1 // 2 // Copyright (C) 2012 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_SERVICE_SORTER_H_ 18 #define SHILL_SERVICE_SORTER_H_ 19 20 #include <vector> 21 22 #include "shill/refptr_types.h" 23 #include "shill/service.h" 24 25 namespace shill { 26 27 class Manager; 28 29 // This is a closure used by the Manager for STL sorting of the 30 // Service array. We pass instances of this object to STL sort(), 31 // which in turn will call the selected function in the Manager to 32 // compare two Service objects at a time. 33 class ServiceSorter { 34 public: 35 ServiceSorter(Manager* manager, 36 bool compare_connectivity_state, 37 const std::vector<Technology::Identifier>& tech_order) 38 : manager_(manager), 39 compare_connectivity_state_(compare_connectivity_state), 40 technology_order_(tech_order) {} 41 bool operator() (ServiceRefPtr a, ServiceRefPtr b) { 42 const char* reason; 43 return Service::Compare(manager_, a, b, compare_connectivity_state_, 44 technology_order_, &reason); 45 } 46 47 private: 48 Manager* manager_; 49 const bool compare_connectivity_state_; 50 const std::vector<Technology::Identifier>& technology_order_; 51 // We can't DISALLOW_COPY_AND_ASSIGN since this is passed by value to STL 52 // sort. 53 }; 54 55 } // namespace shill 56 57 #endif // SHILL_SERVICE_SORTER_H_ 58
