James Feist | 139cb57 | 2018-09-10 15:26:18 -0700 | [diff] [blame] | 1 | #include <Thresholds.hpp> |
| 2 | #include <VariantVisitors.hpp> |
| 3 | #include <boost/algorithm/string/replace.hpp> |
| 4 | #include <boost/lexical_cast.hpp> |
| 5 | #include <fstream> |
| 6 | #include <iostream> |
James Feist | af79dd3 | 2018-09-12 12:54:15 -0700 | [diff] [blame] | 7 | #include <sensor.hpp> |
James Feist | 139cb57 | 2018-09-10 15:26:18 -0700 | [diff] [blame] | 8 | |
| 9 | static constexpr bool DEBUG = false; |
| 10 | constexpr size_t MAX_THRESHOLDS = 4; |
| 11 | |
| 12 | namespace thresholds |
| 13 | { |
| 14 | unsigned int toBusValue(const Level &level) |
| 15 | { |
| 16 | switch (level) |
| 17 | { |
| 18 | case (Level::WARNING): |
| 19 | { |
| 20 | return 0; |
| 21 | } |
| 22 | case (Level::CRITICAL): |
| 23 | { |
| 24 | return 1; |
| 25 | } |
| 26 | default: |
| 27 | { |
| 28 | return -1; |
| 29 | } |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | std::string toBusValue(const Direction &direction) |
| 34 | { |
| 35 | switch (direction) |
| 36 | { |
| 37 | case (Direction::LOW): |
| 38 | { |
| 39 | return "less than"; |
| 40 | } |
| 41 | case (Direction::HIGH): |
| 42 | { |
| 43 | return "greater than"; |
| 44 | } |
| 45 | default: |
| 46 | { |
| 47 | return "err"; |
| 48 | } |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | bool ParseThresholdsFromConfig( |
| 53 | const SensorData &sensorData, |
| 54 | std::vector<thresholds::Threshold> &thresholdVector, |
| 55 | const std::string *matchLabel) |
| 56 | { |
| 57 | for (const auto &item : sensorData) |
| 58 | { |
| 59 | if (item.first.find("Thresholds") == std::string::npos) |
| 60 | { |
| 61 | continue; |
| 62 | } |
| 63 | if (matchLabel != nullptr) |
| 64 | { |
| 65 | auto labelFind = item.second.find("Label"); |
| 66 | if (labelFind == item.second.end()) |
| 67 | continue; |
| 68 | if (mapbox::util::apply_visitor(VariantToStringVisitor(), |
| 69 | labelFind->second) != *matchLabel) |
| 70 | continue; |
| 71 | } |
| 72 | auto directionFind = item.second.find("Direction"); |
| 73 | auto severityFind = item.second.find("Severity"); |
| 74 | auto valueFind = item.second.find("Value"); |
| 75 | if (valueFind == item.second.end() || |
| 76 | severityFind == item.second.end() || |
| 77 | directionFind == item.second.end()) |
| 78 | { |
| 79 | std::cerr << "Malformed threshold in configuration\n"; |
| 80 | return false; |
| 81 | } |
| 82 | Level level; |
| 83 | Direction direction; |
| 84 | if (mapbox::util::apply_visitor(VariantToUnsignedIntVisitor(), |
| 85 | severityFind->second) == 0) |
| 86 | { |
| 87 | level = Level::WARNING; |
| 88 | } |
| 89 | else |
| 90 | { |
| 91 | level = Level::CRITICAL; |
| 92 | } |
| 93 | if (mapbox::util::apply_visitor(VariantToStringVisitor(), |
| 94 | directionFind->second) == "less than") |
| 95 | { |
| 96 | direction = Direction::LOW; |
| 97 | } |
| 98 | else |
| 99 | { |
| 100 | direction = Direction::HIGH; |
| 101 | } |
| 102 | float val = mapbox::util::apply_visitor(VariantToFloatVisitor(), |
| 103 | valueFind->second); |
| 104 | |
| 105 | thresholdVector.emplace_back(level, direction, val); |
| 106 | } |
| 107 | return true; |
| 108 | } |
| 109 | |
| 110 | void persistThreshold(const std::string &path, const std::string &baseInterface, |
| 111 | const thresholds::Threshold &threshold, |
| 112 | std::shared_ptr<sdbusplus::asio::connection> &conn) |
| 113 | { |
| 114 | for (int ii = 0; ii < MAX_THRESHOLDS; ii++) |
