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-rw-r--r--services/usage/java/com/android/server/usage/UsageStatsDatabase.java31
1 files changed, 22 insertions, 9 deletions
diff --git a/services/usage/java/com/android/server/usage/UsageStatsDatabase.java b/services/usage/java/com/android/server/usage/UsageStatsDatabase.java
index 098b3ef..26ced03 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsDatabase.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsDatabase.java
@@ -40,6 +40,7 @@ class UsageStatsDatabase {
private static final String TAG = "UsageStatsDatabase";
private static final boolean DEBUG = UsageStatsService.DEBUG;
private static final String BAK_SUFFIX = ".bak";
+ private static final String CHECKED_IN_SUFFIX = UsageStatsXml.CHECKED_IN_SUFFIX;
private final Object mLock = new Object();
private final File[] mIntervalDirs;
@@ -114,14 +115,17 @@ class UsageStatsDatabase {
final TimeSparseArray<AtomicFile> files =
mSortedStatFiles[UsageStatsManager.INTERVAL_DAILY];
final int fileCount = files.size();
- int start = 0;
- while (start < fileCount - 1) {
- if (!files.valueAt(start).getBaseFile().getName().endsWith("-c")) {
- break;
+
+ // We may have holes in the checkin (if there was an error)
+ // so find the last checked-in file and go from there.
+ int lastCheckin = -1;
+ for (int i = 0; i < fileCount - 1; i++) {
+ if (files.valueAt(i).getBaseFile().getPath().endsWith(CHECKED_IN_SUFFIX)) {
+ lastCheckin = i;
}
- start++;
}
+ final int start = lastCheckin + 1;
if (start == fileCount - 1) {
return true;
}
@@ -143,8 +147,8 @@ class UsageStatsDatabase {
// are marked as checked-in.
for (int i = start; i < fileCount - 1; i++) {
final AtomicFile file = files.valueAt(i);
- final File checkedInFile = new File(file.getBaseFile().getParent(),
- file.getBaseFile().getName() + "-c");
+ final File checkedInFile = new File(
+ file.getBaseFile().getPath() + CHECKED_IN_SUFFIX);
if (!file.getBaseFile().renameTo(checkedInFile)) {
// We must return success, as we've already marked some files as checked-in.
// It's better to repeat ourselves than to lose data.
@@ -152,6 +156,10 @@ class UsageStatsDatabase {
+ " as checked-in");
return true;
}
+
+ // AtomicFile needs to set a new backup path with the same -c extension, so
+ // we replace the old AtomicFile with the updated one.
+ files.setValueAt(i, new AtomicFile(checkedInFile));
}
}
return true;
@@ -240,8 +248,13 @@ class UsageStatsDatabase {
} catch (IOException e) {
// Ignore, this is just to make sure there are no backups.
}
- final File newFile = new File(file.getBaseFile().getParentFile(),
- Long.toString(newTime));
+
+ String newName = Long.toString(newTime);
+ if (file.getBaseFile().getName().endsWith(CHECKED_IN_SUFFIX)) {
+ newName = newName + CHECKED_IN_SUFFIX;
+ }
+
+ final File newFile = new File(file.getBaseFile().getParentFile(), newName);
Slog.i(TAG, "Moving file " + file.getBaseFile().getAbsolutePath() + " to "
+ newFile.getAbsolutePath());
file.getBaseFile().renameTo(newFile);