1 // 2 // Copyright (C) 2014 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 SHILL_NET_IO_HANDLER_FACTORY_CONTAINER_H_ 18 #define SHILL_NET_IO_HANDLER_FACTORY_CONTAINER_H_ 19 20 #include <memory> 21 22 #include <base/lazy_instance.h> 23 24 #include "shill/net/io_handler_factory.h" 25 26 namespace shill { 27 28 // By default, this container will use the IOHandlerFactory that uses 29 // libbase's FileDescriptorWatcher. The caller can implement their own 30 // IOHandlerFactory and overwrite the default using SetIOHandlerFactory. 31 class SHILL_EXPORT IOHandlerFactoryContainer { 32 public: 33 virtual ~IOHandlerFactoryContainer(); 34 35 // This is a singleton. Use IOHandlerFactoryContainer::GetInstance()->Foo(). 36 static IOHandlerFactoryContainer* GetInstance(); 37 38 // Update the default IOHandlerFactory for creating IOHandlers. This 39 // container will assume the ownership of the passed in |factory|. 40 void SetIOHandlerFactory(IOHandlerFactory* factory); 41 42 IOHandlerFactory* GetIOHandlerFactory(); 43 44 protected: 45 IOHandlerFactoryContainer(); 46 47 private: 48 friend struct base::DefaultLazyInstanceTraits<IOHandlerFactoryContainer>; 49 std::unique_ptr<IOHandlerFactory> factory_; 50 51 DISALLOW_COPY_AND_ASSIGN(IOHandlerFactoryContainer); 52 }; 53 54 } // namespace shill 55 56 #endif // SHILL_NET_IO_HANDLER_FACTORY_CONTAINER_H_ 57