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Limit DropBox storage to 1000 files (by default).

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Also does trimming asynchronously (not directly in the broadcast receiver).

Bug: 2541253
Change-Id: I7daf8bc618e2dce68a98571f5f7fbce4df1d6a76
This commit is contained in:
Dan Egnor
2010-03-24 17:48:20 -07:00
parent 3e8b72ac6e
commit 3a8b0c18a4
3 changed files with 78 additions and 11 deletions
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33
services/java/com/android/server/DropBoxManagerService.java
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@@ -61,10 +61,11 @@ import java.util.zip.GZIPOutputStream;
*/
public final class DropBoxManagerService extends IDropBoxManagerService.Stub {
private static final String TAG = "DropBoxManagerService";
private static final int DEFAULT_RESERVE_PERCENT = 10;
private static final int DEFAULT_QUOTA_PERCENT = 10;
private static final int DEFAULT_QUOTA_KB = 5 * 1024;
private static final int DEFAULT_AGE_SECONDS = 3 * 86400;
private static final int DEFAULT_MAX_FILES = 1000;
private static final int DEFAULT_QUOTA_KB = 5 * 1024;
private static final int DEFAULT_QUOTA_PERCENT = 10;
private static final int DEFAULT_RESERVE_PERCENT = 10;
private static final int QUOTA_RESCAN_MILLIS = 5000;
private static final boolean PROFILE_DUMP = false;
@@ -99,12 +100,20 @@ public final class DropBoxManagerService extends IDropBoxManagerService.Stub {
@Override
public void onReceive(Context context, Intent intent) {
mCachedQuotaUptimeMillis = 0; // Force a re-check of quota size
try {
init();
trimToFit();
} catch (IOException e) {
Slog.e(TAG, "Can't init", e);
}
// Run the initialization in the background (not this main thread).
// The init() and trimToFit() methods are synchronized, so they still
// block other users -- but at least the onReceive() call can finish.
new Thread() {
public void run() {
try {
init();
trimToFit();
} catch (IOException e) {
Slog.e(TAG, "Can't init", e);
}
}
}.start();
}
};
@@ -631,10 +640,12 @@ public final class DropBoxManagerService extends IDropBoxManagerService.Stub {
int ageSeconds = Settings.Secure.getInt(mContentResolver,
Settings.Secure.DROPBOX_AGE_SECONDS, DEFAULT_AGE_SECONDS);
int maxFiles = Settings.Secure.getInt(mContentResolver,
Settings.Secure.DROPBOX_MAX_FILES, DEFAULT_MAX_FILES);
long cutoffMillis = System.currentTimeMillis() - ageSeconds * 1000;
while (!mAllFiles.contents.isEmpty()) {
EntryFile entry = mAllFiles.contents.first();
if (entry.timestampMillis > cutoffMillis) break;
if (entry.timestampMillis > cutoffMillis && mAllFiles.contents.size() < maxFiles) break;
FileList tag = mFilesByTag.get(entry.tag);
if (tag != null && tag.contents.remove(entry)) tag.blocks -= entry.blocks;
@@ -673,7 +684,7 @@ public final class DropBoxManagerService extends IDropBoxManagerService.Stub {
// A single circular buffer (a la logcat) would be simpler, but this
// way we can handle fat/bursty data (like 1MB+ bugreports, 300KB+
// kernel crash dumps, and 100KB+ ANR reports) without swamping small,
// well-behaved data // streams (event statistics, profile data, etc).
// well-behaved data streams (event statistics, profile data, etc).
//
// Deleted files are replaced with zero-length tombstones to mark what
// was lost. Tombstones are expunged by age (see above).