|
1 /* |
|
2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * |
|
16 */ |
|
17 |
|
18 package com.nokia.s60tools.crashanalyser.model; |
|
19 |
|
20 import java.io.*; |
|
21 import java.text.SimpleDateFormat; |
|
22 import java.util.Calendar; |
|
23 import org.eclipse.core.runtime.IConfigurationElement; |
|
24 import org.eclipse.core.runtime.IExtension; |
|
25 import org.eclipse.core.runtime.IExtensionPoint; |
|
26 import org.eclipse.core.runtime.IExtensionRegistry; |
|
27 import org.eclipse.core.runtime.Platform; |
|
28 import org.eclipse.swt.widgets.Display; |
|
29 import com.nokia.s60tools.crashanalyser.data.*; |
|
30 import com.nokia.s60tools.crashanalyser.interfaces.IErrorLibraryObserver; |
|
31 import com.nokia.s60tools.crashanalyser.files.*; |
|
32 import com.nokia.s60tools.crashanalyser.export.*; |
|
33 import com.nokia.s60tools.crashanalyser.plugin.*; |
|
34 |
|
35 /** |
|
36 * This class listens MobileCrash files via TraceViewer |
|
37 * |
|
38 */ |
|
39 public class TraceListener implements ITraceDataProcessor, |
|
40 IErrorLibraryObserver { |
|
41 private final static String MOBILE_CRASH_STARTTAG = "<MB_CR_START>"; //$NON-NLS-1$ |
|
42 private final static String MOBILE_CRASH_LINE_TAG = "<MB_CD>"; //$NON-NLS-1$ |
|
43 private final static String MOBILE_CRASH_STOPTAG = "<MB_CR_STOP>"; //$NON-NLS-1$ |
|
44 private final static String MOBILECRASH_START = "MobileCrash_"; //$NON-NLS-1$ |
|
45 final String EXTENSION_TRACE_PROVIDER = "traceprovider"; //$NON-NLS-1$ |
|
46 |
|
47 |
|
48 boolean listening = false; |
|
49 boolean mobileCrashStarted = false; |
|
50 BufferedWriter mcFile = null; |
|
51 String dumpFolder = ""; //$NON-NLS-1$ |
|
52 File dumpFile; |
|
53 ErrorLibrary errorLibrary = null; |
|
54 boolean decode = false; |
|
55 private static ITraceProvider traceProvider = null; |
|
56 |
|
57 /** |
|
58 * Constructor |
|
59 */ |
|
60 public TraceListener() { |
|
61 readTraceProvider(); |
|
62 } |
|
63 |
|
64 /** |
|
65 * Starts trace listening asynchronously |
|
66 */ |
|
67 public void errorLibraryReady() { |
|
68 Runnable refreshRunnable = new Runnable(){ |
|
69 public void run(){ |
|
70 startListening(); |
|
71 } |
|
72 }; |
|
73 |
|
74 Display.getDefault().asyncExec(refreshRunnable); |
|
75 } |
|
76 |
|
77 /** |
|
78 * Activates MobileCrash file listening |
|
79 */ |
|
80 public void startListening() { |
|
81 if (errorLibrary == null) { |
|
82 errorLibrary = ErrorLibrary.getInstance(this); |
|
83 return; |
|
84 } |
|
85 |
|
86 if (listening || traceProvider == null) |
|
87 return; |
|
88 |
|
89 if (traceProvider.start(this)) |
|
90 listening = true; |
|
91 } |
|
92 |
|
93 /** |
|
94 * Sets whether we should decode imported files or just import them as undecoded state. |
|
95 * @param decodeFiles |
|
96 */ |
|
97 public void setDecode(boolean decodeFiles) { |
|
98 decode = decodeFiles; |
|
99 } |
|
100 |
|
101 /** |
|
102 * De-activates MobileCrash file listening |
|
103 */ |
|
104 public void stopListening() { |
|
105 if (!listening) |
|
106 return; |
|
107 |
|
108 if (traceProvider != null) |
|
109 traceProvider.stop(); |
|
110 listening = false; |
|
111 } |
|
112 |
|
113 /** |
|
114 * All lines in trace data will be passed to this method. This method |
|
115 * pics up MobileCrash file content from trace data. |
|
116 * @param line trace data line |
|
117 */ |
|
118 public void processDataLine(String line) { |
|
