1 /* 2 * Copyright (c) 2020 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 #ifndef CPP_WATCHDOG_SERVER_SRC_SERVICEMANAGER_H_ 18 #define CPP_WATCHDOG_SERVER_SRC_SERVICEMANAGER_H_ 19 20 #include "IoOveruseMonitor.h" 21 #include "WatchdogBinderMediator.h" 22 #include "WatchdogPerfService.h" 23 #include "WatchdogProcessService.h" 24 #include "WatchdogServiceHelper.h" 25 26 #include <android-base/result.h> 27 #include <utils/Looper.h> 28 #include <utils/RefBase.h> 29 #include <utils/StrongPointer.h> 30 31 namespace android { 32 namespace automotive { 33 namespace watchdog { 34 35 // Manages all the services that are run by the car watchdog daemon. 36 class ServiceManager final : virtual public android::RefBase { 37 public: ServiceManager()38 ServiceManager() : 39 mWatchdogProcessService(nullptr), 40 mWatchdogPerfService(nullptr), 41 mWatchdogBinderMediator(nullptr), 42 mWatchdogServiceHelper(nullptr), 43 mIoOveruseMonitor(nullptr) {} 44 getInstance()45 static android::sp<ServiceManager> getInstance() { 46 if (sServiceManager == nullptr) { 47 sServiceManager = android::sp<ServiceManager>::make(); 48 } 49 return sServiceManager; 50 } 51 terminate()52 static void terminate() { 53 if (sServiceManager == nullptr) { 54 return; 55 } 56 sServiceManager->terminateServices(); 57 sServiceManager.clear(); 58 } 59 60 // Starts early-init services. 61 android::base::Result<void> startServices(const android::sp<Looper>& mainLooper); 62 63 // Returns the WatchdogProcessService instance. getWatchdogProcessService()64 const android::sp<WatchdogProcessServiceInterface>& getWatchdogProcessService() { 65 return mWatchdogProcessService; 66 } 67 68 // Returns the WatchdogServiceHelper instance. getWatchdogServiceHelper()69 const android::sp<WatchdogServiceHelperInterface>& getWatchdogServiceHelper() { 70 return mWatchdogServiceHelper; 71 } 72 73 // Returns the IoOveruseMonitor instance. getIoOveruseMonitor()74 const android::sp<IoOveruseMonitorInterface>& getIoOveruseMonitor() { 75 return mIoOveruseMonitor; 76 } 77 78 private: 79 inline static android::sp<ServiceManager> sServiceManager = nullptr; 80 81 void terminateServices(); 82 android::base::Result<void> startWatchdogProcessService(const android::sp<Looper>& mainLooper); 83 android::base::Result<void> startWatchdogPerfService( 84 const sp<WatchdogServiceHelperInterface>& watchdogServiceHelper); 85 86 android::sp<WatchdogProcessServiceInterface> mWatchdogProcessService; 87 android::sp<WatchdogPerfServiceInterface> mWatchdogPerfService; 88 std::shared_ptr<WatchdogBinderMediatorInterface> mWatchdogBinderMediator; 89 android::sp<WatchdogServiceHelperInterface> mWatchdogServiceHelper; 90 android::sp<IoOveruseMonitorInterface> mIoOveruseMonitor; 91 }; 92 93 } // namespace watchdog 94 } // namespace automotive 95 } // namespace android 96 97 #endif // CPP_WATCHDOG_SERVER_SRC_SERVICEMANAGER_H_ 98