private File writeLogcat(List<String> elidedLogcat) throws IOException {
CrashFileManager fileManager = new CrashFileManager(mContext.getCacheDir());
File logcatFile = fileManager.createNewTempFile("logcat.txt");
PrintWriter pWriter = null;
try {
pWriter = new PrintWriter(new FileWriter(logcatFile));
for (String ln : elidedLogcat) {
pWriter.println(ln);
}
return logcatFile;
} finally {
if (pWriter != null) {
pWriter.close();
}
}
}
private void processMinidump(
File logcatFile, String name, CrashFileManager manager, boolean isLast) throws IOException {
String toPath = MINIDUMP_EXTENSION.matcher(name).replaceAll(LOGCAT_EXTENSION);
File toFile = manager.createNewTempFile(toPath);
// For the last file, we don't need to make extra copies. We'll use the original
// logcat file but we would pass down the redirect intent so it can be triggered
// upon completion.
Intent intent = null;
if (isLast) {
move(logcatFile, toFile);
intent =
MinidumpPreparationService.createMinidumpPreparationIntent(
mContext, manager.getCrashFile(name), toFile, mRedirectIntent);
} else {
copy(logcatFile, toFile);
intent =
MinidumpPreparationService.createMinidumpPreparationIntent(
mContext, manager.getCrashFile(name), toFile, null);
}
mContext.startService(intent);
}
@Override
public Boolean call() {
Log.i(TAG, "Trying to extract logcat for minidump");
try {
// Step 1: Extract a single logcat file.
File logcatFile = getElidedLogcat();
// Step 2: Make copies of logcat file for each minidump then invoke
// MinidumpPreparationService on each file pair.
int len = mMinidumpFilenames.length;
CrashFileManager fileManager = new CrashFileManager(mContext.getCacheDir());
for (int i = 0; i < len; i++) {
// Output crash dump file path to logcat so non-browser crashes appear too.
Log.i(TAG, "Output crash dump:");
Log.i(TAG, fileManager.getCrashFile(mMinidumpFilenames[i]).getAbsolutePath());
processMinidump(logcatFile, mMinidumpFilenames[i], fileManager, i == len - 1);
}
return true;
} catch (IOException | InterruptedException e) {
Log.w(TAG, e.toString());
return false;
}
}