1 // 2 // Copyright (C) 2013 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_DNS_CLIENT_FACTORY_H_ 18 #define SHILL_DNS_CLIENT_FACTORY_H_ 19 20 #include <string> 21 #include <vector> 22 23 #include <base/lazy_instance.h> 24 25 #include "shill/dns_client.h" 26 #include "shill/event_dispatcher.h" 27 #include "shill/net/ip_address.h" 28 29 namespace shill { 30 31 class DNSClientFactory { 32 public: 33 virtual ~DNSClientFactory(); 34 35 // This is a singleton. Use DNSClientFactory::GetInstance()->Foo(). 36 static DNSClientFactory* GetInstance(); 37 38 virtual DNSClient* CreateDNSClient( 39 IPAddress::Family family, 40 const std::string& interface_name, 41 const std::vector<std::string>& dns_servers, 42 int timeout_ms, 43 EventDispatcher* dispatcher, 44 const DNSClient::ClientCallback& callback); 45 46 protected: 47 DNSClientFactory(); 48 49 private: 50 friend struct base::DefaultLazyInstanceTraits<DNSClientFactory>; 51 52 DISALLOW_COPY_AND_ASSIGN(DNSClientFactory); 53 }; 54 55 } // namespace shill 56 57 #endif // SHILL_DNS_CLIENT_FACTORY_H_ 58
