Commit | Line | Data |
---|---|---|
6de2f761 | 1 | /******************************************************************************* |
3c6289c8 | 2 | * Copyright (c) 2011, 2014 Ericsson |
6de2f761 PT |
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 | * Marc Dumais - Initial implementation | |
11 | * Francois Chouinard - Initial API and implementation | |
12 | * Patrick Tasse - Updated for TMF 2.0 | |
a94410d9 | 13 | * Matthew Khouzam - update validate |
6de2f761 PT |
14 | *******************************************************************************/ |
15 | ||
8343b1f5 | 16 | package org.eclipse.linuxtools.internal.gdbtrace.core.trace; |
6de2f761 | 17 | |
3c6289c8 | 18 | import java.io.BufferedInputStream; |
0eefbc92 | 19 | import java.io.File; |
3c6289c8 PT |
20 | import java.io.FileInputStream; |
21 | import java.io.IOException; | |
22 | import java.util.Arrays; | |
0eefbc92 | 23 | |
6131f792 MAL |
24 | import org.eclipse.cdt.dsf.gdb.IGDBLaunchConfigurationConstants; |
25 | import org.eclipse.cdt.dsf.gdb.IGdbDebugPreferenceConstants; | |
26 | import org.eclipse.cdt.dsf.gdb.internal.GdbPlugin; | |
6de2f761 PT |
27 | import org.eclipse.core.resources.IProject; |
28 | import org.eclipse.core.resources.IResource; | |
29 | import org.eclipse.core.runtime.CoreException; | |
a94410d9 | 30 | import org.eclipse.core.runtime.IStatus; |
6131f792 | 31 | import org.eclipse.core.runtime.Platform; |
6de2f761 | 32 | import org.eclipse.core.runtime.QualifiedName; |
a94410d9 | 33 | import org.eclipse.core.runtime.Status; |
0eefbc92 | 34 | import org.eclipse.linuxtools.internal.gdbtrace.core.Activator; |
8343b1f5 PT |
35 | import org.eclipse.linuxtools.internal.gdbtrace.core.GdbTraceCorePlugin; |
36 | import org.eclipse.linuxtools.internal.gdbtrace.core.event.GdbTraceEvent; | |
6de2f761 PT |
37 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
38 | import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException; | |
39 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; | |
40 | import org.eclipse.linuxtools.tmf.core.trace.ITmfContext; | |
41 | import org.eclipse.linuxtools.tmf.core.trace.ITmfEventParser; | |
6de2f761 | 42 | import org.eclipse.linuxtools.tmf.core.trace.TmfContext; |
6de2f761 | 43 | import org.eclipse.linuxtools.tmf.core.trace.TmfTrace; |
3c6289c8 | 44 | import org.eclipse.linuxtools.tmf.core.trace.TraceValidationStatus; |
a3db8436 AM |
45 | import org.eclipse.linuxtools.tmf.core.trace.location.ITmfLocation; |
46 | import org.eclipse.linuxtools.tmf.core.trace.location.TmfLongLocation; | |
3c6289c8 | 47 | import org.eclipse.osgi.util.NLS; |
6de2f761 PT |
48 | |
49 | /** | |
a94410d9 MK |
50 | * GDB Tracepoint extension of TmfTrace. This class implements the necessary |
51 | * methods and functionalities so that a GDB tracepoint file can be used by the | |
52 | * TMF framework as a "tracer". | |
6de2f761 | 53 | * <p> |
a94410d9 | 54 | * |
6de2f761 PT |
55 | * @author Marc Dumais |
56 | * @author Francois Chouinard | |
a94410d9 | 57 | * @author Matthew Khouzam |
6de2f761 | 58 | */ |
6131f792 | 59 | @SuppressWarnings("restriction") |
6de2f761 PT |
60 | public class GdbTrace extends TmfTrace implements ITmfEventParser { |
61 | ||
62 | // ------------------------------------------------------------------------ | |
