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 20*96e97db7SPatrick Venture #include <array> 216714a25aSJames Feist #include <boost/algorithm/string/predicate.hpp> 226714a25aSJames Feist #include <boost/algorithm/string/replace.hpp> 23*96e97db7SPatrick Venture #include <boost/container/flat_map.hpp> 246714a25aSJames Feist #include <boost/container/flat_set.hpp> 2524f02f24SJames Feist #include <filesystem> 266714a25aSJames Feist #include <fstream> 27*96e97db7SPatrick Venture #include <functional> 28*96e97db7SPatrick Venture #include <memory> 296714a25aSJames Feist #include <regex> 306714a25aSJames Feist #include <sdbusplus/asio/connection.hpp> 316714a25aSJames Feist #include <sdbusplus/asio/object_server.hpp> 32*96e97db7SPatrick Venture #include <sdbusplus/bus/match.hpp> 33*96e97db7SPatrick Venture #include <stdexcept> 34*96e97db7SPatrick Venture #include <string> 35*96e97db7SPatrick Venture #include <utility> 36*96e97db7SPatrick Venture #include <variant> 37*96e97db7SPatrick Venture #include <vector> 386714a25aSJames Feist 396714a25aSJames Feist static constexpr bool DEBUG = false; 406714a25aSJames Feist 41cf3bce6eSJames Feist namespace fs = std::filesystem; 423546adb9SPatrick Venture static constexpr std::array<const char*, 7> sensorTypes = { 436714a25aSJames Feist "xyz.openbmc_project.Configuration.TMP75", 4455ab2afbSJohn Wang "xyz.openbmc_project.Configuration.TMP421", 457fa475d3SPatrick Venture "xyz.openbmc_project.Configuration.TMP441", 4655ab2afbSJohn Wang "xyz.openbmc_project.Configuration.TMP112", 473546adb9SPatrick Venture "xyz.openbmc_project.Configuration.TMP175", 48bd1a9d5dSPatrick Venture "xyz.openbmc_project.Configuration.EMC1413", 49bd1a9d5dSPatrick Venture "xyz.openbmc_project.Configuration.MAX31725"}; 506714a25aSJames Feist 516714a25aSJames Feist void createSensors( 526714a25aSJames Feist boost::asio::io_service& io, sdbusplus::asio::object_server& objectServer, 536714a25aSJames Feist boost::container::flat_map<std::string, std::unique_ptr<HwmonTempSensor>>& 546714a25aSJames Feist sensors, 556714a25aSJames Feist std::shared_ptr<sdbusplus::asio::connection>& dbusConnection, 566714a25aSJames Feist const std::unique_ptr<boost::container::flat_set<std::string>>& 576714a25aSJames Feist sensorsChanged) 586714a25aSJames Feist { 59df515159SJames Feist auto getter = std::make_shared<GetSensorConfiguration>( 60df515159SJames Feist dbusConnection, 61df515159SJames Feist std::move([&io, &objectServer, &sensors, &dbusConnection, 62df515159SJames Feist &sensorsChanged]( 63df515159SJames Feist const ManagedObjectType& sensorConfigurations) { 646714a25aSJames Feist bool firstScan = sensorsChanged == nullptr; 65df515159SJames Feist 666714a25aSJames Feist std::vector<fs::path> paths; 67df515159SJames Feist if (!findFiles(fs::path("/sys/class/hwmon"), R"(temp\d+_input)", 68df515159SJames Feist paths)) 696714a25aSJames Feist { 706714a25aSJames Feist std::cerr << "No temperature sensors in system\n"; 716714a25aSJames Feist return; 726714a25aSJames Feist } 736714a25aSJames Feist 7437266ca9SJames Feist boost::container::flat_set<std::string> directories; 7537266ca9SJames Feist 76df515159SJames Feist // iterate through all found temp sensors, and try to match them 77df515159SJames Feist // with configuration 786714a25aSJames Feist for (auto& path : paths) 796714a25aSJames Feist { 806714a25aSJames Feist std::smatch match; 8137266ca9SJames Feist const std::string& pathStr = path.string(); 826714a25aSJames Feist auto directory = path.parent_path(); 836714a25aSJames Feist 8437266ca9SJames Feist auto ret = directories.insert(directory.string()); 8537266ca9SJames Feist if (!ret.second) 866714a25aSJames Feist { 8737266ca9SJames Feist continue; // already searched this path 8837266ca9SJames