16714a25aSJames Feist /* 26714a25aSJames Feist // Copyright (c) 2017 Intel Corporation 36714a25aSJames Feist // 46714a25aSJames Feist // Licensed under the Apache License, Version 2.0 (the "License"); 56714a25aSJames Feist // you may not use this file except in compliance with the License. 66714a25aSJames Feist // You may obtain a copy of the License at 76714a25aSJames Feist // 86714a25aSJames Feist // http://www.apache.org/licenses/LICENSE-2.0 96714a25aSJames Feist // 106714a25aSJames Feist // Unless required by applicable law or agreed to in writing, software 116714a25aSJames Feist // distributed under the License is distributed on an "AS IS" BASIS, 126714a25aSJames Feist // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 136714a25aSJames Feist // See the License for the specific language governing permissions and 146714a25aSJames Feist // limitations under the License. 156714a25aSJames Feist */ 166714a25aSJames Feist 178a57ec09SEd Tanous #include <HwmonTempSensor.hpp> 188a57ec09SEd Tanous #include <Utils.hpp> 196714a25aSJames Feist #include <boost/algorithm/string/predicate.hpp> 206714a25aSJames Feist #include <boost/algorithm/string/replace.hpp> 2196e97db7SPatrick Venture #include <boost/container/flat_map.hpp> 226714a25aSJames Feist #include <boost/container/flat_set.hpp> 2338fb5983SJames Feist #include <sdbusplus/asio/connection.hpp> 2438fb5983SJames Feist #include <sdbusplus/asio/object_server.hpp> 2538fb5983SJames Feist #include <sdbusplus/bus/match.hpp> 2638fb5983SJames Feist 2738fb5983SJames Feist #include <array> 2824f02f24SJames Feist #include <filesystem> 296714a25aSJames Feist #include <fstream> 3096e97db7SPatrick Venture #include <functional> 3196e97db7SPatrick Venture #include <memory> 326714a25aSJames Feist #include <regex> 3396e97db7SPatrick Venture #include <stdexcept> 3496e97db7SPatrick Venture #include <string> 3596e97db7SPatrick Venture #include <utility> 3696e97db7SPatrick Venture #include <variant> 3796e97db7SPatrick Venture #include <vector> 386714a25aSJames Feist 398a57ec09SEd Tanous static constexpr bool debug = false; 4087bc67f7SJeff Lin static constexpr float pollRateDefault = 0.5; 416714a25aSJames Feist 42cf3bce6eSJames Feist namespace fs = std::filesystem; 43*5a3b3f8aSKonstantin Aladyshev static constexpr std::array<const char*, 15> sensorTypes = { 44381636e2SGilbert Chen "xyz.openbmc_project.Configuration.EMC1412", 458b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.EMC1413", 46381636e2SGilbert Chen "xyz.openbmc_project.Configuration.EMC1414", 478b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.MAX31725", 488b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.MAX31730", 4916e7af1dSJason Ling "xyz.openbmc_project.Configuration.MAX6581", 503840d0adSJosh Lehan "xyz.openbmc_project.Configuration.MAX6654", 518fb0a013SJosh Lehan "xyz.openbmc_project.Configuration.SBTSI", 52*5a3b3f8aSKonstantin Aladyshev "xyz.openbmc_project.Configuration.LM95234", 5355ab2afbSJohn Wang "xyz.openbmc_project.Configuration.TMP112", 543546adb9SPatrick Venture "xyz.openbmc_project.Configuration.TMP175", 558b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP421", 568b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP441", 5734fc75a7SKonstantin Aladyshev "xyz.openbmc_project.Configuration.LM75A", 588b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP75"}; 596714a25aSJames