| 115 | { |
| 116 | std::string thresholdInterface = |
| 117 | baseInterface + ".Thresholds" + std::to_string(ii); |
| 118 | conn->async_method_call( |
| 119 | [&, path, threshold, thresholdInterface]( |
| 120 | const boost::system::error_code &ec, |
| 121 | const boost::container::flat_map<std::string, BasicVariantType> |
| 122 | &result) { |
| 123 | if (ec) |
| 124 | { |
| 125 | return; // threshold not supported |
| 126 | } |
| 127 | |
| 128 | auto directionFind = result.find("Direction"); |
| 129 | auto severityFind = result.find("Severity"); |
| 130 | auto valueFind = result.find("Value"); |
| 131 | if (valueFind == result.end() || severityFind == result.end() || |
| 132 | directionFind == result.end()) |
| 133 | { |
| 134 | std::cerr << "Malformed threshold in configuration\n"; |
| 135 | return; |
| 136 | } |
| 137 | unsigned int level = mapbox::util::apply_visitor( |
| 138 | VariantToUnsignedIntVisitor(), severityFind->second); |
| 139 | |
| 140 | std::string dir = mapbox::util::apply_visitor( |
| 141 | VariantToStringVisitor(), directionFind->second); |
| 142 | if ((toBusValue(threshold.level) != level) || |
| 143 | (toBusValue(threshold.direction) != dir)) |
| 144 | { |
| 145 | return; // not the droid we're looking for |
| 146 | } |
| 147 | |
| 148 | sdbusplus::message::variant<double> value(threshold.value); |
| 149 | conn->async_method_call( |
| 150 | [](const boost::system::error_code &ec) { |
| 151 | if (ec) |
| 152 | { |
| 153 | std::cerr << "Error setting threshold " << ec |
| 154 | << "\n"; |
| 155 | } |
| 156 | }, |
| 157 | ENTITY_MANAGER_NAME, path, |
| 158 | "org.freedesktop.DBus.Properties", "Set", |
| 159 | thresholdInterface, "Value", value); |
| 160 | }, |
| 161 | ENTITY_MANAGER_NAME, path, "org.freedesktop.DBus.Properties", |
| 162 | "GetAll", thresholdInterface); |
| 163 | } |
| 164 | } |
| 165 | |
James Feist | af79dd3 | 2018-09-12 12:54:15 -0700 | [diff] [blame] | 166 | void checkThresholds(Sensor *sensor) |
| 167 | { |
| 168 | |
| 169 | if (sensor->thresholds.empty()) |
| 170 | { |
| 171 | return; |
| 172 | } |
| 173 | for (auto &threshold : sensor->thresholds) |
| 174 | { |
| 175 | if (threshold.direction == thresholds::Direction::HIGH) |
| 176 | { |
| 177 | if (sensor->value > threshold.value && !threshold.asserted) |
| 178 | { |
| 179 | assertThresholds(sensor, threshold.level, threshold.direction, |
| 180 | true); |
| 181 | threshold.asserted = true; |
| 182 | } |
| 183 | else if (sensor->value <= threshold.value && threshold.asserted) |
| 184 | { |
| 185 | assertThresholds(sensor, threshold.level, threshold.direction, |
| 186 | false); |
| 187 | threshold.asserted = false; |
| 188 | } |
| 189 | } |
| 190 | else |
| 191 | { |
| 192 | if (sensor->value < threshold.value && !threshold.asserted) |
| 193 | { |
| 194 | assertThresholds(sensor, threshold.level, threshold.direction, |
| 195 | true); |
| 196 | threshold.asserted = true; |
| 197 | } |
| 198 | else if (sensor->value >= threshold.value && threshold.asserted) |
| 199 | { |
| 200 | assertThresholds(sensor, threshold.level, threshold.direction, |
| 201 | false); |
| 202 | threshold.asserted = false; |
| 203 | } |
| 204 | } |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | void assertThresholds(Sensor *sensor, thresholds::Level level, |
| 209 | thresholds::Direction direction, bool assert) |
| 210 | { |
| 211 | std::string property; |
| 212 | std::shared_ptr<sdbusplus::asio::dbus_interface> interface; |
