| /* |
| * 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.pm; |
| |
| import static com.android.server.pm.PackageManagerService.SCAN_AS_APK_IN_APEX; |
| import static com.android.server.pm.PackageManagerService.SCAN_AS_FACTORY; |
| import static com.android.server.pm.PackageManagerService.SCAN_AS_ODM; |
| import static com.android.server.pm.PackageManagerService.SCAN_AS_OEM; |
| import static com.android.server.pm.PackageManagerService.SCAN_AS_PRODUCT; |
| import static com.android.server.pm.PackageManagerService.SCAN_AS_SYSTEM_EXT; |
| import static com.android.server.pm.PackageManagerService.SCAN_AS_VENDOR; |
| import static com.android.server.pm.PackageManagerService.SCAN_DROP_CACHE; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.content.pm.PackagePartitions; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import java.io.File; |
| |
| /** |
| * List of partitions to be scanned during system boot |
| */ |
| @VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE) |
| public class ScanPartition extends PackagePartitions.SystemPartition { |
| @PackageManagerService.ScanFlags |
| public final int scanFlag; |
| |
| @Nullable |
| public final ApexManager.ActiveApexInfo apexInfo; |
| |
| public ScanPartition(@NonNull PackagePartitions.SystemPartition partition) { |
| super(partition); |
| scanFlag = scanFlagForPartition(partition); |
| apexInfo = null; |
| } |
| |
| /** |
| * Creates a partition containing the same folders as the original partition but with a |
| * different root folder. The new partition will include the scan flags of the original |
| * partition along with any specified additional scan flags. |
| */ |
| public ScanPartition(@NonNull File folder, @NonNull ScanPartition original, |
| @Nullable ApexManager.ActiveApexInfo apexInfo) { |
| super(folder, original); |
| var scanFlags = original.scanFlag; |
| this.apexInfo = apexInfo; |
| if (apexInfo != null) { |
| scanFlags |= SCAN_AS_APK_IN_APEX; |
| if (apexInfo.isFactory) { |
| scanFlags |= SCAN_AS_FACTORY; |
| } |
| if (apexInfo.activeApexChanged) { |
| scanFlags |= SCAN_DROP_CACHE; |
| } |
| } |
| //noinspection WrongConstant |
| this.scanFlag = scanFlags; |
| } |
| |
| private static int scanFlagForPartition(PackagePartitions.SystemPartition partition) { |
| switch (partition.type) { |
| case PackagePartitions.PARTITION_SYSTEM: |
| return 0; |
| case PackagePartitions.PARTITION_VENDOR: |
| return SCAN_AS_VENDOR; |
| case PackagePartitions.PARTITION_ODM: |
| return SCAN_AS_ODM; |
| case PackagePartitions.PARTITION_OEM: |
| return SCAN_AS_OEM; |
| case PackagePartitions.PARTITION_PRODUCT: |
| return SCAN_AS_PRODUCT; |
| case PackagePartitions.PARTITION_SYSTEM_EXT: |
| return SCAN_AS_SYSTEM_EXT; |
| default: |
| throw new IllegalStateException("Unable to determine scan flag for " |
| + partition.getFolder()); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return getFolder().getAbsolutePath() + ":" + scanFlag; |
| } |
| } |