Feist 606714a25aSJames Feist void createSensors( 616714a25aSJames Feist boost::asio::io_service& io, sdbusplus::asio::object_server& objectServer, 62f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>>& 636714a25aSJames Feist sensors, 646714a25aSJames Feist std::shared_ptr<sdbusplus::asio::connection>& dbusConnection, 655591cf08SJames Feist const std::shared_ptr<boost::container::flat_set<std::string>>& 666714a25aSJames Feist sensorsChanged) 676714a25aSJames Feist { 68df515159SJames Feist auto getter = std::make_shared<GetSensorConfiguration>( 69df515159SJames Feist dbusConnection, 70df515159SJames Feist std::move([&io, &objectServer, &sensors, &dbusConnection, 715591cf08SJames Feist sensorsChanged]( 72df515159SJames Feist const ManagedObjectType& sensorConfigurations) { 736714a25aSJames Feist bool firstScan = sensorsChanged == nullptr; 74df515159SJames Feist 756714a25aSJames Feist std::vector<fs::path> paths; 76df515159SJames Feist if (!findFiles(fs::path("/sys/class/hwmon"), R"(temp\d+_input)", 77df515159SJames Feist paths)) 786714a25aSJames Feist { 796714a25aSJames Feist std::cerr << "No temperature sensors in system\n"; 806714a25aSJames Feist return; 816714a25aSJames Feist } 826714a25aSJames Feist 8337266ca9SJames Feist boost::container::flat_set<std::string> directories; 8437266ca9SJames Feist 85df515159SJames Feist // iterate through all found temp sensors, and try to match them 86df515159SJames Feist // with configuration 876714a25aSJames Feist for (auto& path : paths) 886714a25aSJames Feist { 896714a25aSJames Feist std::smatch match; 9037266ca9SJames Feist const std::string& pathStr = path.string(); 916714a25aSJames Feist auto directory = path.parent_path(); 926714a25aSJames Feist 9337266ca9SJames Feist auto ret = directories.insert(directory.string()); 9437266ca9SJames Feist if (!ret.second) 956714a25aSJames Feist { 9637266ca9SJames Feist continue; // already searched this path 9737266ca9SJames Feist } 9837266ca9SJames Feist 99b6c0b914SJames Feist fs::path device = directory / "device"; 10037266ca9SJames Feist std::string deviceName = fs::canonical(device).stem(); 1018a57ec09SEd Tanous auto findHyphen = deviceName.find('-'); 10237266ca9SJames Feist if (findHyphen == std::string::npos) 10337266ca9SJames Feist { 10437266ca9SJames Feist std::cerr << "found bad device " << deviceName << "\n"; 1056714a25aSJames Feist continue; 1066714a25aSJames Feist } 10737266ca9SJames Feist std::string busStr = deviceName.substr(0, findHyphen); 10837266ca9SJames Feist std::string addrStr = deviceName.substr(findHyphen + 1); 10937266ca9SJames Feist 11037266ca9SJames Feist size_t bus = 0; 11137266ca9SJames Feist size_t addr = 0; 11237266ca9SJames Feist try 1136714a25aSJames Feist { 11437266ca9SJames Feist bus = std::stoi(busStr); 1158a57ec09SEd Tanous addr = std::stoi(addrStr, nullptr, 16); 11637266ca9SJames Feist } 117b6c0b914SJames Feist catch (std::invalid_argument&) 11837266ca9SJames Feist { 1196714a25aSJames Feist continue; 1206714a25aSJames Feist } 1216714a25aSJames Feist const SensorData* sensorData = nullptr; 1226714a25aSJames Feist const std::string* interfacePath = nullptr; 12337266ca9SJames Feist const char* sensorType = nullptr; 1248b3f7d40SAlex Qiu const SensorBaseConfiguration* baseConfiguration = nullptr; 1258b3f7d40SAlex Qiu const SensorBaseConfigMap* baseConfigMap = nullptr; 12637266ca9SJames