[ADI][metrics] implement metrics collection (66e2050b) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/pm/PackageInstallerSession.java

+121 −28

Original line number	Diff line number	Diff line
		@@ -456,12 +456,18 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		* assigned to this session or the default policy currently used by the system.
		*/
		private final AtomicInteger mCurrentVerificationPolicy;
		/**
		* Tracks how many times the developer verification has been retried as requested by the user.
		*/
		private AtomicInteger mDeveloperVerificationRetryCount = new AtomicInteger(0);
		/**
		* Note all calls must be done outside {@link #mLock} to prevent lock inversion.
		*/
		private final StagingManager mStagingManager;
		@NonNull
		private final DeveloperVerifierController mDeveloperVerifierController;
		private final DeveloperVerifierCallback mDeveloperVerifierCallback =
		new DeveloperVerifierCallback();

		private final InstallDependencyHelper mInstallDependencyHelper;

		@@ -1377,16 +1383,20 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {

		mMetrics = new SessionMetrics(mHandler, sessionId, userId, installerUid, params,
		createdMillis, committedMillis, committed, childSessionIds, parentSessionId,
		sessionErrorCode);
		sessionErrorCode, mInitialVerificationPolicy);

		if (shouldUseVerificationService()) {
		// Start binding to the verification service, if not bound already.
		mDeveloperVerifierController.bindToVerifierServiceIfNeeded(mPm::snapshotComputer,
		userId);
		userId, mDeveloperVerifierCallback);
		if (!TextUtils.isEmpty(params.appPackageName)) {
		// Opportunistically notify verifier about package name so no need to check results.
		mDeveloperVerifierController.notifyPackageNameAvailable(params.appPackageName,
		userId);
		}
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerificationBindStarted();
		}
		}
		}

		@@ -2734,6 +2744,14 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {

		private void onSessionVerificationFailure(int error, String msg, Bundle extras) {
		Slog.e(TAG, "Failed to verify session " + sessionId);
		// Logging of developer verification failure.
		if (extras != null && extras.containsKey(EXTRA_DEVELOPER_VERIFICATION_FAILURE_REASON)) {
		final String packageName = getPackageName();
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerificationFailed(
		extras.getInt(EXTRA_DEVELOPER_VERIFICATION_FAILURE_REASON), packageName);
		}
		}
		// Dispatch message to remove session from PackageInstallerService.
		dispatchSessionFinished(error, msg, extras);
		maybeFinishChildSessions(error, msg);
		@@ -3030,15 +3048,17 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		}
		// Send the request to the verifier and wait for its response before the rest of
		// the installation can proceed.
		final VerifierCallback verifierCallback = new VerifierCallback();
		if (!mDeveloperVerifierController.startVerificationSession(mPm::snapshotComputer,
		userId, sessionId, getPackageName(),
		stageDir == null ? Uri.EMPTY : Uri.fromFile(stageDir), signingInfo,
		declaredLibraries, mCurrentVerificationPolicy.get(),
		/* extensionParams= */ params.extensionParams,
		verifierCallback, /* retry= */ false)) {
		// A verifier is installed but cannot be connected.
		verifierCallback.onConnectionFailed();
		mDeveloperVerifierCallback, /* retry= */ false)) {
		// A verifier is installed but cannot be connected. Maybe notify user.
		mDeveloperVerifierCallback.onConnectionInfeasible();
		}
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerificationRequestSent();
		}
		} else {
		// No need to check with verifier. Proceed with the rest of the verification.
		@@ -3058,6 +3078,9 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		if ((params.installFlags & PackageManager.INSTALL_FROM_ADB) != 0) {
		// adb installs are exempted from verification unless explicitly requested
		if (!params.forceVerification) {
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerificationBypassedByAdb();
		}
		return false;
		}
		}
		@@ -3072,7 +3095,7 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		return true;
		}

