| /* |
| * Copyright (C) 2016 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.Installer.DEXOPT_OTA; |
| import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; |
| import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; |
| import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; |
| |
| import android.content.Context; |
| import android.content.pm.IOtaDexopt; |
| import android.content.pm.PackageParser; |
| import android.os.Environment; |
| import android.os.RemoteException; |
| import android.os.ResultReceiver; |
| import android.os.ServiceManager; |
| import android.os.storage.StorageManager; |
| import android.util.Log; |
| import android.util.Slog; |
| |
| import com.android.internal.os.InstallerConnection; |
| import com.android.internal.os.InstallerConnection.InstallerException; |
| |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * A service for A/B OTA dexopting. |
| * |
| * {@hide} |
| */ |
| public class OtaDexoptService extends IOtaDexopt.Stub { |
| private final static String TAG = "OTADexopt"; |
| private final static boolean DEBUG_DEXOPT = true; |
| |
| private final Context mContext; |
| private final PackageManagerService mPackageManagerService; |
| |
| // TODO: Evaluate the need for WeakReferences here. |
| |
| /** |
| * The list of packages to dexopt. |
| */ |
| private List<PackageParser.Package> mDexoptPackages; |
| |
| /** |
| * The list of dexopt invocations for the current package (which will no longer be in |
| * mDexoptPackages). This can be more than one as a package may have multiple code paths, |
| * e.g., in the split-APK case. |
| */ |
| private List<String> mCommandsForCurrentPackage; |
| |
| private int completeSize; |
| |
| public OtaDexoptService(Context context, PackageManagerService packageManagerService) { |
| this.mContext = context; |
| this.mPackageManagerService = packageManagerService; |
| |
| // Now it's time to check whether we need to move any A/B artifacts. |
| moveAbArtifacts(packageManagerService.mInstaller); |
| } |
| |
| public static OtaDexoptService main(Context context, |
| PackageManagerService packageManagerService) { |
| OtaDexoptService ota = new OtaDexoptService(context, packageManagerService); |
| ServiceManager.addService("otadexopt", ota); |
| |
| return ota; |
| } |
| |
| @Override |
| public void onShellCommand(FileDescriptor in, FileDescriptor out, FileDescriptor err, |
| String[] args, ResultReceiver resultReceiver) throws RemoteException { |
| (new OtaDexoptShellCommand(this)).exec( |
| this, in, out, err, args, resultReceiver); |
| } |
| |
| @Override |
| public synchronized void prepare() throws RemoteException { |
| if (mDexoptPackages != null) { |
| throw new IllegalStateException("already called prepare()"); |
| } |
| synchronized (mPackageManagerService.mPackages) { |
| mDexoptPackages = PackageManagerServiceUtils.getPackagesForDexopt( |
| mPackageManagerService.mPackages.values(), mPackageManagerService); |
| } |
| completeSize = mDexoptPackages.size(); |
| mCommandsForCurrentPackage = null; |
| } |
| |
| @Override |
| public synchronized void cleanup() throws RemoteException { |
| if (DEBUG_DEXOPT) { |
| Log.i(TAG, "Cleaning up OTA Dexopt state."); |
| } |
| mDexoptPackages = null; |
| mCommandsForCurrentPackage = null; |
| } |
| |
| @Override |
| public synchronized boolean isDone() throws RemoteException { |
| if (mDexoptPackages == null) { |
| throw new IllegalStateException("done() called before prepare()"); |
| } |
| |
| return mDexoptPackages.isEmpty() && (mCommandsForCurrentPackage == null); |
| } |
| |
| @Override |
| public synchronized float getProgress() throws RemoteException { |
| // We approximate by number of packages here. We could track all compiles, if we |
| // generated them ahead of time. Right now we're trying to conserve memory. |
| if (completeSize == 0) { |
| return 1f; |
| } |
| int packagesLeft = mDexoptPackages.size() + (mCommandsForCurrentPackage != null ? 1 : 0); |
