace. For a standard trace, this is simply | |
197 | * an array with only that trace in it. For experiments, this is an array of | |
198 | * all the traces contained in this experiment. | |
199 | * | |
200 | * @param trace | |
201 | * The trace or experiment | |
202 | * @return The corresponding trace set | |
203 | */ | |
204 | public static ITmfTrace[] getTraceSet(ITmfTrace trace) { | |
205 | if (trace == null) { | |
206 | return null; | |
207 | } | |
208 | if (trace instanceof TmfExperiment) { | |
209 | TmfExperiment exp = (TmfExperiment) trace; | |
210 | return exp.getTraces(); | |
211 | } | |
212 | return new ITmfTrace[] { trace }; | |
213 | } | |
214 | ||
0f8687b4 GB |
215 | /** |
216 | * Get the trace set of a given trace or experiment, including the | |
217 | * experiment. For a standard trace, this is simply a set containing only | |
218 | * that trace. For experiments, it is the set of all the traces contained in | |
219 | * this experiment, along with the experiment. | |
220 | * | |
221 | * @param trace | |
222 | * The trace or experiment | |
223 | * @return The corresponding trace set, including the experiment | |
224 | * @since 3.1 | |
225 | */ | |
226 | public static @NonNull Set<ITmfTrace> getTraceSetWithExperiment(ITmfTrace trace) { | |
227 | if (trace == null) { | |
228 | @SuppressWarnings("null") | |
229 | @NonNull Set<ITmfTrace> emptySet = Collections.EMPTY_SET; | |
230 | return emptySet; | |
231 | } | |
232 | if (trace instanceof TmfExperiment) { | |
233 | TmfExperiment exp = (TmfExperiment) trace; | |
234 | ITmfTrace[] traces = exp.getTraces(); | |
235 | Set<ITmfTrace> alltraces = new LinkedHashSet<>(Arrays.asList(traces)); | |
236 | alltraces.add(exp); | |
237 | return alltraces; | |
238 | } | |
239 | @SuppressWarnings("null") | |
240 | @NonNull Set<ITmfTrace> singleton = Collections.singleton(trace); | |
241 | return singleton; | |
242 | } | |
243 | ||
e1385db9 AM |
244 | /** |
245 | * Return the path (as a string) to the directory for supplementary files to | |
246 | * use with a given trace. If no supplementary file directory has been | |
247 | * configured, a temporary directory based on the trace's name will be | |
248 | * provided. | |
249 | * | |
250 | * @param trace | |
251 | * The trace | |
252 | * @return The path to the supplementary file directory (trailing slash is | |
253 | * INCLUDED!) | |
254 | */ | |
255 | public static String getSupplementaryFileDir(ITmfTrace trace) { | |
256 | IResource resource = trace.getResource(); | |
257 | if (resource == null) { | |
258 | return getTemporaryDir(trace); | |
259 | } | |
260 | ||
261 | String supplDir = null; | |
262 | try { | |
263 | supplDir = resource.getPersistentProperty(TmfCommonConstants.TRACE_SUPPLEMENTARY_FOLDER); | |
264 | } catch (CoreException e) { | |
265 | return getTemporaryDir(trace); | |
266 | } | |
267 | return supplDir + File.separator; | |
268 | } | |
269 | ||
b5e8ee95 GB |
270 | /** |
271 | * Refresh the supplementary files resources for a trace, so it can pick up | |
272 | * new files that got created. | |
273 | * | |
274 | * @param trace | |
275 | * The trace for which to refresh the supplementary files | |
276 | * @since 3.0 | |
277 | */ | |
278 | public static void refreshSupplementaryFiles(ITmfTrace trace) { | |
279 | IResource resource = trace.getResource(); | |
88567ed2 | 280 | if (resource != null && resource.exists()) { |