		private void startVerificationSession(Supplier<Computer> snapshotSupplier, boolean retry) {
		private void retryDeveloperVerificationSession(Supplier<Computer> snapshotSupplier) {
		final SigningInfo signingInfo;
		final List<SharedLibraryInfo> declaredLibraries;
		synchronized (mLock) {
		@@ -3080,22 +3103,21 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		declaredLibraries =
		mPackageLite == null ? null : mPackageLite.getDeclaredLibraries();
		}
		// TODO (b/360130528): limit the number of times user can retry
		mDeveloperVerificationRetryCount.getAndIncrement();
		// Send the request to the verifier and wait for its response before the rest of
		// the installation can proceed.
		final VerifierCallback verifierCallback = new VerifierCallback();
		if (!mDeveloperVerifierController.startVerificationSession(snapshotSupplier, userId,
		sessionId, getPackageName(),
		stageDir == null ? Uri.EMPTY : Uri.fromFile(stageDir), signingInfo,
		declaredLibraries, mCurrentVerificationPolicy.get(), /* extensionParams= */ null,
		verifierCallback, retry)) {
		// A verifier is installed but cannot be connected.
		verifierCallback.onConnectionFailed();
		String errorMsg =
		"A verifier agent is available on device but cannot be connected.";
		setSessionFailed(INSTALL_FAILED_INTERNAL_ERROR, errorMsg);
		onSessionVerificationFailure(INSTALL_FAILED_INTERNAL_ERROR, errorMsg,
		/* extras= */ null);
		// TODO (b/360130528): maybe show error dialog to the user
		mDeveloperVerifierCallback, /* retry = */ true)) {
		// A verifier is installed but cannot be connected. Maybe prompt the user again.
		mDeveloperVerifierCallback.onConnectionInfeasible();
		}
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerificationRetryRequestSent(
		mDeveloperVerificationRetryCount.get());
		}
		}

		@@ -3167,34 +3189,68 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		/**
		* Used for the VerifierController to report status back.
		*/
		public class VerifierCallback {

		public class DeveloperVerifierCallback {
		/**
		* Called by the VerifierController when the verifier requests to get the current
		* verification policy for this session.
		* Called by the VerifierController to indicate that the verifier has been connected. Only
		* used for metrics logging for now.
		*/
		public @PackageInstaller.DeveloperVerificationPolicy int getVerificationPolicy() {
		return mCurrentVerificationPolicy.get();
		public void onConnectionEstablished(int verifierUid) {
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerifierConnectionEstablished(verifierUid);
		}
		}

		/**
		* Called by the VerifierController when the verifier requests to change the verification
		* policy for this session.
		*/
		public boolean setVerificationPolicy(
		public boolean onVerificationPolicyOverridden(
		@PackageInstaller.DeveloperVerificationPolicy int policy) {
		if (!isValidVerificationPolicy(policy)) {
		return false;
		}
		mCurrentVerificationPolicy.set(policy);
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerificationPolicyOverridden(policy);
		}
		return true;
		}

		/**
		* Called by the session itself when the verifier cannot be connected because of infeasible
		* reasons such as it's not installed on the target user.
		*/
		private void onConnectionInfeasible() {
		mHandler.post(() -> {
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerifierResponseReceived(
		SessionMetrics.DeveloperVerifierResponse.OTHER);
		}
		if (mCurrentVerificationPolicy.get()
		!= DEVELOPER_VERIFICATION_POLICY_BLOCK_FAIL_CLOSED) {
		// Continue with the rest of the verification and installation.
		resumeVerify();
		return;
		}

		mVerificationUserActionNeededReason =
		DEVELOPER_VERIFICATION_USER_ACTION_NEEDED_REASON_UNKNOWN;
		mVerificationFailedMessage = "A verifier agent is specified on device but cannot "
		+ "be connected because of unknown error.";
		maybeSendUserActionForVerification(/* blockingFailure= */ false,
		/* extensionResponse= */ null);
		});
		}

		/**
		* Called by the VerifierController when the connection has failed.
		*/
		public void onConnectionFailed() {
		mHandler.post(() -> {
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerifierResponseReceived(
		SessionMetrics.DeveloperVerifierResponse.DISCONNECTED);
		}
		if (mCurrentVerificationPolicy.get()
		!= DEVELOPER_VERIFICATION_POLICY_BLOCK_FAIL_CLOSED) {
		// Continue with the rest of the verification and installation.
		@@ -3211,6 +3267,15 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		});
		}

		/**
		* Called by the VerifierController when the verifier has requested a timeout extension.
		*/
		public void onTimeoutExtensionRequested() {
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerificationTimeoutExtensionRequested();
		}
		}