| return (completeSize - packagesLeft) / ((float)completeSize); |
| } |
| |
| /** |
| * Return the next dexopt command for the current package. Enforces the invariant |
| */ |
| private String getNextPackageDexopt() { |
| if (mCommandsForCurrentPackage != null) { |
| String next = mCommandsForCurrentPackage.remove(0); |
| if (mCommandsForCurrentPackage.isEmpty()) { |
| mCommandsForCurrentPackage = null; |
| } |
| return next; |
| } |
| return null; |
| } |
| |
| @Override |
| public synchronized String nextDexoptCommand() throws RemoteException { |
| if (mDexoptPackages == null) { |
| throw new IllegalStateException("dexoptNextPackage() called before prepare()"); |
| } |
| |
| // Get the next command. |
| for (;;) { |
| // Check whether there's one for the current package. |
| String next = getNextPackageDexopt(); |
| if (next != null) { |
| return next; |
| } |
| |
| // Move to the next package, if possible. |
| if (mDexoptPackages.isEmpty()) { |
| return "Nothing to do"; |
| } |
| |
| PackageParser.Package nextPackage = mDexoptPackages.remove(0); |
| |
| if (DEBUG_DEXOPT) { |
| Log.i(TAG, "Processing " + nextPackage.packageName + " for OTA dexopt."); |
| } |
| |
| // Generate the next mPackageDexopts state. Ignore errors, this loop is strongly |
| // monotonically increasing, anyways. |
| generatePackageDexopts(nextPackage); |
| |
| // Invariant check: mPackageDexopts is null or not empty. |
| if (mCommandsForCurrentPackage != null && mCommandsForCurrentPackage.isEmpty()) { |
| cleanup(); |
| throw new IllegalStateException("mPackageDexopts empty for " + nextPackage); |
| } |
| } |
| } |
| |
| /** |
| * Generate all dexopt commands for the given package and place them into mPackageDexopts. |
| * Returns true on success, false in an error situation like low disk space. |
| */ |
| private synchronized boolean generatePackageDexopts(PackageParser.Package nextPackage) { |
| // Check for low space. |
| // TODO: If apps are not installed in the internal /data partition, we should compare |
| // against that storage's free capacity. |
| File dataDir = Environment.getDataDirectory(); |
| @SuppressWarnings("deprecation") |
| long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); |
| if (lowThreshold == 0) { |
| throw new IllegalStateException("Invalid low memory threshold"); |
| } |
| long usableSpace = dataDir.getUsableSpace(); |
| if (usableSpace < lowThreshold) { |
| Log.w(TAG, "Not running dexopt on " + nextPackage.packageName + " due to low memory: " + |
| usableSpace); |
| return false; |
| } |
| |
| // Use our custom connection that just collects the commands. |
| RecordingInstallerConnection collectingConnection = new RecordingInstallerConnection(); |
| Installer collectingInstaller = new Installer(mContext, collectingConnection); |
| |
| // Use the package manager install and install lock here for the OTA dex optimizer. |
| PackageDexOptimizer optimizer = new OTADexoptPackageDexOptimizer( |
| collectingInstaller, mPackageManagerService.mInstallLock, mContext); |
| optimizer.performDexOpt(nextPackage, nextPackage.usesLibraryFiles, |
| null /* ISAs */, false /* checkProfiles */, |
| getCompilerFilterForReason(PackageManagerService.REASON_AB_OTA)); |
| |
| mCommandsForCurrentPackage = collectingConnection.commands; |
| if (mCommandsForCurrentPackage.isEmpty()) { |
| mCommandsForCurrentPackage = null; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public synchronized void dexoptNextPackage() throws RemoteException { |
| if (mDexoptPackages == null) { |
| throw new IllegalStateException("dexoptNextPackage() called before prepare()"); |
| } |
| if (mDexoptPackages.isEmpty()) { |
| // Tolerate repeated calls. |
| return; |
| } |
| |
| PackageParser.Package nextPackage = mDexoptPackages.remove(0); |
| |
| if (DEBUG_DEXOPT) { |
| Log.i(TAG, "Processing " + nextPackage.packageName + " for OTA dexopt."); |
| } |
| |
| // Check for low space. |