b5e8ee95 GB |
281 | String supplFolderPath = getSupplementaryFileDir(trace); |
282 | IProject project = resource.getProject(); | |
283 | /* Remove the project's path from the supplementary path dir */ | |
284 | if (!supplFolderPath.startsWith(project.getLocationURI().getPath())) { | |
285 | Activator.logWarning(String.format("Supplementary files folder for trace %s is not within the project.", trace.getName())); //$NON-NLS-1$ | |
286 | return; | |
287 | } | |
288 | IFolder supplFolder = project.getFolder(supplFolderPath.substring(project.getLocationURI().getPath().length())); | |
289 | if (supplFolder.exists()) { | |
290 | try { | |
291 | supplFolder.refreshLocal(IResource.DEPTH_INFINITE, null); | |
292 | } catch (CoreException e) { | |
293 | Activator.logError("Error refreshing resources", e); //$NON-NLS-1$ | |
294 | } | |
295 | } | |
296 | } | |
297 | } | |
298 | ||
fc526aef AM |
299 | // ------------------------------------------------------------------------ |
300 | // Signal handlers | |
301 | // ------------------------------------------------------------------------ | |
302 | ||
303 | /** | |
304 | * Signal handler for the traceOpened signal. | |
305 | * | |
306 | * @param signal | |
307 | * The incoming signal | |
308 | */ | |
309 | @TmfSignalHandler | |
310 | public synchronized void traceOpened(final TmfTraceOpenedSignal signal) { | |
311 | final ITmfTrace trace = signal.getTrace(); | |
deaae6e1 | 312 | final IFile editorFile = signal.getEditorFile(); |
fc526aef AM |
313 | final ITmfTimestamp startTs = trace.getStartTime(); |
314 | ||
315 | /* Calculate the initial time range */ | |
316 | final int SCALE = ITmfTimestamp.NANOSECOND_SCALE; | |
317 | long offset = trace.getInitialRangeOffset().normalize(0, SCALE).getValue(); | |
318 | long endTime = startTs.normalize(0, SCALE).getValue() + offset; | |
319 | final TmfTimeRange startTr = new TmfTimeRange(startTs, new TmfTimestamp(endTime, SCALE)); | |
320 | ||
deaae6e1 | 321 | final TmfTraceContext startCtx = new TmfTraceContext(startTs, startTs, startTr, editorFile); |
fc526aef AM |
322 | |
323 | fTraces.put(trace, startCtx); | |
324 | ||
325 | /* We also want to set the newly-opened trace as the active trace */ | |
326 | fCurrentTrace = trace; | |
327 | } | |
328 | ||
329 | ||
330 | /** | |
331 | * Handler for the TmfTraceSelectedSignal. | |
332 | * | |
333 | * @param signal | |
334 | * The incoming signal | |
335 | */ | |
336 | @TmfSignalHandler | |
337 | public synchronized void traceSelected(final TmfTraceSelectedSignal signal) { | |
338 | final ITmfTrace newTrace = signal.getTrace(); | |
339 | if (!fTraces.containsKey(newTrace)) { | |
340 | throw new RuntimeException(); | |
341 | } | |
342 | fCurrentTrace = newTrace; | |
343 | } | |
344 | ||
d3de0920 XR |
345 | /** |
346 | * Signal handler for the filterApplied signal. | |
347 | * | |
348 | * @param signal | |
349 | * The incoming signal | |
350 | * @since 2.2 | |
351 | */ | |
352 | @TmfSignalHandler | |
353 | public synchronized void filterApplied(TmfEventFilterAppliedSignal signal) { | |
354 | final ITmfTrace newTrace = signal.getTrace(); | |
355 | TmfTraceContext context = fTraces.get(newTrace); | |
356 | if (context == null) { | |
357 | throw new RuntimeException(); | |
358 | } | |
359 | fTraces.put(newTrace, new TmfTraceContext(context, signal.getEventFilter())); | |
360 | } | |
361 | ||
fc526aef AM |