		/**
		* Called by the VerifierController when the verification request has timed out.
		*/
		@@ -3218,6 +3283,10 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		// Always notify the verifier, regardless of the policy.
		mDeveloperVerifierController.notifyVerificationTimeout(sessionId, userId);
		mHandler.post(() -> {
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerifierResponseReceived(
		SessionMetrics.DeveloperVerifierResponse.TIMEOUT);
		}
		if (mCurrentVerificationPolicy.get()
		!= DEVELOPER_VERIFICATION_POLICY_BLOCK_FAIL_CLOSED) {
		// Continue with the rest of the verification and installation.
		@@ -3242,6 +3311,12 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		@NonNull DeveloperVerificationStatus statusReceived,
		@Nullable PersistableBundle extensionResponse) {
		mHandler.post(() -> {
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerifierResponseReceived(statusReceived.isVerified()
		? SessionMetrics.DeveloperVerifierResponse.COMPLETE_WITH_PASS
		: SessionMetrics.DeveloperVerifierResponse.COMPLETE_WITH_REJECT);
		mMetrics.onAslStatusReceived(statusReceived.getAslStatus());
		}
		if (mCurrentVerificationPolicy.get() == DEVELOPER_VERIFICATION_POLICY_NONE) {
		// No policy applied. Continue with the rest of the verification and install.
		resumeVerify();
		@@ -3250,6 +3325,9 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		if (statusReceived.isVerified()) {
		if (statusReceived.isLite()) {
		mVerificationLiteEnabled = true;
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerificationLiteEnabled();
		}
		// This is a lite verification. Need further user action.
		mVerificationUserActionNeededReason =
		DEVELOPER_VERIFICATION_USER_ACTION_NEEDED_REASON_LITE_VERIFICATION;
		@@ -3286,6 +3364,13 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		*/
		public void onVerificationIncompleteReceived(int incompleteReason) {
		mHandler.post(() -> {
		final boolean isNetworkUnavailable =
		incompleteReason == DEVELOPER_VERIFICATION_INCOMPLETE_NETWORK_UNAVAILABLE;
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerifierResponseReceived(isNetworkUnavailable
		? SessionMetrics.DeveloperVerifierResponse.INCOMPLETE_NETWORK
		: SessionMetrics.DeveloperVerifierResponse.INCOMPLETE_UNKNOWN);
		}
		if (mCurrentVerificationPolicy.get() == DEVELOPER_VERIFICATION_POLICY_NONE) {
		// Continue with the rest of the verification and installation.
		resumeVerify();
		@@ -3294,7 +3379,7 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {

		StringBuilder sb = new StringBuilder(
		"Verification cannot be completed because of ");
		if (incompleteReason == DEVELOPER_VERIFICATION_INCOMPLETE_NETWORK_UNAVAILABLE) {
		if (isNetworkUnavailable) {
		mVerificationUserActionNeededReason =
		DEVELOPER_VERIFICATION_USER_ACTION_NEEDED_REASON_NETWORK_UNAVAILABLE;
		sb.append("unavailable network.");
		@@ -3316,6 +3401,10 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		mVerificationUserActionNeeded = true;
		sendOnUserActionRequired(mContext, getRemoteStatusReceiver(), sessionId,
		intent);
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerificationUserActionRequired(
		mVerificationUserActionNeededReason);
		}
		return;
		}
		// Not sending user action. Directly return the failure to the installer.
		@@ -5021,7 +5110,9 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		+ "SessionID: " + sessionId);
		return;
		}

		synchronized (mMetrics) {
		mMetrics.onDeveloperVerificationUserResponseReceived(userResponse);
		}
		switch (userResponse) {
		case DEVELOPER_VERIFICATION_USER_RESPONSE_ERROR -> {
		String errorMsg = "User could not be notified about the pending verification.";
		@@ -5060,8 +5151,7 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		}

		case DEVELOPER_VERIFICATION_USER_RESPONSE_RETRY -> {
		// TODO (b/360130528): limit the number of times user can retry
		startVerificationSession(mPm::snapshotComputer, /* retry= */ true);
		retryDeveloperVerificationSession(mPm::snapshotComputer /* retry= */);
		}

		case DEVELOPER_VERIFICATION_USER_RESPONSE_INSTALL_ANYWAY -> resumeVerify();
		@@ -6076,6 +6166,9 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
		// been sent out, which happens right after commit() is called.
		mDeveloperVerifierController.notifyVerificationCancelled(
		params.appPackageName, userId);
		synchronized (mMetrics) {
		mMetrics.onDeveloperVerificationCancelled();
		}
		}
		}

services/core/java/com/android/server/pm/SessionMetrics.java

+259 −21

File changed.

