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 17ca44b2f3SPatrick Venture #include "HwmonTempSensor.hpp" 18ca44b2f3SPatrick Venture #include "Utils.hpp" 19ca44b2f3SPatrick Venture 206714a25aSJames Feist #include <boost/algorithm/string/predicate.hpp> 216714a25aSJames Feist #include <boost/algorithm/string/replace.hpp> 2296e97db7SPatrick Venture #include <boost/container/flat_map.hpp> 236714a25aSJames Feist #include <boost/container/flat_set.hpp> 2438fb5983SJames Feist #include <sdbusplus/asio/connection.hpp> 2538fb5983SJames Feist #include <sdbusplus/asio/object_server.hpp> 2638fb5983SJames Feist #include <sdbusplus/bus/match.hpp> 2738fb5983SJames Feist 2838fb5983SJames Feist #include <array> 2924f02f24SJames Feist #include <filesystem> 306714a25aSJames Feist #include <fstream> 3196e97db7SPatrick Venture #include <functional> 3296e97db7SPatrick Venture #include <memory> 336714a25aSJames Feist #include <regex> 3496e97db7SPatrick Venture #include <stdexcept> 3596e97db7SPatrick Venture #include <string> 3696e97db7SPatrick Venture #include <utility> 3796e97db7SPatrick Venture #include <variant> 3896e97db7SPatrick Venture #include <vector> 396714a25aSJames Feist 406714a25aSJames Feist static constexpr bool DEBUG = false; 416714a25aSJames Feist 42cf3bce6eSJames Feist namespace fs = std::filesystem; 43*16e7af1dSJason Ling static constexpr std::array<const char*, 10> sensorTypes = { 448b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.EMC1413", 458b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.MAX31725", 468b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.MAX31730", 47*16e7af1dSJason Ling "xyz.openbmc_project.Configuration.MAX6581", 483840d0adSJosh Lehan "xyz.openbmc_project.Configuration.MAX6654", 4955ab2afbSJohn Wang "xyz.openbmc_project.Configuration.TMP112", 503546adb9SPatrick Venture "xyz.openbmc_project.Configuration.TMP175", 518b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP421", 528b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP441", 538b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP75"}; 546714a25aSJames Feist 556714a25aSJames Feist void createSensors( 566714a25aSJames Feist boost::asio::io_service& io, sdbusplus::asio::object_server& objectServer, 57f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>>& 586714a25aSJames Feist sensors, 596714a25aSJames Feist std::shared_ptr<sdbusplus::asio::connection>& dbusConnection, 606714a25aSJames Feist const std::unique_ptr<boost::container::flat_set<std::string>>& 616714a25aSJames Feist sensorsChanged) 626714a25aSJames Feist { 63df515159SJames Feist auto getter = std::make_shared<GetSensorConfiguration>( 64df515159SJames Feist dbusConnection, 65df515159SJames Feist std::move([&io, &objectServer, &sensors, &dbusConnection, 66df515159SJames Feist &sensorsChanged]( 67df515159SJames Feist const ManagedObjectType& sensorConfigurations) { 686714a25aSJames Feist bool firstScan = sensorsChanged == nullptr; 69df515159SJames Feist 706714a25aSJames Feist std::vector<fs::path> paths; 71df515159SJames Feist if (!findFiles(fs::path("/sys/class/hwmon"), R"(temp\d+_input)", 72df515159SJames Feist paths)) 736714a25aSJames Feist { 746714a25aSJames Feist std::cerr << "No temperature sensors in system\n"; 756714a25aSJames Feist return; 766714a25aSJames Feist } 776714a25aSJames Feist 7837266ca9SJames Feist boost::container::flat_set<std::string> directories; 7937266ca9SJames Feist 80df515159SJames Feist // iterate through all found temp sensors, and try to match them 81df515159SJames Feist // with configuration 826714a25aSJames Feist for (auto& path : paths) 836714a25aSJames Feist { 846714a25aSJames