Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 067cf3e8 authored by Keun-young Park's avatar Keun-young Park
Browse files

add skeleton CarServiceHelperService 

- CarServiceHelperService is a companion service for car service which
  is used only for car product.
- HelperService starts car service and provide necessary interface
  for system server internal behavior control.

bug: 62342376
Test: test boot-up
Change-Id: I1728437434eab36bd2df6ba0a534731823bbcf35
parent 0ea89f0f

Android.mk

+1 −0
Original line number Diff line number Diff line
@@ -385,6 +385,7 @@ LOCAL_SRC_FILES += \ 
	core/java/com/android/internal/appwidget/IAppWidgetHost.aidl \

	core/java/com/android/internal/backup/IBackupTransport.aidl \

	core/java/com/android/internal/backup/IObbBackupService.aidl \

	core/java/com/android/internal/car/ICarServiceHelper.aidl \

	core/java/com/android/internal/inputmethod/IInputContentUriToken.aidl \

	core/java/com/android/internal/policy/IKeyguardDrawnCallback.aidl \

	core/java/com/android/internal/policy/IKeyguardDismissCallback.aidl \

core/java/com/android/internal/car/ICarServiceHelper.aidl

0 → 100644
+24 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2017 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



package com.android.internal.car;



/**

 * Helper API for car service. Only for itneraction between system server and car service.

 * @hide

 */

interface ICarServiceHelper {

}

services/core/java/com/android/server/car/CarServiceHelperService.java

0 → 100644
+91 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2017 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



package com.android.server.car;



import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.content.ServiceConnection;

import android.os.Binder;

import android.os.IBinder;

import android.os.Parcel;

import android.os.RemoteException;

import android.os.UserHandle;

import android.util.Slog;



import com.android.internal.car.ICarServiceHelper;

import com.android.server.SystemService;



/**

 * System service side companion service for CarService.

 * Starts car service and provide necessary API for CarService. Only for car product.

 */

public class CarServiceHelperService extends SystemService {

    private static final String TAG = "CarServiceHelper";

    private static final String CAR_SERVICE_INTERFACE = "android.car.ICar";

    private final ICarServiceHelperImpl mHelper = new ICarServiceHelperImpl();

    private IBinder mCarService;

    private final ServiceConnection mCarServiceConnection = new ServiceConnection() {



        @Override

        public void onServiceConnected(ComponentName componentName, IBinder iBinder) {

            Slog.i(TAG, "**CarService connected**");

            mCarService = iBinder;

            // Cannot depend on ICar which is defined in CarService, so handle binder call directly

            // instead.

            // void setCarServiceHelper(in IBinder helper)

            Parcel data = Parcel.obtain();

            data.writeInterfaceToken(CAR_SERVICE_INTERFACE);

            data.writeStrongBinder(mHelper.asBinder());

            try {

                mCarService.transact(IBinder.FIRST_CALL_TRANSACTION, // setCarServiceHelper

                        data, null, Binder.FLAG_ONEWAY);

            } catch (RemoteException e) {

                Slog.w(TAG, "RemoteException from car service", e);

                handleCarServiceCrash();

            }

        }



        @Override

        public void onServiceDisconnected(ComponentName componentName) {

            handleCarServiceCrash();

        }

    };



    public CarServiceHelperService(Context context) {

        super(context);

    }



    @Override

    public void onStart() {

        Intent intent = new Intent();

        intent.setPackage("com.android.car");

        intent.setAction(CAR_SERVICE_INTERFACE);

        if (!getContext().bindServiceAsUser(intent, mCarServiceConnection, Context.BIND_AUTO_CREATE,

                UserHandle.SYSTEM)) {

            Slog.wtf(TAG, "cannot start car service");

        }

    }



    private void handleCarServiceCrash() {

        //TODO define recovery bahavior

    }



    private class ICarServiceHelperImpl extends ICarServiceHelper.Stub {

        //TODO

    }

}

services/java/com/android/server/SystemServer.java

+7 −0
Original line number Diff line number Diff line
@@ -63,6 +63,7 @@ import com.android.server.accessibility.AccessibilityManagerService; 
import com.android.server.am.ActivityManagerService;

import com.android.server.audio.AudioService;

import com.android.server.camera.CameraServiceProxy;

import com.android.server.car.CarServiceHelperService;

import com.android.server.clipboard.ClipboardService;

import com.android.server.connectivity.IpConnectivityMetrics;

import com.android.server.coverage.CoverageService;
@@ -1697,6 +1698,12 @@ public final class SystemServer { 
                }, WEBVIEW_PREPARATION);

            }



            if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE)) {

                traceBeginAndSlog("StartCarServiceHelperService");

                mSystemServiceManager.startService(CarServiceHelperService.class);

                traceEnd();

            }



            traceBeginAndSlog("StartSystemUI");

            try {

                startSystemUi(context, windowManagerF);