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> 24*38fb5983SJames Feist #include <sdbusplus/asio/connection.hpp> 25*38fb5983SJames Feist #include <sdbusplus/asio/object_server.hpp> 26*38fb5983SJames Feist #include <sdbusplus/bus/match.hpp> 27*38fb5983SJames Feist 28*38fb5983SJames 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; 433840d0adSJosh Lehan static constexpr std::array<const char*, 9> sensorTypes = { 448b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.EMC1413", 458b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.MAX31725", 468b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.MAX31730", 473840d0adSJosh Lehan "xyz.openbmc_project.Configuration.MAX6654", 4855ab2afbSJohn Wang "xyz.openbmc_project.Configuration.TMP112", 493546adb9SPatrick Venture "xyz.openbmc_project.Configuration.TMP175", 508b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP421", 518b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP441", 528b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP75"}; 536714a25aSJames Feist 546714a25aSJames Feist void createSensors( 556714a25aSJames Feist boost::asio::io_service& io, sdbusplus::asio::object_server& objectServer, 56f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>>& 576714a25aSJames Feist sensors, 586714a25aSJames Feist std::shared_ptr<sdbusplus::asio::connection>& dbusConnection, 596714a25aSJames Feist const std::unique_ptr<boost::container::flat_set<std::string>>& 606714a25aSJames Feist sensorsChanged) 616714a25aSJames Feist { 62df515159SJames Feist auto getter = std::make_shared<GetSensorConfiguration>( 63df515159SJames Feist dbusConnection, 64df515159SJames Feist std::move([&io, &objectServer, &sensors, &dbusConnection, 65df515159SJames Feist &sensorsChanged]( 66df515159SJames Feist const ManagedObjectType& sensorConfigurations) { 676714a25aSJames Feist bool firstScan = sensorsChanged == nullptr; 68df515159SJames Feist 696714a25aSJames Feist std::vector<fs::path> paths; 70df515159SJames Feist if (!findFiles(fs::path("/sys/class/hwmon"), R"(temp\d+_input)", 71df515159SJames Feist paths)) 726714a25aSJames Feist { 736714a25aSJames Feist std::cerr << "No temperature sensors in system\n"; 746714a25aSJames Feist return; 756714a25aSJames Feist } 766714a25aSJames Feist 7737266ca9SJames Feist boost::container::flat_set<std::string> directories; 7837266ca9SJames Feist 79df515159SJames Feist // iterate through all found temp sensors, and try to match them 80df515159SJames Feist // with configuration 816714a25aSJames Feist for (auto& path : paths) 826714a25aSJames Feist { 836714a25aSJames Feist std::smatch match; 8437266ca9SJames Feist const std::string& pathStr = path.string(); 856714a25aSJames Feist auto directory = path.parent_path(); 866714a25aSJames Feist 8737266ca9SJames Feist auto ret = directories.insert(directory.string()); 8837266ca9SJames Feist if (!ret.second) 896714a25aSJames Feist { 9037266ca9SJames Feist continue; // already searched this path 9137266ca9SJames Feist } 9237266ca9SJames Feist 93b6c0b914SJames Feist fs::path device = directory / "device"; 9437266ca9SJames Feist std::string deviceName = fs::canonical(device).stem(); 9537266ca9SJames Feist auto findHyphen = deviceName.find("-"); 9637266ca9SJames Feist if (findHyphen == std::string::npos) 9737266ca9SJames Feist { 9837266ca9SJames Feist std::cerr << "found bad device " << deviceName << "\n"; 996714a25aSJames Feist continue; 1006714a25aSJames Feist } 10137266ca9SJames Feist std::string busStr = deviceName.substr(0, findHyphen); 10237266ca9SJames Feist std::string addrStr = deviceName.substr(findHyphen + 1); 10337266ca9SJames Feist 10437266ca9SJames Feist size_t bus = 0; 10537266ca9SJames Feist size_t addr = 0; 10637266ca9SJames Feist try 1076714a25aSJames Feist { 10837266ca9SJames Feist bus = std::stoi(busStr); 10937266ca9SJames Feist addr = std::stoi(addrStr, 0, 16); 11037266ca9SJames Feist } 111b6c0b914SJames Feist catch (std::invalid_argument&) 11237266ca9SJames Feist { 1136714a25aSJames Feist continue; 1146714a25aSJames Feist } 1156714a25aSJames Feist const SensorData* sensorData = nullptr; 1166714a25aSJames Feist const std::string* interfacePath = nullptr; 11737266ca9SJames Feist const char* sensorType = nullptr; 1188b3f7d40SAlex Qiu const SensorBaseConfiguration* baseConfiguration = nullptr; 1198b3f7d40SAlex Qiu const SensorBaseConfigMap* baseConfigMap = nullptr; 12037266ca9SJames Feist 121df515159SJames Feist for (const std::pair<sdbusplus::message::object_path, 122df515159SJames Feist SensorData>& sensor : sensorConfigurations) 12337266ca9SJames Feist { 12437266ca9SJames Feist sensorData = &(sensor.second); 1259ced0a38SJae Hyun Yoo for (const char* type : sensorTypes) 1266714a25aSJames Feist { 1276714a25aSJames Feist auto sensorBase = sensorData->find(type); 1286714a25aSJames Feist if (sensorBase != sensorData->end()) 1296714a25aSJames Feist { 1306714a25aSJames Feist baseConfiguration = &(*sensorBase); 1316714a25aSJames Feist sensorType = type; 1326714a25aSJames Feist break; 1336714a25aSJames Feist } 1346714a25aSJames Feist } 1356714a25aSJames Feist if (baseConfiguration == nullptr) 1366714a25aSJames Feist { 13737266ca9SJames Feist std::cerr << "error finding base configuration for " 13837266ca9SJames Feist << deviceName << "\n"; 13937266ca9SJames Feist continue; 14037266ca9SJames Feist } 1418b3f7d40SAlex Qiu baseConfigMap = &baseConfiguration->second; 1428b3f7d40SAlex Qiu auto configurationBus = baseConfigMap->find("Bus"); 1438b3f7d40SAlex Qiu auto configurationAddress = baseConfigMap->find("Address"); 14437266ca9SJames Feist 1458b3f7d40SAlex Qiu if (configurationBus == baseConfigMap->end() || 1468b3f7d40SAlex Qiu configurationAddress == baseConfigMap->end()) 14737266ca9SJames Feist { 1488b3f7d40SAlex Qiu std::cerr << "error finding bus or address in " 1498b3f7d40SAlex Qiu "configuration\n"; 15037266ca9SJames Feist continue; 15137266ca9SJames Feist } 15237266ca9SJames Feist 1533eb82629SJames Feist if (std::get<uint64_t>(configurationBus->second) != bus || 154df515159SJames Feist std::get<uint64_t>(configurationAddress->second) != 155df515159SJames Feist addr) 15637266ca9SJames Feist { 15737266ca9SJames Feist continue; 15837266ca9SJames Feist } 15937266ca9SJames Feist 16037266ca9SJames Feist interfacePath = &(sensor.first.str); 16137266ca9SJames Feist break; 16237266ca9SJames Feist } 16337266ca9SJames Feist if (interfacePath == nullptr) 16437266ca9SJames Feist { 165df515159SJames Feist std::cerr << "failed to find match for " << deviceName 166df515159SJames Feist << "\n"; 1676714a25aSJames Feist continue; 1686714a25aSJames Feist } 1696714a25aSJames Feist 1708b3f7d40SAlex Qiu auto findSensorName = baseConfigMap->find("Name"); 1718b3f7d40SAlex Qiu if (findSensorName == baseConfigMap->end()) 