[8/8] Use PresenceController and AppController in CdmService (aa15e1cc) · Commits · e / os / android_frameworks_base

core/java/android/companion/AssociationInfo.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -207,6 +207,18 @@ public final class AssociationInfo implements Parcelable {
		return macAddress.equals(mDeviceMacAddress);
		}

		/**
		* Utility method to be used by CdmService only.
		*
		* @return whether CdmService should bind the companion application that "owns" this association
		* when the device is present.
		*
		* @hide
		*/
		public boolean shouldBindWhenPresent() {
		return mNotifyOnDeviceNearby \|\| mSelfManaged;
		}

		/** @hide */
		public @NonNull String toShortString() {
		final StringBuilder sb = new StringBuilder();

services/companion/java/com/android/server/companion/AssociationCleanUpService.java

+9 −8

Original line number	Diff line number	Diff line
		@@ -16,7 +16,9 @@

		package com.android.server.companion;

		import static com.android.server.companion.CompanionDeviceManagerService.LOG_TAG;
		import static com.android.server.companion.CompanionDeviceManagerService.TAG;

		import static java.util.concurrent.TimeUnit.DAYS;

		import android.app.job.JobInfo;
		import android.app.job.JobParameters;
		@@ -37,17 +39,16 @@ import com.android.server.LocalServices;
		*/
		public class AssociationCleanUpService extends JobService {
		private static final int JOB_ID = AssociationCleanUpService.class.hashCode();
		private static final long ONE_DAY_INTERVAL = 3 * 24 * 60 * 60 * 1000; // 1 Day
		private CompanionDeviceManagerServiceInternal mCdmServiceInternal = LocalServices.getService(
		CompanionDeviceManagerServiceInternal.class);
		private static final long ONE_DAY_INTERVAL = DAYS.toMillis(1);

		@Override
		public boolean onStartJob(final JobParameters params) {
		Slog.i(LOG_TAG, "Execute the Association CleanUp job");
		Slog.i(TAG, "Execute the Association CleanUp job");
		// Special policy for APP_STREAMING role that need to revoke associations if the device
		// does not connect for 3 months.
		AsyncTask.execute(() -> {
		mCdmServiceInternal.associationCleanUp(AssociationRequest.DEVICE_PROFILE_APP_STREAMING);
		LocalServices.getService(CompanionDeviceManagerServiceInternal.class)
		.associationCleanUp(AssociationRequest.DEVICE_PROFILE_APP_STREAMING);
		jobFinished(params, false);
		});
		return true;
		@@ -55,7 +56,7 @@ public class AssociationCleanUpService extends JobService {

		@Override
		public boolean onStopJob(final JobParameters params) {
		Slog.i(LOG_TAG, "Association cleanup job stopped; id=" + params.getJobId()
		Slog.i(TAG, "Association cleanup job stopped; id=" + params.getJobId()
		+ ", reason="
		+ JobParameters.getInternalReasonCodeDescription(
		params.getInternalStopReasonCode()));
		@@ -63,7 +64,7 @@ public class AssociationCleanUpService extends JobService {
		}

		static void schedule(Context context) {
		Slog.i(LOG_TAG, "Scheduling the Association Cleanup job");
		Slog.i(TAG, "Scheduling the Association Cleanup job");
		final JobScheduler jobScheduler = context.getSystemService(JobScheduler.class);
		final JobInfo job = new JobInfo.Builder(JOB_ID,
		new ComponentName(context, AssociationCleanUpService.class))

services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java

+285 −585

File changed.

Preview size limit exceeded, changes collapsed.

services/companion/java/com/android/server/companion/CompanionDevicePresenceController.java

deleted100644 → 0

+0 −238

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2021 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.companion;

		import static android.Manifest.permission.BIND_COMPANION_DEVICE_SERVICE;
		import static android.content.Context.BIND_IMPORTANT;

		import static com.android.internal.util.CollectionUtils.filter;

		import android.annotation.NonNull;
		import android.companion.AssociationInfo;
		import android.companion.CompanionDeviceService;
		import android.companion.ICompanionDeviceService;
		import android.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		import android.content.pm.PackageManager;
		import android.content.pm.ResolveInfo;
		import android.os.Handler;
		import android.util.ArrayMap;
		import android.util.Slog;

		import com.android.internal.infra.PerUser;
		import com.android.internal.infra.ServiceConnector;

		import java.util.ArrayList;
		import java.util.List;
		import java.util.Objects;

