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d18dd09b | 1 | /******************************************************************************* |
e31e01e8 | 2 | * Copyright (c) 2009, 2010 Ericsson |
d18dd09b ASL |
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 | * Francois Chouinard - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
4918b8f2 | 13 | package org.eclipse.linuxtools.tmf.tests.stubs.trace; |
d18dd09b ASL |
14 | |
15 | import java.io.FileNotFoundException; | |
16 | import java.io.IOException; | |
17 | import java.io.RandomAccessFile; | |
73005152 | 18 | import java.util.concurrent.locks.ReentrantLock; |
d18dd09b | 19 | |
2352aed9 | 20 | import org.eclipse.core.resources.IProject; |
20658947 | 21 | import org.eclipse.core.resources.IResource; |
dfee01ae | 22 | import org.eclipse.linuxtools.tmf.core.event.ITmfTimestamp; |
6c13869b FC |
23 | import org.eclipse.linuxtools.tmf.core.event.TmfEvent; |
24 | import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange; | |
b4f71e4a | 25 | import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException; |
6c13869b | 26 | import org.eclipse.linuxtools.tmf.core.trace.ITmfContext; |
7e6347b0 | 27 | import org.eclipse.linuxtools.tmf.core.trace.ITmfEventParser; |
6c13869b | 28 | import org.eclipse.linuxtools.tmf.core.trace.ITmfLocation; |
20658947 | 29 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTraceIndexer; |
6c13869b FC |
30 | import org.eclipse.linuxtools.tmf.core.trace.TmfContext; |
31 | import org.eclipse.linuxtools.tmf.core.trace.TmfLocation; | |
32 | import org.eclipse.linuxtools.tmf.core.trace.TmfTrace; | |
d18dd09b ASL |
33 | |
34 | /** | |
35 | * <b><u>TmfTraceStub</u></b> | |
36 | * <p> | |
8d2e2848 | 37 | * Dummy test trace. Use in conjunction with TmfEventParserStub. |
d18dd09b | 38 | */ |
3b38ea61 | 39 | @SuppressWarnings("nls") |
7e6347b0 | 40 | public class TmfTraceStub extends TmfTrace<TmfEvent> implements ITmfEventParser<TmfEvent> { |
d18dd09b | 41 | |
e31e01e8 | 42 | // ------------------------------------------------------------------------ |
d18dd09b | 43 | // Attributes |
e31e01e8 | 44 | // ------------------------------------------------------------------------ |
d18dd09b ASL |
45 | |
46 | // The actual stream | |
ff4ed569 | 47 | private RandomAccessFile fTrace; |
d18dd09b | 48 | |
7e6347b0 FC |
49 | // // The associated event parser |
50 | // private ITmfEventParser<TmfEvent> fParser; | |
d18dd09b | 51 | |
73005152 | 52 | // The synchronization lock |
085d898f FC |
53 | private final ReentrantLock fLock = new ReentrantLock(); |
54 | ||
e31e01e8 | 55 | // ------------------------------------------------------------------------ |
d18dd09b | 56 | // Constructors |
e31e01e8 | 57 | // ------------------------------------------------------------------------ |
d18dd09b | 58 | |
20658947 FC |
59 | /** |
60 | * @param path | |
61 | * @throws FileNotFoundException | |
62 | */ | |
63 | public TmfTraceStub() { | |
64 | super(); | |
7e6347b0 | 65 | fParser = new TmfEventParserStub(this); |
20658947 FC |
66 | } |
67 | ||
d18dd09b | 68 | /** |
3ef62bac | 69 | * @param path |
d18dd09b ASL |
70 | * @throws FileNotFoundException |
71 | */ | |
b4f71e4a | 72 | public TmfTraceStub(final String path) throws TmfTraceException { |
20658947 | 73 | this(path, DEFAULT_TRACE_CACHE_SIZE, false); |
8d2e2848 FC |
74 | } |
75 | ||
76 | /** | |
3ef62bac | 77 | * @param path |
e31e01e8 | 78 | * @param cacheSize |
8d2e2848 FC |
79 | * @throws FileNotFoundException |
80 | */ | |
b4f71e4a | 81 | public TmfTraceStub(final String path, final int cacheSize) throws TmfTraceException { |
