Merge "4/n: Make CoexCoordinator multi-sensor-aware" into sc-dev am: c4815d0f2d (29baf590) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/biometrics/sensors/BiometricScheduler.java

+77 −6

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import android.annotation.Nullable;
		import android.content.Context;
		import android.hardware.biometrics.BiometricConstants;
		import android.hardware.biometrics.IBiometricService;
		import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.Looper;
		@@ -48,8 +49,11 @@ import java.util.Locale;

		/**
		* A scheduler for biometric HAL operations. Maintains a queue of {@link BaseClientMonitor}
		* operations, without caring about its implementation details. Operations may perform one or more
		* operations, without caring about its implementation details. Operations may perform zero or more
		* interactions with the HAL before finishing.
		*
		* We currently assume (and require) that each biometric sensor have its own instance of a
		* {@link BiometricScheduler}. See {@link CoexCoordinator}.
		*/
		public class BiometricScheduler {

		@@ -57,6 +61,55 @@ public class BiometricScheduler {
		// Number of recent operations to keep in our logs for dumpsys
		protected static final int LOG_NUM_RECENT_OPERATIONS = 50;

		/**
		* Unknown sensor type. This should never be used, and is a sign that something is wrong during
		* initialization.
		*/
		public static final int SENSOR_TYPE_UNKNOWN = 0;

		/**
		* Face authentication.
		*/
		public static final int SENSOR_TYPE_FACE = 1;

		/**
		* Any UDFPS type. See {@link FingerprintSensorPropertiesInternal#isAnyUdfpsType()}.
		*/
		public static final int SENSOR_TYPE_UDFPS = 2;

		/**
		* Any other fingerprint sensor. We can add additional definitions in the future when necessary.
		*/
		public static final int SENSOR_TYPE_FP_OTHER = 3;

		@IntDef({SENSOR_TYPE_UNKNOWN, SENSOR_TYPE_FACE, SENSOR_TYPE_UDFPS, SENSOR_TYPE_FP_OTHER})
		@Retention(RetentionPolicy.SOURCE)
		public @interface SensorType {}

		public static @SensorType int sensorTypeFromFingerprintProperties(
		@NonNull FingerprintSensorPropertiesInternal props) {
		if (props.isAnyUdfpsType()) {
		return SENSOR_TYPE_UDFPS;
		}

		return SENSOR_TYPE_FP_OTHER;
		}

		public static String sensorTypeToString(@SensorType int sensorType) {
		switch (sensorType) {
		case SENSOR_TYPE_UNKNOWN:
		return "Unknown";
		case SENSOR_TYPE_FACE:
		return "Face";
		case SENSOR_TYPE_UDFPS:
		return "Udfps";
		case SENSOR_TYPE_FP_OTHER:
		return "OtherFp";
		default:
		return "UnknownUnknown";
		}
		}

		/**
		* Contains all the necessary information for a HAL operation.
		*/
		@@ -207,6 +260,7 @@ public class BiometricScheduler {
		}

		@NonNull protected final String mBiometricTag;
		private final @SensorType int mSensorType;
		@Nullable private final GestureAvailabilityDispatcher mGestureAvailabilityDispatcher;
		@NonNull private final IBiometricService mBiometricService;
		@NonNull protected final Handler mHandler = new Handler(Looper.getMainLooper());
		@@ -218,6 +272,7 @@ public class BiometricScheduler {
		private int mTotalOperationsHandled;
		private final int mRecentOperationsLimit;
		@NonNull private final List<Integer> mRecentOperations;
		@NonNull private final CoexCoordinator mCoexCoordinator;

		// Internal callback, notified when an operation is complete. Notifies the requester
		// that the operation is complete, before performing internal scheduler work (such as
		@@ -226,6 +281,12 @@ public class BiometricScheduler {
		@Override
		public void onClientStarted(@NonNull BaseClientMonitor clientMonitor) {
		Slog.d(getTag(), "[Started] " + clientMonitor);

		if (clientMonitor instanceof AuthenticationClient) {
		mCoexCoordinator.addAuthenticationClient(mSensorType,
		(AuthenticationClient<?>) clientMonitor);
		}

		if (mCurrentOperation.mClientCallback != null) {
		mCurrentOperation.mClientCallback.onClientStarted(clientMonitor);
		}
		@@ -248,6 +309,11 @@ public class BiometricScheduler {
		}

