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a3fc8213 AM |
1 | package org.eclipse.linuxtools.tmf.core.ctfadaptor; |
2 | ||
3 | import java.io.FileNotFoundException; | |
a3fc8213 AM |
4 | |
5 | import org.eclipse.core.resources.IProject; | |
6 | import org.eclipse.core.resources.IResource; | |
7 | import org.eclipse.linuxtools.ctf.core.trace.CTFReaderException; | |
8 | import org.eclipse.linuxtools.ctf.core.trace.CTFTrace; | |
9 | import org.eclipse.linuxtools.tmf.core.component.TmfEventProvider; | |
10 | import org.eclipse.linuxtools.tmf.core.event.ITmfTimestamp; | |
11 | import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange; | |
12 | import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp; | |
13 | import org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest; | |
14 | import org.eclipse.linuxtools.tmf.core.request.ITmfEventRequest; | |
15 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignal; | |
16 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalManager; | |
17 | import org.eclipse.linuxtools.tmf.core.trace.ITmfContext; | |
18 | import org.eclipse.linuxtools.tmf.core.trace.ITmfLocation; | |
19 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace; | |
a3fc8213 AM |
20 | |
21 | public class CtfTmfTrace extends TmfEventProvider<CtfTmfEvent> implements | |
22 | ITmfTrace<CtfTmfEvent> { | |
23 | ||
24 | // ------------------------------------------------------------------------ | |
25 | // Constants | |
26 | // ------------------------------------------------------------------------ | |
27 | ||
a3fc8213 AM |
28 | // ------------------------------------------------------------------------ |
29 | // Attributes | |
30 | // ------------------------------------------------------------------------ | |
31 | ||
32 | // the Ctf Trace | |
33 | private CTFTrace fTrace; | |
34 | ||
a3fc8213 AM |
35 | // The number of events collected |
36 | protected long fNbEvents = 0; | |
37 | ||
38 | // The time span of the event stream | |
39 | private ITmfTimestamp fStartTime = TmfTimestamp.BIG_CRUNCH; | |
40 | private ITmfTimestamp fEndTime = TmfTimestamp.BIG_BANG; | |
41 | ||
42 | // The trace resource | |
43 | private IResource fResource; | |
44 | ||
45 | /* | |
46 | * Since in TMF, "traces" can read events, this trace here will have its own | |
47 | * iterator. The user can instantiate extra iterator if they want to seek at | |
48 | * many places at the same time. | |
49 | */ | |
50 | protected CtfIterator iterator; | |
51 | ||
52 | // ------------------------------------------------------------------------ | |
53 | // Constructors | |
54 | // ------------------------------------------------------------------------ | |
55 | ||
56 | public CtfTmfTrace() { | |
57 | super(); | |
58 | } | |
59 | ||
ce2388e0 | 60 | @SuppressWarnings("unused") |
a3fc8213 | 61 | @Override |
3118edf1 | 62 | public void initTrace(String name, String path, Class<CtfTmfEvent> eventType) |
a3fc8213 AM |
63 | throws FileNotFoundException { |
64 | try { | |
65 | this.fTrace = new CTFTrace(path); | |
66 | } catch (CTFReaderException e) { | |
67 | /* | |
68 | * If it failed at the init(), we can assume it's because the file | |
69 | * was not found or was not recognized as a CTF trace. Throw into | |
70 | * the new type of exception expected by the rest of TMF. | |
71 | */ | |
a3fc8213 AM |
72 | throw new FileNotFoundException(e.getMessage()); |
73 | } | |
74 | this.iterator = new CtfIterator(this, 0, 0); | |
75 | setStartTime(iterator.getCurrentEvent().getTimestamp()); | |
76 | TmfSignalManager.register(this); | |
77 | // this.currLocation.setTimestamp(this.fEvent.getTimestamp().getValue()); | |
78 | // this.fStartTime = new TmfSimpleTimestamp(this.currLocation | |
79 | // .getLocation().getStartTime()); | |
80 | // this.fEndTime = new TmfSimpleTimestamp(this.currLocation | |
81 | // .getLocation().getEndTime()); | |
82 | // setTimeRange(new TmfTimeRange(this.fStartTime.clone(), | |
83 | // this.fEndTime.clone())); | |
84 | } | |
85 | ||
ce2388e0 | 86 | @SuppressWarnings("unused") |
a3fc8213 | 87 | @Override |