Preview size limit exceeded, changes collapsed.

services/core/java/com/android/server/pm/verify/developer/DeveloperVerifierController.java

+13 −8

Original line number	Diff line number	Diff line
		@@ -183,9 +183,10 @@ public class DeveloperVerifierController {
		* If the verifier agent exists but cannot be started for some reason, all the notify* methods
		* in this class will fail asynchronously and quietly. The system will learn about the failure
		* after receiving the failure from
		* {@link PackageInstallerSession.VerifierCallback#onConnectionFailed}.
		* {@link PackageInstallerSession.DeveloperVerifierCallback#onConnectionFailed}.
		*/
		public boolean bindToVerifierServiceIfNeeded(Supplier<Computer> snapshotSupplier, int userId) {
		public boolean bindToVerifierServiceIfNeeded(Supplier<Computer> snapshotSupplier, int userId,
		PackageInstallerSession.DeveloperVerifierCallback callback) {
		if (DEBUG) {
		Slog.i(TAG, "Requesting to bind to the verifier service for user " + userId);
		}
		@@ -230,6 +231,8 @@ public class DeveloperVerifierController {
		public void onConnected(@NonNull IDeveloperVerifierService service) {
		Slog.i(TAG, "Verifier " + verifierPackageName + " is connected"
		+ " on user " + userId);
		// Logging the success of connecting to the verifier.
		callback.onConnectionEstablished(verifierUid);
		// Aggressively auto-disconnect until verification requests are sent out
		startAutoDisconnectCountdown(
		remoteServiceWrapper.getAutoDisconnectCallback());
		@@ -354,10 +357,10 @@ public class DeveloperVerifierController {
		List<SharedLibraryInfo> declaredLibraries,
		@PackageInstaller.DeveloperVerificationPolicy int verificationPolicy,
		@Nullable PersistableBundle extensionParams,
		PackageInstallerSession.VerifierCallback callback,
		PackageInstallerSession.DeveloperVerifierCallback callback,
		boolean retry) {
		// Try connecting to the verifier if not already connected
		if (!bindToVerifierServiceIfNeeded(snapshotSupplier, userId)) {
		if (!bindToVerifierServiceIfNeeded(snapshotSupplier, userId, callback)) {
		return false;
		}
		// For now, the verification id is the same as the installation session id.
		@@ -425,7 +428,7 @@ public class DeveloperVerifierController {

		private void startTimeoutCountdown(int verificationId,
		DeveloperVerificationRequestStatusTracker tracker,
		PackageInstallerSession.VerifierCallback callback, long delayMillis) {
		PackageInstallerSession.DeveloperVerifierCallback callback, long delayMillis) {
		mHandler.postDelayed(() -> {
		if (DEBUG) {
		Slog.i(TAG, "Checking request timeout for " + verificationId);
		@@ -538,9 +541,10 @@ public class DeveloperVerifierController {
		// This class handles requests from the remote verifier
		private class DeveloperVerificationSessionInterface extends
		IDeveloperVerificationSessionInterface.Stub {
		private final PackageInstallerSession.VerifierCallback mCallback;
		private final PackageInstallerSession.DeveloperVerifierCallback mCallback;

		DeveloperVerificationSessionInterface(PackageInstallerSession.VerifierCallback callback) {
		DeveloperVerificationSessionInterface(
		PackageInstallerSession.DeveloperVerifierCallback callback) {
		mCallback = callback;
		}

		@@ -569,6 +573,7 @@ public class DeveloperVerifierController {
		throw new IllegalStateException("Verification session " + verificationId
		+ " doesn't exist or has finished");
		}
		mCallback.onTimeoutExtensionRequested();
		return tracker.extendTimeRemaining(additionalMs);
		}
		}
		@@ -585,7 +590,7 @@ public class DeveloperVerifierController {
		+ " doesn't exist or has finished");
		}
		}
		return mCallback.setVerificationPolicy(policy);
		return mCallback.onVerificationPolicyOverridden(policy);
		}

		@Override

services/tests/PackageManagerServiceTests/server/src/com/android/server/pm/verify/developer/DeveloperVerifierControllerTest.java

