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6e512b93 | 1 | /******************************************************************************* |
c8422608 | 2 | * Copyright (c) 2009, 2013 Ericsson |
1b055dfa | 3 | * |
6e512b93 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 | |
1b055dfa | 8 | * |
6e512b93 | 9 | * Contributors: |
b59134e1 | 10 | * William Bourque - Initial API and implementation |
c392540b | 11 | * Yuriy Vashchuk - GUI reorganisation, simplification and some related code improvements. |
1b055dfa | 12 | * Yuriy Vashchuk - Histograms optimisation. |
c392540b FC |
13 | * Yuriy Vashchuk - Histogram Canvas Heritage correction |
14 | * Francois Chouinard - Cleanup and refactoring | |
e0752744 | 15 | * Francois Chouinard - Moved from LTTng to TMF |
6e512b93 | 16 | *******************************************************************************/ |
3e9fdb8b | 17 | |
e0752744 | 18 | package org.eclipse.linuxtools.tmf.ui.views.histogram; |
6e512b93 | 19 | |
e0752744 | 20 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
6c13869b | 21 | import org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest.ExecutionType; |
f6ad2e3d | 22 | import org.eclipse.linuxtools.tmf.core.request.TmfDataRequest; |
6c13869b FC |
23 | import org.eclipse.linuxtools.tmf.core.signal.TmfRangeSynchSignal; |
24 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; | |
38df2c82 | 25 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalThrottler; |
6c13869b | 26 | import org.eclipse.linuxtools.tmf.core.signal.TmfTimeSynchSignal; |
faa38350 PT |
27 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceClosedSignal; |
28 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceOpenedSignal; | |
29 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceRangeUpdatedSignal; | |
30 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceSelectedSignal; | |
31 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceUpdatedSignal; | |
3bd46eef AM |
32 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; |
33 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimeRange; | |
34 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp; | |
faa38350 | 35 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace; |
b59134e1 WB |
36 | import org.eclipse.linuxtools.tmf.ui.views.TmfView; |
37 | import org.eclipse.swt.SWT; | |
38 | import org.eclipse.swt.layout.GridData; | |
252ae4bd | 39 | import org.eclipse.swt.layout.GridLayout; |
6e512b93 | 40 | import org.eclipse.swt.widgets.Composite; |
6e512b93 | 41 | |
544fe9b7 | 42 | /** |
faa38350 | 43 | * The purpose of this view is to provide graphical time distribution statistics about the trace events. |
544fe9b7 | 44 | * <p> |
c392540b FC |
45 | * The view is composed of two histograms and two controls: |
46 | * <ul> | |
faa38350 | 47 | * <li>an event distribution histogram for the whole trace; |
c392540b FC |
48 | * <li>an event distribution histogram for current time window (window span); |
49 | * <li>the timestamp of the currently selected event; | |
50 | * <li>the window span (size of the time window of the smaller histogram). | |
51 | * </ul> | |
52 | * The histograms x-axis show their respective time range. | |
abbdd66a | 53 | * |
f8177ba2 | 54 | * @version 2.0 |
2af7df97 | 55 | * @author Francois Chouinard |
544fe9b7 | 56 | */ |
c392540b FC |
57 | public class HistogramView extends TmfView { |
58 | ||
59 | // ------------------------------------------------------------------------ | |
60 | // Constants | |
61 | // ------------------------------------------------------------------------ | |
62 | ||
b544077e BH |
63 | /** |
64 | * The view ID as defined in plugin.xml | |