1726714a25aSJames Feist { 1736714a25aSJames Feist std::cerr << "could not determine configuration name for " 17437266ca9SJames Feist << deviceName << "\n"; 1756714a25aSJames Feist continue; 1766714a25aSJames Feist } 177df515159SJames Feist std::string sensorName = 178df515159SJames Feist std::get<std::string>(findSensorName->second); 1796714a25aSJames Feist // on rescans, only update sensors we were signaled by 1806714a25aSJames Feist auto findSensor = sensors.find(sensorName); 1816714a25aSJames Feist if (!firstScan && findSensor != sensors.end()) 1826714a25aSJames Feist { 1836714a25aSJames Feist bool found = false; 184df515159SJames Feist for (auto it = sensorsChanged->begin(); 185df515159SJames Feist it != sensorsChanged->end(); it++) 1866714a25aSJames Feist { 1876714a25aSJames Feist if (boost::ends_with(*it, findSensor->second->name)) 1886714a25aSJames Feist { 1896714a25aSJames Feist sensorsChanged->erase(it); 1906714a25aSJames Feist findSensor->second = nullptr; 1916714a25aSJames Feist found = true; 1926714a25aSJames Feist break; 1936714a25aSJames Feist } 1946714a25aSJames Feist } 1956714a25aSJames Feist if (!found) 1966714a25aSJames Feist { 1976714a25aSJames Feist continue; 1986714a25aSJames Feist } 1996714a25aSJames Feist } 2006714a25aSJames Feist std::vector<thresholds::Threshold> sensorThresholds; 2019ced0a38SJae Hyun Yoo if (!parseThresholdsFromConfig(*sensorData, sensorThresholds)) 2026714a25aSJames Feist { 203df515159SJames Feist std::cerr << "error populating thresholds for " 204df515159SJames Feist << sensorName << "\n"; 2056714a25aSJames Feist } 206f9b01b6dSJames Feist auto findPowerOn = baseConfiguration->second.find("PowerState"); 207f9b01b6dSJames Feist PowerState readState = PowerState::always; 208f9b01b6dSJames Feist if (findPowerOn != baseConfiguration->second.end()) 209f9b01b6dSJames Feist { 210f9b01b6dSJames Feist std::string powerState = std::visit( 211f9b01b6dSJames Feist VariantToStringVisitor(), findPowerOn->second); 212f9b01b6dSJames Feist setReadState(powerState, readState); 213f9b01b6dSJames Feist } 2148b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 2158b3f7d40SAlex Qiu sensor = nullptr; 216f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 217df515159SJames Feist directory.string() + "/temp1_input", sensorType, 218df515159SJames Feist objectServer, dbusConnection, io, sensorName, 219f9b01b6dSJames Feist std::move(sensorThresholds), *interfacePath, readState); 220f3fd1915SYong Li sensor->setupRead(); 2218b3f7d40SAlex Qiu // Looking for keys like "Name1" for temp2_input, 2228b3f7d40SAlex Qiu // "Name2" for temp3_input, etc. 2238b3f7d40SAlex Qiu int i = 0; 2248b3f7d40SAlex Qiu while (true) 22537266ca9SJames Feist { 2268b3f7d40SAlex Qiu ++i; 2278b3f7d40SAlex Qiu auto findKey = 2288b3f7d40SAlex Qiu baseConfigMap->find("Name" + std::string(1, '0' + i)); 2298b3f7d40SAlex Qiu if (findKey == baseConfigMap->end()) 2308b3f7d40SAlex Qiu { 2318b3f7d40SAlex Qiu break; 23237266ca9SJames Feist } 2338b3f7d40SAlex Qiu 2348b3f7d40SAlex Qiu std::string sensorName = 2358b3f7d40SAlex Qiu std::get<std::string>(findKey->second); 2368b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 2378b3f7d40SAlex Qiu sensor = nullptr; 238f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 2398b3f7d40SAlex Qiu directory.string() + "/temp" + std::string(1, '1' + i) + 2408b3f7d40SAlex Qiu "_input", 