| /* |
| * Copyright (C) 2015 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 android.annotation.Nullable; |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageParser; |
| import android.content.pm.PackageParser.Package; |
| import android.os.Environment; |
| import android.os.PowerManager; |
| import android.os.UserHandle; |
| import android.os.WorkSource; |
| import android.os.storage.StorageManager; |
| import android.util.ArraySet; |
| import android.util.Log; |
| import android.util.Slog; |
| |
| import com.android.internal.os.InstallerConnection.InstallerException; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import dalvik.system.DexFile; |
| |
| import static com.android.server.pm.Installer.DEXOPT_BOOTCOMPLETE; |
| import static com.android.server.pm.Installer.DEXOPT_DEBUGGABLE; |
| import static com.android.server.pm.Installer.DEXOPT_PUBLIC; |
| import static com.android.server.pm.Installer.DEXOPT_SAFEMODE; |
| import static com.android.server.pm.Installer.DEXOPT_EXTRACTONLY; |
| import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; |
| import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; |
| |
| /** |
| * Helper class for running dexopt command on packages. |
| */ |
| class PackageDexOptimizer { |
| private static final String TAG = "PackageManager.DexOptimizer"; |
| static final String OAT_DIR_NAME = "oat"; |
| // TODO b/19550105 Remove error codes and use exceptions |
| static final int DEX_OPT_SKIPPED = 0; |
| static final int DEX_OPT_PERFORMED = 1; |
| static final int DEX_OPT_DEFERRED = 2; |
| static final int DEX_OPT_FAILED = -1; |
| |
| private static final boolean DEBUG_DEXOPT = PackageManagerService.DEBUG_DEXOPT; |
| |
| private final Installer mInstaller; |
| private final Object mInstallLock; |
| |
| private final PowerManager.WakeLock mDexoptWakeLock; |
| private volatile boolean mSystemReady; |
| |
| PackageDexOptimizer(Installer installer, Object installLock, Context context, |
| String wakeLockTag) { |
| this.mInstaller = installer; |
| this.mInstallLock = installLock; |
| |
| PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); |
| mDexoptWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, wakeLockTag); |
| } |
| |
| protected PackageDexOptimizer(PackageDexOptimizer from) { |
| this.mInstaller = from.mInstaller; |
| this.mInstallLock = from.mInstallLock; |
| this.mDexoptWakeLock = from.mDexoptWakeLock; |
| this.mSystemReady = from.mSystemReady; |
| } |
| |
| static boolean canOptimizePackage(PackageParser.Package pkg) { |
| return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; |
| } |
| |
| /** |
| * Performs dexopt on all code paths and libraries of the specified package for specified |
| * instruction sets. |
| * |
| * <p>Calls to {@link com.android.server.pm.Installer#dexopt} on {@link #mInstaller} are |
| * synchronized on {@link #mInstallLock}. |
| */ |
| int performDexOpt(PackageParser.Package pkg, String[] instructionSets, boolean useProfiles, |
| boolean extractOnly) { |
| synchronized (mInstallLock) { |
| final boolean useLock = mSystemReady; |
| if (useLock) { |
| mDexoptWakeLock.setWorkSource(new WorkSource(pkg.applicationInfo.uid)); |
| mDexoptWakeLock.acquire(); |
| } |
| try { |
| return performDexOptLI(pkg, instructionSets, useProfiles, extractOnly); |
| } finally { |
| if (useLock) { |
| mDexoptWakeLock.release(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Adjust the given dexopt-needed value. Can be overridden to influence the decision to |
| * optimize or not (and in what way). |
| */ |
| protected int adjustDexoptNeeded(int dexoptNeeded) { |
| return dexoptNeeded; |
| } |
| |
| /** |
| * Adjust the given dexopt flags that will be passed to the installer. |
| */ |
| protected int adjustDexoptFlags(int dexoptFlags) { |
| return dexoptFlags; |
| } |
| |
| private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, |
| boolean useProfiles, boolean extractOnly) { |
| final String[] instructionSets = targetInstructionSets != null ? |
| targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); |
| |
| if (!canOptimizePackage(pkg)) { |
| return DEX_OPT_SKIPPED; |
| } |
| |
| final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; |
| final boolean debuggable = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; |
| |
| final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); |
| boolean performedDexOpt = false; |
| final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); |
| for (String dexCodeInstructionSet : dexCodeInstructionSets) { |
| for (String path : paths) { |
| if (useProfiles && isUsedByOtherApps(path)) { |
| // We cannot use profile guided compilation if the apk was used by another app. |
| useProfiles = false; |
| } |
| int dexoptNeeded; |
| |
| try { |
| int compilationTypeMask = 0; |
| if (extractOnly) { |
| // For extract only, any type of compilation is good. |
| compilationTypeMask = DexFile.COMPILATION_TYPE_FULL |
| | DexFile.COMPILATION_TYPE_PROFILE_GUIDE |
| | DexFile.COMPILATION_TYPE_EXTRACT_ONLY; |