Feist std::smatch match; 8537266ca9SJames Feist const std::string& pathStr = path.string(); 866714a25aSJames Feist auto directory = path.parent_path(); 876714a25aSJames Feist 8837266ca9SJames Feist auto ret = directories.insert(directory.string()); 8937266ca9SJames Feist if (!ret.second) 906714a25aSJames Feist { 9137266ca9SJames Feist continue; // already searched this path 9237266ca9SJames Feist } 9337266ca9SJames Feist 94b6c0b914SJames Feist fs::path device = directory / "device"; 9537266ca9SJames Feist std::string deviceName = fs::canonical(device).stem(); 9637266ca9SJames Feist auto findHyphen = deviceName.find("-"); 9737266ca9SJames Feist if (findHyphen == std::string::npos) 9837266ca9SJames Feist { 9937266ca9SJames Feist std::cerr << "found bad device " << deviceName << "\n"; 1006714a25aSJames Feist continue; 1016714a25aSJames Feist } 10237266ca9SJames Feist std::string busStr = deviceName.substr(0, findHyphen); 10337266ca9SJames Feist std::string addrStr = deviceName.substr(findHyphen + 1); 10437266ca9SJames Feist 10537266ca9SJames Feist size_t bus = 0; 10637266ca9SJames Feist size_t addr = 0; 10737266ca9SJames Feist try 1086714a25aSJames Feist { 10937266ca9SJames Feist bus = std::stoi(busStr); 11037266ca9SJames Feist addr = std::stoi(addrStr, 0, 16); 11137266ca9SJames Feist } 112b6c0b914SJames Feist catch (std::invalid_argument&) 11337266ca9SJames Feist { 1146714a25aSJames Feist continue; 1156714a25aSJames Feist } 1166714a25aSJames Feist const SensorData* sensorData = nullptr; 1176714a25aSJames Feist const std::string* interfacePath = nullptr; 11837266ca9SJames Feist const char* sensorType = nullptr; 1198b3f7d40SAlex Qiu const SensorBaseConfiguration* baseConfiguration = nullptr; 1208b3f7d40SAlex Qiu const SensorBaseConfigMap* baseConfigMap = nullptr; 12137266ca9SJames Feist 122df515159SJames Feist for (const std::pair<sdbusplus::message::object_path, 123df515159SJames Feist SensorData>& sensor : sensorConfigurations) 12437266ca9SJames Feist { 12537266ca9SJames Feist sensorData = &(sensor.second); 1269ced0a38SJae Hyun Yoo for (const char* type : sensorTypes) 1276714a25aSJames Feist { 1286714a25aSJames Feist auto sensorBase = sensorData->find(type); 1296714a25aSJames Feist if (sensorBase != sensorData->end()) 1306714a25aSJames Feist { 1316714a25aSJames Feist baseConfiguration = &(*sensorBase); 1326714a25aSJames Feist sensorType = type; 1336714a25aSJames Feist break; 1346714a25aSJames Feist } 1356714a25aSJames Feist } 1366714a25aSJames Feist if (baseConfiguration == nullptr) 1376714a25aSJames Feist { 13837266ca9SJames Feist std::cerr << "error finding base configuration for " 13937266ca9SJames Feist << deviceName << "\n"; 14037266ca9SJames Feist continue; 14137266ca9SJames Feist } 1428b3f7d40SAlex Qiu baseConfigMap = &baseConfiguration->second; 1438b3f7d40SAlex Qiu auto configurationBus = baseConfigMap->find("Bus"); 1448b3f7d40SAlex Qiu auto configurationAddress = baseConfigMap->find("Address"); 14537266ca9SJames Feist 1468b3f7d40SAlex Qiu if (configurationBus == baseConfigMap->end() || 1478b3f7d40SAlex Qiu configurationAddress == baseConfigMap->end()) 14837266ca9SJames Feist { 1498b3f7d40SAlex Qiu std::cerr << "error finding bus or address in " 1508b3f7d40SAlex Qiu "configuration\n"; 15137266ca9SJames Feist continue; 15237266ca9SJames Feist } 15337266ca9SJames Feist 1543eb82629SJames Feist if (std::get<uint64_t>(configurationBus->second) != bus || 155df515159SJames Feist std::get<uint64_t>(configurationAddress->second) != 156df515159SJames Feist addr) 15737266ca9SJames Feist { 15837266ca9SJames Feist continue; 15937266ca9SJames Feist } 16037266ca9SJames Feist 