65 | */ | |
e0752744 | 66 | public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.histogram"; //$NON-NLS-1$ |
c392540b | 67 | |
c392540b FC |
68 | // ------------------------------------------------------------------------ |
69 | // Attributes | |
70 | // ------------------------------------------------------------------------ | |
71 | ||
72 | // Parent widget | |
73 | private Composite fParent; | |
74 | ||
faa38350 PT |
75 | // The current trace |
76 | private ITmfTrace fTrace; | |
c392540b | 77 | |
f8177ba2 | 78 | // Current timestamp/time window - everything in the TIME_SCALE |
faa38350 PT |
79 | private long fTraceStartTime; |
80 | private long fTraceEndTime; | |
c392540b FC |
81 | private long fWindowStartTime; |
82 | private long fWindowEndTime; | |
d7ee91bb | 83 | private long fWindowSpan; |
c392540b FC |
84 | private long fCurrentTimestamp; |
85 | ||
86 | // Time controls | |
87 | private HistogramTextControl fCurrentEventTimeControl; | |
88 | private HistogramTextControl fTimeSpanControl; | |
89 | ||
90 | // Histogram/request for the full trace range | |
91 | private static FullTraceHistogram fFullTraceHistogram; | |
92 | private HistogramRequest fFullTraceRequest; | |
93 | ||
94 | // Histogram/request for the selected time range | |
95 | private static TimeRangeHistogram fTimeRangeHistogram; | |
96 | private HistogramRequest fTimeRangeRequest; | |
97 | ||
38df2c82 AM |
98 | // Throttlers for the time sync and time-range sync signals |
99 | private final TmfSignalThrottler fTimeSyncThrottle; | |
100 | private final TmfSignalThrottler fTimeRangeSyncThrottle; | |
101 | ||
c392540b FC |
102 | // ------------------------------------------------------------------------ |
103 | // Constructor | |
104 | // ------------------------------------------------------------------------ | |
105 | ||
b544077e BH |
106 | /** |
107 | * Default constructor | |
108 | */ | |
c392540b FC |
109 | public HistogramView() { |
110 | super(ID); | |
38df2c82 AM |
111 | fTimeSyncThrottle = new TmfSignalThrottler(this, 200); |
112 | fTimeRangeSyncThrottle = new TmfSignalThrottler(this, 200); | |
c392540b FC |
113 | } |
114 | ||
6a13fa07 | 115 | @Override |
c392540b | 116 | public void dispose() { |
1b055dfa | 117 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { |
4dc47e28 FC |
118 | fTimeRangeRequest.cancel(); |
119 | } | |
1b055dfa | 120 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { |
4dc47e28 FC |
121 | fFullTraceRequest.cancel(); |
122 | } | |
6a13fa07 FC |
123 | fFullTraceHistogram.dispose(); |
124 | fTimeRangeHistogram.dispose(); | |
f8177ba2 FC |
125 | fCurrentEventTimeControl.dispose(); |
126 | fTimeSpanControl.dispose(); | |
4dc47e28 | 127 | super.dispose(); |
c392540b FC |
128 | } |
129 | ||
130 | // ------------------------------------------------------------------------ | |
131 | // TmfView | |
132 | // ------------------------------------------------------------------------ | |
133 | ||
134 | @Override | |
c392540b FC |
135 | public void createPartControl(Composite parent) { |
136 | ||
137 | fParent = parent; | |
138 | ||
139 | // Control labels | |
140 | final String currentEventLabel = Messages.HistogramView_currentEventLabel; | |
141 | final String windowSpanLabel = Messages.HistogramView_windowSpanLabel; | |
142 | ||
143 | // -------------------------------------------------------------------- | |
144 | // Set the HistogramView layout | |
145 | // -------------------------------------------------------------------- | |
146 | ||
147 | Composite viewComposite = new Composite(fParent, SWT.FILL); | |
148 | GridLayout gridLayout = new GridLayout(); | |
