James Feist | 03a02ad | 2019-02-06 12:38:50 -0800 | [diff] [blame^] | 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 | #include <boost/container/flat_map.hpp> |
| 18 | #include <iostream> |
| 19 | #include <sdbusplus/asio/connection.hpp> |
| 20 | #include <sdbusplus/asio/object_server.hpp> |
| 21 | #include <variant> |
| 22 | |
| 23 | constexpr const char* fatalLedPath = |
| 24 | "/xyz/openbmc_project/led/groups/status_critical"; |
| 25 | constexpr const char* criticalLedPath = |
| 26 | "/xyz/openbmc_project/led/groups/status_non_critical"; |
| 27 | constexpr const char* warningLedPath = |
| 28 | "/xyz/openbmc_project/led/groups/status_degraded"; |
| 29 | |
| 30 | constexpr const char* ledIface = "xyz.openbmc_project.Led.Group"; |
| 31 | constexpr const char* ledAssertProp = "Asserted"; |
| 32 | constexpr const char* ledManagerBusname = |
| 33 | "xyz.openbmc_project.LED.GroupManager"; |
| 34 | |
| 35 | std::shared_ptr<sdbusplus::asio::dbus_interface> assertedIface = nullptr; |
| 36 | |
| 37 | constexpr const bool debug = false; |
| 38 | |
| 39 | // final led state tracking |
| 40 | bool fatalState = false; |
| 41 | bool criticalState = false; |
| 42 | bool warnState = false; |
| 43 | |
| 44 | // maps of <object-path, <property, asserted>> |
| 45 | boost::container::flat_map<std::string, |
| 46 | boost::container::flat_map<std::string, bool>> |
| 47 | fatalAssertMap; |
| 48 | boost::container::flat_map<std::string, |
| 49 | boost::container::flat_map<std::string, bool>> |
| 50 | criticalAssertMap; |
| 51 | boost::container::flat_map<std::string, |
| 52 | boost::container::flat_map<std::string, bool>> |
| 53 | warningAssertMap; |
| 54 | |
| 55 | std::vector<std::string> assertedInMap( |
| 56 | const boost::container::flat_map< |
| 57 | std::string, boost::container::flat_map<std::string, bool>>& map) |
| 58 | { |
| 59 | std::vector<std::string> ret; |
| 60 | // if any of the properties are true, return true |
| 61 | for (const auto& pair : map) |
| 62 | { |
| 63 | for (const auto& item : pair.second) |
| 64 | { |
| 65 | if (item.second) |
| 66 | { |
| 67 | ret.push_back(pair.first); |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | return ret; |
| 72 | } |
| 73 | |
| 74 | void updateLedStatus(std::shared_ptr<sdbusplus::asio::connection>& conn) |
| 75 | { |
| 76 | std::vector<std::pair<std::string, std::variant<bool>>> ledsToSet; |
| 77 | |
| 78 | std::vector<std::string> assertedVector = assertedInMap(fatalAssertMap); |
| 79 | assertedIface->set_property("Fatal", assertedVector); |
| 80 | |
| 81 | bool fatal = assertedVector.size(); |
| 82 | if (fatal != fatalState) |
| 83 | { |
| 84 | fatalState = fatal; |
| 85 | ledsToSet.push_back(std::make_pair(fatalLedPath, fatalState)); |
| 86 | } |
| 87 | |
| 88 | assertedVector = assertedInMap(criticalAssertMap); |
| 89 | assertedIface->set_property("Critical", assertedVector); |
| 90 | |
| 91 | bool critical = assertedVector.size(); |
| 92 | if (critical != criticalState) |
| 93 | { |
| 94 | criticalState = critical; |
| 95 | ledsToSet.push_back(std::make_pair(criticalLedPath, criticalState)); |
| 96 | } |
| 97 | |
| 98 | assertedVector = assertedInMap(warningAssertMap); |
| 99 | assertedIface->set_property("Warning", assertedVector); |
| 100 | |
| 101 | bool warn = assertedVector.size(); |
| 102 | if (warn != warnState) |
| 103 | { |
| 104 | warnState = warn; |
| 105 | ledsToSet.push_back(std::make_pair(warningLedPath, warnState)); |
| 106 | } |
| 107 | |
| 108 | for (const auto& ledPair : ledsToSet) |
| 109 | { |