8636b448 | 88 | public void indexTrace(boolean waitForCompletion) { |
ce2388e0 | 89 | // do nothing |
a3fc8213 AM |
90 | } |
91 | ||
92 | @Override | |
93 | public void dispose() { | |
94 | TmfSignalManager.deregister(this); | |
95 | } | |
96 | ||
97 | @Override | |
98 | public void broadcast(TmfSignal signal) { | |
99 | TmfSignalManager.dispatchSignal(signal); | |
100 | } | |
101 | ||
ce2388e0 | 102 | @SuppressWarnings("unused") |
a3fc8213 AM |
103 | @Override |
104 | public boolean validate(IProject project, String path) { | |
105 | try { | |
106 | final CTFTrace temp = new CTFTrace(path); | |
107 | return temp.majortIsSet(); // random test | |
90235d6b AM |
108 | } catch (CTFReaderException e) { |
109 | /* Nope, not a CTF trace we can read */ | |
110 | return false; | |
a3fc8213 | 111 | } |
a3fc8213 AM |
112 | } |
113 | ||
114 | @Override | |
115 | public CtfTmfTrace clone() throws CloneNotSupportedException { | |
116 | CtfTmfTrace clone = null; | |
117 | clone = (CtfTmfTrace) super.clone(); | |
a3fc8213 AM |
118 | clone.fStartTime = this.fStartTime.clone(); |
119 | clone.fEndTime = this.fEndTime.clone(); | |
120 | clone.fTrace = this.fTrace; | |
121 | return clone; | |
122 | } | |
123 | ||
a3fc8213 AM |
124 | // ------------------------------------------------------------------------ |
125 | // Accessors | |
126 | // ------------------------------------------------------------------------ | |
127 | ||
ce2388e0 FC |
128 | public int getNbEnvVars() { |
129 | return this.fTrace.getEnvironment().size(); | |
130 | } | |
131 | ||
132 | ||
133 | public String[] getEnvNames() { | |
134 | String[] s = new String[getNbEnvVars()]; | |
135 | return this.fTrace.getEnvironment().keySet().toArray(s); | |
136 | } | |
137 | ||
138 | public String getEnvValue(String key) { | |
139 | return this.fTrace.getEnvironment().get(key); | |
140 | } | |
141 | ||
142 | ||
a3fc8213 AM |
143 | /** |
144 | * @return the trace path | |
145 | */ | |
146 | @Override | |
147 | public String getPath() { | |
148 | return this.fTrace.getPath(); | |
149 | } | |
150 | ||
151 | @Override | |
152 | public String getName() { | |
153 | String temp[] = this.fTrace.getPath().split( | |
154 | System.getProperty("file.separator")); //$NON-NLS-1$ | |
155 | if (temp.length > 2) { | |
156 | return temp[temp.length - 1]; | |
157 | } | |
158 | return temp[0]; | |
159 | } | |
160 | ||
161 | @Override | |
3118edf1 | 162 | public int getIndexPageSize() { |
ce2388e0 | 163 | return 50000; // not true, but it works |
a3fc8213 AM |
164 | } |
165 | ||
166 | @Override | |
167 | public long getNbEvents() { | |
168 | return this.fNbEvents; | |
169 | } | |
170 | ||
171 | @Override | |
172 | public TmfTimeRange getTimeRange() { | |
173 | return new TmfTimeRange(this.fStartTime, this.fEndTime); | |
174 | } | |
175 | ||
176 | @Override | |
177 | public ITmfTimestamp getStartTime() { | |
178 | return this.fStartTime; | |
179 | } | |
180 | ||
181 | @Override | |
182 | public ITmfTimestamp getEndTime() { | |
183 | return this.fEndTime; | |
184 | } | |
185 | ||
186 | @Override | |
187 | public ITmfLocation<?> getCurrentLocation() { | |
188 | return iterator.getLocation(); | |
189 | } | |
190 | ||
191 | @Override | |
192 | public long getRank(ITmfTimestamp timestamp) { | |
193 | ITmfContext context = seekEvent(timestamp); | |
194 | return context.getRank(); | |
195 | } | |
196 | ||
197 | // ------------------------------------------------------------------------ | |
198 | // Operators | |
199 | // ------------------------------------------------------------------------ | |
200 | ||
201 | protected void setTimeRange(TmfTimeRange range) { | |
202 | this.fStartTime = range.getStartTime(); | |
203 | this.fEndTime = range.getEndTime(); | |
204 | } | |
205 | ||
206 | protected void setStartTime(ITmfTimestamp startTime) { | |
207 | this.fStartTime = startTime; | |
208 | } | |
209 | ||
210 | protected void setEndTime(ITmfTimestamp endTime) { | |
211 | this.fEndTime = endTime; | |
212 | } | |
213 | ||
214 | // ------------------------------------------------------------------------ | |
215 | // TmfProvider | |