2418b3f7d40SAlex Qiu sensorType, objectServer, dbusConnection, io, 2428b3f7d40SAlex Qiu sensorName, std::vector<thresholds::Threshold>(), 243f9b01b6dSJames Feist *interfacePath, readState); 244f3fd1915SYong Li sensor->setupRead(); 2458b3f7d40SAlex Qiu } 2466714a25aSJames Feist } 247df515159SJames Feist })); 248df515159SJames Feist getter->getConfiguration( 249df515159SJames Feist std::vector<std::string>(sensorTypes.begin(), sensorTypes.end())); 2506714a25aSJames Feist } 2516714a25aSJames Feist 252b6c0b914SJames Feist int main() 2536714a25aSJames Feist { 2546714a25aSJames Feist boost::asio::io_service io; 2556714a25aSJames Feist auto systemBus = std::make_shared<sdbusplus::asio::connection>(io); 2566714a25aSJames Feist systemBus->request_name("xyz.openbmc_project.HwmonTempSensor"); 2576714a25aSJames Feist sdbusplus::asio::object_server objectServer(systemBus); 258f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>> 2596714a25aSJames Feist sensors; 2606714a25aSJames Feist std::vector<std::unique_ptr<sdbusplus::bus::match::match>> matches; 2616714a25aSJames Feist std::unique_ptr<boost::container::flat_set<std::string>> sensorsChanged = 2626714a25aSJames Feist std::make_unique<boost::container::flat_set<std::string>>(); 2636714a25aSJames Feist 2646714a25aSJames Feist io.post([&]() { 2656714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, nullptr); 2666714a25aSJames Feist }); 2676714a25aSJames Feist 2686714a25aSJames Feist boost::asio::deadline_timer filterTimer(io); 2696714a25aSJames Feist std::function<void(sdbusplus::message::message&)> eventHandler = 2706714a25aSJames Feist [&](sdbusplus::message::message& message) { 2716714a25aSJames Feist if (message.is_method_error()) 2726714a25aSJames Feist { 2736714a25aSJames Feist std::cerr << "callback method error\n"; 2746714a25aSJames Feist return; 2756714a25aSJames Feist } 2766714a25aSJames Feist sensorsChanged->insert(message.get_path()); 2776714a25aSJames Feist // this implicitly cancels the timer 2786714a25aSJames Feist filterTimer.expires_from_now(boost::posix_time::seconds(1)); 2796714a25aSJames Feist 2806714a25aSJames Feist filterTimer.async_wait([&](const boost::system::error_code& ec) { 2816714a25aSJames Feist if (ec == boost::asio::error::operation_aborted) 2826714a25aSJames Feist { 2836714a25aSJames Feist /* we were canceled*/ 2846714a25aSJames Feist return; 2856714a25aSJames Feist } 2866714a25aSJames Feist else if (ec) 2876714a25aSJames Feist { 2886714a25aSJames Feist std::cerr << "timer error\n"; 2896714a25aSJames Feist return; 2906714a25aSJames Feist } 2916714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, 2926714a25aSJames Feist sensorsChanged); 2936714a25aSJames Feist }); 2946714a25aSJames Feist }; 2956714a25aSJames Feist 2969ced0a38SJae Hyun Yoo for (const char* type : sensorTypes) 2976714a25aSJames Feist { 2986714a25aSJames Feist auto match = std::make_unique<sdbusplus::bus::match::match>( 2996714a25aSJames Feist static_cast<sdbusplus::bus::bus&>(*systemBus), 3006714a25aSJames Feist "type='signal',member='PropertiesChanged',path_namespace='" + 3019ced0a38SJae Hyun Yoo std::string(inventoryPath) + "',arg0namespace='" + type + "'", 3026714a25aSJames Feist eventHandler); 3036714a25aSJames Feist matches.emplace_back(std::move(match)); 3046714a25aSJames Feist } 3056714a25aSJames Feist 3066714a25aSJames Feist io.run(); 3076714a25aSJames Feist } 308