Snap for 7419753 from c50e8c3afe5fd53a72365fec6e0b515a705bcfe8 to sc-release (48e77cbe) · Commits · e / os / android_frameworks_base

.prebuilt_info/prebuilt_info_packages_CtsShim_apk__arm_CtsShimPriv_apk.asciipb

+2 −1

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		drops {
		android_build_drop {
		build_id: "7351002"
		build_id: "7396576"
		target: "CtsShim"
		source_file: "aosp_arm64/CtsShimPriv.apk"
		}
		@@ -9,4 +9,5 @@ drops {
		version_group: ""
		git_project: "platform/frameworks/base"
		git_branch: "sc-dev"
		transform: TRANSFORM_NONE
		}

.prebuilt_info/prebuilt_info_packages_CtsShim_apk__arm_CtsShim_apk.asciipb

+2 −1

Original line number	Diff line number	Diff line
		drops {
		android_build_drop {
		build_id: "7351002"
		build_id: "7396576"
		target: "CtsShim"
		source_file: "aosp_arm64/CtsShim.apk"
		}
		@@ -9,4 +9,5 @@ drops {
		version_group: ""
		git_project: "platform/frameworks/base"
		git_branch: "sc-dev"
		transform: TRANSFORM_NONE
		}

.prebuilt_info/prebuilt_info_packages_CtsShim_apk__x86_CtsShimPriv_apk.asciipb

+2 −1

Original line number	Diff line number	Diff line
		drops {
		android_build_drop {
		build_id: "7351002"
		build_id: "7396576"
		target: "CtsShim"
		source_file: "aosp_x86_64/CtsShimPriv.apk"
		}
		@@ -9,4 +9,5 @@ drops {
		version_group: ""
		git_project: "platform/frameworks/base"
		git_branch: "sc-dev"
		transform: TRANSFORM_NONE
		}

.prebuilt_info/prebuilt_info_packages_CtsShim_apk__x86_CtsShim_apk.asciipb

+2 −1

Original line number	Diff line number	Diff line
		drops {
		android_build_drop {
		build_id: "7351002"
		build_id: "7396576"
		target: "CtsShim"
		source_file: "aosp_x86_64/CtsShim.apk"
		}
		@@ -9,4 +9,5 @@ drops {
		version_group: ""
		git_project: "platform/frameworks/base"
		git_branch: "sc-dev"
		transform: TRANSFORM_NONE
		}

apex/appsearch/service/java/com/android/server/appsearch/AppSearchConfig.java

0 → 100644

+249 −0

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		/*
		* 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.appsearch;

		import android.annotation.NonNull;
		import android.os.Bundle;
		import android.provider.DeviceConfig;
		import android.provider.DeviceConfig.OnPropertiesChangedListener;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.annotations.VisibleForTesting;

		import java.util.Objects;
		import java.util.concurrent.Executor;

		/**
		* It contains all the keys for the flags, as well as caches some of latest flag values from
		* DeviceConfig.
		*
		* <p>Though the latest flag values can always be retrieved by calling {@code
		* DeviceConfig.getProperty}, we want to cache some of those values. For example, the sampling
		* intervals for logging, they are needed for each api call and it would be a little expensive to
		* call
		* {@code DeviceConfig.getProperty} every time.
		*
		* <p>Listener is registered to DeviceConfig keep the cached value up to date.
		*
		* <p>This class is thread-safe.
		*
		* @hide
		*/
		public final class AppSearchConfig implements AutoCloseable {
		/**
		* It would be used as default min time interval between samples in millis if there is no value
		* set for {@link AppSearchConfig#KEY_MIN_TIME_INTERVAL_BETWEEN_SAMPLES_MILLIS} in DeviceConfig.
		*/
		@VisibleForTesting
		static final long DEFAULT_MIN_TIME_INTERVAL_BETWEEN_SAMPLES_MILLIS = 50;

		/**
		* It would be used as default sampling interval if there is no value
		* set for {@link AppSearchConfig#KEY_SAMPLING_INTERVAL_DEFAULT} in DeviceConfig.
		*/
		@VisibleForTesting
		static final int DEFAULT_SAMPLING_INTERVAL = 10;

		/*
		* Keys for ALL the flags stored in DeviceConfig.
		*/
		public static final String KEY_MIN_TIME_INTERVAL_BETWEEN_SAMPLES_MILLIS =
		"min_time_interval_between_samples_millis";
		public static final String KEY_SAMPLING_INTERVAL_DEFAULT = "sampling_interval_default";
		public static final String KEY_SAMPLING_INTERVAL_FOR_BATCH_CALL_STATS =
		"sampling_interval_for_batch_call_stats";
		public static final String KEY_SAMPLING_INTERVAL_FOR_PUT_DOCUMENT_STATS =
		"sampling_interval_for_put_document_stats";

		// Array contains all the corresponding keys for the cached values.
		private static final String[] KEYS_TO_ALL_CACHED_VALUES = {
		KEY_MIN_TIME_INTERVAL_BETWEEN_SAMPLES_MILLIS,
		KEY_SAMPLING_INTERVAL_DEFAULT,
		KEY_SAMPLING_INTERVAL_FOR_BATCH_CALL_STATS,
		KEY_SAMPLING_INTERVAL_FOR_PUT_DOCUMENT_STATS
		};

		// Lock needed for all the operations in this class.
		private final Object mLock = new Object();

		/**
		* Bundle to hold all the cached flag values corresponding to
		* {@link AppSearchConfig#KEYS_TO_ALL_CACHED_VALUES}.
		*/
		@GuardedBy("mLock")
		private final Bundle mBundleLocked = new Bundle();