Feist 127df515159SJames Feist for (const std::pair<sdbusplus::message::object_path, 128df515159SJames Feist SensorData>& sensor : sensorConfigurations) 12937266ca9SJames Feist { 13037266ca9SJames Feist sensorData = &(sensor.second); 1319ced0a38SJae Hyun Yoo for (const char* type : sensorTypes) 1326714a25aSJames Feist { 1336714a25aSJames Feist auto sensorBase = sensorData->find(type); 1346714a25aSJames Feist if (sensorBase != sensorData->end()) 1356714a25aSJames Feist { 1366714a25aSJames Feist baseConfiguration = &(*sensorBase); 1376714a25aSJames Feist sensorType = type; 1386714a25aSJames Feist break; 1396714a25aSJames Feist } 1406714a25aSJames Feist } 1416714a25aSJames Feist if (baseConfiguration == nullptr) 1426714a25aSJames Feist { 14337266ca9SJames Feist std::cerr << "error finding base configuration for " 14437266ca9SJames Feist << deviceName << "\n"; 14537266ca9SJames Feist continue; 14637266ca9SJames Feist } 1478b3f7d40SAlex Qiu baseConfigMap = &baseConfiguration->second; 1488b3f7d40SAlex Qiu auto configurationBus = baseConfigMap->find("Bus"); 1498b3f7d40SAlex Qiu auto configurationAddress = baseConfigMap->find("Address"); 15037266ca9SJames Feist 1518b3f7d40SAlex Qiu if (configurationBus == baseConfigMap->end() || 1528b3f7d40SAlex Qiu configurationAddress == baseConfigMap->end()) 15337266ca9SJames Feist { 1548b3f7d40SAlex Qiu std::cerr << "error finding bus or address in " 1558b3f7d40SAlex Qiu "configuration\n"; 15637266ca9SJames Feist continue; 15737266ca9SJames Feist } 15837266ca9SJames Feist 1593eb82629SJames Feist if (std::get<uint64_t>(configurationBus->second) != bus || 160df515159SJames Feist std::get<uint64_t>(configurationAddress->second) != 161df515159SJames Feist addr) 16237266ca9SJames Feist { 16337266ca9SJames Feist continue; 16437266ca9SJames Feist } 16537266ca9SJames Feist 16637266ca9SJames Feist interfacePath = &(sensor.first.str); 16737266ca9SJames Feist break; 16837266ca9SJames Feist } 16937266ca9SJames Feist if (interfacePath == nullptr) 17037266ca9SJames Feist { 171df515159SJames Feist std::cerr << "failed to find match for " << deviceName 172df515159SJames Feist << "\n"; 1736714a25aSJames Feist continue; 1746714a25aSJames Feist } 1756714a25aSJames Feist 1768b3f7d40SAlex Qiu auto findSensorName = baseConfigMap->find("Name"); 1778b3f7d40SAlex Qiu if (findSensorName == baseConfigMap->end()) 1786714a25aSJames Feist { 1796714a25aSJames Feist std::cerr << "could not determine configuration name for " 18037266ca9SJames Feist << deviceName << "\n"; 1816714a25aSJames Feist continue; 1826714a25aSJames Feist } 183df515159SJames Feist std::string sensorName = 184df515159SJames Feist std::get<std::string>(findSensorName->second); 1856714a25aSJames Feist // on rescans, only update sensors we were signaled by 1866714a25aSJames Feist auto findSensor = sensors.find(sensorName); 1876714a25aSJames Feist if (!firstScan && findSensor != sensors.end()) 1886714a25aSJames Feist { 1896714a25aSJames Feist bool found = false; 190df515159SJames Feist for (auto it = sensorsChanged->begin(); 191df515159SJames Feist it != sensorsChanged->end(); it++) 1926714a25aSJames Feist { 1936714a25aSJames Feist if (boost::ends_with(*it, findSensor->second->name)) 1946714a25aSJames Feist { 1956714a25aSJames Feist sensorsChanged->erase(it); 1966714a25aSJames Feist findSensor->second = nullptr; 1976714a25aSJames