| } else { |
| // Branch taken for profile guide and full compilation. |
| // Profile guide compilation should only recompile a previous |
| // profile compiled/extract only file and should not be attempted if the |
| // apk is already fully compiled. So test against a full compilation type. |
| compilationTypeMask = DexFile.COMPILATION_TYPE_FULL; |
| } |
| dexoptNeeded = DexFile.getDexOptNeeded(path, |
| dexCodeInstructionSet, compilationTypeMask); |
| } catch (IOException ioe) { |
| Slog.w(TAG, "IOException reading apk: " + path, ioe); |
| return DEX_OPT_FAILED; |
| } |
| dexoptNeeded = adjustDexoptNeeded(dexoptNeeded); |
| |
| final String dexoptType; |
| String oatDir = null; |
| switch (dexoptNeeded) { |
| case DexFile.NO_DEXOPT_NEEDED: |
| continue; |
| case DexFile.DEX2OAT_NEEDED: |
| dexoptType = "dex2oat"; |
| oatDir = createOatDirIfSupported(pkg, dexCodeInstructionSet); |
| break; |
| case DexFile.PATCHOAT_NEEDED: |
| dexoptType = "patchoat"; |
| break; |
| case DexFile.SELF_PATCHOAT_NEEDED: |
| dexoptType = "self patchoat"; |
| break; |
| default: |
| throw new IllegalStateException("Invalid dexopt:" + dexoptNeeded); |
| } |
| |
| Log.i(TAG, "Running dexopt (" + dexoptType + ") on: " + path + " pkg=" |
| + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet |
| + " vmSafeMode=" + vmSafeMode + " debuggable=" + debuggable |
| + " extractOnly=" + extractOnly + " oatDir = " + oatDir); |
| final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); |
| // Profile guide compiled oat files should not be public. |
| final boolean isPublic = !pkg.isForwardLocked() && !useProfiles; |
| final int dexFlags = adjustDexoptFlags( |
| ( isPublic ? DEXOPT_PUBLIC : 0) |
| | (vmSafeMode ? DEXOPT_SAFEMODE : 0) |
| | (debuggable ? DEXOPT_DEBUGGABLE : 0) |
| | (extractOnly ? DEXOPT_EXTRACTONLY : 0) |
| | DEXOPT_BOOTCOMPLETE); |
| |
| try { |
| mInstaller.dexopt(path, sharedGid, pkg.packageName, dexCodeInstructionSet, |
| dexoptNeeded, oatDir, dexFlags, pkg.volumeUuid, useProfiles); |
| performedDexOpt = true; |
| } catch (InstallerException e) { |
| Slog.w(TAG, "Failed to dexopt", e); |
| } |
| } |
| } |
| |
| // If we've gotten here, we're sure that no error occurred and that we haven't |
| // deferred dex-opt. We've either dex-opted one more paths or instruction sets or |
| // we've skipped all of them because they are up to date. In both cases this |
| // package doesn't need dexopt any longer. |
| return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; |
| } |
| |
| /** |
| * Creates oat dir for the specified package. In certain cases oat directory |
| * <strong>cannot</strong> be created: |
| * <ul> |
| * <li>{@code pkg} is a system app, which is not updated.</li> |
| * <li>Package location is not a directory, i.e. monolithic install.</li> |
| * </ul> |
| * |
| * @return Absolute path to the oat directory or null, if oat directory |
| * cannot be created. |
| */ |
| @Nullable |
| private String createOatDirIfSupported(PackageParser.Package pkg, String dexInstructionSet) { |
| if (!pkg.canHaveOatDir()) { |
| return null; |
| } |
| File codePath = new File(pkg.codePath); |
| if (codePath.isDirectory()) { |
| File oatDir = getOatDir(codePath); |
| try { |
| mInstaller.createOatDir(oatDir.getAbsolutePath(), dexInstructionSet); |
| } catch (InstallerException e) { |
| Slog.w(TAG, "Failed to create oat dir", e); |
| return null; |
| } |
| return oatDir.getAbsolutePath(); |
| } |
| return null; |
| } |
| |
| static File getOatDir(File codePath) { |
| return new File(codePath, OAT_DIR_NAME); |
| } |
| |
| void systemReady() { |
| mSystemReady = true; |
| } |
| |
| private boolean isUsedByOtherApps(String apkPath) { |
| try { |
| apkPath = new File(apkPath).getCanonicalPath(); |
| } catch (IOException e) { |
| // Log an error but continue without it. |
| Slog.w(TAG, "Failed to get canonical path", e); |
| } |
| String useMarker = apkPath.replace('/', '@'); |
| final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); |
| for (int i = 0; i < currentUserIds.length; i++) { |
| File profileDir = Environment.getDataProfilesDeForeignDexDirectory(currentUserIds[i]); |
| File foreignUseMark = new File(profileDir, useMarker); |
| if (foreignUseMark.exists()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * A specialized PackageDexOptimizer that overrides already-installed checks, forcing a |
| * dexopt path. |
| */ |
| public static class ForcedUpdatePackageDexOptimizer extends PackageDexOptimizer { |
| |
| public ForcedUpdatePackageDexOptimizer(Installer installer, Object installLock, |
| Context context, String wakeLockTag) { |
| super(installer, installLock, context, wakeLockTag); |
| } |
| |
| public ForcedUpdatePackageDexOptimizer(PackageDexOptimizer from) { |
| super(from); |
| } |
| |
| @Override |
| protected int adjustDexoptNeeded(int dexoptNeeded) { |
| // Ensure compilation, no matter the current state. |
| // TODO: The return value is wrong when patchoat is needed. |
| return DexFile.DEX2OAT_NEEDED; |
| } |
| } |
| } |