Merge "BackgroundDexOptService: Check for low storage conditions." into nyc-mr1-dev (712dde29) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/pm/BackgroundDexOptService.java

+40 −0

Original line number	Diff line number	Diff line
		@@ -28,10 +28,13 @@ import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.os.BatteryManager;
		import android.os.Environment;
		import android.os.ServiceManager;
		import android.os.storage.StorageManager;
		import android.util.ArraySet;
		import android.util.Log;

		import java.io.File;
		import java.util.concurrent.atomic.AtomicBoolean;
		import java.util.concurrent.TimeUnit;

		@@ -66,6 +69,8 @@ public class BackgroundDexOptService extends JobService {
		*/
		final AtomicBoolean mExitPostBootUpdate = new AtomicBoolean(false);

		private final File dataDir = Environment.getDataDirectory();

		public static void schedule(Context context) {
		JobScheduler js = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE);

		@@ -113,6 +118,16 @@ public class BackgroundDexOptService extends JobService {
		return (100 * level / scale);
		}

		private long getLowStorageThreshold() {
		@SuppressWarnings("deprecation")
		final long lowThreshold = StorageManager.from(this).getStorageLowBytes(dataDir);
		if (lowThreshold == 0) {
		Log.e(TAG, "Invalid low storage threshold");
		}

		return lowThreshold;
		}

		private boolean runPostBootUpdate(final JobParameters jobParams,
		final PackageManagerService pm, final ArraySet<String> pkgs) {
		if (mExitPostBootUpdate.get()) {
		@@ -124,6 +139,8 @@ public class BackgroundDexOptService extends JobService {
		final int lowBatteryThreshold = getResources().getInteger(
		com.android.internal.R.integer.config_lowBatteryWarningLevel);

		final long lowThreshold = getLowStorageThreshold();

		mAbortPostBootUpdate.set(false);
		new Thread("BackgroundDexOptService_PostBootUpdate") {
		@Override
		@@ -141,6 +158,14 @@ public class BackgroundDexOptService extends JobService {
		// Rather bail than completely drain the battery.
		break;
		}
		long usableSpace = dataDir.getUsableSpace();
		if (usableSpace < lowThreshold) {
		// Rather bail than completely fill up the disk.
		Log.w(TAG, "Aborting background dex opt job due to low storage: " +
		usableSpace);
		break;
		}

		if (DEBUG_DEXOPT) {
		Log.i(TAG, "Updating package " + pkg);
		}
		@@ -171,6 +196,9 @@ public class BackgroundDexOptService extends JobService {
		mExitPostBootUpdate.set(true);

		mAbortIdleOptimization.set(false);

		final long lowThreshold = getLowStorageThreshold();

		new Thread("BackgroundDexOptService_IdleOptimization") {
		@Override
		public void run() {
		@@ -183,6 +211,15 @@ public class BackgroundDexOptService extends JobService {
		// Skip previously failing package
		continue;
		}

		long usableSpace = dataDir.getUsableSpace();
		if (usableSpace < lowThreshold) {
		// Rather bail than completely fill up the disk.
		Log.w(TAG, "Aborting background dex opt job due to low storage: " +
		usableSpace);
		break;
		}

		// Conservatively add package to the list of failing ones in case performDexOpt
		// never returns.
		synchronized (sFailedPackageNames) {
		@@ -213,6 +250,9 @@ public class BackgroundDexOptService extends JobService {
		Log.i(TAG, "onStartJob");
		}

		// NOTE: PackageManagerService.isStorageLow uses a different set of criteria from
		// the checks above. This check is not "live" - the value is determined by a background
		// restart with a period of ~1 minute.
		PackageManagerService pm = (PackageManagerService)ServiceManager.getService("package");
		if (pm.isStorageLow()) {
		if (DEBUG_DEXOPT) {