		Slog.d(getTag(), "[Finishing] " + clientMonitor + ", success: " + success);
		if (clientMonitor instanceof AuthenticationClient) {
		mCoexCoordinator.removeAuthenticationClient(mSensorType,
		(AuthenticationClient<?>) clientMonitor);
		}

		mCurrentOperation.mState = Operation.STATE_FINISHED;

		if (mCurrentOperation.mClientCallback != null) {
		@@ -271,10 +337,12 @@ public class BiometricScheduler {
		}

		@VisibleForTesting
		BiometricScheduler(@NonNull String tag,
		BiometricScheduler(@NonNull String tag, @SensorType int sensorType,
		@Nullable GestureAvailabilityDispatcher gestureAvailabilityDispatcher,
		@NonNull IBiometricService biometricService, int recentOperationsLimit) {
		@NonNull IBiometricService biometricService, int recentOperationsLimit,
		@NonNull CoexCoordinator coexCoordinator) {
		mBiometricTag = tag;
		mSensorType = sensorType;
		mInternalCallback = new InternalCallback();
		mGestureAvailabilityDispatcher = gestureAvailabilityDispatcher;
		mPendingOperations = new ArrayDeque<>();
		@@ -282,6 +350,7 @@ public class BiometricScheduler {
		mCrashStates = new ArrayDeque<>();
		mRecentOperationsLimit = recentOperationsLimit;
		mRecentOperations = new ArrayList<>();
		mCoexCoordinator = coexCoordinator;
		}

		/**
		@@ -290,10 +359,11 @@ public class BiometricScheduler {
		* @param gestureAvailabilityDispatcher may be null if the sensor does not support gestures
		* (such as fingerprint swipe).
		*/
		public BiometricScheduler(@NonNull String tag,
		public BiometricScheduler(@NonNull String tag, @SensorType int sensorType,
		@Nullable GestureAvailabilityDispatcher gestureAvailabilityDispatcher) {
		this(tag, gestureAvailabilityDispatcher, IBiometricService.Stub.asInterface(
		ServiceManager.getService(Context.BIOMETRIC_SERVICE)), LOG_NUM_RECENT_OPERATIONS);
		this(tag, sensorType, gestureAvailabilityDispatcher, IBiometricService.Stub.asInterface(
		ServiceManager.getService(Context.BIOMETRIC_SERVICE)), LOG_NUM_RECENT_OPERATIONS,
		CoexCoordinator.getInstance());
		}

		/**
		@@ -645,6 +715,7 @@ public class BiometricScheduler {

		public void dump(PrintWriter pw) {
		pw.println("Dump of BiometricScheduler " + getTag());
		pw.println("Type: " + mSensorType);
		pw.println("Current operation: " + mCurrentOperation);
		pw.println("Pending operations: " + mPendingOperations.size());
		for (Operation operation : mPendingOperations) {

services/core/java/com/android/server/biometrics/sensors/CoexCoordinator.java

+44 −4

Original line number	Diff line number	Diff line
		@@ -16,7 +16,13 @@

		package com.android.server.biometrics.sensors;

		import static com.android.server.biometrics.sensors.BiometricScheduler.sensorTypeToString;

		import android.annotation.NonNull;
		import android.util.Slog;

		import java.util.HashMap;
		import java.util.Map;

		/**
		* Singleton that contains the core logic for determining if haptics and authentication callbacks
		@@ -27,6 +33,7 @@ import android.annotation.NonNull;
		public class CoexCoordinator {

		private static final String TAG = "BiometricCoexCoordinator";
		private static final boolean DEBUG = true;

		/**
		* Callback interface notifying the owner of "results" from the CoexCoordinator's business
		@@ -47,10 +54,6 @@ public class CoexCoordinator {

		private static CoexCoordinator sInstance;

		private CoexCoordinator() {
		// Singleton
		}

		@NonNull
		static CoexCoordinator getInstance() {
		if (sInstance == null) {
		@@ -59,6 +62,43 @@ public class CoexCoordinator {
		return sInstance;
		}

