1 /* 2 * Copyright 2017 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 17 #define LOG_TAG "health (at) 2.0/" 18 #include <android-base/logging.h> 19 20 #include <android/hardware/health/1.0/types.h> 21 #include <hal_conversion.h> 22 #include <health2/Health.h> 23 #include <health2/service.h> 24 #include <healthd/healthd.h> 25 #include <hidl/HidlTransportSupport.h> 26 27 using android::hardware::IPCThreadState; 28 using android::hardware::configureRpcThreadpool; 29 using android::hardware::handleTransportPoll; 30 using android::hardware::setupTransportPolling; 31 using android::hardware::health::V2_0::HealthInfo; 32 using android::hardware::health::V1_0::hal_conversion::convertToHealthInfo; 33 using android::hardware::health::V2_0::IHealth; 34 using android::hardware::health::V2_0::implementation::Health; 35 36 extern int healthd_main(void); 37 38 static int gBinderFd = -1; 39 static std::string gInstanceName; 40 41 static void binder_event(uint32_t /*epevents*/) { 42 if (gBinderFd >= 0) handleTransportPoll(gBinderFd); 43 } 44 45 void healthd_mode_service_2_0_init(struct healthd_config* config) { 46 LOG(INFO) << LOG_TAG << gInstanceName << " Hal is starting up..."; 47 48 gBinderFd = setupTransportPolling(); 49 50 if (gBinderFd >= 0) { 51 if (healthd_register_event(gBinderFd, binder_event)) 52 LOG(ERROR) << LOG_TAG << gInstanceName << ": Register for binder events failed"; 53 } 54 55 android::sp<IHealth> service = Health::initInstance(config); 56 CHECK_EQ(service->registerAsService(gInstanceName), android::OK) 57 << LOG_TAG << gInstanceName << ": Failed to register HAL"; 58 59 LOG(INFO) << LOG_TAG << gInstanceName << ": Hal init done"; 60 } 61 62 int healthd_mode_service_2_0_preparetowait(void) { 63 IPCThreadState::self()->flushCommands(); 64 return -1; 65 } 66 67 void healthd_mode_service_2_0_heartbeat(void) { 68 // noop 69 } 70 71 void healthd_mode_service_2_0_battery_update(struct android::BatteryProperties* prop) { 72 HealthInfo info; 73 convertToHealthInfo(prop, info.legacy); 74 Health::getImplementation()->notifyListeners(&info); 75 } 76 77 static struct healthd_mode_ops healthd_mode_service_2_0_ops = { 78 .init = healthd_mode_service_2_0_init, 79 .preparetowait = healthd_mode_service_2_0_preparetowait, 80 .heartbeat = healthd_mode_service_2_0_heartbeat, 81 .battery_update = healthd_mode_service_2_0_battery_update, 82 }; 83 84 int health_service_main(const char* instance) { 85 gInstanceName = instance; 86 if (gInstanceName.empty()) { 87 gInstanceName = "default"; 88 } 89 healthd_mode_ops = &healthd_mode_service_2_0_ops; 90 LOG(INFO) << LOG_TAG << gInstanceName << ": Hal starting main loop..."; 91 return healthd_main(); 92 } 93