xref: /aosp_15_r20/hardware/interfaces/health/2.1/default/impl.cpp (revision 4d7e907c777eeecc4c5bd7cf640a754fac206ff7)
1*4d7e907cSAndroid Build Coastguard Worker /*
2*4d7e907cSAndroid Build Coastguard Worker  * Copyright (C) 2019 The Android Open Source Project
3*4d7e907cSAndroid Build Coastguard Worker  *
4*4d7e907cSAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*4d7e907cSAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*4d7e907cSAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*4d7e907cSAndroid Build Coastguard Worker  *
8*4d7e907cSAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*4d7e907cSAndroid Build Coastguard Worker  *
10*4d7e907cSAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*4d7e907cSAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*4d7e907cSAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*4d7e907cSAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*4d7e907cSAndroid Build Coastguard Worker  * limitations under the License.
15*4d7e907cSAndroid Build Coastguard Worker  */
16*4d7e907cSAndroid Build Coastguard Worker 
17*4d7e907cSAndroid Build Coastguard Worker #include <memory>
18*4d7e907cSAndroid Build Coastguard Worker #include <string_view>
19*4d7e907cSAndroid Build Coastguard Worker 
20*4d7e907cSAndroid Build Coastguard Worker #include <health/utils.h>
21*4d7e907cSAndroid Build Coastguard Worker #include <health2impl/Health.h>
22*4d7e907cSAndroid Build Coastguard Worker 
23*4d7e907cSAndroid Build Coastguard Worker using ::android::sp;
24*4d7e907cSAndroid Build Coastguard Worker using ::android::hardware::health::InitHealthdConfig;
25*4d7e907cSAndroid Build Coastguard Worker using ::android::hardware::health::V2_1::IHealth;
26*4d7e907cSAndroid Build Coastguard Worker using ::android::hardware::health::V2_1::implementation::Health;
27*4d7e907cSAndroid Build Coastguard Worker 
28*4d7e907cSAndroid Build Coastguard Worker using namespace std::literals;
29*4d7e907cSAndroid Build Coastguard Worker 
30*4d7e907cSAndroid Build Coastguard Worker // Passthrough implementation of the health service. Use default configuration.
31*4d7e907cSAndroid Build Coastguard Worker // It does not invoke callbacks unless update() is called explicitly. No
32*4d7e907cSAndroid Build Coastguard Worker // background thread is spawned to handle callbacks.
33*4d7e907cSAndroid Build Coastguard Worker //
34*4d7e907cSAndroid Build Coastguard Worker // The passthrough implementation is only allowed in recovery mode, charger, and
35*4d7e907cSAndroid Build Coastguard Worker // opened by the hwbinder service.
36*4d7e907cSAndroid Build Coastguard Worker // If Android is booted normally, the hwbinder service is used instead.
37*4d7e907cSAndroid Build Coastguard Worker //
38*4d7e907cSAndroid Build Coastguard Worker // This implementation only implements the "default" instance. It rejects
39*4d7e907cSAndroid Build Coastguard Worker // other instance names.
40*4d7e907cSAndroid Build Coastguard Worker // Note that the Android framework only reads values from the "default"
41*4d7e907cSAndroid Build Coastguard Worker // health HAL 2.1 instance.
HIDL_FETCH_IHealth(const char * instance)42*4d7e907cSAndroid Build Coastguard Worker extern "C" IHealth* HIDL_FETCH_IHealth(const char* instance) {
43*4d7e907cSAndroid Build Coastguard Worker     if (instance != "default"sv) {
44*4d7e907cSAndroid Build Coastguard Worker         return nullptr;
45*4d7e907cSAndroid Build Coastguard Worker     }
46*4d7e907cSAndroid Build Coastguard Worker     auto config = std::make_unique<healthd_config>();
47*4d7e907cSAndroid Build Coastguard Worker     InitHealthdConfig(config.get());
48*4d7e907cSAndroid Build Coastguard Worker 
49*4d7e907cSAndroid Build Coastguard Worker     // This implementation uses default config. If you want to customize it
50*4d7e907cSAndroid Build Coastguard Worker     // (e.g. with healthd_board_init), do it here.
51*4d7e907cSAndroid Build Coastguard Worker 
52*4d7e907cSAndroid Build Coastguard Worker     return new Health(std::move(config));
53*4d7e907cSAndroid Build Coastguard Worker }
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