149 | gridLayout.numColumns = 2; | |
150 | gridLayout.horizontalSpacing = 5; | |
151 | gridLayout.verticalSpacing = 0; | |
152 | gridLayout.marginHeight = 0; | |
153 | gridLayout.marginWidth = 0; | |
154 | viewComposite.setLayout(gridLayout); | |
155 | ||
156 | // Use all available space | |
157 | GridData gridData = new GridData(); | |
158 | gridData.horizontalAlignment = SWT.FILL; | |
159 | gridData.verticalAlignment = SWT.FILL; | |
160 | gridData.grabExcessHorizontalSpace = true; | |
161 | viewComposite.setLayoutData(gridData); | |
162 | ||
163 | // -------------------------------------------------------------------- | |
164 | // Time controls | |
165 | // -------------------------------------------------------------------- | |
166 | ||
167 | Composite controlsComposite = new Composite(viewComposite, SWT.FILL); | |
168 | gridLayout = new GridLayout(); | |
169 | gridLayout.numColumns = 2; | |
170 | gridLayout.marginHeight = 0; | |
171 | gridLayout.marginWidth = 0; | |
172 | gridLayout.horizontalSpacing = 5; | |
173 | gridLayout.verticalSpacing = 0; | |
f8177ba2 | 174 | gridLayout.makeColumnsEqualWidth = false; |
c392540b FC |
175 | gridLayout.marginLeft = 5; |
176 | gridLayout.marginRight = 5; | |
177 | controlsComposite.setLayout(gridLayout); | |
178 | ||
179 | // Current event time control | |
180 | gridData = new GridData(); | |
181 | gridData.horizontalAlignment = SWT.CENTER; | |
182 | gridData.verticalAlignment = SWT.CENTER; | |
f8177ba2 | 183 | fCurrentEventTimeControl = new HistogramCurrentTimeControl(this, controlsComposite, currentEventLabel, 0L); |
c392540b | 184 | fCurrentEventTimeControl.setLayoutData(gridData); |
da7bdcbc | 185 | fCurrentEventTimeControl.setValue(Long.MIN_VALUE); |
c392540b FC |
186 | |
187 | // Window span time control | |
188 | gridData = new GridData(); | |
189 | gridData.horizontalAlignment = SWT.CENTER; | |
190 | gridData.verticalAlignment = SWT.CENTER; | |
f8177ba2 | 191 | fTimeSpanControl = new HistogramTimeRangeControl(this, controlsComposite, windowSpanLabel, 0L); |
c392540b | 192 | fTimeSpanControl.setLayoutData(gridData); |
da7bdcbc | 193 | fTimeSpanControl.setValue(Long.MIN_VALUE); |
c392540b FC |
194 | |
195 | // -------------------------------------------------------------------- | |
196 | // Time range histogram | |
197 | // -------------------------------------------------------------------- | |
198 | ||
199 | Composite timeRangeComposite = new Composite(viewComposite, SWT.FILL); | |
200 | gridLayout = new GridLayout(); | |
201 | gridLayout.numColumns = 1; | |
202 | gridLayout.marginHeight = 0; | |
203 | gridLayout.marginWidth = 0; | |
204 | gridLayout.marginTop = 5; | |
205 | gridLayout.horizontalSpacing = 0; | |
206 | gridLayout.verticalSpacing = 0; | |
207 | gridLayout.marginLeft = 5; | |
208 | gridLayout.marginRight = 5; | |
209 | timeRangeComposite.setLayout(gridLayout); | |
210 | ||
211 | // Use remaining horizontal space | |
212 | gridData = new GridData(); | |
213 | gridData.horizontalAlignment = SWT.FILL; | |
214 | gridData.verticalAlignment = SWT.FILL; | |
215 | gridData.grabExcessHorizontalSpace = true; | |
216 | timeRangeComposite.setLayoutData(gridData); | |
217 | ||
218 | // Histogram | |
219 | fTimeRangeHistogram = new TimeRangeHistogram(this, timeRangeComposite); | |
220 | ||
221 | // -------------------------------------------------------------------- | |
222 | // Full range histogram | |
223 | // -------------------------------------------------------------------- | |
224 | ||
225 | Composite fullRangeComposite = new Composite(viewComposite, SWT.FILL); | |
226 | gridLayout = new GridLayout(); | |