		/**
		* This class creates/removes {@link ServiceConnector}s between {@link CompanionDeviceService} and
		* the companion apps. The controller also will notify the companion apps with device status.
		*/
		public class CompanionDevicePresenceController {
		private static final String LOG_TAG = "CompanionDevicePresenceController";
		PerUser<ArrayMap<String, List<BoundService>>> mBoundServices;
		private static final String META_DATA_KEY_PRIMARY = "android.companion.primary";
		private final CompanionDeviceManagerService mService;

		public CompanionDevicePresenceController(CompanionDeviceManagerService service) {
		mService = service;
		mBoundServices = new PerUser<ArrayMap<String, List<BoundService>>>() {
		@NonNull
		@Override
		protected ArrayMap<String, List<BoundService>> create(int userId) {
		return new ArrayMap<>();
		}
		};
		}

		void onDeviceNotifyAppeared(AssociationInfo association, Context context, Handler handler) {
		for (BoundService boundService : getDeviceListenerServiceConnector(
		association, context, handler)) {
		if (boundService.mIsPrimary) {
		Slog.i(LOG_TAG,
		"Sending onDeviceAppeared to " + association.getPackageName() + ")");
		boundService.mServiceConnector.run(
		service -> service.onDeviceAppeared(association));
		} else {
		Slog.i(LOG_TAG, "Connecting to " + boundService.mComponentName);
		boundService.mServiceConnector.connect();
		}
		}
		}

		void onDeviceNotifyDisappeared(AssociationInfo association, Context context, Handler handler) {
		for (BoundService boundService : getDeviceListenerServiceConnector(
		association, context, handler)) {
		if (boundService.mIsPrimary) {
		Slog.i(LOG_TAG,
		"Sending onDeviceDisappeared to " + association.getPackageName() + ")");
		boundService.mServiceConnector.run(service ->
		service.onDeviceDisappeared(association));
		}
		}
		}

		void onDeviceNotifyDisappearedAndUnbind(AssociationInfo association,
		Context context, Handler handler) {
		for (BoundService boundService : getDeviceListenerServiceConnector(
		association, context, handler)) {
		if (boundService.mIsPrimary) {
		Slog.i(LOG_TAG,
		"Sending onDeviceDisappeared to " + association.getPackageName() + ")");
		boundService.mServiceConnector.post(
		service -> {
		service.onDeviceDisappeared(association);
		}).thenRun(() -> unbindDevicePresenceListener(
		association.getPackageName(), association.getUserId()));
		}
		}
		}

		void unbindDevicePresenceListener(String packageName, int userId) {
		List<BoundService> boundServices = mBoundServices.forUser(userId)
		.remove(packageName);
		if (boundServices != null) {
		for (BoundService boundService: boundServices) {
		Slog.d(LOG_TAG, "Unbinding the serviceConnector: " + boundService.mComponentName);
		boundService.mServiceConnector.unbind();
		}
		}
		}

		private List<BoundService> getDeviceListenerServiceConnector(AssociationInfo a, Context context,
		Handler handler) {
		return mBoundServices.forUser(a.getUserId()).computeIfAbsent(
		a.getPackageName(),
		pkg -> createDeviceListenerServiceConnector(a, context, handler));
		}

		private List<BoundService> createDeviceListenerServiceConnector(AssociationInfo a,
		Context context, Handler handler) {
		List<ResolveInfo> resolveInfos = context
		.getPackageManager()
		.queryIntentServicesAsUser(new Intent(CompanionDeviceService.SERVICE_INTERFACE),
		PackageManager.GET_META_DATA, a.getUserId());
		List<ResolveInfo> packageResolveInfos = filter(resolveInfos,
		info -> Objects.equals(info.serviceInfo.packageName, a.getPackageName()));
		List<BoundService> serviceConnectors = new ArrayList<>();
		if (!validatePackageInfo(packageResolveInfos, a)) {
		return serviceConnectors;
		}
		for (ResolveInfo packageResolveInfo : packageResolveInfos) {
		boolean isPrimary = (packageResolveInfo.serviceInfo.metaData != null
		&& packageResolveInfo.serviceInfo.metaData.getBoolean(META_DATA_KEY_PRIMARY))
		\|\| packageResolveInfos.size() == 1;
		ComponentName componentName = packageResolveInfo.serviceInfo.getComponentName();

		Slog.i(LOG_TAG, "Initializing CompanionDeviceService binding for " + componentName);