3ef62bac | 82 | this(path, cacheSize, false); |
d18dd09b ASL |
83 | } |
84 | ||
1703b536 FC |
85 | /** |
86 | * @param path | |
87 | * @param cacheSize | |
88 | * @throws FileNotFoundException | |
89 | */ | |
b4f71e4a | 90 | public TmfTraceStub(final String path, final int cacheSize, final long interval) throws TmfTraceException { |
1703b536 | 91 | super(null, TmfEvent.class, path, cacheSize, interval); |
b4f71e4a FC |
92 | try { |
93 | fTrace = new RandomAccessFile(path, "r"); | |
94 | } catch (FileNotFoundException e) { | |
95 | throw new TmfTraceException(e.getMessage()); | |
96 | } | |
7e6347b0 | 97 | fParser = new TmfEventParserStub(this); |
1703b536 FC |
98 | } |
99 | ||
20658947 FC |
100 | /** |
101 | * @param path | |
102 | * @param cacheSize | |
103 | * @throws FileNotFoundException | |
104 | */ | |
b4f71e4a | 105 | public TmfTraceStub(final String path, final int cacheSize, final ITmfTraceIndexer<?> indexer) throws TmfTraceException { |
20658947 FC |
106 | this(path, cacheSize, false, null, indexer); |
107 | } | |
108 | ||
d18dd09b | 109 | /** |
3ef62bac | 110 | * @param path |
ff4ed569 | 111 | * @param waitForCompletion |
d18dd09b ASL |
112 | * @throws FileNotFoundException |
113 | */ | |
b4f71e4a | 114 | public TmfTraceStub(final String path, final boolean waitForCompletion) throws TmfTraceException { |
20658947 | 115 | this(path, DEFAULT_TRACE_CACHE_SIZE, waitForCompletion); |
8d2e2848 | 116 | } |
085d898f | 117 | |
8d2e2848 | 118 | /** |
3ef62bac | 119 | * @param path |
8d2e2848 | 120 | * @param cacheSize |
ff4ed569 | 121 | * @param waitForCompletion |
8d2e2848 FC |
122 | * @throws FileNotFoundException |
123 | */ | |
b4f71e4a | 124 | public TmfTraceStub(final String path, final int cacheSize, final boolean waitForCompletion) throws TmfTraceException { |
09e86496 | 125 | super(null, TmfEvent.class, path, cacheSize); |
b4f71e4a FC |
126 | try { |
127 | fTrace = new RandomAccessFile(path, "r"); | |
128 | } catch (FileNotFoundException e) { | |
129 | throw new TmfTraceException(e.getMessage()); | |
130 | } | |
7e6347b0 | 131 | fParser = new TmfEventParserStub(this); |
d18dd09b ASL |
132 | } |
133 | ||
20658947 FC |
134 | /** |
135 | * @param path | |
136 | * @param cacheSize | |
137 | * @param waitForCompletion | |
138 | * @throws FileNotFoundException | |
139 | */ | |
b4f71e4a | 140 | public TmfTraceStub(final IResource resource, final String path, final int cacheSize, final boolean waitForCompletion) throws TmfTraceException { |
20658947 | 141 | super(resource, TmfEvent.class, path, cacheSize); |
b4f71e4a FC |
142 | try { |
143 | fTrace = new RandomAccessFile(path, "r"); | |
144 | } catch (FileNotFoundException e) { | |
145 | throw new TmfTraceException(e.getMessage()); | |
146 | } | |
7e6347b0 | 147 | fParser = new TmfEventParserStub(this); |
20658947 | 148 | } |
085d898f | 149 | |
73005152 | 150 | /** |
3ef62bac | 151 | * @param path |
73005152 BH |
152 | * @param cacheSize |
153 | * @param waitForCompletion | |
154 | * @param parser | |
155 | * @throws FileNotFoundException | |
156 | */ | |
20658947 | 157 | public TmfTraceStub(final String path, final int cacheSize, final boolean waitForCompletion, |
b4f71e4a | 158 | final ITmfEventParser<TmfEvent> parser, final ITmfTraceIndexer<?> indexer) throws TmfTraceException { |
20658947 | 159 | super(null, TmfEvent.class, path, cacheSize, 0, indexer); |
b4f71e4a FC |
160 | try { |
161 | fTrace = new RandomAccessFile(path, "r"); | |
162 | } catch (FileNotFoundException e) { | |
