Delay syncs for idle apps (96a0fd65) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/content/AppIdleMonitor.java

0 → 100644

+89 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2015 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.server.content;

		import android.app.usage.UsageStatsManagerInternal;
		import android.app.usage.UsageStatsManagerInternal.AppIdleStateChangeListener;
		import android.content.BroadcastReceiver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.os.BatteryManager;
		import android.os.UserHandle;

		import com.android.server.LocalServices;

		/**
		* Helper to listen for app idle and charging status changes and restart backed off
		* sync operations.
		*/
		class AppIdleMonitor implements AppIdleStateChangeListener {

		private final SyncManager mSyncManager;
		private final UsageStatsManagerInternal mUsageStats;
		final BatteryManager mBatteryManager;
		/** Is the device currently plugged into power. */
		private boolean mPluggedIn;

		private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		onPluggedIn(mBatteryManager.isCharging());
		}
		};

		AppIdleMonitor(SyncManager syncManager, Context context) {
		mSyncManager = syncManager;
		mUsageStats = LocalServices.getService(UsageStatsManagerInternal.class);
		mUsageStats.addAppIdleStateChangeListener(this);
		mBatteryManager = context.getSystemService(BatteryManager.class);
		mPluggedIn = isPowered();
		registerReceivers(context);
		}

		private void registerReceivers(Context context) {
		// Monitor battery charging state
		IntentFilter filter = new IntentFilter(BatteryManager.ACTION_CHARGING);
		filter.addAction(BatteryManager.ACTION_DISCHARGING);
		context.registerReceiver(mReceiver, filter);
		}

		private boolean isPowered() {
		return mBatteryManager.isCharging();
		}

		void onPluggedIn(boolean pluggedIn) {
		if (mPluggedIn == pluggedIn) {
		return;
		}
		mPluggedIn = pluggedIn;
		if (mPluggedIn) {
		mSyncManager.onAppNotIdle(null, UserHandle.USER_ALL);
		}
		}

		boolean isAppIdle(String packageName, int userId) {
		return !mPluggedIn && mUsageStats.isAppIdle(packageName, userId);
		}

		@Override
		public void onAppIdleStateChanged(String packageName, int userId, boolean idle) {
		// Don't care if the app is becoming idle
		if (idle) return;
		mSyncManager.onAppNotIdle(packageName, userId);
		}
		}

services/core/java/com/android/server/content/SyncManager.java

+64 −1

Original line number	Diff line number	Diff line
		@@ -83,6 +83,7 @@ import com.android.internal.os.BackgroundThread;
		import com.android.internal.util.IndentingPrintWriter;
		import com.android.server.accounts.AccountManagerService;
		import com.android.server.content.SyncStorageEngine.AuthorityInfo;
		import com.android.server.content.SyncStorageEngine.EndPoint;
		import com.android.server.content.SyncStorageEngine.OnSyncRequestListener;
		import com.google.android.collect.Lists;
		import com.google.android.collect.Maps;
		@@ -107,7 +108,7 @@ import java.util.Set;
		* @hide
		*/
		public class SyncManager {
		private static final String TAG = "SyncManager";
		static final String TAG = "SyncManager";

		/** Delay a sync due to local changes this long. In milliseconds */
		private static final long LOCAL_SYNC_DELAY;
		@@ -199,6 +200,8 @@ public class SyncManager {

		protected SyncAdaptersCache mSyncAdapters;

		private final AppIdleMonitor mAppIdleMonitor;

		private BroadcastReceiver mStorageIntentReceiver =
		new BroadcastReceiver() {
		@Override
		@@ -427,6 +430,8 @@ public class SyncManager {
		mSyncAlarmIntent = PendingIntent.getBroadcast(
		mContext, 0 /* ignored */, new Intent(ACTION_SYNC_ALARM), 0);

		mAppIdleMonitor = new AppIdleMonitor(this, mContext);

		IntentFilter intentFilter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);
		context.registerReceiver(mConnectivityIntentReceiver, intentFilter);

