Merge "Add a null check when getting TransportConnection in PFTBT" into tm-dev (64c8788e) · Commits · e / os / android_frameworks_base

services/backup/java/com/android/server/backup/UserBackupManagerService.java

+28 −17

Original line number	Diff line number	Diff line
		@@ -2359,23 +2359,10 @@ public class UserBackupManagerService {
		}
		} while (headBusy);

		if (!runBackup) {
		if (DEBUG_SCHEDULING) {
		Slog.i(
		TAG,
		addUserIdToLogMessage(
		mUserId,
		"Nothing pending full backup; rescheduling +" + latency));
		}
		final long deferTime = latency; // pin for the closure
		FullBackupJob.schedule(mUserId, mContext, deferTime, mConstants);
		return false;
		}

		// Okay, the top thing is ready for backup now. Do it.
		mFullBackupQueue.remove(0);
		if (runBackup) {
		CountDownLatch latch = new CountDownLatch(1);
		String[] pkg = new String[]{entry.packageName};
		try {
		mRunningFullBackupTask = PerformFullTransportBackupTask.newWithCurrentTransport(
		this,
		mOperationStorage,
		@@ -2389,6 +2376,28 @@ public class UserBackupManagerService {
		/* userInitiated */ false,
		"BMS.beginFullBackup()",
		getEligibilityRulesForOperation(OperationType.BACKUP));
		} catch (IllegalStateException e) {
		Slog.w(TAG, "Failed to start backup", e);
		runBackup = false;
		}
		}

		if (!runBackup) {
		if (DEBUG_SCHEDULING) {
		Slog.i(
		TAG,
		addUserIdToLogMessage(
		mUserId,
		"Nothing pending full backup or failed to start the "
		+ "operation; rescheduling +" + latency));
		}
		final long deferTime = latency; // pin for the closure
		FullBackupJob.schedule(mUserId, mContext, deferTime, mConstants);
		return false;
		}

		// Okay, the top thing is ready for backup now. Do it.
		mFullBackupQueue.remove(0);
		// Acquiring wakelock for PerformFullTransportBackupTask before its start.
		mWakelock.acquire();
		(new Thread(mRunningFullBackupTask)).start();
		@@ -2884,7 +2893,6 @@ public class UserBackupManagerService {
		public void fullTransportBackup(String[] pkgNames) {
		mContext.enforceCallingPermission(android.Manifest.permission.BACKUP,
		"fullTransportBackup");

		final int callingUserHandle = UserHandle.getCallingUserId();
		// TODO: http://b/22388012
		if (callingUserHandle != UserHandle.USER_SYSTEM) {
		@@ -2936,6 +2944,9 @@ public class UserBackupManagerService {
		for (String pkg : pkgNames) {
		enqueueFullBackup(pkg, now);
		}
		} catch (IllegalStateException e) {
		Slog.w(TAG, "Failed to start backup: ", e);
		return;
		} finally {
		Binder.restoreCallingIdentity(oldId);
		}

services/backup/java/com/android/server/backup/fullbackup/PerformFullTransportBackupTask.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -99,6 +99,9 @@ import java.util.concurrent.atomic.AtomicLong;
		* mBackupRunner.getBackupResultBlocking().
		*/
		public class PerformFullTransportBackupTask extends FullBackupTask implements BackupRestoreTask {
		/**
		* @throws IllegalStateException if there's no transport available.
		*/
		public static PerformFullTransportBackupTask newWithCurrentTransport(
		UserBackupManagerService backupManagerService,
		OperationStorage operationStorage,
		@@ -115,6 +118,9 @@ public class PerformFullTransportBackupTask extends FullBackupTask implements Ba
		TransportManager transportManager = backupManagerService.getTransportManager();
		TransportConnection transportConnection = transportManager.getCurrentTransportClient(
		caller);
		if (transportConnection == null) {
		throw new IllegalStateException("No TransportConnection available");
		}
		OnTaskFinishedListener listener =
		listenerCaller ->
		transportManager.disposeOfTransportClient(transportConnection,

services/tests/servicestests/src/com/android/server/backup/fullbackup/PerformFullTransportBackupTaskTest.java

0 → 100644

+73 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2022 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.backup.fullbackup;

		import static org.junit.Assert.assertThrows;
		import static org.mockito.ArgumentMatchers.any;
		import static org.mockito.Mockito.when;

		import android.platform.test.annotations.Presubmit;

		import androidx.test.runner.AndroidJUnit4;

		import com.android.server.backup.TransportManager;
		import com.android.server.backup.UserBackupManagerService;

		import org.junit.Before;
		import org.junit.Test;
		import org.junit.runner.RunWith;
		import org.mockito.Mock;
		import org.mockito.MockitoAnnotations;

		@Presubmit
		@RunWith(AndroidJUnit4.class)
		public class PerformFullTransportBackupTaskTest {
		@Mock
		UserBackupManagerService mBackupManagerService;
		@Mock
		TransportManager mTransportManager;

		@Before
		public void setUp() {
		MockitoAnnotations.initMocks(this);

		when(mBackupManagerService.getTransportManager()).thenReturn(mTransportManager);
		}

		@Test
		public void testNewWithCurrentTransport_noTransportConnection_throws() {
		when(mTransportManager.getCurrentTransportClient(any())).thenReturn(null);

		assertThrows(IllegalStateException.class,
		() -> {
		PerformFullTransportBackupTask task = PerformFullTransportBackupTask
		.newWithCurrentTransport(
		mBackupManagerService,
		/* operationStorage */ null,
		/* observer */ null,
		/* whichPackages */ null,
		/* updateSchedule */ false,
		/* runningJob */ null,
		/* latch */ null,
		/* backupObserver */ null,
		/* monitor */ null,
		/* userInitiated */ false,
		/* caller */ null,
		/* backupEligibilityRules */ null);
		});
		}
		}