16137266ca9SJames Feist interfacePath = &(sensor.first.str); 16237266ca9SJames Feist break; 16337266ca9SJames Feist } 16437266ca9SJames Feist if (interfacePath == nullptr) 16537266ca9SJames Feist { 166df515159SJames Feist std::cerr << "failed to find match for " << deviceName 167df515159SJames Feist << "\n"; 1686714a25aSJames Feist continue; 1696714a25aSJames Feist } 1706714a25aSJames Feist 1718b3f7d40SAlex Qiu auto findSensorName = baseConfigMap->find("Name"); 1728b3f7d40SAlex Qiu if (findSensorName == baseConfigMap->end()) 1736714a25aSJames Feist { 1746714a25aSJames Feist std::cerr << "could not determine configuration name for " 17537266ca9SJames Feist << deviceName << "\n"; 1766714a25aSJames Feist continue; 1776714a25aSJames Feist } 178df515159SJames Feist std::string sensorName = 179df515159SJames Feist std::get<std::string>(findSensorName->second); 1806714a25aSJames Feist // on rescans, only update sensors we were signaled by 1816714a25aSJames Feist auto findSensor = sensors.find(sensorName); 1826714a25aSJames Feist if (!firstScan && findSensor != sensors.end()) 1836714a25aSJames Feist { 1846714a25aSJames Feist bool found = false; 185df515159SJames Feist for (auto it = sensorsChanged->begin(); 186df515159SJames Feist it != sensorsChanged->end(); it++) 1876714a25aSJames Feist { 1886714a25aSJames Feist if (boost::ends_with(*it, findSensor->second->name)) 1896714a25aSJames Feist { 1906714a25aSJames Feist sensorsChanged->erase(it); 1916714a25aSJames Feist findSensor->second = nullptr; 1926714a25aSJames Feist found = true; 1936714a25aSJames Feist break; 1946714a25aSJames Feist } 1956714a25aSJames Feist } 1966714a25aSJames Feist if (!found) 1976714a25aSJames Feist { 1986714a25aSJames Feist continue; 1996714a25aSJames Feist } 2006714a25aSJames Feist } 2016714a25aSJames Feist std::vector<thresholds::Threshold> sensorThresholds; 2029ced0a38SJae Hyun Yoo if (!parseThresholdsFromConfig(*sensorData, sensorThresholds)) 2036714a25aSJames Feist { 204df515159SJames Feist std::cerr << "error populating thresholds for " 205df515159SJames Feist << sensorName << "\n"; 2066714a25aSJames Feist } 207f9b01b6dSJames Feist auto findPowerOn = baseConfiguration->second.find("PowerState"); 208f9b01b6dSJames Feist PowerState readState = PowerState::always; 209f9b01b6dSJames Feist if (findPowerOn != baseConfiguration->second.end()) 210f9b01b6dSJames Feist { 211f9b01b6dSJames Feist std::string powerState = std::visit( 212f9b01b6dSJames Feist VariantToStringVisitor(), findPowerOn->second); 213f9b01b6dSJames Feist setReadState(powerState, readState); 214f9b01b6dSJames Feist } 2158b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 2168b3f7d40SAlex Qiu sensor = nullptr; 217f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 218df515159SJames Feist directory.string() + "/temp1_input", sensorType, 219df515159SJames Feist objectServer, dbusConnection, io, sensorName, 220f9b01b6dSJames Feist std::move(sensorThresholds), *interfacePath, readState); 221f3fd1915SYong Li sensor->setupRead(); 2228b3f7d40SAlex Qiu // Looking for keys like "Name1" for temp2_input, 2238b3f7d40SAlex Qiu // "Name2" for temp3_input, etc. 2248b3f7d40SAlex Qiu int i = 0; 2258b3f7d40SAlex Qiu while (true) 22637266ca9SJames Feist { 2278b3f7d40SAlex Qiu ++i; 2288b3f7d40SAlex Qiu auto findKey = 2298b3f7d40SAlex Qiu baseConfigMap->find("Name" + std::string(1, '0' + i)); 2308b3f7d40SAlex Qiu if (findKey == baseConfigMap->end()) 2318b3f7d40SAlex Qiu { 2328b3f7d40SAlex Qiu break; 23337266ca9SJames Feist } 2348b3f7d40SAlex Qiu 2358b3f7d40SAlex Qiu std::string sensorName = 2368b3f7d40SAlex Qiu std::get<std::string>(findKey->second); 