1 /** 2 * Copyright 2021 Huawei Technologies Co., Ltd 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 MINDSPORE_CCSRC_PS_CORE_FILE_CONFIGURATION_H_ 18 #define MINDSPORE_CCSRC_PS_CORE_FILE_CONFIGURATION_H_ 19 20 #include <atomic> 21 #include <cstdlib> 22 #include <iostream> 23 #include <memory> 24 #include <string> 25 #include <vector> 26 #include <thread> 27 #include <mutex> 28 #include <unordered_map> 29 30 #include "utils/hash_map.h" 31 #include "include/common/utils/json_operation_utils.h" 32 #include "include/backend/distributed/ps/constants.h" 33 #include "utils/log_adapter.h" 34 #include "ps/core/comm_util.h" 35 #include "ps/core/configuration.h" 36 37 namespace mindspore { 38 namespace ps { 39 namespace core { 40 // File storage persistent information. 41 // for example 42 //{ 43 // "scheduler_ip": "127.0.0.1", 44 // "scheduler_port": 1, 45 // "worker_num": 8, 46 // "server_num": 16, 47 // "total_node_num": 16 48 //} 49 class FileConfiguration : public Configuration { 50 public: FileConfiguration(const std::string & path)51 explicit FileConfiguration(const std::string &path) : file_path_(path), is_initialized_(false) {} 52 ~FileConfiguration() = default; 53 54 bool Initialize() override; 55 56 bool IsInitialized() const override; 57 58 std::string Get(const std::string &key, const std::string &defaultvalue) const override; 59 60 std::string GetString(const std::string &key, const std::string &defaultvalue) const override; 61 62 std::vector<nlohmann::json> GetVector(const std::string &key) const override; 63 64 int64_t GetInt(const std::string &key, int64_t default_value) const override; 65 66 template <typename T> GetValue(const std::string & key)67 T GetValue(const std::string &key) const { 68 if (!js.contains(key)) { 69 MS_LOG(EXCEPTION) << "The key:" << key << " is not exist."; 70 } 71 72 return GetJsonValue<T>(js, key); 73 } 74 75 void Put(const std::string &key, const std::string &value) override; 76 77 template <typename T> PutValue(const std::string & key,const T & value)78 void PutValue(const std::string &key, const T &value) { 79 std::ofstream output_file(file_path_); 80 js[key] = value; 81 output_file << js.dump(); 82 output_file.close(); 83 } 84 85 bool Exists(const std::string &key) const override; 86 87 void PersistFile(const core::ClusterConfig &clusterConfig) const override; 88 89 void PersistNodes(const core::ClusterConfig &clusterConfig) const override; 90 91 std::string file_path() const override; 92 93 private: 94 // The path of the configuration file. 95 std::string file_path_; 96 97 nlohmann::json js; 98 99 std::atomic<bool> is_initialized_; 100 }; 101 } // namespace core 102 } // namespace ps 103 } // namespace mindspore 104 #endif // MINDSPORE_CCSRC_PS_CORE_FILE_CONFIGURATION_H_ 105