| // TODO: If apps are not installed in the internal /data partition, we should compare |
| // against that storage's free capacity. |
| File dataDir = Environment.getDataDirectory(); |
| @SuppressWarnings("deprecation") |
| long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); |
| if (lowThreshold == 0) { |
| throw new IllegalStateException("Invalid low memory threshold"); |
| } |
| long usableSpace = dataDir.getUsableSpace(); |
| if (usableSpace < lowThreshold) { |
| Log.w(TAG, "Not running dexopt on " + nextPackage.packageName + " due to low memory: " + |
| usableSpace); |
| return; |
| } |
| |
| PackageDexOptimizer optimizer = new OTADexoptPackageDexOptimizer( |
| mPackageManagerService.mInstaller, mPackageManagerService.mInstallLock, mContext); |
| optimizer.performDexOpt(nextPackage, nextPackage.usesLibraryFiles, null /* ISAs */, |
| false /* checkProfiles */, |
| getCompilerFilterForReason(PackageManagerService.REASON_AB_OTA)); |
| } |
| |
| private void moveAbArtifacts(Installer installer) { |
| if (mDexoptPackages != null) { |
| throw new IllegalStateException("Should not be ota-dexopting when trying to move."); |
| } |
| |
| // Look into all packages. |
| Collection<PackageParser.Package> pkgs = mPackageManagerService.getPackages(); |
| for (PackageParser.Package pkg : pkgs) { |
| if (pkg == null) { |
| continue; |
| } |
| |
| // Does the package have code? If not, there won't be any artifacts. |
| if (!PackageDexOptimizer.canOptimizePackage(pkg)) { |
| continue; |
| } |
| if (pkg.codePath == null) { |
| Slog.w(TAG, "Package " + pkg + " can be optimized but has null codePath"); |
| continue; |
| } |
| |
| // If the path is in /system or /vendor, ignore. It will have been ota-dexopted into |
| // /data/ota and moved into the dalvik-cache already. |
| if (pkg.codePath.startsWith("/system") || pkg.codePath.startsWith("/vendor")) { |
| continue; |
| } |
| |
| final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); |
| final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); |
| final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); |
| for (String dexCodeInstructionSet : dexCodeInstructionSets) { |
| for (String path : paths) { |
| String oatDir = PackageDexOptimizer.getOatDir(new File(pkg.codePath)). |
| getAbsolutePath(); |
| |
| // TODO: Check first whether there is an artifact, to save the roundtrip time. |
| |
| try { |
| installer.moveAb(path, dexCodeInstructionSet, oatDir); |
| } catch (InstallerException e) { |
| } |
| } |
| } |
| } |
| } |
| |
| private static class OTADexoptPackageDexOptimizer extends |
| PackageDexOptimizer.ForcedUpdatePackageDexOptimizer { |
| |
| public OTADexoptPackageDexOptimizer(Installer installer, Object installLock, |
| Context context) { |
| super(installer, installLock, context, "*otadexopt*"); |
| } |
| |
| @Override |
| protected int adjustDexoptFlags(int dexoptFlags) { |
| // Add the OTA flag. |
| return dexoptFlags | DEXOPT_OTA; |
| } |
| |
| } |
| |
| private static class RecordingInstallerConnection extends InstallerConnection { |
| public List<String> commands = new ArrayList<String>(1); |
| |
| @Override |
| public void setWarnIfHeld(Object warnIfHeld) { |
| throw new IllegalStateException("Should not reach here"); |
| } |
| |
| @Override |
| public synchronized String transact(String cmd) { |
| commands.add(cmd); |
| return "0"; |
| } |
| |
| @Override |
| public boolean mergeProfiles(int uid, String pkgName) throws InstallerException { |
| throw new IllegalStateException("Should not reach here"); |
| } |
| |
| @Override |
| public boolean dumpProfiles(String gid, String packageName, String codePaths) |
| throws InstallerException { |
| throw new IllegalStateException("Should not reach here"); |
| } |
| |
| @Override |
| public void disconnect() { |
| throw new IllegalStateException("Should not reach here"); |
| } |
| |
| @Override |
| public void waitForConnection() { |
| throw new IllegalStateException("Should not reach here"); |
| } |
| } |
| } |