227 | gridLayout.numColumns = 1; | |
228 | gridLayout.marginHeight = 0; | |
229 | gridLayout.marginWidth = 0; | |
230 | gridLayout.marginTop = 5; | |
231 | gridLayout.horizontalSpacing = 0; | |
232 | gridLayout.verticalSpacing = 0; | |
233 | gridLayout.marginLeft = 5; | |
234 | gridLayout.marginRight = 5; | |
235 | fullRangeComposite.setLayout(gridLayout); | |
236 | ||
237 | // Use remaining horizontal space | |
238 | gridData = new GridData(); | |
239 | gridData.horizontalAlignment = SWT.FILL; | |
240 | gridData.verticalAlignment = SWT.FILL; | |
241 | gridData.horizontalSpan = 2; | |
242 | gridData.grabExcessHorizontalSpace = true; | |
243 | fullRangeComposite.setLayoutData(gridData); | |
244 | ||
245 | // Histogram | |
246 | fFullTraceHistogram = new FullTraceHistogram(this, fullRangeComposite); | |
247 | ||
3ac5721a AM |
248 | ITmfTrace trace = getActiveTrace(); |
249 | if (trace != null) { | |
250 | traceSelected(new TmfTraceSelectedSignal(this, trace)); | |
1b055dfa | 251 | } |
ecfd1d41 | 252 | } |
c392540b FC |
253 | |
254 | @Override | |
c392540b | 255 | public void setFocus() { |
faa38350 | 256 | fFullTraceHistogram.fCanvas.setFocus(); |
833a21aa | 257 | } |
c392540b | 258 | |
f8177ba2 FC |
259 | void refresh() { |
260 | fParent.layout(true); | |
261 | } | |
262 | ||
c392540b FC |
263 | // ------------------------------------------------------------------------ |
264 | // Accessors | |
265 | // ------------------------------------------------------------------------ | |
266 | ||
faa38350 PT |
267 | /** |
268 | * Returns the current trace handled by the view | |
269 | * | |
270 | * @return the current trace | |
271 | * @since 2.0 | |
272 | */ | |
273 | public ITmfTrace getTrace() { | |
274 | return fTrace; | |
275 | } | |
276 | ||
b544077e BH |
277 | /** |
278 | * Returns the time range of the current selected window (base on default time scale). | |
abbdd66a | 279 | * |
b544077e | 280 | * @return the time range of current selected window. |
3bd46eef | 281 | * @since 2.0 |
b544077e | 282 | */ |
c392540b | 283 | public TmfTimeRange getTimeRange() { |
f8177ba2 FC |
284 | return new TmfTimeRange( |
285 | new TmfTimestamp(fWindowStartTime, ITmfTimestamp.NANOSECOND_SCALE), | |
286 | new TmfTimestamp(fWindowEndTime, ITmfTimestamp.NANOSECOND_SCALE)); | |
c392540b FC |
287 | } |
288 | ||
289 | // ------------------------------------------------------------------------ | |
290 | // Operations | |
291 | // ------------------------------------------------------------------------ | |
292 | ||
b544077e BH |
293 | /** |
294 | * Broadcast TmfSignal about new current time value. | |
295 | * @param newTime the new current time. | |
296 | */ | |
f8177ba2 | 297 | void updateCurrentEventTime(long newTime) { |
faa38350 | 298 | if (fTrace != null) { |
f8177ba2 | 299 | TmfTimeRange timeRange = new TmfTimeRange(new TmfTimestamp(newTime, ITmfTimestamp.NANOSECOND_SCALE), TmfTimestamp.BIG_CRUNCH); |
f6ad2e3d | 300 | HistogramRequest request = new HistogramRequest(fTimeRangeHistogram.getDataModel(), timeRange, 0, 1, 0, ExecutionType.FOREGROUND) { |
c392540b | 301 | @Override |
e0752744 | 302 | public void handleData(ITmfEvent event) { |
c392540b | 303 | if (event != null) { |
38df2c82 AM |
304 | ITmfTimestamp ts = event.getTimestamp(); |
305 | updateDisplayedCurrentTime(ts.normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue()); | |
306 | TmfTimeSynchSignal signal = new TmfTimeSynchSignal(this, ts); | |
307 | fTimeSyncThrottle.queue(signal); | |
c392540b FC |
308 | } |
309 | } | |
310 | }; | |
faa38350 | 311 | fTrace.sendRequest(request); |
c392540b FC |
312 | } |
313 | } | |
314 | ||
b544077e BH |