362 | /** |
363 | * Signal handler for the traceClosed signal. | |
364 | * | |
365 | * @param signal | |
366 | * The incoming signal | |
367 | */ | |
368 | @TmfSignalHandler | |
369 | public synchronized void traceClosed(final TmfTraceClosedSignal signal) { | |
3fcf269e | 370 | fTraces.remove(signal.getTrace()); |
fc526aef AM |
371 | if (fTraces.size() == 0) { |
372 | fCurrentTrace = null; | |
373 | /* | |
374 | * In other cases, we should receive a traceSelected signal that | |
375 | * will indicate which trace is the new one. | |
376 | */ | |
377 | } | |
378 | } | |
379 | ||
380 | /** | |
381 | * Signal handler for the TmfTimeSynchSignal signal. | |
382 | * | |
383 | * The current time of *all* traces whose range contains the requested new | |
0fcf3b09 | 384 | * selection time range will be updated. |
fc526aef AM |
385 | * |
386 | * @param signal | |
387 | * The incoming signal | |
388 | */ | |
389 | @TmfSignalHandler | |
390 | public synchronized void timeUpdated(final TmfTimeSynchSignal signal) { | |
0fcf3b09 PT |
391 | final ITmfTimestamp beginTs = signal.getBeginTime(); |
392 | final ITmfTimestamp endTs = signal.getEndTime(); | |
fc526aef AM |
393 | |
394 | for (Map.Entry<ITmfTrace, TmfTraceContext> entry : fTraces.entrySet()) { | |
395 | final ITmfTrace trace = entry.getKey(); | |
0fcf3b09 | 396 | if (beginTs.intersects(getValidTimeRange(trace)) || endTs.intersects(getValidTimeRange(trace))) { |
fc526aef | 397 | TmfTraceContext prevCtx = entry.getValue(); |
0fcf3b09 | 398 | TmfTraceContext newCtx = new TmfTraceContext(prevCtx, beginTs, endTs); |
fc526aef AM |
399 | entry.setValue(newCtx); |
400 | } | |
401 | } | |
402 | } | |
403 | ||
404 | /** | |
405 | * Signal handler for the TmfRangeSynchSignal signal. | |
406 | * | |
0fcf3b09 | 407 | * The current window time range of *all* valid traces will be updated |
fc526aef AM |
408 | * to the new requested times. |
409 | * | |
410 | * @param signal | |
411 | * The incoming signal | |
412 | */ | |
413 | @TmfSignalHandler | |
414 | public synchronized void timeRangeUpdated(final TmfRangeSynchSignal signal) { | |
fc526aef AM |
415 | for (Map.Entry<ITmfTrace, TmfTraceContext> entry : fTraces.entrySet()) { |
416 | final ITmfTrace trace = entry.getKey(); | |
417 | final TmfTraceContext curCtx = entry.getValue(); | |
418 | ||
419 | final TmfTimeRange validTr = getValidTimeRange(trace); | |
420 | ||
fc526aef AM |
421 | /* Determine the new time range */ |
422 | TmfTimeRange targetTr = signal.getCurrentRange().getIntersection(validTr); | |
0fcf3b09 | 423 | TmfTimeRange newTr = (targetTr == null ? curCtx.getWindowRange() : targetTr); |
fc526aef AM |
424 | |
425 | /* Update the values */ | |
0fcf3b09 | 426 | TmfTraceContext newCtx = new TmfTraceContext(curCtx, newTr); |
fc526aef AM |
427 | entry.setValue(newCtx); |
428 | } | |
429 | } | |
430 | ||
431 | // ------------------------------------------------------------------------ | |
e1385db9 | 432 | // Private utility methods |
fc526aef AM |
433 | // ------------------------------------------------------------------------ |
434 | ||
435 | /** | |
0fcf3b09 PT |
436 | * Return the valid time range of a trace (not the current window time |
437 | * range, but the range of all possible valid timestamps). | |
fc526aef AM |
438 | * |
439 | * For a real trace this is the whole range of the trace. For an experiment, | |