Feist found = true; 1986714a25aSJames Feist break; 1996714a25aSJames Feist } 2006714a25aSJames Feist } 2016714a25aSJames Feist if (!found) 2026714a25aSJames Feist { 2036714a25aSJames Feist continue; 2046714a25aSJames Feist } 2056714a25aSJames Feist } 2066714a25aSJames Feist std::vector<thresholds::Threshold> sensorThresholds; 2079ced0a38SJae Hyun Yoo if (!parseThresholdsFromConfig(*sensorData, sensorThresholds)) 2086714a25aSJames Feist { 209df515159SJames Feist std::cerr << "error populating thresholds for " 210df515159SJames Feist << sensorName << "\n"; 2116714a25aSJames Feist } 21287bc67f7SJeff Lin 21387bc67f7SJeff Lin auto findPollRate = baseConfiguration->second.find("PollRate"); 21487bc67f7SJeff Lin float pollRate = pollRateDefault; 21587bc67f7SJeff Lin if (findPollRate != baseConfiguration->second.end()) 21687bc67f7SJeff Lin { 21787bc67f7SJeff Lin pollRate = std::visit(VariantToFloatVisitor(), 21887bc67f7SJeff Lin findPollRate->second); 21987bc67f7SJeff Lin if (pollRate <= 0.0f) 22087bc67f7SJeff Lin { 22187bc67f7SJeff Lin pollRate = pollRateDefault; // polling time too short 22287bc67f7SJeff Lin } 22387bc67f7SJeff Lin } 22487bc67f7SJeff Lin 225f9b01b6dSJames Feist auto findPowerOn = baseConfiguration->second.find("PowerState"); 226f9b01b6dSJames Feist PowerState readState = PowerState::always; 227f9b01b6dSJames Feist if (findPowerOn != baseConfiguration->second.end()) 228f9b01b6dSJames Feist { 229f9b01b6dSJames Feist std::string powerState = std::visit( 230f9b01b6dSJames Feist VariantToStringVisitor(), findPowerOn->second); 231f9b01b6dSJames Feist setReadState(powerState, readState); 232f9b01b6dSJames Feist } 233100c20bfSJason Ling 234100c20bfSJason Ling auto permitSet = getPermitSet(*baseConfigMap); 2358b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 2368b3f7d40SAlex Qiu sensor = nullptr; 237100c20bfSJason Ling auto hwmonFile = getFullHwmonFilePath(directory.string(), 238100c20bfSJason Ling "temp1", permitSet); 239100c20bfSJason Ling if (hwmonFile) 240100c20bfSJason Ling { 241f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 242100c20bfSJason Ling *hwmonFile, sensorType, objectServer, dbusConnection, 24387bc67f7SJeff Lin io, sensorName, std::move(sensorThresholds), pollRate, 244100c20bfSJason Ling *interfacePath, readState); 245f3fd1915SYong Li sensor->setupRead(); 246100c20bfSJason Ling } 2478b3f7d40SAlex Qiu // Looking for keys like "Name1" for temp2_input, 2488b3f7d40SAlex Qiu // "Name2" for temp3_input, etc. 2498b3f7d40SAlex Qiu int i = 0; 2508b3f7d40SAlex Qiu while (true) 25137266ca9SJames Feist { 2528b3f7d40SAlex Qiu ++i; 2538b3f7d40SAlex Qiu auto findKey = 2548b8bcc87SJason Ling baseConfigMap->find("Name" + std::to_string(i)); 2558b3f7d40SAlex Qiu if (findKey == baseConfigMap->end()) 2568b3f7d40SAlex Qiu { 2578b3f7d40SAlex Qiu break; 25837266ca9SJames Feist } 2598b3f7d40SAlex Qiu std::string sensorName = 2608b3f7d40SAlex Qiu std::get<std::string>(findKey->second); 261100c20bfSJason Ling hwmonFile = getFullHwmonFilePath( 262100c20bfSJason Ling directory.string(), "temp" + std::to_string(i + 1), 263100c20bfSJason Ling permitSet); 264100c20bfSJason Ling if (hwmonFile) 265100c20bfSJason Ling { 2668b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 2678b3f7d40SAlex Qiu sensor = nullptr; 268f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 269100c20bfSJason Ling *hwmonFile, sensorType, objectServer, 270100c20bfSJason Ling dbusConnection, io, sensorName, 27187bc67f7SJeff Lin std::vector<thresholds::Threshold>(), pollRate, 272f9b01b6dSJames Feist *interfacePath, readState); 273f3fd1915SYong Li sensor->setupRead(); 2748b3f7d40SAlex Qiu } 2756714a25aSJames Feist } 276100c20bfSJason Ling } 277df515159SJames Feist })); 278df515159SJames Feist getter->getConfiguration( 279df515159SJames Feist std::vector<std::string>(sensorTypes.begin(), sensorTypes.end())); 2806714a25aSJames Feist } 2816714a25aSJames Feist 282b6c0b914SJames Feist int main() 2836714a25aSJames Feist { 2846714a25aSJames Feist boost::asio::io_service io; 2856714a25aSJames Feist auto systemBus = std::make_shared<sdbusplus::asio::connection>(io); 2866714a25aSJames Feist systemBus->request_name("xyz.openbmc_project.HwmonTempSensor"); 2876714a25aSJames Feist sdbusplus::asio::object_server objectServer(systemBus); 288f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>> 2896714a25aSJames Feist sensors; 2906714a25aSJames Feist std::vector<std::unique_ptr<sdbusplus::bus::match::match>> matches; 2915591cf08SJames Feist auto sensorsChanged = 2925591cf08SJames Feist std::make_shared<boost::container::flat_set<std::string>>(); 2936714a25aSJames Feist 2946714a25aSJames Feist io.post([&]() { 2956714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, nullptr); 2966714a25aSJames Feist }); 2976714a25aSJames Feist 2986714a25aSJames Feist boost::asio::deadline_timer filterTimer(io); 2996714a25aSJames Feist std::function<void(sdbusplus::message::message&)> eventHandler = 3006714a25aSJames Feist [&](sdbusplus::message::message& message) { 3016714a25aSJames Feist if (message.is_method_error()) 3026714a25aSJames Feist { 3036714a25aSJames Feist std::cerr << "callback method error\n"; 3046714a25aSJames Feist return; 3056714a25aSJames Feist } 3066714a25aSJames Feist sensorsChanged->insert(message.get_path()); 3076714a25aSJames Feist // this implicitly cancels the timer 3086714a25aSJames Feist filterTimer.expires_from_now(boost::posix_time::seconds(1)); 3096714a25aSJames Feist 3106714a25aSJames Feist filterTimer.async_wait([&](const boost::system::error_code& ec) { 3116714a25aSJames Feist if (ec == boost::asio::error::operation_aborted) 3126714a25aSJames Feist { 3136714a25aSJames Feist /* we were canceled*/ 3146714a25aSJames Feist return; 3156714a25aSJames Feist } 3168a57ec09SEd Tanous if (ec) 3176714a25aSJames Feist { 3186714a25aSJames Feist std::cerr << "timer error\n"; 3196714a25aSJames Feist return; 3206714a25aSJames Feist } 3216714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, 3226714a25aSJames Feist sensorsChanged); 3236714a25aSJames Feist }); 3246714a25aSJames Feist }; 3256714a25aSJames Feist 3269ced0a38SJae Hyun Yoo for (const char* type : sensorTypes) 3276714a25aSJames Feist { 3286714a25aSJames Feist auto match = std::make_unique<sdbusplus::bus::match::match>( 3296714a25aSJames Feist static_cast<sdbusplus::bus::bus&>(*systemBus), 3306714a25aSJames Feist "type='signal',member='PropertiesChanged',path_namespace='" + 3319ced0a38SJae Hyun Yoo std::string(inventoryPath) + "',arg0namespace='" + type + "'", 3326714a25aSJames Feist eventHandler); 3336714a25aSJames Feist matches.emplace_back(std::move(match)); 3346714a25aSJames Feist } 3356714a25aSJames Feist 3366714a25aSJames Feist io.run(); 3376714a25aSJames Feist } 338