119 int idx = line.indexOf(MOBILE_CRASH_STARTTAG); |
|
120 |
|
121 try { |
|
122 // Line contained <MC_CR_START> |
|
123 if (idx > -1) { |
|
124 mobileCrashStarted = true; |
|
125 dumpFolder = FileOperations.addSlashToEnd(DecoderEngine.getNewCrashFolder()); |
|
126 |
|
127 Calendar cal = Calendar.getInstance(); |
|
128 SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd_HHmmssSSS"); //$NON-NLS-1$ |
|
129 dumpFile = new File(dumpFolder + |
|
130 MOBILECRASH_START + |
|
131 sdf.format(cal.getTime()) + |
|
132 "." + |
|
133 CrashAnalyserFile.TRACE_EXTENSION); |
|
134 |
|
135 // create a file for this mobilecrash |
|
136 mcFile = new BufferedWriter(new FileWriter(dumpFile)); |
|
137 mcFile.write(line); |
|
138 mcFile.newLine(); |
|
139 |
|
140 // Line did not contain <MC_CR_START>, but <MB_CR_START> has been found previously (i.e we are reading a file) |
|
141 } else if (mobileCrashStarted){ |
|
142 |
|
143 idx = line.indexOf(MOBILE_CRASH_LINE_TAG); |
|
144 // Line contained <MB_CD>, add data to file |
|
145 if (idx > -1) { |
|
146 mcFile.write(line); |
|
147 mcFile.newLine(); |
|
148 // Line did not contain <MB_CD> |
|
149 } else { |
|
150 idx = line.indexOf(MOBILE_CRASH_STOPTAG); |
|
151 // Line contained <MC_CR_STOP>, we can finish reading this mobile crash file |
|
152 if (idx > -1) { |
|
153 mcFile.write(line); |
|
154 mcFile.newLine(); |
|
155 mcFile.close(); |
|
156 mcFile = null; |
|
157 mobileCrashStarted = false; |
|
158 |
|
159 // give this mobilecrash file for further processing |
|
160 MobileCrashImporter tc = new MobileCrashImporter(); |
|
161 tc.importFrom(dumpFolder, dumpFile.getName(), errorLibrary, decode); |
|
162 } |
|
163 } |
|
164 } |
|
165 } catch (Exception e) { |
|
166 if (mcFile != null) { |
|
167 try {mcFile.close();}catch (Exception E) {E.printStackTrace();} |
|
168 } |
|
169 mcFile = null; |
|
170 mobileCrashStarted = false; |
|
171 e.printStackTrace(); |
|
172 } |
|
173 } |
|
174 |
|
175 /** |
|
176 * Returns whether we have found trace provider plugins. |
|
177 * @return true if trace providers were found, false if not |
|
178 */ |
|
179 public static boolean traceProviderAvailable() { |
|
180 if (traceProvider == null) |
|
181 return false; |
|
182 return true; |
|
183 } |
|
184 |
|
185 /** |
|
186 * Tries to find plugins which are Trace Providers. Selected the first found |
|
187 * Trace provider plugin. |
|
188 */ |
|
189 void readTraceProvider() { |
|
190 try { |
|
191 IExtensionRegistry er = Platform.getExtensionRegistry(); |
|
192 IExtensionPoint ep = |
|
193 er.getExtensionPoint(CrashAnalyserPlugin.PLUGIN_ID, EXTENSION_TRACE_PROVIDER); |
|
194 IExtension[] extensions = ep.getExtensions(); |
|
195 |
|
196 // if plug-ins were found. |
|
197 if (extensions != null && extensions.length > 0) { |
|
198 |
|
199 // read all found trace providers |
|
200 for (int i = 0; i < extensions.length; i++) { |
|
201 IConfigurationElement[] ce = extensions[i].getConfigurationElements(); |
|
202 if (ce != null && ce.length > 0) { |
|
203 try { |
|
204 ITraceProvider provider = (ITraceProvider)ce[0].createExecutableExtension("class"); |
|
205 // we support only one trace provider |
|
206 if (provider != null) { |
|
207 traceProvider = provider; |
|
208 break; |
|
209 } |
|
210 } catch (Exception e) { |
|
211 e.printStackTrace(); |
|
212 } |
|
213 } |
|
214 } |
|
215 } |
|
216 } catch (Exception e) { |
|
217 e.printStackTrace(); |
|
218 } |
|
219 } |
|
220 } |