		// SensorType to AuthenticationClient map
		private final Map<Integer, AuthenticationClient<?>> mClientMap;

		private CoexCoordinator() {
		// Singleton
		mClientMap = new HashMap<>();
		}

		public void addAuthenticationClient(@BiometricScheduler.SensorType int sensorType,
		@NonNull AuthenticationClient<?> client) {
		if (DEBUG) {
		Slog.d(TAG, "addAuthenticationClient(" + sensorTypeToString(sensorType) + ")"
		+ ", client: " + client);
		}

		if (mClientMap.containsKey(sensorType)) {
		Slog.w(TAG, "Overwriting existing client: " + mClientMap.get(sensorType)
		+ " with new client: " + client);
		}

		mClientMap.put(sensorType, client);
		}

		public void removeAuthenticationClient(@BiometricScheduler.SensorType int sensorType,
		@NonNull AuthenticationClient<?> client) {
		if (DEBUG) {
		Slog.d(TAG, "removeAuthenticationClient(" + sensorTypeToString(sensorType) + ")"
		+ ", client: " + client);
		}

		if (!mClientMap.containsKey(sensorType)) {
		Slog.e(TAG, "sensorType: " + sensorType + " does not exist in map. Client: " + client);
		return;
		}
		mClientMap.remove(sensorType);
		}

		public void onAuthenticationSucceeded(@NonNull AuthenticationClient<?> client,
		@NonNull Callback callback) {
		if (client.isBiometricPrompt()) {

services/core/java/com/android/server/biometrics/sensors/UserAwareBiometricScheduler.java

+8 −6

Original line number	Diff line number	Diff line
		@@ -83,24 +83,26 @@ public class UserAwareBiometricScheduler extends BiometricScheduler {
		}

		@VisibleForTesting
		UserAwareBiometricScheduler(@NonNull String tag,
		UserAwareBiometricScheduler(@NonNull String tag, @SensorType int sensorType,
		@Nullable GestureAvailabilityDispatcher gestureAvailabilityDispatcher,
		@NonNull IBiometricService biometricService,
		@NonNull CurrentUserRetriever currentUserRetriever,
		@NonNull UserSwitchCallback userSwitchCallback) {
		super(tag, gestureAvailabilityDispatcher, biometricService, LOG_NUM_RECENT_OPERATIONS);
		@NonNull UserSwitchCallback userSwitchCallback,
		@NonNull CoexCoordinator coexCoordinator) {
		super(tag, sensorType, gestureAvailabilityDispatcher, biometricService,
		LOG_NUM_RECENT_OPERATIONS, coexCoordinator);

		mCurrentUserRetriever = currentUserRetriever;
		mUserSwitchCallback = userSwitchCallback;
		}

		public UserAwareBiometricScheduler(@NonNull String tag,
		public UserAwareBiometricScheduler(@NonNull String tag, @SensorType int sensorType,
		@Nullable GestureAvailabilityDispatcher gestureAvailabilityDispatcher,
		@NonNull CurrentUserRetriever currentUserRetriever,
		@NonNull UserSwitchCallback userSwitchCallback) {
		this(tag, gestureAvailabilityDispatcher, IBiometricService.Stub.asInterface(
		this(tag, sensorType, gestureAvailabilityDispatcher, IBiometricService.Stub.asInterface(
		ServiceManager.getService(Context.BIOMETRIC_SERVICE)), currentUserRetriever,
		userSwitchCallback);
		userSwitchCallback, CoexCoordinator.getInstance());
		}

		@Override

services/core/java/com/android/server/biometrics/sensors/face/aidl/Sensor.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -494,7 +494,8 @@ public class Sensor {
		mToken = new Binder();
		mHandler = handler;
		mSensorProperties = sensorProperties;
		mScheduler = new UserAwareBiometricScheduler(tag, null /* gestureAvailabilityDispatcher */,
		mScheduler = new UserAwareBiometricScheduler(tag, BiometricScheduler.SENSOR_TYPE_FACE,
		null /* gestureAvailabilityDispatcher */,
		() -> mCurrentSession != null ? mCurrentSession.mUserId : UserHandle.USER_NULL,
		new UserAwareBiometricScheduler.UserSwitchCallback() {
		@NonNull

services/core/java/com/android/server/biometrics/sensors/face/hidl/Face10.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -355,7 +355,8 @@ public class Face10 implements IHwBinder.DeathRecipient, ServiceProvider {
		public Face10(@NonNull Context context, @NonNull FaceSensorPropertiesInternal sensorProps,
		@NonNull LockoutResetDispatcher lockoutResetDispatcher) {
		this(context, sensorProps, lockoutResetDispatcher,
		new BiometricScheduler(TAG, null /* gestureAvailabilityTracker */));
		new BiometricScheduler(TAG, BiometricScheduler.SENSOR_TYPE_FACE,
		null /* gestureAvailabilityTracker */));
		}

		@Override