1 /** 2 * Copyright © 2020 IBM Corporation 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 #include "config.h" 17 18 #include "system.hpp" 19 20 #include "fan.hpp" 21 #include "fan_defs.hpp" 22 #include "tach_sensor.hpp" 23 #include "trust_manager.hpp" 24 #include "types.hpp" 25 #ifdef MONITOR_USE_JSON 26 #include "json_parser.hpp" 27 #endif 28 29 #include <nlohmann/json.hpp> 30 #include <sdbusplus/bus.hpp> 31 #include <sdeventplus/event.hpp> 32 33 namespace phosphor::fan::monitor 34 { 35 36 using json = nlohmann::json; 37 38 System::System(Mode mode, sdbusplus::bus::bus& bus, 39 const sdeventplus::Event& event) : 40 _mode(mode), 41 _bus(bus), _event(event) 42 { 43 json jsonObj = json::object(); 44 #ifdef MONITOR_USE_JSON 45 jsonObj = getJsonObj(bus); 46 #endif 47 // Retrieve and set trust groups within the trust manager 48 _trust = std::make_unique<trust::Manager>(getTrustGroups(jsonObj)); 49 50 // Retrieve fan definitions and create fan objects to be monitored 51 for (const auto& fanDef : getFanDefinitions(jsonObj)) 52 { 53 // Check if a condition exists on the fan 54 auto condition = std::get<conditionField>(fanDef); 55 if (condition) 56 { 57 // Condition exists, skip adding fan if it fails 58 if (!(*condition)(bus)) 59 { 60 continue; 61 } 62 } 63 _fans.emplace_back( 64 std::make_unique<Fan>(mode, bus, event, _trust, fanDef)); 65 } 66 } 67 68 const std::vector<CreateGroupFunction> 69 System::getTrustGroups(const json& jsonObj) 70 { 71 #ifdef MONITOR_USE_JSON 72 return getTrustGrps(jsonObj); 73 #else 74 return trustGroups; 75 #endif 76 } 77 78 const std::vector<FanDefinition> System::getFanDefinitions(const json& jsonObj) 79 { 80 #ifdef MONITOR_USE_JSON 81 return getFanDefs(jsonObj); 82 #else 83 return fanDefinitions; 84 #endif 85 } 86 87 } // namespace phosphor::fan::monitor 88