| /** |
| * Copyright © 2021 IBM Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "dbus_sensors.hpp" |
| |
| #include <utility> |
| |
| namespace phosphor::power::regulators |
| { |
| |
| void DBusSensors::enable() |
| { |
| // Currently nothing to do here. The next monitoring cycle will set the |
| // values of all sensors, and that will set them to the enabled state. |
| } |
| |
| void DBusSensors::endCycle() |
| { |
| // Delete any sensors that were not updated during this monitoring cycle. |
| // This can happen if the hardware device producing the sensors was removed |
| // or replaced with a different version. |
| auto it = sensors.begin(); |
| while (it != sensors.end()) |
| { |
| // Increment iterator before potentially deleting the sensor. |
| // map::erase() invalidates iterators/references to the erased element. |
| auto& [sensorName, sensor] = *it; |
| ++it; |
| |
| // Check if last update time for sensor is before cycle start time |
| if (sensor->getLastUpdateTime() < cycleStartTime) |
| { |
| sensors.erase(sensorName); |
| } |
| } |
| } |
| |
| void DBusSensors::endRail(bool errorOccurred) |
| { |
| // If an error occurred, set all sensors for current rail to the error state |
| if (errorOccurred) |
| { |
| for (auto& [sensorName, sensor] : sensors) |
| { |
| if (sensor->getRail() == rail) |
| { |
| sensor->setToErrorState(); |
| } |
| } |
| } |
| |
| // Clear current rail information |
| rail.clear(); |
| deviceInventoryPath.clear(); |
| chassisInventoryPath.clear(); |
| } |
| |
| void DBusSensors::disable() |
| { |
| // Disable all sensors |
| for (auto& [sensorName, sensor] : sensors) |
| { |
| sensor->disable(); |
| } |
| } |
| |
| void DBusSensors::setValue(SensorType type, double value) |
| { |
| // Build unique sensor name based on rail and sensor type |
| std::string sensorName{rail + '_' + sensors::toString(type)}; |
| |
| // Check to see if the sensor already exists |
| auto it = sensors.find(sensorName); |
| if (it != sensors.end()) |
| { |
| // Sensor exists; update value |
| it->second->setValue(value); |
| } |
| else |
| { |
| // Sensor doesn't exist; create it and add it to the map |
| auto sensor = std::make_unique<DBusSensor>(bus, sensorName, type, value, |
| rail, deviceInventoryPath, |
| chassisInventoryPath); |
| sensors.emplace(sensorName, std::move(sensor)); |
| } |
| } |
| |
| void DBusSensors::startCycle() |
| { |
| // Store the time when this monitoring cycle started. This is used to |
| // detect sensors that were not updated during this cycle. |
| cycleStartTime = std::chrono::system_clock::now(); |
| } |
| |
| void DBusSensors::startRail(const std::string& rail, |
| const std::string& deviceInventoryPath, |
| const std::string& chassisInventoryPath) |
| { |
| // Store current rail information; used later by setValue() and endRail() |
| this->rail = rail; |
| this->deviceInventoryPath = deviceInventoryPath; |
| this->chassisInventoryPath = chassisInventoryPath; |
| } |
| |
| } // namespace phosphor::power::regulators |