109 lines
3.7 KiB
C++
109 lines
3.7 KiB
C++
/*
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* Copyright 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// This is a reference implementation for health@2.0 HAL. A vendor
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// can write its own HealthService.cpp with customized init and update functions.
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#define LOG_TAG "health@2.0/" HEALTH_INSTANCE_NAME
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#include <android-base/logging.h>
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#include <android/hardware/health/1.0/types.h>
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#include <hal_conversion.h>
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#include <health2/Health.h>
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#include <healthd/healthd.h>
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#include <hidl/HidlTransportSupport.h>
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using android::hardware::IPCThreadState;
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using android::hardware::configureRpcThreadpool;
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using android::hardware::health::V1_0::hal_conversion::convertToHealthInfo;
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using android::hardware::health::V2_0::HealthInfo;
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using android::hardware::health::V2_0::IHealth;
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using android::hardware::health::V2_0::implementation::Health;
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// see healthd_common.cpp
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android::sp<IHealth> gHealth;
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static int gBinderFd;
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extern int healthd_main(void);
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static void binder_event(uint32_t /*epevents*/) {
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IPCThreadState::self()->handlePolledCommands();
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}
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// TODO(b/67463967): healthd_board_* functions should be removed in health@2.0
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int healthd_board_battery_update(struct android::BatteryProperties*)
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{
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// return 0 to log periodic polled battery status to kernel log
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return 0;
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}
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void healthd_mode_service_2_0_init(struct healthd_config* config) {
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LOG(INFO) << LOG_TAG << " Hal is starting up...";
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// Implementation-defined init logic goes here.
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// 1. config->periodic_chores_interval_* variables
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// 2. config->battery*Path variables
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// 3. config->energyCounter. In this implementation, energyCounter is not defined.
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configureRpcThreadpool(1, false /* callerWillJoin */);
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IPCThreadState::self()->disableBackgroundScheduling(true);
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IPCThreadState::self()->setupPolling(&gBinderFd);
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if (gBinderFd >= 0) {
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if (healthd_register_event(gBinderFd, binder_event))
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LOG(ERROR) << LOG_TAG << ": Register for binder events failed";
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}
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gHealth = new ::android::hardware::health::V2_0::implementation::Health(config);
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CHECK_EQ(gHealth->registerAsService(HEALTH_INSTANCE_NAME), android::OK)
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<< LOG_TAG << ": Failed to register HAL";
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LOG(INFO) << LOG_TAG << ": Hal init done";
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}
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int healthd_mode_service_2_0_preparetowait(void) {
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IPCThreadState::self()->flushCommands();
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return -1;
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}
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void healthd_mode_service_2_0_heartbeat(void) {
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// noop
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}
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void healthd_mode_service_2_0_battery_update(struct android::BatteryProperties* prop) {
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// Implementation-defined update logic goes here. An implementation
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// can make modifications to prop before broadcasting it to all callbacks.
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HealthInfo info{};
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convertToHealthInfo(prop, info.legacy);
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static_cast<Health*>(gHealth.get())->updateAndNotify(&info);
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}
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static struct healthd_mode_ops healthd_mode_service_2_0_ops = {
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.init = healthd_mode_service_2_0_init,
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.preparetowait = healthd_mode_service_2_0_preparetowait,
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.heartbeat = healthd_mode_service_2_0_heartbeat,
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.battery_update = healthd_mode_service_2_0_battery_update,
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};
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int main() {
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healthd_mode_ops = &healthd_mode_service_2_0_ops;
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LOG(INFO) << LOG_TAG << ": Hal starting main loop...";
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return healthd_main();
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}
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