63 | // Constants | |
64 | // ------------------------------------------------------------------------ | |
65 | ||
66 | private static final int CACHE_SIZE = 20; | |
6de2f761 | 67 | |
3c6289c8 PT |
68 | private static final byte[] HEADER = new byte[] {0x7f, 'T', 'R', 'A', 'C', 'E'}; |
69 | ||
6de2f761 PT |
70 | /** The qualified name for the 'executable' persistent property */ |
71 | public static final QualifiedName EXEC_KEY = new QualifiedName(GdbTraceCorePlugin.PLUGIN_ID, "executable"); //$NON-NLS-1$ | |
72 | ||
73 | // ------------------------------------------------------------------------ | |
74 | // Attributes | |
75 | // ------------------------------------------------------------------------ | |
76 | ||
77 | // Interface to access GDB Tracepoints | |
78 | private DsfGdbAdaptor fGdbTpRef; | |
79 | private long fNbFrames = 0; | |
80 | ||
81 | // The trace location | |
82 | long fLocation; | |
83 | ||
84 | // ------------------------------------------------------------------------ | |
85 | // Constructor | |
86 | // ------------------------------------------------------------------------ | |
87 | ||
88 | /** | |
89 | * Default constructor | |
90 | */ | |
91 | public GdbTrace() { | |
92 | setCacheSize(CACHE_SIZE); | |
93 | } | |
94 | ||
95 | @Override | |
a94410d9 | 96 | public IStatus validate(IProject project, String path) { |
3c6289c8 PT |
97 | File file = new File(path); |
98 | if (!file.exists()) { | |
99 | return new Status(IStatus.ERROR, Activator.PLUGIN_ID, | |
100 | NLS.bind(Messages.GdbTrace_FileNotFound, path)); | |
101 | } | |
102 | if (!file.isFile()) { | |
103 | return new Status(IStatus.ERROR, Activator.PLUGIN_ID, | |
104 | NLS.bind(Messages.GdbTrace_GdbTracesMustBeAFile, path)); | |
105 | } | |
106 | try (BufferedInputStream stream = new BufferedInputStream(new FileInputStream(file))) { | |
107 | byte[] buffer = new byte[HEADER.length]; | |
108 | int read = stream.read(buffer); | |
109 | if (read != HEADER.length || !Arrays.equals(buffer, HEADER)) { | |
110 | return new Status(IStatus.ERROR, Activator.PLUGIN_ID, | |
111 | NLS.bind(Messages.GdbTrace_NotGdbTraceFile, path)); | |
0eefbc92 | 112 | } |
3c6289c8 | 113 | } catch (IOException e) { |
0eefbc92 | 114 | return new Status(IStatus.ERROR, Activator.PLUGIN_ID, |
3c6289c8 | 115 | NLS.bind(Messages.GdbTrace_IOException, path), e); |
a94410d9 | 116 | } |
3c6289c8 | 117 | return new TraceValidationStatus(100, GdbTraceCorePlugin.PLUGIN_ID); |
6de2f761 PT |
118 | } |
119 | ||
120 | @Override | |
121 | public void initTrace(IResource resource, String path, Class<? extends ITmfEvent> type) throws TmfTraceException { | |
122 | try { | |
123 | String tracedExecutable = resource.getPersistentProperty(EXEC_KEY); | |
124 | if (tracedExecutable == null) { | |
0eefbc92 | 125 | throw new TmfTraceException(Messages.GdbTrace_ExecutableNotSet); |
6de2f761 | 126 | } |
6131f792 MAL |
127 | |
128 | String defaultGdbCommand = Platform.getPreferencesService().getString(GdbPlugin.PLUGIN_ID, | |
129 | IGdbDebugPreferenceConstants.PREF_DEFAULT_GDB_COMMAND, | |
130 | IGDBLaunchConfigurationConstants.DEBUGGER_DEBUG_NAME_DEFAULT, null); | |
131 | ||
132 | fGdbTpRef = new DsfGdbAdaptor(this, defaultGdbCommand, path, tracedExecutable); | |