315 | /** |
316 | * Broadcast TmfSignal about new selected time range. | |
317 | * @param startTime the new start time | |
318 | * @param endTime the new end time | |
319 | */ | |
f8177ba2 | 320 | void updateTimeRange(long startTime, long endTime) { |
faa38350 | 321 | if (fTrace != null) { |
c392540b | 322 | // Build the new time range; keep the current time |
f8177ba2 FC |
323 | TmfTimeRange timeRange = new TmfTimeRange( |
324 | new TmfTimestamp(startTime, ITmfTimestamp.NANOSECOND_SCALE), | |
325 | new TmfTimestamp(endTime, ITmfTimestamp.NANOSECOND_SCALE)); | |
326 | ITmfTimestamp currentTime = new TmfTimestamp(fCurrentTimestamp, ITmfTimestamp.NANOSECOND_SCALE); | |
c392540b FC |
327 | fTimeSpanControl.setValue(endTime - startTime); |
328 | ||
38df2c82 AM |
329 | updateDisplayedTimeRange(startTime, endTime); |
330 | ||
c392540b FC |
331 | // Send the FW signal |
332 | TmfRangeSynchSignal signal = new TmfRangeSynchSignal(this, timeRange, currentTime); | |
38df2c82 | 333 | fTimeRangeSyncThrottle.queue(signal); |
c392540b FC |
334 | } |
335 | } | |
336 | ||
b544077e BH |
337 | /** |
338 | * Broadcast TmfSignal about new selected time range. | |
339 | * @param newDuration new duration (relative to current start time) | |
340 | */ | |
c392540b | 341 | public synchronized void updateTimeRange(long newDuration) { |
faa38350 | 342 | if (fTrace != null) { |
6a13fa07 | 343 | long delta = newDuration - fWindowSpan; |
1c6a842a | 344 | long newStartTime = fWindowStartTime - (delta / 2); |
6a13fa07 | 345 | setNewRange(newStartTime, newDuration); |
c392540b FC |
346 | } |
347 | } | |
348 | ||
349 | private void setNewRange(long startTime, long duration) { | |
41b5c37f AM |
350 | long realStart = startTime; |
351 | ||
352 | if (realStart < fTraceStartTime) { | |
353 | realStart = fTraceStartTime; | |
1b055dfa | 354 | } |
c392540b | 355 | |
41b5c37f | 356 | long endTime = realStart + duration; |
faa38350 PT |
357 | if (endTime > fTraceEndTime) { |
358 | endTime = fTraceEndTime; | |
1c6a842a | 359 | if ((endTime - duration) > fTraceStartTime) { |
41b5c37f | 360 | realStart = endTime - duration; |
1b055dfa | 361 | } else { |
41b5c37f | 362 | realStart = fTraceStartTime; |
6a13fa07 | 363 | } |
c392540b | 364 | } |
41b5c37f | 365 | updateTimeRange(realStart, endTime); |
833a21aa | 366 | } |
c392540b FC |
367 | |
368 | // ------------------------------------------------------------------------ | |
369 | // Signal handlers | |
370 | // ------------------------------------------------------------------------ | |
371 | ||
b544077e | 372 | /** |
faa38350 | 373 | * Handles trace opened signal. Loads histogram if new trace time range is not |
b544077e | 374 | * equal <code>TmfTimeRange.NULL_RANGE</code> |
faa38350 PT |
375 | * @param signal the trace selected signal |
376 | * @since 2.0 | |
b544077e | 377 | */ |
1406f802 | 378 | @TmfSignalHandler |
faa38350 | 379 | public void traceOpened(TmfTraceOpenedSignal signal) { |
c392540b | 380 | assert (signal != null); |
faa38350 PT |
381 | fTrace = signal.getTrace(); |
382 | loadTrace(); | |
ecfd1d41 | 383 | } |
550d787e | 384 | |
faa38350 PT |
385 | /** |
386 | * Handles trace selected signal. Loads histogram if new trace time range is not | |
387 | * equal <code>TmfTimeRange.NULL_RANGE</code> | |
388 | * @param signal the trace selected signal | |
389 | * @since 2.0 | |
390 | */ | |
391 | @TmfSignalHandler | |
392 | public void traceSelected(TmfTraceSelectedSignal signal) { | |
393 | assert (signal != null); | |
394 | if (fTrace != signal.getTrace()) { | |
395 | fTrace = signal.getTrace(); | |
396 | loadTrace(); | |
397 | } | |
398 | } | |
399 | ||