		@@ -1168,6 +1173,36 @@ public class SyncManager {
		}
		}

		/**
		* Clear backoff on operations in the sync queue that match the packageName and userId.
		* @param packageName The package that just became active. Can be null to indicate that all
		* packages are now considered active due to being plugged in.
		* @param userId The user for which the package has become active. Can be USER_ALL if
		* the device just plugged in.
		*/
		void onAppNotIdle(String packageName, int userId) {
		synchronized (mSyncQueue) {
		// For all sync operations in sync queue, if marked as idle, compare with package name
		// and unmark. And clear backoff for the operation.
		final Iterator<SyncOperation> operationIterator =
		mSyncQueue.getOperations().iterator();
		boolean changed = false;
		while (operationIterator.hasNext()) {
		final SyncOperation op = operationIterator.next();
		if (op.appIdle
		&& getPackageName(op.target).equals(packageName)
		&& (userId == UserHandle.USER_ALL \|\| op.target.userId == userId)) {
		op.appIdle = false;
		clearBackoffSetting(op);
		changed = true;
		}
		}
		if (changed) {
		sendCheckAlarmsMessage();
		}
		}
		}

		/**
		* @hide
		*/
		@@ -2447,6 +2482,19 @@ public class SyncManager {
		}
		continue;
		}
		String packageName = getPackageName(op.target);
		// If app is considered idle, then skip for now and backoff
		if (packageName != null
		&& mAppIdleMonitor.isAppIdle(packageName, op.target.userId)) {
		increaseBackoffSetting(op);
		op.appIdle = true;
		if (isLoggable) {
		Log.v(TAG, "Sync backing off idle app " + packageName);
		}
		continue;
		} else {
		op.appIdle = false;
		}
		// Add this sync to be run.
		operations.add(op);
		}
		@@ -3194,6 +3242,21 @@ public class SyncManager {
		}
		}

		String getPackageName(EndPoint endpoint) {
		if (endpoint.target_service) {
		return endpoint.service.getPackageName();
		} else {
		SyncAdapterType syncAdapterType =
		SyncAdapterType.newKey(endpoint.provider, endpoint.account.type);
		final RegisteredServicesCache.ServiceInfo<SyncAdapterType> syncAdapterInfo;
		syncAdapterInfo = mSyncAdapters.getServiceInfo(syncAdapterType, endpoint.userId);
		if (syncAdapterInfo == null) {
		return null;
		}
		return syncAdapterInfo.componentName.getPackageName();
		}
		}

		private boolean isSyncStillActive(ActiveSyncContext activeSyncContext) {
		for (ActiveSyncContext sync : mActiveSyncContexts) {
		if (sync == activeSyncContext) {

services/core/java/com/android/server/content/SyncOperation.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -90,6 +90,9 @@ public class SyncOperation implements Comparable {
		/** Descriptive string key for this operation */
		public String wakeLockName;

		/** Whether this sync op was recently skipped due to the app being idle */
		public boolean appIdle;

		public SyncOperation(Account account, int userId, int reason, int source, String provider,
		Bundle extras, long runTimeFromNow, long flexTime, long backoff,
		long delayUntil, boolean allowParallelSyncs) {

services/usage/java/com/android/server/usage/UsageStatsService.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -53,6 +53,7 @@ import android.util.SparseArray;

		import com.android.internal.os.BackgroundThread;
		import com.android.internal.util.IndentingPrintWriter;
		import com.android.server.SystemConfig;
		import com.android.server.SystemService;

		import java.io.File;
		@@ -383,6 +384,9 @@ public class UsageStatsService extends SystemService implements
		}

		boolean isAppIdle(String packageName, int userId) {
		if (SystemConfig.getInstance().getAllowInPowerSave().contains(packageName)) {
		return false;
		}
		final long lastUsed = getLastPackageAccessTime(packageName, userId);
		return hasPassedIdleDuration(lastUsed);
		}