		ServiceConnector<ICompanionDeviceService> serviceConnector =
		new ServiceConnector.Impl<ICompanionDeviceService>(context,
		new Intent(CompanionDeviceService.SERVICE_INTERFACE).setComponent(
		componentName), BIND_IMPORTANT, a.getUserId(),
		ICompanionDeviceService.Stub::asInterface) {
		@Override
		protected long getAutoDisconnectTimeoutMs() {
		// Service binding is managed manually based on corresponding device
		// being nearby
		return -1;
		}

		@Override
		public void binderDied() {
		super.binderDied();
		if (a.isSelfManaged()) {
		mBoundServices.forUser(a.getUserId()).remove(a.getPackageName());
		mService.mPresentSelfManagedDevices.remove(a.getId());
		} else {
		// Re-connect to the service if process gets killed
		handler.postDelayed(
		this::connect,
		CompanionDeviceManagerService
		.DEVICE_LISTENER_DIED_REBIND_TIMEOUT_MS);
		}
		}
		};

		serviceConnectors.add(new BoundService(componentName, isPrimary, serviceConnector));
		}
		return serviceConnectors;
		}

		private boolean validatePackageInfo(List<ResolveInfo> packageResolveInfos,
		AssociationInfo association) {
		if (packageResolveInfos.size() == 0 \|\| packageResolveInfos.size() > 5) {
		Slog.e(LOG_TAG, "Device presence listener package must have at least one and not "
		+ "more than five CompanionDeviceService(s) declared. But "
		+ association.getPackageName()
		+ " has " + packageResolveInfos.size());
		return false;
		}

		int primaryCount = 0;
		for (ResolveInfo packageResolveInfo : packageResolveInfos) {
		String servicePermission = packageResolveInfo.serviceInfo.permission;
		if (!BIND_COMPANION_DEVICE_SERVICE.equals(servicePermission)) {
		Slog.e(LOG_TAG, "Binding CompanionDeviceService must have "
		+ BIND_COMPANION_DEVICE_SERVICE + " permission.");
		return false;
		}

		if (packageResolveInfo.serviceInfo.metaData != null
		&& packageResolveInfo.serviceInfo.metaData.getBoolean(META_DATA_KEY_PRIMARY)) {
		primaryCount++;
		if (primaryCount > 1) {
		Slog.e(LOG_TAG, "Must have exactly one primary CompanionDeviceService "
		+ "to be bound but "
		+ association.getPackageName() + "has " + primaryCount);
		return false;
		}
		}
		}

		if (packageResolveInfos.size() > 1 && primaryCount == 0) {
		Slog.e(LOG_TAG, "Must have exactly one primary CompanionDeviceService "
		+ "to be bound when declare more than one CompanionDeviceService but "
		+ association.getPackageName() + " has " + primaryCount);
		return false;
		}

		if (packageResolveInfos.size() == 1 && primaryCount != 0) {
		Slog.w(LOG_TAG, "Do not need the primary metadata if there's only one"
		+ " CompanionDeviceService " + "but " + association.getPackageName()
		+ " has " + primaryCount);
		}

		return true;
		}

		private static class BoundService {
		private final ComponentName mComponentName;
		private final boolean mIsPrimary;
		private final ServiceConnector<ICompanionDeviceService> mServiceConnector;

		BoundService(ComponentName componentName,
		boolean isPrimary, ServiceConnector<ICompanionDeviceService> serviceConnector) {
		this.mComponentName = componentName;
		this.mIsPrimary = isPrimary;
		this.mServiceConnector = serviceConnector;
		}
		}
		}

services/companion/java/com/android/server/companion/PackageUtils.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -21,7 +21,7 @@ import static android.content.pm.PackageManager.GET_CONFIGURATIONS;
		import static android.content.pm.PackageManager.GET_META_DATA;
		import static android.content.pm.PackageManager.GET_PERMISSIONS;

		import static com.android.server.companion.CompanionDeviceManagerService.LOG_TAG;
		import static com.android.server.companion.CompanionDeviceManagerService.TAG;

		import android.Manifest;
		import android.annotation.NonNull;
		@@ -96,7 +96,7 @@ final class PackageUtils {
		final boolean requiresPermission = Manifest.permission.BIND_COMPANION_DEVICE_SERVICE
		.equals(resolveInfo.serviceInfo.permission);
		if (!requiresPermission) {
		Slog.w(LOG_TAG, "CompanionDeviceService "
		Slog.w(TAG, "CompanionDeviceService "
		+ service.getComponentName().flattenToShortString() + " must require "
		+ "android.permission.BIND_COMPANION_DEVICE_SERVICE");
		continue;