400 | private void loadTrace() { | |
c392540b FC |
401 | initializeHistograms(); |
402 | fParent.redraw(); | |
550d787e FC |
403 | } |
404 | ||
ea279a69 | 405 | /** |
faa38350 PT |
406 | * Handles trace closed signal. Clears the view and data model and cancels requests. |
407 | * @param signal the trace closed signal | |
ea279a69 FC |
408 | * @since 2.0 |
409 | */ | |
410 | @TmfSignalHandler | |
faa38350 PT |
411 | public void traceClosed(TmfTraceClosedSignal signal) { |
412 | ||
413 | if (signal.getTrace() != fTrace) { | |
414 | return; | |
415 | } | |
ea279a69 FC |
416 | |
417 | // Kill any running request | |
418 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { | |
419 | fTimeRangeRequest.cancel(); | |
420 | } | |
421 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { | |
422 | fFullTraceRequest.cancel(); | |
423 | } | |
424 | ||
425 | // Initialize the internal data | |
faa38350 PT |
426 | fTrace = null; |
427 | fTraceStartTime = 0L; | |
428 | fTraceEndTime = 0L; | |
f8177ba2 FC |
429 | fWindowStartTime = 0L; |
430 | fWindowEndTime = 0L; | |
d7ee91bb | 431 | fWindowSpan = 0L; |
f8177ba2 | 432 | fCurrentTimestamp = 0L; |
ea279a69 FC |
433 | |
434 | // Clear the UI widgets | |
435 | fFullTraceHistogram.clear(); | |
436 | fTimeRangeHistogram.clear(); | |
da7bdcbc | 437 | fCurrentEventTimeControl.setValue(Long.MIN_VALUE); |
f8177ba2 | 438 | |
da7bdcbc | 439 | fTimeSpanControl.setValue(Long.MIN_VALUE); |
ea279a69 FC |
440 | } |
441 | ||
b544077e | 442 | /** |
faa38350 | 443 | * Handles trace range updated signal. Extends histogram according to the new time range. If a |
b544077e BH |
444 | * HistogramRequest is already ongoing, it will be cancelled and a new request with the new range |
445 | * will be issued. | |
abbdd66a | 446 | * |
faa38350 PT |
447 | * @param signal the trace range updated signal |
448 | * @since 2.0 | |
b544077e | 449 | */ |
74237cc3 | 450 | @TmfSignalHandler |
faa38350 | 451 | public void traceRangeUpdated(TmfTraceRangeUpdatedSignal signal) { |
74237cc3 | 452 | |
faa38350 | 453 | if (signal.getTrace() != fTrace) { |
09d11238 PT |
454 | return; |
455 | } | |
456 | ||
74237cc3 FC |
457 | TmfTimeRange fullRange = signal.getRange(); |
458 | ||
faa38350 PT |
459 | fTraceStartTime = fullRange.getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); |
460 | fTraceEndTime = fullRange.getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
74237cc3 | 461 | |
faa38350 PT |
462 | fFullTraceHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
463 | fTimeRangeHistogram.setFullRange(fTraceStartTime, fTraceEndTime); | |
74237cc3 | 464 | |
74237cc3 FC |
465 | sendFullRangeRequest(fullRange); |
466 | } | |
c392540b | 467 | |
b544077e | 468 | /** |
faa38350 PT |
469 | * Handles the trace updated signal. Used to update time limits (start and end time) |
470 | * @param signal the trace updated signal | |
471 | * @since 2.0 | |
b544077e | 472 | */ |
a28d503d | 473 | @TmfSignalHandler |
faa38350 PT |
474 | public void traceUpdated(TmfTraceUpdatedSignal signal) { |
475 | if (signal.getTrace() != fTrace) { | |
a28d503d PT |
476 | return; |
477 | } | |
faa38350 PT |
478 | TmfTimeRange fullRange = signal.getTrace().getTimeRange(); |
479 | fTraceStartTime = fullRange.getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
480 | fTraceEndTime = fullRange.getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
a28d503d | 481 | |
faa38350 PT |
482 | fFullTraceHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
483 | fTimeRangeHistogram.setFullRange(fTraceStartTime, fTraceEndTime); | |
484 | ||
13ccc36b | 485 | fFullTraceHistogram.setTimeRange(fTimeRangeHistogram.getStartTime(), fWindowSpan); |