163 | throw new TmfTraceException(e.getMessage()); | |
164 | } | |
2352aed9 | 165 | fParser = (parser != null) ? parser : new TmfEventParserStub(this); |
73005152 | 166 | } |
085d898f | 167 | |
ff4ed569 | 168 | /** |
f17b2f70 | 169 | * Copy constructor |
ff4ed569 | 170 | */ |
b4f71e4a | 171 | public TmfTraceStub(final TmfTraceStub trace) throws TmfTraceException { |
20658947 | 172 | super(trace); |
b4f71e4a FC |
173 | try { |
174 | fTrace = new RandomAccessFile(getPath(), "r"); | |
175 | } catch (FileNotFoundException e) { | |
176 | throw new TmfTraceException(e.getMessage()); | |
177 | } | |
7e6347b0 | 178 | fParser = new TmfEventParserStub(this); |
ff4ed569 | 179 | } |
085d898f | 180 | |
20658947 FC |
181 | public void indexTrace() { |
182 | fIndexer.buildIndex(true); | |
183 | } | |
184 | ||
185 | @Override | |
b4f71e4a FC |
186 | public void initTrace(final IResource resource, final String path, final Class<TmfEvent> type) throws TmfTraceException { |
187 | try { | |
188 | fTrace = new RandomAccessFile(path, "r"); | |
189 | } catch (FileNotFoundException e) { | |
190 | throw new TmfTraceException(e.getMessage()); | |
191 | } | |
7e6347b0 | 192 | fParser = new TmfEventParserStub(this); |
20658947 FC |
193 | super.initTrace(resource, path, type); |
194 | } | |
f17b2f70 | 195 | |
1703b536 | 196 | @Override |
b4f71e4a | 197 | public void initialize(final IResource resource, final String path, final Class<TmfEvent> type) throws TmfTraceException { |
1703b536 FC |
198 | super.initialize(resource, path, type); |
199 | } | |
200 | ||
e31e01e8 | 201 | // ------------------------------------------------------------------------ |
d18dd09b | 202 | // Accessors |
e31e01e8 | 203 | // ------------------------------------------------------------------------ |
d18dd09b ASL |
204 | |
205 | public RandomAccessFile getStream() { | |
206 | return fTrace; | |
207 | } | |
208 | ||
e31e01e8 | 209 | // ------------------------------------------------------------------------ |
d18dd09b | 210 | // Operators |
e31e01e8 | 211 | // ------------------------------------------------------------------------ |
d18dd09b | 212 | |
085d898f FC |
213 | @Override |
214 | @SuppressWarnings("unchecked") | |
7e6347b0 | 215 | public TmfContext seekEvent(final ITmfLocation<?> location) { |
d18dd09b | 216 | try { |
09e86496 FC |
217 | fLock.lock(); |
218 | try { | |
219 | if (fTrace != null) { | |
220 | // Position the trace at the requested location and | |
221 | // returns the corresponding context | |
222 | long loc = 0; | |
223 | long rank = 0; | |
224 | if (location != null) { | |
225 | loc = ((TmfLocation<Long>) location).getLocation(); | |
226 | rank = ITmfContext.UNKNOWN_RANK; | |
227 | } | |
20658947 | 228 | if (loc != fTrace.getFilePointer()) { |
09e86496 | 229 | fTrace.seek(loc); |
20658947 | 230 | } |
09e86496 FC |
231 | final TmfContext context = new TmfContext(getCurrentLocation(), rank); |
232 | return context; | |
73005152 | 233 | } |
09e86496 FC |
234 | } catch (final IOException e) { |
235 | e.printStackTrace(); | |
236 | } catch (final NullPointerException e) { | |
237 | e.printStackTrace(); | |
73005152 | 238 | } |
09e86496 | 239 | } catch (final NullPointerException e) { |
085d898f FC |
240 | e.printStackTrace(); |
241 | } | |
73005152 BH |
242 | finally{ |
243 | fLock.unlock(); | |
244 | } | |
085d898f | 245 | return null; |
d18dd09b ASL |
246 | } |
247 | ||
c76c54bb | 248 | |
085d898f | 249 | @Override |
7e6347b0 | 250 | public TmfContext seekEvent(final double ratio) { |
085d898f | 251 | fLock.lock(); |
c76c54bb | 252 | try { |
