1 /* 2 * Copyright (C) 2019 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 #pragma once 18 19 #include <memory> 20 #include <vector> 21 22 #include "service.h" 23 24 namespace android { 25 namespace init { 26 27 class ServiceList { 28 public: 29 static ServiceList& GetInstance(); 30 31 // Exposed for testing 32 ServiceList(); 33 size_t CheckAllCommands(); 34 35 void AddService(std::unique_ptr<Service> service); 36 void RemoveService(const Service& svc); 37 template <class UnaryPredicate> RemoveServiceIf(UnaryPredicate predicate)38 void RemoveServiceIf(UnaryPredicate predicate) { 39 services_.erase(std::remove_if(services_.begin(), services_.end(), predicate), 40 services_.end()); 41 } 42 43 template <typename T, typename F = decltype(&Service::name)> 44 Service* FindService(T value, F function = &Service::name) const { 45 auto svc = std::find_if(services_.begin(), services_.end(), 46 [&function, &value](const std::unique_ptr<Service>& s) { 47 return std::invoke(function, s) == value; 48 }); 49 if (svc != services_.end()) { 50 return svc->get(); 51 } 52 return nullptr; 53 } 54 FindInterface(const std::string & interface_name)55 Service* FindInterface(const std::string& interface_name) { 56 for (const auto& svc : services_) { 57 if (svc->interfaces().count(interface_name) > 0) { 58 return svc.get(); 59 } 60 } 61 62 return nullptr; 63 } 64 65 void DumpState() const; 66 begin()67 auto begin() const { return services_.begin(); } end()68 auto end() const { return services_.end(); } 69 const std::vector<Service*> services_in_shutdown_order() const; 70 71 void MarkPostData(); 72 bool IsPostData(); 73 void MarkServicesUpdate(); IsServicesUpdated()74 bool IsServicesUpdated() const { return services_update_finished_; } 75 void DelayService(const Service& service); 76 ResetState()77 void ResetState() { 78 post_data_ = false; 79 services_update_finished_ = false; 80 } 81 82 private: 83 std::vector<std::unique_ptr<Service>> services_; 84 85 bool post_data_ = false; 86 bool services_update_finished_ = false; 87 std::vector<std::string> delayed_service_names_; 88 }; 89 90 } // namespace init 91 } // namespace android 92