2378b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 2388b3f7d40SAlex Qiu sensor = nullptr; 239f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 2408b3f7d40SAlex Qiu directory.string() + "/temp" + std::string(1, '1' + i) + 2418b3f7d40SAlex Qiu "_input", 2428b3f7d40SAlex Qiu sensorType, objectServer, dbusConnection, io, 2438b3f7d40SAlex Qiu sensorName, std::vector<thresholds::Threshold>(), 244f9b01b6dSJames Feist *interfacePath, readState); 245f3fd1915SYong Li sensor->setupRead(); 2468b3f7d40SAlex Qiu } 2476714a25aSJames Feist } 248df515159SJames Feist })); 249df515159SJames Feist getter->getConfiguration( 250df515159SJames Feist std::vector<std::string>(sensorTypes.begin(), sensorTypes.end())); 2516714a25aSJames Feist } 2526714a25aSJames Feist 253b6c0b914SJames Feist int main() 2546714a25aSJames Feist { 2556714a25aSJames Feist boost::asio::io_service io; 2566714a25aSJames Feist auto systemBus = std::make_shared<sdbusplus::asio::connection>(io); 2576714a25aSJames Feist systemBus->request_name("xyz.openbmc_project.HwmonTempSensor"); 2586714a25aSJames Feist sdbusplus::asio::object_server objectServer(systemBus); 259f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>> 2606714a25aSJames Feist sensors; 2616714a25aSJames Feist std::vector<std::unique_ptr<sdbusplus::bus::match::match>> matches; 2626714a25aSJames Feist std::unique_ptr<boost::container::flat_set<std::string>> sensorsChanged = 2636714a25aSJames Feist std::make_unique<boost::container::flat_set<std::string>>(); 2646714a25aSJames Feist 2656714a25aSJames Feist io.post([&]() { 2666714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, nullptr); 2676714a25aSJames Feist }); 2686714a25aSJames Feist 2696714a25aSJames Feist boost::asio::deadline_timer filterTimer(io); 2706714a25aSJames Feist std::function<void(sdbusplus::message::message&)> eventHandler = 2716714a25aSJames Feist [&](sdbusplus::message::message& message) { 2726714a25aSJames Feist if (message.is_method_error()) 2736714a25aSJames Feist { 2746714a25aSJames Feist std::cerr << "callback method error\n"; 2756714a25aSJames Feist return; 2766714a25aSJames Feist } 2776714a25aSJames Feist sensorsChanged->insert(message.get_path()); 2786714a25aSJames Feist // this implicitly cancels the timer 2796714a25aSJames Feist filterTimer.expires_from_now(boost::posix_time::seconds(1)); 2806714a25aSJames Feist 2816714a25aSJames Feist filterTimer.async_wait([&](const boost::system::error_code& ec) { 2826714a25aSJames Feist if (ec == boost::asio::error::operation_aborted) 2836714a25aSJames Feist { 2846714a25aSJames Feist /* we were canceled*/ 2856714a25aSJames Feist return; 2866714a25aSJames Feist } 2876714a25aSJames Feist else if (ec) 2886714a25aSJames Feist { 2896714a25aSJames Feist std::cerr << "timer error\n"; 2906714a25aSJames Feist return; 2916714a25aSJames Feist } 2926714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, 2936714a25aSJames Feist sensorsChanged); 2946714a25aSJames Feist }); 2956714a25aSJames Feist }; 2966714a25aSJames Feist 2979ced0a38SJae Hyun Yoo for (const char* type : sensorTypes) 2986714a25aSJames Feist { 2996714a25aSJames Feist auto match = std::make_unique<sdbusplus::bus::match::match>( 3006714a25aSJames Feist static_cast<sdbusplus::bus::bus&>(*systemBus), 3016714a25aSJames Feist "type='signal',member='PropertiesChanged',path_namespace='" + 3029ced0a38SJae Hyun Yoo std::string(inventoryPath) + "',arg0namespace='" + type + "'", 3036714a25aSJames Feist eventHandler); 3046714a25aSJames Feist matches.emplace_back(std::move(match)); 3056714a25aSJames Feist } 3066714a25aSJames Feist 3076714a25aSJames Feist io.run(); 3086714a25aSJames Feist } 309