440 | * it goes from the start time of the earliest trace to the end time of the | |
441 | * latest one. | |
442 | * | |
443 | * @param trace | |
444 | * The trace to check for | |
445 | * @return The valid time span, or 'null' if the trace is not valid | |
446 | */ | |
447 | private TmfTimeRange getValidTimeRange(ITmfTrace trace) { | |
448 | if (!fTraces.containsKey(trace)) { | |
449 | /* Trace is not part of the currently opened traces */ | |
450 | return null; | |
451 | } | |
452 | if (!(trace instanceof TmfExperiment)) { | |
453 | /* "trace" is a single trace, return its time range directly */ | |
454 | return trace.getTimeRange(); | |
455 | } | |
456 | final ITmfTrace[] traces = ((TmfExperiment) trace).getTraces(); | |
457 | if (traces.length == 0) { | |
458 | /* We are being trolled */ | |
459 | return null; | |
460 | } | |
461 | if (traces.length == 1) { | |
462 | /* Trace is an experiment with only 1 trace */ | |
463 | return traces[0].getTimeRange(); | |
464 | } | |
465 | /* | |
466 | * Trace is an experiment with 2+ traces, so get the earliest start and | |
467 | * the latest end. | |
468 | */ | |
469 | ITmfTimestamp start = traces[0].getStartTime(); | |
470 | ITmfTimestamp end = traces[0].getEndTime(); | |
471 | for (int i = 1; i < traces.length; i++) { | |
472 | ITmfTrace curTrace = traces[i]; | |
473 | if (curTrace.getStartTime().compareTo(start) < 0) { | |
474 | start = curTrace.getStartTime(); | |
475 | } | |
476 | if (curTrace.getEndTime().compareTo(end) > 0) { | |
477 | end = curTrace.getEndTime(); | |
478 | } | |
479 | } | |
480 | return new TmfTimeRange(start, end); | |
481 | } | |
e1385db9 | 482 | |
3ec38c4c MAL |
483 | /** |
484 | * Get the temporary directory path. If there is an instance of Eclipse | |
485 | * running, the temporary directory will reside under the workspace. | |
486 | * | |
487 | * @return the temporary directory path suitable to be passed to the | |
488 | * java.io.File constructor without a trailing separator | |
a465519a | 489 | * @since 3.2 |
3ec38c4c MAL |
490 | */ |
491 | public static String getTemporaryDirPath() { | |
492 | // Get the workspace path from the properties | |
493 | String property = System.getProperty("osgi.instance.area"); //$NON-NLS-1$ | |
494 | if (property != null) { | |
495 | try { | |
1ac53e54 | 496 | File dir = URIUtil.toFile(URIUtil.fromString(property)); |
3ec38c4c MAL |
497 | dir = new File(dir.getAbsolutePath() + File.separator + TEMP_DIR_NAME); |
498 | if (!dir.exists()) { | |
499 | dir.mkdirs(); | |
500 | } | |
501 | return dir.getAbsolutePath(); | |
502 | } catch (URISyntaxException e) { | |
503 | Activator.logError(e.getLocalizedMessage(), e); | |
504 | } | |
505 | } | |
506 | return System.getProperty("java.io.tmpdir"); //$NON-NLS-1$ | |
507 | } | |
508 | ||
e1385db9 | 509 | /** |
6e4358bd AM |
510 | * Get a temporary directory based on a trace's name. We will create the |
511 | * directory if it doesn't exist, so that it's ready to be used. | |
e1385db9 AM |
512 | */ |
513 | private static String getTemporaryDir(ITmfTrace trace) { | |
3ec38c4c | 514 | String pathName = getTemporaryDirPath() + |
e1385db9 AM |
515 | File.separator + |
516 | trace.getName() + | |
517 | File.separator; | |
6e4358bd AM |
518 | File dir = new File(pathName); |
519 | if (!dir.exists()) { | |
520 | dir.mkdirs(); | |
521 | } | |
522 | return pathName; | |
e1385db9 | 523 | } |
fc526aef | 524 | } |