| /* |
| * Copyright 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. |
| */ |
| |
| // This is a reference implementation for health@2.0 HAL. A vendor |
| // can write its own HealthService.cpp with customized init and update functions. |
| |
| #define LOG_TAG "health@2.0/" HEALTH_INSTANCE_NAME |
| #include <android-base/logging.h> |
| |
| #include <android/hardware/health/1.0/types.h> |
| #include <hal_conversion.h> |
| #include <health2/Health.h> |
| #include <healthd/healthd.h> |
| #include <hidl/HidlTransportSupport.h> |
| |
| using android::hardware::IPCThreadState; |
| using android::hardware::configureRpcThreadpool; |
| using android::hardware::health::V1_0::HealthInfo; |
| using android::hardware::health::V1_0::hal_conversion::convertToHealthInfo; |
| using android::hardware::health::V2_0::IHealth; |
| using android::hardware::health::V2_0::implementation::Health; |
| |
| extern int healthd_main(void); |
| |
| static void binder_event(uint32_t /*epevents*/) { |
| IPCThreadState::self()->handlePolledCommands(); |
| } |
| |
| void healthd_mode_service_2_0_init(struct healthd_config* config) { |
| int binderFd; |
| |
| LOG(INFO) << LOG_TAG << " Hal is starting up..."; |
| |
| configureRpcThreadpool(1, false /* callerWillJoin */); |
| IPCThreadState::self()->disableBackgroundScheduling(true); |
| IPCThreadState::self()->setupPolling(&binderFd); |
| |
| if (binderFd >= 0) { |
| if (healthd_register_event(binderFd, binder_event)) |
| LOG(ERROR) << LOG_TAG << ": Register for binder events failed"; |
| } |
| |
| // Implementation-defined init logic goes here. |
| // 1. config->periodic_chores_interval_* variables |
| // 2. config->battery*Path variables |
| // 3. config->energyCounter. In this implementation, energyCounter is not defined. |
| // TODO(b/68724651): healthd_board_* functions should be removed in health@2.0 |
| healthd_board_init(config); |
| |
| android::sp<IHealth> service = Health::initInstance(config); |
| CHECK_EQ(service->registerAsService(HEALTH_INSTANCE_NAME), android::OK) |
| << LOG_TAG << ": Failed to register HAL"; |
| |
| LOG(INFO) << LOG_TAG << ": Hal init done"; |
| } |
| |
| int healthd_mode_service_2_0_preparetowait(void) { |
| IPCThreadState::self()->flushCommands(); |
| return -1; |
| } |
| |
| void healthd_mode_service_2_0_heartbeat(void) { |
| // noop |
| } |
| |
| void healthd_mode_service_2_0_battery_update(struct android::BatteryProperties* prop) { |
| // Implementation-defined update logic goes here. An implementation |
| // can make modifications to prop before broadcasting it to all callbacks. |
| |
| HealthInfo info; |
| convertToHealthInfo(prop, info); |
| Health::getImplementation()->notifyListeners(info); |
| } |
| |
| static struct healthd_mode_ops healthd_mode_service_2_0_ops = { |
| .init = healthd_mode_service_2_0_init, |
| .preparetowait = healthd_mode_service_2_0_preparetowait, |
| .heartbeat = healthd_mode_service_2_0_heartbeat, |
| .battery_update = healthd_mode_service_2_0_battery_update, |
| }; |
| |
| int main() { |
| healthd_mode_ops = &healthd_mode_service_2_0_ops; |
| LOG(INFO) << LOG_TAG << ": Hal starting main loop..."; |
| return healthd_main(); |
| } |