Feist } 8937266ca9SJames Feist 90b6c0b914SJames Feist fs::path device = directory / "device"; 9137266ca9SJames Feist std::string deviceName = fs::canonical(device).stem(); 9237266ca9SJames Feist auto findHyphen = deviceName.find("-"); 9337266ca9SJames Feist if (findHyphen == std::string::npos) 9437266ca9SJames Feist { 9537266ca9SJames Feist std::cerr << "found bad device " << deviceName << "\n"; 966714a25aSJames Feist continue; 976714a25aSJames Feist } 9837266ca9SJames Feist std::string busStr = deviceName.substr(0, findHyphen); 9937266ca9SJames Feist std::string addrStr = deviceName.substr(findHyphen + 1); 10037266ca9SJames Feist 10137266ca9SJames Feist size_t bus = 0; 10237266ca9SJames Feist size_t addr = 0; 10337266ca9SJames Feist try 1046714a25aSJames Feist { 10537266ca9SJames Feist bus = std::stoi(busStr); 10637266ca9SJames Feist addr = std::stoi(addrStr, 0, 16); 10737266ca9SJames Feist } 108b6c0b914SJames Feist catch (std::invalid_argument&) 10937266ca9SJames Feist { 1106714a25aSJames Feist continue; 1116714a25aSJames Feist } 1126714a25aSJames Feist const SensorData* sensorData = nullptr; 1136714a25aSJames Feist const std::string* interfacePath = nullptr; 11437266ca9SJames Feist const char* sensorType = nullptr; 115df515159SJames Feist const std::pair< 116df515159SJames Feist std::string, 117df515159SJames Feist boost::container::flat_map<std::string, BasicVariantType>>* 1186714a25aSJames Feist baseConfiguration = nullptr; 11937266ca9SJames Feist 120df515159SJames Feist for (const std::pair<sdbusplus::message::object_path, 121df515159SJames Feist SensorData>& sensor : sensorConfigurations) 12237266ca9SJames Feist { 12337266ca9SJames Feist sensorData = &(sensor.second); 1249ced0a38SJae Hyun Yoo for (const char* type : sensorTypes) 1256714a25aSJames Feist { 1266714a25aSJames Feist auto sensorBase = sensorData->find(type); 1276714a25aSJames Feist if (sensorBase != sensorData->end()) 1286714a25aSJames Feist { 1296714a25aSJames Feist baseConfiguration = &(*sensorBase); 1306714a25aSJames Feist sensorType = type; 1316714a25aSJames Feist break; 1326714a25aSJames Feist } 1336714a25aSJames Feist } 1346714a25aSJames Feist if (baseConfiguration == nullptr) 1356714a25aSJames Feist { 13637266ca9SJames Feist std::cerr << "error finding base configuration for " 13737266ca9SJames Feist << deviceName << "\n"; 13837266ca9SJames Feist continue; 13937266ca9SJames Feist } 140df515159SJames Feist auto configurationBus = 141df515159SJames Feist baseConfiguration->second.find("Bus"); 14237266ca9SJames Feist auto configurationAddress = 14337266ca9SJames Feist baseConfiguration->second.find("Address"); 14437266ca9SJames Feist 14537266ca9SJames Feist if (configurationBus == baseConfiguration->second.end() || 14637266ca9SJames Feist configurationAddress == baseConfiguration->second.end()) 14737266ca9SJames Feist { 148df515159SJames Feist std::cerr 149df515159SJames Feist << "error finding bus or address in configuration"; 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 1706714a25aSJames Feist auto findSensorName = baseConfiguration->second.find("Name"); 1716714a25aSJames Feist if (findSensorName == baseConfiguration->second.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 } 206df515159SJames Feist auto& sensor1 = sensors[sensorName]; 207df515159SJames Feist sensor1 = nullptr; 208df515159SJames Feist sensor1 = std::make_unique<HwmonTempSensor>( 209df515159SJames Feist directory.string() + "/temp1_input", sensorType, 210df515159SJames Feist objectServer, dbusConnection, io, sensorName, 211df515159SJames Feist std::move(sensorThresholds), *interfacePath); 21237266ca9SJames Feist auto findSecondName = baseConfiguration->second.find("Name1"); 21337266ca9SJames Feist if (findSecondName == baseConfiguration->second.end()) 21437266ca9SJames Feist { 21537266ca9SJames Feist continue; 21637266ca9SJames Feist } 2173eb82629SJames Feist sensorName = std::get<std::string>(findSecondName->second); 218df515159SJames Feist auto& sensor2 = sensors[sensorName]; 219df515159SJames Feist sensor2 = nullptr; 220df515159SJames Feist sensor2 = std::make_unique<HwmonTempSensor>( 221df515159SJames Feist directory.string() + "/temp2_input", sensorType, 222df515159SJames Feist objectServer, dbusConnection, io, sensorName, 22337266ca9SJames Feist std::vector<thresholds::Threshold>(), *interfacePath); 2246714a25aSJames Feist } 225df515159SJames Feist })); 226df515159SJames Feist getter->getConfiguration( 227df515159SJames Feist std::vector<std::string>(sensorTypes.begin(), sensorTypes.end())); 2286714a25aSJames Feist } 2296714a25aSJames Feist 230b6c0b914SJames Feist int main() 2316714a25aSJames Feist { 2326714a25aSJames Feist boost::asio::io_service io; 2336714a25aSJames Feist auto systemBus = std::make_shared<sdbusplus::asio::connection>(io); 2346714a25aSJames Feist systemBus->request_name("xyz.openbmc_project.HwmonTempSensor"); 2356714a25aSJames Feist sdbusplus::asio::object_server objectServer(systemBus); 2366714a25aSJames Feist boost::container::flat_map<std::string, std::unique_ptr<HwmonTempSensor>> 2376714a25aSJames Feist sensors; 2386714a25aSJames Feist std::vector<std::unique_ptr<sdbusplus::bus::match::match>> matches; 2396714a25aSJames Feist std::unique_ptr<boost::container::flat_set<std::string>> sensorsChanged = 2406714a25aSJames Feist std::make_unique<boost::container::flat_set<std::string>>(); 2416714a25aSJames Feist 2426714a25aSJames Feist io.post([&]() { 2436714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, nullptr); 2446714a25aSJames Feist }); 2456714a25aSJames Feist 2466714a25aSJames Feist boost::asio::deadline_timer filterTimer(io); 2476714a25aSJames Feist std::function<void(sdbusplus::message::message&)> eventHandler = 2486714a25aSJames Feist [&](sdbusplus::message::message& message) { 2496714a25aSJames Feist if (message.is_method_error()) 2506714a25aSJames Feist { 2516714a25aSJames Feist std::cerr << "callback method error\n"; 2526714a25aSJames Feist return; 2536714a25aSJames Feist } 2546714a25aSJames Feist sensorsChanged->insert(message.get_path()); 2556714a25aSJames Feist // this implicitly cancels the timer 2566714a25aSJames Feist filterTimer.expires_from_now(boost::posix_time::seconds(1)); 2576714a25aSJames Feist 2586714a25aSJames Feist filterTimer.async_wait([&](const boost::system::error_code& ec) { 2596714a25aSJames Feist if (ec == boost::asio::error::operation_aborted) 2606714a25aSJames Feist { 2616714a25aSJames Feist /* we were canceled*/ 2626714a25aSJames Feist return; 2636714a25aSJames Feist } 2646714a25aSJames Feist else if (ec) 2656714a25aSJames Feist { 2666714a25aSJames Feist std::cerr << "timer error\n"; 2676714a25aSJames Feist return; 2686714a25aSJames Feist } 2696714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, 2706714a25aSJames Feist sensorsChanged); 2716714a25aSJames Feist }); 2726714a25aSJames Feist }; 2736714a25aSJames Feist 2749ced0a38SJae Hyun Yoo for (const char* type : sensorTypes) 2756714a25aSJames Feist { 2766714a25aSJames Feist auto match = std::make_unique<sdbusplus::bus::match::match>( 2776714a25aSJames Feist static_cast<sdbusplus::bus::bus&>(*systemBus), 2786714a25aSJames Feist "type='signal',member='PropertiesChanged',path_namespace='" + 2799ced0a38SJae Hyun Yoo std::string(inventoryPath) + "',arg0namespace='" + type + "'", 2806714a25aSJames Feist eventHandler); 2816714a25aSJames Feist matches.emplace_back(std::move(match)); 2826714a25aSJames Feist } 2836714a25aSJames Feist 2846714a25aSJames Feist io.run(); 2856714a25aSJames Feist } 286