15844a4e | 486 | fTimeRangeHistogram.setTimeRange(fTimeRangeHistogram.getStartTime(), fWindowSpan); |
13ccc36b | 487 | |
faa38350 PT |
488 | if ((fFullTraceRequest != null) && fFullTraceRequest.getRange().getEndTime().compareTo(signal.getRange().getEndTime()) < 0) { |
489 | sendFullRangeRequest(fullRange); | |
490 | } | |
491 | } | |
a28d503d | 492 | |
b544077e BH |
493 | /** |
494 | * Handles the current time updated signal. Sets the current time in the time range | |
495 | * histogram as well as the full histogram. | |
abbdd66a | 496 | * |
b544077e BH |
497 | * @param signal the signal to process |
498 | */ | |
c392540b FC |
499 | @TmfSignalHandler |
500 | public void currentTimeUpdated(TmfTimeSynchSignal signal) { | |
501 | // Because this can't happen :-) | |
502 | assert (signal != null); | |
503 | ||
504 | // Update the selected event time | |
f8177ba2 | 505 | ITmfTimestamp currentTime = signal.getCurrentTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE); |
38df2c82 | 506 | updateDisplayedCurrentTime(currentTime.getValue()); |
ecfd1d41 | 507 | } |
f05aabed | 508 | |
b544077e BH |
509 | /** |
510 | * Updates the current time range in the time range histogram and full range histogram. | |
511 | * @param signal the signal to process | |
512 | */ | |
c392540b FC |
513 | @TmfSignalHandler |
514 | public void timeRangeUpdated(TmfRangeSynchSignal signal) { | |
515 | // Because this can't happen :-) | |
516 | assert (signal != null); | |
517 | ||
faa38350 | 518 | if (fTrace != null) { |
1c6a842a PT |
519 | // Validate the time range |
520 | TmfTimeRange range = signal.getCurrentRange().getIntersection(fTrace.getTimeRange()); | |
521 | if (range == null) { | |
522 | return; | |
523 | } | |
524 | ||
38df2c82 AM |
525 | updateDisplayedTimeRange( |
526 | range.getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(), | |
527 | range.getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue()); | |
c392540b | 528 | |
38df2c82 | 529 | // Send the event request to populate the small histogram |
c392540b | 530 | sendTimeRangeRequest(fWindowStartTime, fWindowEndTime); |
f8177ba2 | 531 | |
c392540b FC |
532 | fTimeSpanControl.setValue(fWindowSpan); |
533 | } | |
b59134e1 | 534 | } |
c392540b FC |
535 | |
536 | // ------------------------------------------------------------------------ | |
537 | // Helper functions | |
538 | // ------------------------------------------------------------------------ | |
539 | ||
540 | private void initializeHistograms() { | |
faa38350 | 541 | TmfTimeRange fullRange = updateTraceTimeRange(); |
248af329 AM |
542 | long timestamp = fTraceManager.getCurrentTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); |
543 | long startTime = fTraceManager.getCurrentRange().getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
544 | long duration = fTraceManager.getCurrentRange().getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue() - startTime; | |
74237cc3 | 545 | |
faa38350 PT |
546 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { |
547 | fTimeRangeRequest.cancel(); | |
548 | } | |
74237cc3 | 549 | fTimeRangeHistogram.clear(); |
faa38350 | 550 | fTimeRangeHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
d7ee91bb PT |
551 | fTimeRangeHistogram.setTimeRange(startTime, duration); |
552 | fTimeRangeHistogram.setCurrentEvent(timestamp); | |
c392540b | 553 | |
faa38350 PT |
554 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { |
555 | fFullTraceRequest.cancel(); | |
556 | } | |
74237cc3 | 557 | fFullTraceHistogram.clear(); |
faa38350 | 558 | fFullTraceHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
d7ee91bb PT |