73005152 | 253 | if (fTrace != null) { |
085d898f | 254 | final ITmfLocation<?> location = new TmfLocation<Long>(Long.valueOf((long) (ratio * fTrace.length()))); |
7e6347b0 | 255 | final TmfContext context = seekEvent(location); |
73005152 BH |
256 | context.setRank(ITmfContext.UNKNOWN_RANK); |
257 | return context; | |
258 | } | |
085d898f | 259 | } catch (final IOException e) { |
c76c54bb | 260 | e.printStackTrace(); |
73005152 BH |
261 | } finally { |
262 | fLock.unlock(); | |
c76c54bb | 263 | } |
085d898f | 264 | |
c76c54bb FC |
265 | return null; |
266 | } | |
267 | ||
268 | @Override | |
2352aed9 | 269 | public double getLocationRatio(ITmfLocation<?> location) { |
73005152 | 270 | fLock.lock(); |
c76c54bb | 271 | try { |
085d898f FC |
272 | if (fTrace != null) |
273 | if (location.getLocation() instanceof Long) | |
73005152 | 274 | return (double) ((Long) location.getLocation()) / fTrace.length(); |
085d898f | 275 | } catch (final IOException e) { |
c76c54bb | 276 | e.printStackTrace(); |
73005152 BH |
277 | } finally { |
278 | fLock.unlock(); | |
c76c54bb FC |
279 | } |
280 | return 0; | |
281 | } | |
282 | ||
4e3aa37d | 283 | @Override |
085d898f | 284 | public TmfLocation<Long> getCurrentLocation() { |
73005152 | 285 | fLock.lock(); |
d18dd09b | 286 | try { |
085d898f | 287 | if (fTrace != null) |
73005152 | 288 | return new TmfLocation<Long>(fTrace.getFilePointer()); |
085d898f FC |
289 | } catch (final IOException e) { |
290 | e.printStackTrace(); | |
291 | } finally { | |
292 | fLock.unlock(); | |
293 | } | |
294 | return null; | |
295 | } | |
296 | ||
297 | @Override | |
2352aed9 | 298 | public TmfEvent parseEvent(final ITmfContext context) { |
085d898f FC |
299 | fLock.lock(); |
300 | try { | |
301 | // parseNextEvent will update the context | |
302 | if (fTrace != null) { | |
2352aed9 | 303 | final TmfEvent event = fParser.parseEvent(context.clone()); |
085d898f | 304 | return event; |
73005152 | 305 | } |
7e6347b0 FC |
306 | // } |
307 | // catch (final IOException e) { | |
308 | // e.printStackTrace(); | |
73005152 BH |
309 | } finally { |
310 | fLock.unlock(); | |
d18dd09b ASL |
311 | } |
312 | return null; | |
313 | } | |
314 | ||
085d898f FC |
315 | @Override |
316 | public void setTimeRange(final TmfTimeRange range) { | |
317 | super.setTimeRange(range); | |
318 | } | |
d18dd09b | 319 | |
085d898f FC |
320 | @Override |
321 | public void setStartTime(final ITmfTimestamp startTime) { | |
322 | super.setStartTime(startTime); | |
ff4ed569 FC |
323 | } |
324 | ||
085d898f FC |
325 | @Override |
326 | public void setEndTime(final ITmfTimestamp endTime) { | |
327 | super.setEndTime(endTime); | |
ff4ed569 FC |
328 | } |
329 | ||
1703b536 FC |
330 | @Override |
331 | public void setStreamingInterval(final long interval) { | |
332 | super.setStreamingInterval(interval); | |
333 | } | |
334 | ||
085d898f FC |
335 | @Override |
336 | public void dispose() { | |
337 | fLock.lock(); | |
338 | try { | |
339 | if (fTrace != null) { | |
340 | fTrace.close(); | |
341 | fTrace = null; | |
342 | } | |
343 | } catch (final IOException e) { | |
344 | // Ignore | |
345 | } finally { | |
346 | fLock.unlock(); | |
347 | } | |
348 | super.dispose(); | |
ff4ed569 FC |
349 | } |
350 | ||
2352aed9 FC |
351 | /* (non-Javadoc) |
352 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#validate(org.eclipse.core.resources.IProject, java.lang.String) | |
353 | */ | |
354 | @Override | |
355 | public boolean validate(IProject project, String path) { | |
356 | return fileExists(path); | |
357 | } | |
358 | ||
e31e01e8 | 359 | } |