blob: 1fd2aedb0100f84209e94c5848a80199c6a510e9 [file] [log] [blame]
/*
// Copyright (c) 2019 Intel 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.
*/
#pragma once
#include <sdbusplus/bus.hpp>
#include <sdbusplus/bus/match.hpp>
#include <set>
namespace pid_control
{
/*
* DbusPassiveRedundancy monitors the fan redundancy interface via dbus match
* for changes. When the "Status" property changes to Failed, all sensors in
* the interface's "Collection" property are added to the failed member. This
* set can then be queried by a sensor to see if they are part of a failed
* redundancy collection. When this happens, they get marked as failed.
*/
class DbusPassiveRedundancy
{
public:
explicit DbusPassiveRedundancy(sdbusplus::bus_t& bus);
const std::set<std::string>& getFailed(void);
private:
void populateFailures(void);
sdbusplus::bus::match_t match;
std::set<std::string> failed;
sdbusplus::bus_t& passiveBus;
};
} // namespace pid_control