Merge "In place split install native support" into pi-dev

This commit is contained in:
android-build-team Robot
2018-05-03 16:38:54 +00:00
committed by Android (Google) Code Review
5 changed files with 98 additions and 7 deletions

View File

@@ -3709,6 +3709,7 @@ Ldalvik/system/DexPathList$NativeLibraryElement;-><init>(Ljava/io/File;)V
Ldalvik/system/DexPathList$NativeLibraryElement;->path:Ljava/io/File;
Ldalvik/system/DexPathList;-><init>(Ljava/lang/ClassLoader;Ljava/lang/String;Ljava/lang/String;Ljava/io/File;)V
Ldalvik/system/DexPathList;->addDexPath(Ljava/lang/String;Ljava/io/File;)V
Ldalvik/system/DexPathList;->addNativePath(Ljava/util/Collection;)V
Ldalvik/system/DexPathList;->definingContext:Ljava/lang/ClassLoader;
Ldalvik/system/DexPathList;->dexElements:[Ldalvik/system/DexPathList$Element;
Ldalvik/system/DexPathList;->loadDexFile(Ljava/io/File;Ljava/io/File;Ljava/lang/ClassLoader;[Ldalvik/system/DexPathList$Element;)Ldalvik/system/DexFile;

View File

@@ -25,6 +25,8 @@ import com.android.internal.os.ClassLoaderFactory;
import dalvik.system.PathClassLoader;
import java.util.Collection;
/** @hide */
public class ApplicationLoaders {
public static ApplicationLoaders getDefault() {
@@ -121,6 +123,17 @@ public class ApplicationLoaders {
baseDexClassLoader.addDexPath(dexPath);
}
/**
* @hide
*/
void addNative(ClassLoader classLoader, Collection<String> libPaths) {
if (!(classLoader instanceof PathClassLoader)) {
throw new IllegalStateException("class loader is not a PathClassLoader");
}
final PathClassLoader baseDexClassLoader = (PathClassLoader) classLoader;
baseDexClassLoader.addNativePath(libPaths);
}
private final ArrayMap<String, ClassLoader> mLoaders = new ArrayMap<>();
private static final ApplicationLoaders gApplicationLoaders = new ApplicationLoaders();

View File

@@ -90,6 +90,7 @@ final class ServiceConnectionLeaked extends AndroidRuntimeException {
public final class LoadedApk {
static final String TAG = "LoadedApk";
static final boolean DEBUG = false;
private static final String PROPERTY_NAME_APPEND_NATIVE = "pi.append_native_lib_paths";
private final ActivityThread mActivityThread;
final String mPackageName;
@@ -723,6 +724,10 @@ public final class LoadedApk {
needToSetupJitProfiles = true;
}
if (!libPaths.isEmpty() && SystemProperties.getBoolean(PROPERTY_NAME_APPEND_NATIVE, true)) {
ApplicationLoaders.getDefault().addNative(mClassLoader, libPaths);
}
if (addedPaths != null && addedPaths.size() > 0) {
final String add = TextUtils.join(File.pathSeparator, addedPaths);
ApplicationLoaders.getDefault().addPath(mClassLoader, add);

View File

@@ -282,7 +282,10 @@ public class NativeLibraryHelper {
}
}
private static void createNativeLibrarySubdir(File path) throws IOException {
/**
* @hide
*/
public static void createNativeLibrarySubdir(File path) throws IOException {
if (!path.isDirectory()) {
path.delete();

