A bit more refactoring in BackgroundDexOptService am: a57ef16375 (ff7bde0f) · Commits · e / os / android_frameworks_base

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

+44 −27

Original line number	Diff line number	Diff line
		@@ -124,9 +124,9 @@ public class BackgroundDexOptService extends JobService {
		return (100 * level / scale);
		}

		private long getLowStorageThreshold() {
		private long getLowStorageThreshold(Context context) {
		@SuppressWarnings("deprecation")
		final long lowThreshold = StorageManager.from(this).getStorageLowBytes(mDataDir);
		final long lowThreshold = StorageManager.from(context).getStorageLowBytes(mDataDir);
		if (lowThreshold == 0) {
		Log.e(TAG, "Invalid low storage threshold");
		}
		@@ -155,7 +155,7 @@ public class BackgroundDexOptService extends JobService {
		// Load low battery threshold from the system config. This is a 0-100 integer.
		final int lowBatteryThreshold = getResources().getInteger(
		com.android.internal.R.integer.config_lowBatteryWarningLevel);
		final long lowThreshold = getLowStorageThreshold();
		final long lowThreshold = getLowStorageThreshold(this);

		mAbortPostBootUpdate.set(false);

		@@ -206,47 +206,48 @@ public class BackgroundDexOptService extends JobService {
		new Thread("BackgroundDexOptService_IdleOptimization") {
		@Override
		public void run() {
		idleOptimization(jobParams, pm, pkgs);
		idleOptimization(pm, pkgs, BackgroundDexOptService.this);
		if (!mAbortIdleOptimization.get()) {
		// If we didn't abort we ran to completion (or stopped because of space).
		// Abandon our timeslice and do not reschedule.
		jobFinished(jobParams, /* reschedule */ false);
		}
		}
		}.start();
		return true;
		}

		private void idleOptimization(JobParameters jobParams, PackageManagerService pm,
		ArraySet<String> pkgs) {
		// Optimize the given packages and return true if the process was not aborted.
		// The abort can happen either because of job scheduler or because of lack of space.
		private boolean idleOptimization(PackageManagerService pm, ArraySet<String> pkgs,
		Context context) {
		Log.i(TAG, "Performing idle optimizations");
		// If post-boot update is still running, request that it exits early.
		mExitPostBootUpdate.set(true);

		mAbortIdleOptimization.set(false);

		final long lowThreshold = getLowStorageThreshold();
		long lowStorageThreshold = getLowStorageThreshold(context);
		return optimizePackages(pm, pkgs, lowStorageThreshold);
		}

		private boolean optimizePackages(PackageManagerService pm, ArraySet<String> pkgs,
		long lowStorageThreshold) {
		for (String pkg : pkgs) {
		if (mAbortIdleOptimization.get()) {
		// JobScheduler requested an early abort.
		return;
		if (abortIdleOptimizations(lowStorageThreshold)) {
		return false;
		}

		synchronized (sFailedPackageNames) {
		if (sFailedPackageNames.contains(pkg)) {
		// Skip previously failing package
		continue;
		}
		}

		long usableSpace = mDataDir.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;
		}

		} else {
		// Conservatively add package to the list of failing ones in case performDexOpt
		// never returns.
		synchronized (sFailedPackageNames) {
		sFailedPackageNames.add(pkg);
		}
		}

		// Optimize package if needed. Note that there can be no race between
		// concurrent jobs because PackageDexOptimizer.performDexOpt is synchronized.
		if (pm.performDexOpt(pkg,
		@@ -259,8 +260,24 @@ public class BackgroundDexOptService extends JobService {
		}
		}
		}
		// Ran to completion, so we abandon our timeslice and do not reschedule.
		jobFinished(jobParams, /* reschedule */ false);
		return true;
		}

		// Return true if the idle optimizations should be aborted because of a space constraints
		// or because the JobScheduler requested so.
		private boolean abortIdleOptimizations(long lowStorageThreshold) {
		if (mAbortIdleOptimization.get()) {
		// JobScheduler requested an early abort.
		return true;
		}
		long usableSpace = mDataDir.getUsableSpace();
		if (usableSpace < lowStorageThreshold) {
		// Rather bail than completely fill up the disk.
		Log.w(TAG, "Aborting background dex opt job due to low storage: " + usableSpace);
		return true;
		}

		return false;
		}

		@Override
		@@ -281,7 +298,7 @@ public class BackgroundDexOptService extends JobService {
		}

		final ArraySet<String> pkgs = pm.getOptimizablePackages();
		if (pkgs == null \|\| pkgs.isEmpty()) {
		if (pkgs.isEmpty()) {
		if (DEBUG_DEXOPT) {
		Log.i(TAG, "No packages to optimize");
		}