		@GuardedBy("mLock")
		private boolean mIsClosedLocked = false;

		/** Listener to update cached flag values from DeviceConfig. */
		private final OnPropertiesChangedListener mOnDeviceConfigChangedListener =
		properties -> {
		if (!properties.getNamespace().equals(DeviceConfig.NAMESPACE_APPSEARCH)) {
		return;
		}

		updateCachedValues(properties);
		};

		/**
		* Creates an instance of {@link AppSearchConfig}.
		*
		* @param executor used to fetch and cache the flag values from DeviceConfig during creation or
		* config change.
		*/
		@NonNull
		public static AppSearchConfig create(@NonNull Executor executor) {
		Objects.requireNonNull(executor);
		AppSearchConfig configManager = new AppSearchConfig();
		configManager.initialize(executor);
		return configManager;
		}

		private AppSearchConfig() {
		}

		/**
		* Initializes the {@link AppSearchConfig}
		*
		* <p>It fetches the custom properties from DeviceConfig if available.
		*
		* @param executor listener would be run on to handle P/H flag change.
		*/
		private void initialize(@NonNull Executor executor) {
		executor.execute(() -> {
		// Attach the callback to get updates on those properties.
		DeviceConfig.addOnPropertiesChangedListener(DeviceConfig.NAMESPACE_APPSEARCH,
		executor,
		mOnDeviceConfigChangedListener);

		DeviceConfig.Properties properties = DeviceConfig.getProperties(
		DeviceConfig.NAMESPACE_APPSEARCH, KEYS_TO_ALL_CACHED_VALUES);
		updateCachedValues(properties);
		});
		}

		// TODO(b/173532925) check this will be called. If we have a singleton instance for this
		// class, probably we don't need it.
		@Override
		public void close() {
		synchronized (mLock) {
		if (mIsClosedLocked) {
		return;
		}

		DeviceConfig.removeOnPropertiesChangedListener(mOnDeviceConfigChangedListener);
		mIsClosedLocked = true;
		}
		}

		/** Returns cached value for minTimeIntervalBetweenSamplesMillis. */
		public long getCachedMinTimeIntervalBetweenSamplesMillis() {
		synchronized (mLock) {
		throwIfClosedLocked();
		return mBundleLocked.getLong(KEY_MIN_TIME_INTERVAL_BETWEEN_SAMPLES_MILLIS,
		DEFAULT_MIN_TIME_INTERVAL_BETWEEN_SAMPLES_MILLIS);
		}
		}

		/**
		* Returns cached value for default sampling interval for all the stats NOT listed in
		* the configuration.
		*
		* <p>For example, sampling_interval=10 means that one out of every 10 stats was logged.
		*/
		public int getCachedSamplingIntervalDefault() {
		synchronized (mLock) {
		throwIfClosedLocked();
		return mBundleLocked.getInt(KEY_SAMPLING_INTERVAL_DEFAULT, DEFAULT_SAMPLING_INTERVAL);
		}
		}

		/**
		* Returns cached value for sampling interval for batch calls.
		*
		* <p>For example, sampling_interval=10 means that one out of every 10 stats was logged.
		*/
		public int getCachedSamplingIntervalForBatchCallStats() {
		synchronized (mLock) {
		throwIfClosedLocked();
		return mBundleLocked.getInt(KEY_SAMPLING_INTERVAL_FOR_BATCH_CALL_STATS,
		getCachedSamplingIntervalDefault());
		}
		}

		/**
		* Returns cached value for sampling interval for putDocument.
		*
		* <p>For example, sampling_interval=10 means that one out of every 10 stats was logged.
		*/
		public int getCachedSamplingIntervalForPutDocumentStats() {
		synchronized (mLock) {
		throwIfClosedLocked();
		return mBundleLocked.getInt(KEY_SAMPLING_INTERVAL_FOR_PUT_DOCUMENT_STATS,
		getCachedSamplingIntervalDefault());
		}
		}

		@GuardedBy("mLock")
		private void throwIfClosedLocked() {
		if (mIsClosedLocked) {
		throw new IllegalStateException("Trying to use a closed AppSearchConfig instance.");
		}
		}

		private void updateCachedValues(@NonNull DeviceConfig.Properties properties) {
		for (String key : properties.getKeyset()) {
		updateCachedValue(key, properties);
		}
		}

		private void updateCachedValue(@NonNull String key,
		@NonNull DeviceConfig.Properties properties) {
		if (properties.getString(key, /defaultValue=/ null) == null) {
		// Key is missing or value is just null. That is not expected if the key is
		// defined in the configuration.
		//
		// We choose NOT to put the default value in the bundle.
		// Instead, we let the getters handle what default value should be returned.
		//
		// Also we keep the old value in the bundle. So getters can still
		// return last valid value.
		return;
		}

		switch (key) {
		case KEY_MIN_TIME_INTERVAL_BETWEEN_SAMPLES_MILLIS:
		synchronized (mLock) {
		mBundleLocked.putLong(key,
		properties.getLong(key,
		DEFAULT_MIN_TIME_INTERVAL_BETWEEN_SAMPLES_MILLIS));
		}
		break;
		case KEY_SAMPLING_INTERVAL_DEFAULT:
		case KEY_SAMPLING_INTERVAL_FOR_BATCH_CALL_STATS:
		case KEY_SAMPLING_INTERVAL_FOR_PUT_DOCUMENT_STATS:
		synchronized (mLock) {
		mBundleLocked.putInt(key, properties.getInt(key, DEFAULT_SAMPLING_INTERVAL));
		}
		break;
		default:
		break;
		}
		}
		}