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Commit a847559a authored by Ilya Matyukhin's avatar Ilya Matyukhin
Browse files

Load AIDL HALs in FaceService 

FaceService will now load all of the available HIDL and AIDL HALs.

Bug: 171335732
Test: build
Change-Id: I96b20dddae853feee79a37b616dd49474205047d
parent 77615b9f

services/core/java/com/android/server/biometrics/sensors/face/FaceService.java

+40 −0
Original line number Diff line number Diff line
@@ -27,13 +27,19 @@ import android.hardware.biometrics.BiometricManager; 
import android.hardware.biometrics.BiometricsProtoEnums;

import android.hardware.biometrics.IBiometricSensorReceiver;

import android.hardware.biometrics.IBiometricServiceLockoutResetCallback;

import android.hardware.biometrics.face.IFace;

import android.hardware.biometrics.face.SensorProps;

import android.hardware.face.Face;

import android.hardware.face.FaceSensorPropertiesInternal;

import android.hardware.face.IFaceService;

import android.hardware.face.IFaceServiceReceiver;

import android.os.Binder;

import android.os.Handler;

import android.os.IBinder;

import android.os.Process;

import android.os.NativeHandle;

import android.os.RemoteException;

import android.os.ServiceManager;

import android.os.UserHandle;

import android.util.Pair;

import android.util.Slog;
@@ -42,11 +48,13 @@ import android.view.Surface; 


import com.android.internal.util.DumpUtils;

import com.android.internal.widget.LockPatternUtils;

import com.android.server.ServiceThread;

import com.android.server.SystemService;

import com.android.server.biometrics.Utils;

import com.android.server.biometrics.sensors.ClientMonitorCallbackConverter;

import com.android.server.biometrics.sensors.LockoutResetDispatcher;

import com.android.server.biometrics.sensors.LockoutTracker;

import com.android.server.biometrics.sensors.face.aidl.FaceProvider;



import java.io.FileDescriptor;

import java.io.PrintWriter;
@@ -508,6 +516,38 @@ public class FaceService extends SystemService { 
        mLockoutResetDispatcher = new LockoutResetDispatcher(context);

        mLockPatternUtils = new LockPatternUtils(context);

        mServiceProviders = new ArrayList<>();



        initializeAidlHals();

    }



    private void initializeAidlHals() {

        final String[] instances = ServiceManager.getDeclaredInstances(IFace.DESCRIPTOR);

        if (instances == null || instances.length == 0) {

            return;

        }



        // If for some reason the HAL is not started before the system service, do not block

        // the rest of system server. Put this on a background thread.

        final ServiceThread thread = new ServiceThread(TAG, Process.THREAD_PRIORITY_BACKGROUND,

                true /* allowIo */);

        thread.start();

        final Handler handler = new Handler(thread.getLooper());



        handler.post(() -> {

            for (String instance : instances) {

                final String fqName = IFace.DESCRIPTOR + "/" + instance;

                final IFace face = IFace.Stub.asInterface(

                        ServiceManager.waitForDeclaredService(fqName));

                try {

                    final SensorProps[] props = face.getSensorProps();

                    final FaceProvider provider = new FaceProvider(getContext(), props, instance,

                            mLockoutResetDispatcher);

                    mServiceProviders.add(provider);

                } catch (RemoteException e) {

                    Slog.e(TAG, "Remote exception when initializing instance: " + fqName);

                }

            }

        });

    }



    @Override