+12 −10

Original line number	Diff line number	Diff line
		@@ -123,9 +123,9 @@ public class DeveloperVerifierControllerTest {
		Computer mSnapshot;
		Supplier<Computer> mSnapshotSupplier = () -> mSnapshot;
		@Mock
		PackageInstallerSession.VerifierCallback mSessionCallback;
		PackageInstallerSession.DeveloperVerifierCallback mSessionCallback;
		@Mock
		PackageInstallerSession.VerifierCallback mSessionCallbackSecondaryUser;
		PackageInstallerSession.DeveloperVerifierCallback mSessionCallbackSecondaryUser;

		private DeveloperVerifierController mDeveloperVerifierController;
		private String mPackageName;
		@@ -187,14 +187,15 @@ public class DeveloperVerifierControllerTest {
		public void testRebindService() {
		ArgumentCaptor<ServiceConnector.ServiceLifecycleCallbacks> captor = ArgumentCaptor.forClass(
		ServiceConnector.ServiceLifecycleCallbacks.class);
		assertThat(mDeveloperVerifierController.bindToVerifierServiceIfNeeded(mSnapshotSupplier, 0))
		.isTrue();
		assertThat(mDeveloperVerifierController.bindToVerifierServiceIfNeeded(mSnapshotSupplier, 0,
		mSessionCallback)).isTrue();
		verify(mMockServiceConnector).setServiceLifecycleCallbacks(captor.capture());
		ServiceConnector.ServiceLifecycleCallbacks<IDeveloperVerifierService> callbacks =
		captor.getValue();
		// Verify that the countdown to auto-disconnect has started
		ArgumentCaptor<Runnable> runnableCaptor = ArgumentCaptor.forClass(Runnable.class);
		callbacks.onConnected(mMockService);
		verify(mSessionCallback, times(1)).onConnectionEstablished(anyInt());
		verify(mInjector, times(1)).removeCallbacks(eq(mHandler),
		runnableCaptor.capture());
		Runnable autoDisconnectRunnable = runnableCaptor.getValue();
		@@ -207,8 +208,8 @@ public class DeveloperVerifierControllerTest {
		when(mSnapshot.getPackageUidInternal(
		eq(mPackageName), anyLong(), anyInt(), anyInt()
		)).thenReturn(INVALID_UID);
		assertThat(mDeveloperVerifierController.bindToVerifierServiceIfNeeded(mSnapshotSupplier, 0))
		.isFalse();
		assertThat(mDeveloperVerifierController.bindToVerifierServiceIfNeeded(mSnapshotSupplier, 0,
		mSessionCallback)).isFalse();
		// Test that nothing crashes if the verifier is available even though there's no bound
		mDeveloperVerifierController.notifyPackageNameAvailable(TEST_PACKAGE_NAME, 0);
		mDeveloperVerifierController.notifyVerificationCancelled(TEST_PACKAGE_NAME, 0);
		@@ -221,8 +222,8 @@ public class DeveloperVerifierControllerTest {
		public void testUnbindService() throws Exception {
		ArgumentCaptor<ServiceConnector.ServiceLifecycleCallbacks> captor = ArgumentCaptor.forClass(
		ServiceConnector.ServiceLifecycleCallbacks.class);
		assertThat(mDeveloperVerifierController.bindToVerifierServiceIfNeeded(mSnapshotSupplier, 0))
		.isTrue();
		assertThat(mDeveloperVerifierController.bindToVerifierServiceIfNeeded(mSnapshotSupplier, 0,
		mSessionCallback)).isTrue();
		verify(mMockServiceConnector).setServiceLifecycleCallbacks(captor.capture());
		ServiceConnector.ServiceLifecycleCallbacks<IDeveloperVerifierService> callbacks =
		captor.getValue();
		@@ -523,6 +524,7 @@ public class DeveloperVerifierControllerTest {
		final long extendTimeMillis = TEST_TIMEOUT_DURATION_MILLIS;
		assertThat(session.extendTimeRemaining(extendTimeMillis)).isEqualTo(extendTimeMillis);
		assertThat(session.getTimeoutTime()).isEqualTo(initialTimeoutTime + extendTimeMillis);
		verify(mSessionCallback, times(1)).onTimeoutExtensionRequested();
		}

		@Test
		@@ -588,10 +590,10 @@ public class DeveloperVerifierControllerTest {
		verify(mMockService).onVerificationRequired(captor.capture());
		DeveloperVerificationSession session = captor.getValue();
		final int policy = DEVELOPER_VERIFICATION_POLICY_BLOCK_FAIL_OPEN;
		when(mSessionCallback.setVerificationPolicy(eq(policy))).thenReturn(true);
		when(mSessionCallback.onVerificationPolicyOverridden(eq(policy))).thenReturn(true);
		assertThat(session.setVerificationPolicy(policy)).isTrue();
		assertThat(session.getVerificationPolicy()).isEqualTo(policy);
		verify(mSessionCallback, times(1)).setVerificationPolicy(eq(policy));
		verify(mSessionCallback, times(1)).onVerificationPolicyOverridden(eq(policy));
		}

		@Test