| 213 | if (level == thresholds::Level::WARNING && |
| 214 | direction == thresholds::Direction::HIGH) |
| 215 | { |
| 216 | property = "WarningAlarmHigh"; |
| 217 | interface = sensor->thresholdInterfaceWarning; |
| 218 | } |
| 219 | else if (level == thresholds::Level::WARNING && |
| 220 | direction == thresholds::Direction::LOW) |
| 221 | { |
| 222 | property = "WarningAlarmLow"; |
| 223 | interface = sensor->thresholdInterfaceWarning; |
| 224 | } |
| 225 | else if (level == thresholds::Level::CRITICAL && |
| 226 | direction == thresholds::Direction::HIGH) |
| 227 | { |
| 228 | property = "CriticalAlarmHigh"; |
| 229 | interface = sensor->thresholdInterfaceCritical; |
| 230 | } |
| 231 | else if (level == thresholds::Level::CRITICAL && |
| 232 | direction == thresholds::Direction::LOW) |
| 233 | { |
| 234 | property = "CriticalAlarmLow"; |
| 235 | interface = sensor->thresholdInterfaceCritical; |
| 236 | } |
| 237 | else |
| 238 | { |
| 239 | std::cerr << "Unknown threshold, level " << level << "direction " |
| 240 | << direction << "\n"; |
| 241 | return; |
| 242 | } |
| 243 | if (!interface) |
| 244 | { |
| 245 | std::cout << "trying to set uninitialized interface\n"; |
| 246 | return; |
| 247 | } |
| 248 | interface->set_property(property, assert); |
| 249 | } |
| 250 | |
James Feist | 139cb57 | 2018-09-10 15:26:18 -0700 | [diff] [blame] | 251 | static constexpr std::array<const char *, 4> ATTR_TYPES = {"lcrit", "min", |
| 252 | "max", "crit"}; |
| 253 | |
| 254 | bool ParseThresholdsFromAttr( |
| 255 | std::vector<thresholds::Threshold> &threshold_vector, |
Yoo, Jae Hyun | ac18e14 | 2018-10-09 16:38:58 -0700 | [diff] [blame^] | 256 | const std::string &input_path, const double &scale_factor) |
James Feist | 139cb57 | 2018-09-10 15:26:18 -0700 | [diff] [blame] | 257 | { |
| 258 | for (auto &type : ATTR_TYPES) |
| 259 | { |
| 260 | auto attr_path = boost::replace_all_copy(input_path, "input", type); |
| 261 | std::ifstream attr_file(attr_path); |
| 262 | if (!attr_file.good()) |
| 263 | continue; |
| 264 | std::string attr; |
| 265 | std::getline(attr_file, attr); |
| 266 | attr_file.close(); |
| 267 | |
| 268 | Level level; |
| 269 | Direction direction; |
| 270 | double val = std::stod(attr) / scale_factor; |
| 271 | if (type == "min" || type == "max") |
| 272 | level = Level::WARNING; |
| 273 | else |
| 274 | level = Level::CRITICAL; |
| 275 | if (type == "min" || type == "lcrit") |
| 276 | direction = Direction::LOW; |
| 277 | else |
| 278 | direction = Direction::HIGH; |
| 279 | |
| 280 | if (DEBUG) |
| 281 | std::cout << "Threshold: " << attr_path << ": " << val << "\n"; |
| 282 | |
| 283 | threshold_vector.emplace_back(level, direction, val); |
| 284 | } |
| 285 | // no thresholds is allowed, not an error so return true always |
| 286 | return true; |
| 287 | } |
| 288 | |
| 289 | bool HasCriticalInterface( |
| 290 | const std::vector<thresholds::Threshold> &threshold_vector) |
| 291 | { |
| 292 | for (auto &threshold : threshold_vector) |
| 293 | { |
| 294 | if (threshold.level == Level::CRITICAL) |
| 295 | return true; |
| 296 | } |
| 297 | return false; |
| 298 | } |
| 299 | |
| 300 | bool HasWarningInterface( |
| 301 | const std::vector<thresholds::Threshold> &threshold_vector) |
| 302 | { |
| 303 | for (auto &threshold : threshold_vector) |
| 304 | { |
| 305 | if (threshold.level == Level::WARNING) |
| 306 | return true; |
| 307 | } |
| 308 | return false; |
| 309 | } |
| 310 | } // namespace thresholds |