View File

@@ -17,7 +17,6 @@
package com.android.server.pm;
import static android.content.pm.PackageManager.INSTALL_FAILED_ABORTED;
import static android.content.pm.PackageManager.INSTALL_FAILED_BAD_DEX_METADATA;
import static android.content.pm.PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
@@ -74,6 +73,7 @@ import android.os.ParcelableException;
import android.os.Process;
import android.os.RemoteException;
import android.os.RevocableFileDescriptor;
import android.os.SystemProperties;
import android.os.UserHandle;
import android.os.storage.StorageManager;
import android.system.ErrnoException;
@@ -111,9 +111,9 @@ import java.io.FileDescriptor;
import java.io.FileFilter;
import java.io.FileOutputStream;
import java.io.IOException;
import java.security.cert.CertificateException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
@@ -154,6 +154,8 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
private static final String ATTR_NAME = "name";
private static final String ATTR_INSTALL_REASON = "installRason";
private static final String PROPERTY_NAME_INHERIT_NATIVE = "pi.inherit_native_on_dont_kill";
// TODO: enforce INSTALL_ALLOW_TEST
// TODO: enforce INSTALL_ALLOW_DOWNGRADE
@@ -255,6 +257,8 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
@GuardedBy("mLock")
private final List<String> mResolvedInstructionSets = new ArrayList<>();
@GuardedBy("mLock")
private final List<String> mResolvedNativeLibPaths = new ArrayList<>();
@GuardedBy("mLock")
private File mInheritedFilesBase;
private static final FileFilter sAddedFilter = new FileFilter() {
@@ -971,6 +975,26 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
final File oatDir = new File(toDir, "oat");
createOatDirs(mResolvedInstructionSets, oatDir);
}
// pre-create lib dirs for linking if necessary
if (!mResolvedNativeLibPaths.isEmpty()) {
for (String libPath : mResolvedNativeLibPaths) {
// "/lib/arm64" -> ["lib", "arm64"]
final int splitIndex = libPath.lastIndexOf('/');
if (splitIndex < 0 || splitIndex >= libPath.length() - 1) {
Slog.e(TAG, "Skipping native library creation for linking due to "
+ "invalid path: " + libPath);
continue;
}
final String libDirPath = libPath.substring(1, splitIndex);
final File libDir = new File(toDir, libDirPath);
if (!libDir.exists()) {
NativeLibraryHelper.createNativeLibrarySubdir(libDir);
}
final String archDirPath = libPath.substring(splitIndex + 1);
NativeLibraryHelper.createNativeLibrarySubdir(
new File(libDir, archDirPath));
}
}
linkFiles(fromFiles, toDir, mInheritedFilesBase);
} else {
// TODO: this should delegate to DCS so the system process
@@ -988,7 +1012,7 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
computeProgressLocked(true);
// Unpack native libraries
extractNativeLibraries(mResolvedStageDir, params.abiOverride);
extractNativeLibraries(mResolvedStageDir, params.abiOverride, mayInheritNativeLibs());
// We've reached point of no return; call into PMS to install the stage.
// Regardless of success or failure we always destroy session.
@@ -1027,6 +1051,17 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
}
}
/**
* Returns true if the session should attempt to inherit any existing native libraries already
* extracted at the current install location. This is necessary to prevent double loading of
* native libraries already loaded by the running app.
*/
private boolean mayInheritNativeLibs() {
return SystemProperties.getBoolean(PROPERTY_NAME_INHERIT_NATIVE, true) &&
params.mode == SessionParams.MODE_INHERIT_EXISTING &&
(params.installFlags & PackageManager.DONT_KILL_APP) != 0;
}
/**
* Validate install by confirming that all application packages are have
* consistent package name, version code, and signing certificates.
@@ -1249,6 +1284,38 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
}
}
}
// Inherit native libraries for DONT_KILL sessions.
if (mayInheritNativeLibs() && removeSplitList.isEmpty()) {
File[] libDirs = new File[]{
new File(packageInstallDir, NativeLibraryHelper.LIB_DIR_NAME),
new File(packageInstallDir, NativeLibraryHelper.LIB64_DIR_NAME)};
for (File libDir : libDirs) {
if (!libDir.exists() || !libDir.isDirectory()) {
continue;
}
final List<File> libDirsToInherit = new LinkedList<>();
for (File archSubDir : libDir.listFiles()) {
if (!archSubDir.isDirectory()) {
continue;
}
String relLibPath;
try {
relLibPath = getRelativePath(archSubDir, packageInstallDir);
} catch (IOException e) {
Slog.e(TAG, "Skipping linking of native library directory!", e);
// shouldn't be possible, but let's avoid inheriting these to be safe
libDirsToInherit.clear();
break;
}
if (!mResolvedNativeLibPaths.contains(relLibPath)) {
mResolvedNativeLibPaths.add(relLibPath);
}
libDirsToInherit.addAll(Arrays.asList(archSubDir.listFiles()));
}
mResolvedInheritedFiles.addAll(libDirsToInherit);
}
}
}
}
@@ -1374,11 +1441,13 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
Slog.d(TAG, "Copied " + fromFiles.size() + " files into " + toDir);
}
private static void extractNativeLibraries(File packageDir, String abiOverride)
private static void extractNativeLibraries(File packageDir, String abiOverride, boolean inherit)
throws PackageManagerException {
// Always start from a clean slate
final File libDir = new File(packageDir, NativeLibraryHelper.LIB_DIR_NAME);
NativeLibraryHelper.removeNativeBinariesFromDirLI(libDir, true);
if (!inherit) {
// Start from a clean slate
NativeLibraryHelper.removeNativeBinariesFromDirLI(libDir, true);
}
NativeLibraryHelper.Handle handle = null;
try {