| 110 | conn->async_method_call( |
| 111 | [ledPair](const boost::system::error_code ec) { |
| 112 | if (ec) |
| 113 | { |
| 114 | std::cerr << "Cannot set " << ledPair.first << " to " |
| 115 | << std::boolalpha |
| 116 | << std::get<bool>(ledPair.second) << "\n"; |
| 117 | } |
| 118 | if constexpr (debug) |
| 119 | { |
| 120 | std::cerr << "Set " << ledPair.first << " to " |
| 121 | << std::boolalpha |
| 122 | << std::get<bool>(ledPair.second) << "\n"; |
| 123 | } |
| 124 | }, |
| 125 | ledManagerBusname, ledPair.first, "org.freedesktop.DBus.Properties", |
| 126 | "Set", ledIface, ledAssertProp, ledPair.second); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | void createThresholdMatch(std::shared_ptr<sdbusplus::asio::connection>& conn) |
| 131 | { |
| 132 | static std::unique_ptr<sdbusplus::bus::match::match> match = nullptr; |
| 133 | |
| 134 | std::function<void(sdbusplus::message::message&)> thresholdCallback = |
| 135 | [&conn](sdbusplus::message::message& message) { |
| 136 | std::string objectName; |
| 137 | boost::container::flat_map<std::string, std::variant<bool>> values; |
| 138 | message.read(objectName, values); |
| 139 | |
| 140 | if constexpr (debug) |
| 141 | { |
| 142 | std::cerr << "Threshold callback " << message.get_path() |
| 143 | << "\n"; |
| 144 | } |
| 145 | |
| 146 | auto findCriticalLow = values.find("CriticalAlarmLow"); |
| 147 | auto findCriticalHigh = values.find("CriticalAlarmHigh"); |
| 148 | |
| 149 | auto findWarnLow = values.find("WarningAlarmLow"); |
| 150 | auto findWarnHigh = values.find("WarningAlarmHigh"); |
| 151 | |
| 152 | if (findCriticalLow != values.end()) |
| 153 | { |
| 154 | criticalAssertMap[message.get_path()]["Low"] = |
| 155 | std::get<bool>(findCriticalLow->second); |
| 156 | } |
| 157 | if (findCriticalHigh != values.end()) |
| 158 | { |
| 159 | criticalAssertMap[message.get_path()]["High"] = |
| 160 | std::get<bool>(findCriticalHigh->second); |
| 161 | } |
| 162 | if (findWarnLow != values.end()) |
| 163 | { |
| 164 | warningAssertMap[message.get_path()]["Low"] = |
| 165 | std::get<bool>(findWarnLow->second); |
| 166 | } |
| 167 | if (findWarnHigh != values.end()) |
| 168 | { |
| 169 | warningAssertMap[message.get_path()]["High"] = |
| 170 | std::get<bool>(findWarnHigh->second); |
| 171 | } |
| 172 | updateLedStatus(conn); |
| 173 | }; |
| 174 | |
| 175 | match = std::make_unique<sdbusplus::bus::match::match>( |
| 176 | static_cast<sdbusplus::bus::bus&>(*conn), |
| 177 | "type='signal',interface='org.freedesktop.DBus.Properties',path_" |
| 178 | "namespace='/xyz/openbmc_project/" |
| 179 | "sensors',arg0namespace='xyz.openbmc_project.Sensor.Threshold'", |
| 180 | thresholdCallback); |
| 181 | } |
| 182 | |
| 183 | int main(int argc, char** argv) |
| 184 | { |
| 185 | boost::asio::io_service io; |
| 186 | auto conn = std::make_shared<sdbusplus::asio::connection>(io); |
| 187 | conn->request_name("xyz.openbmc_project.CallbackManager"); |
| 188 | sdbusplus::asio::object_server objServer(conn); |
| 189 | assertedIface = |
| 190 | objServer.add_interface("/xyz/openbmc_project/CallbackManager", |
| 191 | "xyz.openbmc_project.CallbackManager"); |
| 192 | assertedIface->register_property("Warning", std::vector<std::string>()); |
| 193 | assertedIface->register_property("Critical", std::vector<std::string>()); |
| 194 | assertedIface->register_property("Fatal", std::vector<std::string>()); |
| 195 | assertedIface->initialize(); |
| 196 | |
| 197 | createThresholdMatch(conn); |
| 198 | |
| 199 | io.run(); |
| 200 | |
| 201 | return 0; |
| 202 | } |