1 // Copyright (C) 2021 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 17 #include <list> 18 #include <string> 19 #include <unordered_map> 20 #include <variant> 21 #include <vector> 22 23 namespace dittosuite { 24 25 class SharedVariables { 26 public: 27 typedef std::variant<int, std::string, std::vector<std::string>> Variant; 28 29 static int GetKey(const std::list<int>& thread_ids, const std::string& variable_name); 30 static Variant Get(int key); 31 static Variant Get(const std::list<int>& thread_ids, const std::string& variable_name); 32 static void Set(int key, const Variant& value); 33 static void Set(const std::list<int>& thread_ids, const std::string& variable_name, 34 const Variant& value); 35 static void ClearKeys(); 36 37 private: 38 static std::vector<Variant> variables_; 39 static std::unordered_map<int, std::unordered_map<std::string, int>> keys_; 40 }; 41 42 } // namespace dittosuite 43