1 /* 2 // Copyright (c) 2019 Intel 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 17 #pragma once 18 19 #include <sdbusplus/bus.hpp> 20 #include <sdbusplus/bus/match.hpp> 21 #include <set> 22 23 /* 24 * DbusPassiveRedundancy monitors the fan redundancy interface via dbus match 25 * for changes. When the "Status" property changes to Failed, all sensors in 26 * the interface's "Collection" property are added to the failed member. This 27 * set can then be queried by a sensor to see if they are part of a failed 28 * redundancy collection. When this happens, they get marked as failed. 29 */ 30 31 class DbusPassiveRedundancy 32 { 33 public: 34 DbusPassiveRedundancy(sdbusplus::bus::bus& bus); 35 const std::set<std::string>& getFailed(void); 36 37 private: 38 void populateFailures(void); 39 40 sdbusplus::bus::match::match match; 41 std::set<std::string> failed; 42 sdbusplus::bus::bus& passiveBus; 43 }; 44