Reduce ways UidState objects are created (f5965c01) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/appop/AppOpsService.java

+72 −55

Original line number	Diff line number	Diff line
		@@ -230,6 +230,14 @@ public class AppOpsService extends IAppOpsService.Stub {
		private static final int MAX_UNUSED_POOLED_OBJECTS = 3;
		private static final int RARELY_USED_PACKAGES_INITIALIZATION_DELAY_MILLIS = 300000;

		/* Temporary solution before Uidstate class is removed. These uids get their modes set. */
		private static final int[] NON_PACKAGE_UIDS = new int[]{
		Process.PHONE_UID,
		Process.BLUETOOTH_UID,
		Process.NFC_UID,
		Process.NETWORK_STACK_UID,
		Process.SHELL_UID};

		final Context mContext;
		final AtomicFile mStorageFile;
		final AtomicFile mRecentAccessesFile;
		@@ -1057,7 +1065,7 @@ public class AppOpsService extends IAppOpsService.Stub {
		UidState uidState = mUidStates.valueAt(uidNum);

		String[] pkgsInUid = getPackagesForUid(uidState.uid);
		if (ArrayUtils.isEmpty(pkgsInUid)) {
		if (ArrayUtils.isEmpty(pkgsInUid) && uid >= Process.FIRST_APPLICATION_UID) {
		uidState.clear();
		mUidStates.removeAt(uidNum);
		scheduleFastWriteLocked();
		@@ -1086,51 +1094,7 @@ public class AppOpsService extends IAppOpsService.Stub {
		}
		}

		getUserManagerInternal().addUserLifecycleListener(
		new UserManagerInternal.UserLifecycleListener() {
		@Override
		public void onUserCreated(UserInfo user, Object token) {
		initializeUserUidStates(user.id);
		}

		// onUserRemoved handled by #removeUser
		});

		getPackageManagerInternal().getPackageList(
		new PackageManagerInternal.PackageListObserver() {
		@Override
		public void onPackageAdded(String packageName, int appId) {
		PackageInfo pi = getPackageManagerInternal().getPackageInfo(packageName,
		PackageManager.GET_PERMISSIONS, Process.myUid(),
		mContext.getUserId());
		boolean isSamplingTarget = isSamplingTarget(pi);
		int[] userIds = getUserManagerInternal().getUserIds();
		synchronized (AppOpsService.this) {
		if (isSamplingTarget) {
		mRarelyUsedPackages.add(packageName);
		}
		for (int i = 0; i < userIds.length; i++) {
		int uid = UserHandle.getUid(userIds[i], appId);
		UidState uidState = getUidStateLocked(uid, true);
		if (!uidState.pkgOps.containsKey(packageName)) {
		uidState.pkgOps.put(packageName,
		new Ops(packageName, uidState));
		}
		}
		}
		}

		@Override
		public void onPackageRemoved(String packageName, int appId) {
		int[] userIds = getUserManagerInternal().getUserIds();
		synchronized (AppOpsService.this) {
		for (int i = 0; i < userIds.length; i++) {
		int uid = UserHandle.getUid(userIds[i], appId);
		packageRemovedLocked(uid, packageName);
		}
		}
		}
		});
		prepareInternalCallbacks();

		final IntentFilter packageSuspendFilter = new IntentFilter();
		packageSuspendFilter.addAction(Intent.ACTION_PACKAGES_UNSUSPENDED);
		@@ -1189,6 +1153,55 @@ public class AppOpsService extends IAppOpsService.Stub {
		mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
		}

		@VisibleForTesting
		void prepareInternalCallbacks() {
		getUserManagerInternal().addUserLifecycleListener(
		new UserManagerInternal.UserLifecycleListener() {
		@Override
		public void onUserCreated(UserInfo user, Object token) {
		initializeUserUidStates(user.id);
		}

		// onUserRemoved handled by #removeUser
		});

		getPackageManagerInternal().getPackageList(
		new PackageManagerInternal.PackageListObserver() {
		@Override
		public void onPackageAdded(String packageName, int appId) {
		PackageInfo pi = getPackageManagerInternal().getPackageInfo(packageName,
		PackageManager.GET_PERMISSIONS, Process.myUid(),
		mContext.getUserId());
		boolean isSamplingTarget = isSamplingTarget(pi);
		int[] userIds = getUserManagerInternal().getUserIds();
		synchronized (AppOpsService.this) {
		if (isSamplingTarget) {
		mRarelyUsedPackages.add(packageName);
		}
		for (int i = 0; i < userIds.length; i++) {
		int uid = UserHandle.getUid(userIds[i], appId);
		UidState uidState = getUidStateLocked(uid, true);
		if (!uidState.pkgOps.containsKey(packageName)) {
		uidState.pkgOps.put(packageName,
		new Ops(packageName, uidState));
		}
		}
		}
		}

