261 lines
9.3 KiB
Java
261 lines
9.3 KiB
Java
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.app.usage;
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import android.annotation.BytesLong;
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import android.annotation.FlaggedApi;
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import android.annotation.IntDef;
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import android.content.Context;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.os.UserHandle;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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/**
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* Storage statistics for a UID, package, or {@link UserHandle} on a single
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* storage volume.
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*
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* @see StorageStatsManager
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*/
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public final class StorageStats implements Parcelable {
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/** @hide */ public long codeBytes;
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/** @hide */ public long dataBytes;
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/** @hide */ public long cacheBytes;
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/** @hide */ public long apkBytes;
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/** @hide */ public long libBytes;
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/** @hide */ public long dmBytes;
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/** @hide */ public long dexoptBytes;
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/** @hide */ public long curProfBytes;
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/** @hide */ public long refProfBytes;
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/** @hide */ public long externalCacheBytes;
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/**
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* Represents all nonstale dexopt and runtime artifacts of application.
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* This includes AOT-compiled code and other data that can speed up app execution.
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* For more detailed information, read the
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* <a href="https://source.android.com/docs/core/runtime/jit-compiler#flow">JIT compiler</a>
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* guide.
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*
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* Dexopt artifacts become stale when one of their dependencies
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* has changed. They may be cleaned up or replaced by ART Services at any time.
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*
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* For a preload app, this type includes dexopt artifacts on readonly partitions
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* if they are up-to-date.
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*
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* Can be used as an input to {@link #getAppBytesByDataType(int)}
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* to get the sum of sizes for files of this type. The sum might include the size of data
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* that is part of appBytes, dataBytes or cacheBytes.
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*/
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@FlaggedApi(Flags.FLAG_GET_APP_BYTES_BY_DATA_TYPE_API)
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public static final int APP_DATA_TYPE_FILE_TYPE_DEXOPT_ARTIFACT = 0;
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/**
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* Represents reference profile of application.
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*
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* Reference profiles are the ones used during the last profile-guided dexopt.
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* If the last dexopt wasn't profile-guided, then these profiles were not used.
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*
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* Can be used as an input to {@link #getAppBytesByDataType(int)}
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* to get the size of files of this type.
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*/
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@FlaggedApi(Flags.FLAG_GET_APP_BYTES_BY_DATA_TYPE_API)
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public static final int APP_DATA_TYPE_FILE_TYPE_REFERENCE_PROFILE = 1;
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/**
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* Represents current profile of application.
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*
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* Current profiles may or may not be used during the next profile-guided dexopt.
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*
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* Can be used as an input to {@link #getAppBytesByDataType(int)}
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* to get the size of files of this type. This size fluctuates regularly,
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* it goes up when the user uses more and more classes/methods and comes down when
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* a deamon merges this into the ref profile and does profile-guided dexopt.
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*/
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@FlaggedApi(Flags.FLAG_GET_APP_BYTES_BY_DATA_TYPE_API)
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public static final int APP_DATA_TYPE_FILE_TYPE_CURRENT_PROFILE = 2;
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/**
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* Represents all .apk files in application code path.
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* Can be used as an input to {@link #getAppBytesByDataType(int)}
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* to get the sum of sizes for files of this type.
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*/
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@FlaggedApi(Flags.FLAG_GET_APP_BYTES_BY_DATA_TYPE_API)
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public static final int APP_DATA_TYPE_FILE_TYPE_APK = 3;
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/**
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* Represents all .dm files in application code path.
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* Can be used as an input to {@link #getAppBytesByDataType(int)}
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* to get the sum of sizes for files of this type.
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*/
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@FlaggedApi(Flags.FLAG_GET_APP_BYTES_BY_DATA_TYPE_API)
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public static final int APP_DATA_TYPE_FILE_TYPE_DM = 4;
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/**
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* Represents lib/ in application code path.
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* Can be used as an input to {@link #getAppBytesByDataType(int)}
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* to get the size of lib/ directory.
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*/
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@FlaggedApi(Flags.FLAG_GET_APP_BYTES_BY_DATA_TYPE_API)
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public static final int APP_DATA_TYPE_LIB = 5;
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/**
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* Keep in sync with the file types defined above.
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* @hide
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*/
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@FlaggedApi(Flags.FLAG_GET_APP_BYTES_BY_DATA_TYPE_API)
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@IntDef(flag = false, value = {
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APP_DATA_TYPE_FILE_TYPE_DEXOPT_ARTIFACT,
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APP_DATA_TYPE_FILE_TYPE_REFERENCE_PROFILE,
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APP_DATA_TYPE_FILE_TYPE_CURRENT_PROFILE,
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APP_DATA_TYPE_FILE_TYPE_APK,
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APP_DATA_TYPE_FILE_TYPE_DM,
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APP_DATA_TYPE_LIB,
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})
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@Retention(RetentionPolicy.SOURCE)
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public @interface AppDataType {}
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/**
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* Return the size of app. This includes {@code APK} files, optimized
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* compiler output, and unpacked native libraries.