559 | fFullTraceHistogram.setTimeRange(startTime, duration); |
560 | fFullTraceHistogram.setCurrentEvent(timestamp); | |
c392540b | 561 | |
d7ee91bb PT |
562 | fWindowStartTime = startTime; |
563 | fWindowSpan = duration; | |
564 | fWindowEndTime = startTime + duration; | |
6a13fa07 | 565 | |
d7ee91bb PT |
566 | fCurrentTimestamp = timestamp; |
567 | fCurrentEventTimeControl.setValue(fCurrentTimestamp); | |
f8177ba2 | 568 | |
d7ee91bb | 569 | fTimeSpanControl.setValue(duration); |
6a13fa07 | 570 | |
2af7df97 | 571 | if (!fullRange.equals(TmfTimeRange.NULL_RANGE)) { |
d7ee91bb | 572 | sendTimeRangeRequest(startTime, startTime + duration); |
2af7df97 FC |
573 | sendFullRangeRequest(fullRange); |
574 | } | |
74237cc3 FC |
575 | } |
576 | ||
38df2c82 AM |
577 | private void updateDisplayedCurrentTime(long time) { |
578 | fCurrentTimestamp = time; | |
579 | ||
580 | fFullTraceHistogram.setCurrentEvent(fCurrentTimestamp); | |
581 | fTimeRangeHistogram.setCurrentEvent(fCurrentTimestamp); | |
582 | fCurrentEventTimeControl.setValue(fCurrentTimestamp); | |
583 | } | |
584 | ||
585 | private void updateDisplayedTimeRange(long start, long end) { | |
586 | fWindowStartTime = start; | |
587 | fWindowEndTime = end; | |
588 | fWindowSpan = fWindowEndTime - fWindowStartTime; | |
589 | fFullTraceHistogram.setTimeRange(fWindowStartTime, fWindowSpan); | |
590 | } | |
591 | ||
faa38350 PT |
592 | private TmfTimeRange updateTraceTimeRange() { |
593 | fTraceStartTime = 0L; | |
594 | fTraceEndTime = 0L; | |
74237cc3 | 595 | |
faa38350 | 596 | TmfTimeRange timeRange = fTrace.getTimeRange(); |
c6023803 | 597 | if (!timeRange.equals(TmfTimeRange.NULL_RANGE)) { |
faa38350 PT |
598 | fTraceStartTime = timeRange.getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); |
599 | fTraceEndTime = timeRange.getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
74237cc3 FC |
600 | } |
601 | return timeRange; | |
b59134e1 | 602 | } |
c392540b FC |
603 | |
604 | private void sendTimeRangeRequest(long startTime, long endTime) { | |
1b055dfa | 605 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { |
c392540b | 606 | fTimeRangeRequest.cancel(); |
088c1d4e | 607 | } |
f8177ba2 FC |
608 | TmfTimestamp startTS = new TmfTimestamp(startTime, ITmfTimestamp.NANOSECOND_SCALE); |
609 | TmfTimestamp endTS = new TmfTimestamp(endTime, ITmfTimestamp.NANOSECOND_SCALE); | |
c392540b FC |
610 | TmfTimeRange timeRange = new TmfTimeRange(startTS, endTS); |
611 | ||
612 | fTimeRangeHistogram.clear(); | |
15844a4e | 613 | fTimeRangeHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
c392540b | 614 | fTimeRangeHistogram.setTimeRange(startTime, endTime - startTime); |
4cf201de | 615 | |
faa38350 | 616 | int cacheSize = fTrace.getCacheSize(); |
f6ad2e3d | 617 | fTimeRangeRequest = new HistogramRequest(fTimeRangeHistogram.getDataModel(), timeRange, 0, TmfDataRequest.ALL_DATA, cacheSize, ExecutionType.FOREGROUND); |
faa38350 | 618 | fTrace.sendRequest(fTimeRangeRequest); |
088c1d4e | 619 | } |
c392540b | 620 | |
74237cc3 | 621 | private void sendFullRangeRequest(TmfTimeRange fullRange) { |
1b055dfa | 622 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { |
c392540b FC |
623 | fFullTraceRequest.cancel(); |
624 | } | |
faa38350 | 625 | int cacheSize = fTrace.getCacheSize(); |
fbd124dd | 626 | fFullTraceRequest = new HistogramRequest(fFullTraceHistogram.getDataModel(), fullRange, (int) fFullTraceHistogram.fDataModel.getNbEvents(), |
f6ad2e3d | 627 | TmfDataRequest.ALL_DATA, cacheSize, ExecutionType.BACKGROUND); |
faa38350 | 628 | fTrace.sendRequest(fFullTraceRequest); |
ed4b3b9f | 629 | } |
c392540b | 630 | |
6e512b93 | 631 | } |