		@Override
		public void onPackageRemoved(String packageName, int appId) {
		int[] userIds = getUserManagerInternal().getUserIds();
		synchronized (AppOpsService.this) {
		for (int i = 0; i < userIds.length; i++) {
		int uid = UserHandle.getUid(userIds[i], appId);
		packageRemovedLocked(uid, packageName);
		}
		}
		}
		});
		}

		/**
		* Initialize uid state objects for state contained in the checking service.
		*/
		@@ -1205,6 +1218,10 @@ public class AppOpsService extends IAppOpsService.Stub {
		initializeUserUidStatesLocked(userId, packageStates);
		}
		}

		for (int uid : NON_PACKAGE_UIDS) {
		mUidStates.put(uid, new UidState(uid));
		}
		}
		}

		@@ -1323,7 +1340,7 @@ public class AppOpsService extends IAppOpsService.Stub {
		// The callback method from AppOpsUidStateTracker
		private void onUidStateChanged(int uid, int state, boolean foregroundModeMayChange) {
		synchronized (this) {
		UidState uidState = getUidStateLocked(uid, true);
		UidState uidState = getUidStateLocked(uid, false);

		if (uidState != null && foregroundModeMayChange && uidState.hasForegroundWatchers) {
		for (int fgi = uidState.foregroundOps.size() - 1; fgi >= 0; fgi--) {
		@@ -1396,12 +1413,6 @@ public class AppOpsService extends IAppOpsService.Stub {
		@ActivityManager.ProcessCapability int capability) {
		synchronized (this) {
		getUidStateTracker().updateUidProcState(uid, procState, capability);
		if (!mUidStates.contains(uid)) {
		UidState uidState = new UidState(uid);
		mUidStates.put(uid, uidState);
		onUidStateChanged(uid,
		AppOpsUidStateTracker.processStateToUidState(procState), false);
		}
		}
		}

		@@ -1536,7 +1547,7 @@ public class AppOpsService extends IAppOpsService.Stub {
		return null;
		}
		ArrayList<AppOpsManager.OpEntry> resOps = collectOps(pkgOps, ops);
		if (resOps == null) {
		if (resOps == null \|\| resOps.size() == 0) {
		return null;
		}
		ArrayList<AppOpsManager.PackageOps> res = new ArrayList<AppOpsManager.PackageOps>();
		@@ -1792,6 +1803,12 @@ public class AppOpsService extends IAppOpsService.Stub {
		if (mode == defaultMode) {
		return;
		}
		if (uid >= Process.FIRST_APPLICATION_UID) {
		// TODO change to a throw; no crashing for now.
		Slog.e(TAG, "Trying to set mode for unknown uid " + uid + ".");
		}
		// I suppose we'll support setting these uids. Shouldn't matter later when UidState
		// is removed.
		uidState = new UidState(uid);
		mUidStates.put(uid, uidState);
		}
		@@ -3908,7 +3925,7 @@ public class AppOpsService extends IAppOpsService.Stub {
		*/
		private Ops getOpsLocked(int uid, String packageName, @Nullable String attributionTag,
		boolean isAttributionTagValid, @Nullable RestrictionBypass bypass, boolean edit) {
		UidState uidState = getUidStateLocked(uid, edit);
		UidState uidState = getUidStateLocked(uid, false);
		if (uidState == null) {
		return null;
		}

services/tests/mockingservicestests/src/com/android/server/appop/AppOpsServiceTest.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -23,6 +23,7 @@ import static android.app.AppOpsManager.OP_FLAG_SELF;
		import static android.app.AppOpsManager.OP_READ_SMS;
		import static android.app.AppOpsManager.OP_WIFI_SCAN;
		import static android.app.AppOpsManager.OP_WRITE_SMS;
		import static android.os.UserHandle.getAppId;
		import static android.os.UserHandle.getUserId;

		import static com.android.dx.mockito.inline.extended.ExtendedMockito.doNothing;
		@@ -108,6 +109,7 @@ public class AppOpsServiceTest {
		mAppOpsService = new AppOpsService(mRecentAccessesFile, mStorageFile, mHandler,
		spy(sContext));
		mAppOpsService.mHistoricalRegistry.systemReady(sContext.getContentResolver());
		mAppOpsService.prepareInternalCallbacks();

		// Always approve all permission checks
		doNothing().when(mAppOpsService.mContext).enforcePermission(anyString(), anyInt(),
		@@ -184,6 +186,16 @@ public class AppOpsServiceTest {
		// Mock behavior to use specific Settings.Global.APPOP_HISTORY_PARAMETERS
		doReturn(null).when(() -> Settings.Global.getString(any(ContentResolver.class),
		eq(Settings.Global.APPOP_HISTORY_PARAMETERS)));

		prepareInstallInvocation(mockPackageManagerInternal);
		}

		private void prepareInstallInvocation(PackageManagerInternal mockPackageManagerInternal) {
		when(mockPackageManagerInternal.getPackageList(any())).thenAnswer(invocation -> {
		PackageManagerInternal.PackageListObserver observer = invocation.getArgument(0);
		observer.onPackageAdded(sMyPackageName, getAppId(mMyUid));
		return null;
		});
		}

		@Test