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* <p>
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* If the primary external/shared storage is hosted on this storage device,
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* then this includes files stored under {@link Context#getObbDir()}.
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* <p>
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* Code is shared between all users on a multiuser device.
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*/
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public @BytesLong long getAppBytes() {
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return codeBytes;
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}
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/**
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* Return the size of the specified data type. This includes files stored under
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* application code path.
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* <p>
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* If there is more than one package inside a uid, the return represents the aggregated
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* stats when query StorageStat for package or uid.
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* The data is not collected and the return defaults to 0 when query StorageStats for user.
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*
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* <p>
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* Data is isolated for each user on a multiuser device.
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*/
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@FlaggedApi(Flags.FLAG_GET_APP_BYTES_BY_DATA_TYPE_API)
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public long getAppBytesByDataType(@AppDataType int dataType) {
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switch (dataType) {
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case APP_DATA_TYPE_FILE_TYPE_DEXOPT_ARTIFACT: return dexoptBytes;
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case APP_DATA_TYPE_FILE_TYPE_REFERENCE_PROFILE: return refProfBytes;
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case APP_DATA_TYPE_FILE_TYPE_CURRENT_PROFILE: return curProfBytes;
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case APP_DATA_TYPE_FILE_TYPE_APK: return apkBytes;
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case APP_DATA_TYPE_LIB: return libBytes;
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case APP_DATA_TYPE_FILE_TYPE_DM: return dmBytes;
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default: return 0;
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}
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}
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/**
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* Return the size of all data. This includes files stored under
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* {@link Context#getDataDir()}, {@link Context#getCacheDir()},
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* {@link Context#getCodeCacheDir()}.
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* <p>
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* If the primary external/shared storage is hosted on this storage device,
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* then this includes files stored under
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* {@link Context#getExternalFilesDir(String)},
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* {@link Context#getExternalCacheDir()}, and
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* {@link Context#getExternalMediaDirs()}.
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* <p>
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* Data is isolated for each user on a multiuser device.
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*/
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public @BytesLong long getDataBytes() {
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return dataBytes;
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}
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/**
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* Return the size of all cached data. This includes files stored under
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* {@link Context#getCacheDir()} and {@link Context#getCodeCacheDir()}.
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* <p>
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* If the primary external/shared storage is hosted on this storage device,
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* then this includes files stored under
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* {@link Context#getExternalCacheDir()}.
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* <p>
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* Cached data is isolated for each user on a multiuser device.
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*/
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public @BytesLong long getCacheBytes() {
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return cacheBytes;
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}
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/**
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* Return the size of all cached data in the primary external/shared storage.
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* This includes files stored under
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* {@link Context#getExternalCacheDir()}.
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* <p>
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* Cached data is isolated for each user on a multiuser device.
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*/
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public @BytesLong long getExternalCacheBytes() {
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return externalCacheBytes;
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}
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/** {@hide} */
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public StorageStats() {
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}
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/** {@hide} */
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public StorageStats(Parcel in) {
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this.codeBytes = in.readLong();
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this.dataBytes = in.readLong();
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this.cacheBytes = in.readLong();
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this.dexoptBytes = in.readLong();
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this.refProfBytes = in.readLong();
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this.curProfBytes = in.readLong();
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this.apkBytes = in.readLong();
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this.libBytes = in.readLong();
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this.dmBytes = in.readLong();
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this.externalCacheBytes = in.readLong();
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}
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@Override
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public int describeContents() {
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return 0;
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}
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@Override
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public void writeToParcel(Parcel dest, int flags) {
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dest.writeLong(codeBytes);
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dest.writeLong(dataBytes);
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dest.writeLong(cacheBytes);
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dest.writeLong(dexoptBytes);
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dest.writeLong(refProfBytes);
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dest.writeLong(curProfBytes);
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dest.writeLong(apkBytes);
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dest.writeLong(libBytes);
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dest.writeLong(dmBytes);
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dest.writeLong(externalCacheBytes);
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}
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public static final @android.annotation.NonNull Creator<StorageStats> CREATOR = new Creator<StorageStats>() {
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@Override
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public StorageStats createFromParcel(Parcel in) {
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return new StorageStats(in);
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}
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@Override
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public StorageStats[] newArray(int size) {
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return new StorageStats[size];
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}
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};
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}
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