1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.car.hal; 17 18 import android.car.CarInfoManager; 19 import android.util.Log; 20 21 import com.android.car.CarLog; 22 import com.android.car.vehiclenetwork.VehicleNetworkConsts; 23 import com.android.car.vehiclenetwork.VehicleNetworkProto.VehiclePropConfig; 24 import com.android.car.vehiclenetwork.VehicleNetworkProto.VehiclePropValue; 25 26 import java.io.PrintWriter; 27 import java.util.HashMap; 28 import java.util.LinkedList; 29 import java.util.List; 30 31 public class InfoHalService extends HalServiceBase { 32 33 private final VehicleHal mHal; 34 private final HashMap<String, VehiclePropConfig> mInfoNameToHalPropertyMap = 35 new HashMap<String, VehiclePropConfig>(); 36 37 public InfoHalService(VehicleHal hal) { 38 mHal = hal; 39 } 40 41 @Override 42 public void init() { 43 //nothing to do 44 } 45 46 @Override 47 public synchronized void release() { 48 mInfoNameToHalPropertyMap.clear(); 49 } 50 51 @Override 52 public synchronized List<VehiclePropConfig> takeSupportedProperties( 53 List<VehiclePropConfig> allProperties) { 54 List<VehiclePropConfig> supported = new LinkedList<VehiclePropConfig>(); 55 for (VehiclePropConfig p: allProperties) { 56 String infoName = getInfoStringFromProperty(p.getProp()); 57 if (infoName != null) { 58 supported.add(p); 59 mInfoNameToHalPropertyMap.put(infoName, p); 60 } 61 } 62 return supported; 63 } 64 65 @Override 66 public void handleHalEvents(List<VehiclePropValue> values) { 67 for (VehiclePropValue v : values) { 68 logUnexpectedEvent(v.getProp()); 69 } 70 } 71 72 @Override 73 public void dump(PrintWriter writer) { 74 writer.println("*InfoHal*"); 75 writer.println("**Supported properties**"); 76 for (VehiclePropConfig p : mInfoNameToHalPropertyMap.values()) { 77 //TODO fix toString 78 writer.println(p.toString()); 79 } 80 } 81 82 public int[] getInt(String key) { 83 VehiclePropConfig prop = getHalPropertyFromInfoString(key); 84 if (prop == null) { 85 return null; 86 } 87 // no lock here as get can take time and multiple get should be possible. 88 int v = mHal.getVehicleNetwork().getIntProperty(prop.getProp()); 89 return new int[] { v }; 90 } 91 92 public long[] getLong(String key) { 93 VehiclePropConfig prop = getHalPropertyFromInfoString(key); 94 if (prop == null) { 95 return null; 96 } 97 // no lock here as get can take time and multiple get should be possible. 98 long v = mHal.getVehicleNetwork().getLongProperty(prop.getProp()); 99 return new long[] { v }; 100 } 101 102 public float[] getFloat(String key) { 103 VehiclePropConfig prop = getHalPropertyFromInfoString(key); 104 if (prop == null) { 105 return null; 106 } 107 // no lock here as get can take time and multiple get should be possible. 108 float v = mHal.getVehicleNetwork().getFloatProperty(prop.getProp()); 109 return new float[] { v }; 110 } 111 112 public String getString(String key) { 113 VehiclePropConfig prop = getHalPropertyFromInfoString(key); 114 if (prop == null) { 115 return null; 116 } 117 // no lock here as get can take time and multiple get should be possible. 118 return mHal.getVehicleNetwork().getStringProperty(prop.getProp()); 119 } 120 121 private synchronized VehiclePropConfig getHalPropertyFromInfoString(String key) { 122 return mInfoNameToHalPropertyMap.get(key); 123 } 124 125 private void logUnexpectedEvent(int property) { 126 Log.w(CarLog.TAG_INFO, "unexpected HAL event for property 0x" + 127 Integer.toHexString(property)); 128 } 129 130 private static String getInfoStringFromProperty(int property) { 131 switch (property) { 132 case VehicleNetworkConsts.VEHICLE_PROPERTY_INFO_MAKE: 133 return CarInfoManager.KEY_MANUFACTURER; 134 case VehicleNetworkConsts.VEHICLE_PROPERTY_INFO_MODEL: 135 return CarInfoManager.KEY_MODEL; 136 case VehicleNetworkConsts.VEHICLE_PROPERTY_INFO_MODEL_YEAR: 137 return CarInfoManager.KEY_MODEL_YEAR; 138 case VehicleNetworkConsts.VEHICLE_PROPERTY_INFO_VIN: 139 return CarInfoManager.KEY_VEHICLE_ID; 140 //TODO add more properties 141 default: 142 return null; 143 } 144 } 145 } 146