6b6e81de | 133 | fNbFrames = getNbFrames(); |
6de2f761 | 134 | } catch (CoreException e) { |
0eefbc92 | 135 | throw new TmfTraceException(Messages.GdbTrace_FailedToInitializeTrace, e); |
6de2f761 PT |
136 | } |
137 | ||
138 | super.initTrace(resource, path, type); | |
139 | } | |
140 | ||
141 | @Override | |
142 | public synchronized void dispose() { | |
143 | if (fGdbTpRef != null) { | |
144 | fGdbTpRef.dispose(); | |
145 | } | |
146 | super.dispose(); | |
147 | } | |
148 | ||
149 | /** | |
150 | * @return GDB-DSF session id | |
151 | */ | |
a94410d9 | 152 | public String getDsfSessionId() { |
6de2f761 PT |
153 | return fGdbTpRef.getSessionId(); |
154 | } | |
155 | ||
156 | /** | |
157 | * @return the number of frames in current tp session | |
158 | */ | |
6b6e81de | 159 | public synchronized long getNbFrames() { |
a94410d9 | 160 | fNbFrames = fGdbTpRef.getNumberOfFrames(); |
6de2f761 PT |
161 | return fNbFrames; |
162 | } | |
163 | ||
164 | // ------------------------------------------------------------------------ | |
165 | // TmfTrace | |
166 | // ------------------------------------------------------------------------ | |
167 | ||
168 | @Override | |
169 | public synchronized TmfContext seekEvent(ITmfLocation location) { | |
170 | fLocation = (location != null) ? ((Long) location.getLocationInfo()) : 0; | |
171 | return new TmfContext(new TmfLongLocation(fLocation), fLocation); | |
172 | } | |
173 | ||
174 | @Override | |
175 | public synchronized ITmfContext seekEvent(double ratio) { | |
176 | TmfContext context = seekEvent((long) ratio * getNbEvents()); | |
177 | return context; | |
178 | } | |
179 | ||
180 | @Override | |
181 | public double getLocationRatio(ITmfLocation location) { | |
182 | if (getNbEvents() > 0 && location instanceof TmfLongLocation) { | |
183 | return (double) ((TmfLongLocation) location).getLocationInfo() / getNbEvents(); | |
184 | } | |
185 | return 0; | |
186 | } | |
187 | ||
188 | @Override | |
189 | public ITmfLocation getCurrentLocation() { | |
190 | return new TmfLongLocation(fLocation); | |
191 | } | |
192 | ||
193 | @Override | |
194 | public GdbTraceEvent parseEvent(ITmfContext context) { | |
195 | if (context.getRank() >= fNbFrames) { | |
196 | return null; | |
197 | } | |
a94410d9 MK |
198 | // work-around to ensure that the select and parse of trace frame will |
199 | // be atomic | |
6de2f761 PT |
200 | GdbTraceEvent event = fGdbTpRef.selectAndReadFrame(context.getRank()); |
201 | fLocation++; | |
202 | return event; | |
203 | } | |
204 | ||
205 | @Override | |
206 | public synchronized TmfContext seekEvent(ITmfTimestamp timestamp) { | |
207 | long rank = timestamp.getValue(); | |
208 | return seekEvent(rank); | |
209 | } | |
210 | ||
211 | @Override | |
212 | public synchronized TmfContext seekEvent(long rank) { | |
213 | fLocation = rank; | |
214 | TmfContext context = new TmfContext(new TmfLongLocation(fLocation), rank); | |
215 | return context; | |
216 | } | |
217 | ||
218 | /** | |
219 | * Select a frame and update the visualization | |
a94410d9 MK |
220 | * |
221 | * @param rank | |
222 | * the rank | |
6de2f761 | 223 | */ |
e9a6e38e | 224 | public synchronized void selectFrame(long rank) { |
6de2f761 PT |
225 | fGdbTpRef.selectDataFrame(rank, true); |
226 | } | |
227 | } |