216 | // ------------------------------------------------------------------------ | |
217 | ||
218 | @Override | |
219 | public ITmfContext armRequest(ITmfDataRequest<CtfTmfEvent> request) { | |
220 | if ((request instanceof ITmfEventRequest<?>) | |
ce2388e0 FC |
221 | && !TmfTimestamp.BIG_BANG |
222 | .equals(((ITmfEventRequest<CtfTmfEvent>) request) | |
223 | .getRange().getStartTime()) | |
a3fc8213 | 224 | && (request.getIndex() == 0)) { |
ce2388e0 FC |
225 | ITmfContext context = seekEvent(((ITmfEventRequest<CtfTmfEvent>) request) |
226 | .getRange().getStartTime()); | |
227 | ((ITmfEventRequest<CtfTmfEvent>) request) | |
228 | .setStartIndex((int) context.getRank()); | |
a3fc8213 AM |
229 | return context; |
230 | } | |
231 | return seekEvent(request.getIndex()); | |
232 | } | |
233 | ||
234 | /** | |
235 | * The trace reader keeps its own iterator: the "context" parameter here | |
236 | * will be ignored. | |
ce2388e0 | 237 | * |
a3fc8213 AM |
238 | * If you wish to specify a new context, instantiate a new CtfIterator and |
239 | * seek() it to where you want, and use that to read events. | |
ce2388e0 | 240 | * |
a3fc8213 AM |
241 | * FIXME merge with getNextEvent below once they both use the same parameter |
242 | * type. | |
243 | */ | |
ce2388e0 | 244 | @SuppressWarnings("unused") |
a3fc8213 AM |
245 | @Override |
246 | public CtfTmfEvent getNext(ITmfContext context) { | |
247 | iterator.advance(); | |
248 | return iterator.getCurrentEvent(); | |
249 | } | |
250 | ||
251 | // ------------------------------------------------------------------------ | |
252 | // ITmfTrace | |
253 | // ------------------------------------------------------------------------ | |
254 | ||
255 | @Override | |
256 | public ITmfContext seekLocation(ITmfLocation<?> location) { | |
ce2388e0 FC |
257 | CtfLocation currentLocation = (CtfLocation) location; |
258 | if (currentLocation == null) { | |
259 | currentLocation = new CtfLocation(0L); | |
260 | } | |
261 | iterator.setLocation(currentLocation); | |
a3fc8213 AM |
262 | return iterator; |
263 | } | |
264 | ||
265 | @Override | |
266 | public double getLocationRatio(ITmfLocation<?> location) { | |
ce2388e0 FC |
267 | CtfLocation curLocation = (CtfLocation) location; |
268 | iterator.seek(curLocation.getLocation()); | |
269 | return ((double) iterator.getCurrentEvent().getTimestampValue() - iterator | |
270 | .getStartTime()) | |
271 | / (iterator.getEndTime() - iterator.getStartTime()); | |
a3fc8213 AM |
272 | } |
273 | ||
274 | @Override | |
275 | public long getStreamingInterval() { | |
276 | return 0; | |
277 | } | |
278 | ||
279 | @Override | |
280 | public ITmfContext seekEvent(ITmfTimestamp timestamp) { | |
281 | iterator.seek(timestamp.getValue()); | |
282 | return iterator; | |
283 | } | |
284 | ||
285 | /** | |
286 | * Seek by rank | |
287 | */ | |
288 | @Override | |
289 | public ITmfContext seekEvent(long rank) { | |
290 | iterator.setRank(rank); | |
291 | return iterator; | |
292 | } | |
293 | ||
294 | /** | |
295 | * Seek rank ratio | |
296 | */ | |
297 | @Override | |
298 | public ITmfContext seekLocation(double ratio) { | |
299 | iterator.seek((long) (this.fNbEvents * ratio)); | |
300 | return iterator; | |
301 | } | |
302 | ||
ce2388e0 | 303 | @SuppressWarnings("unused") |
a3fc8213 AM |
304 | @Override |
305 | public CtfTmfEvent getNextEvent(ITmfContext context) { | |
306 | iterator.advance(); | |
307 | return iterator.getCurrentEvent(); | |
308 | } | |
309 | ||
ce2388e0 | 310 | @SuppressWarnings("unused") |
a3fc8213 AM |
311 | @Override |
312 | public CtfTmfEvent parseEvent(ITmfContext context) { | |
313 | return iterator.getCurrentEvent(); | |
314 | } | |
315 | ||
a3fc8213 AM |
316 | @Override |
317 | public IResource getResource() { | |
318 | return this.fResource; | |
319 | } | |
320 | ||
321 | @Override | |
322 | public void setResource(IResource fResource) { | |
323 | this.fResource = fResource; | |
324 | } | |
325 | ||
90235d6b | 326 | CTFTrace getCTFTrace() { |
a3fc8213 AM |
327 | return fTrace; |
328 | } | |
8636b448 | 329 | |
ce2388e0 FC |
330 | |
331 | ||
a3fc8213 | 332 | } |