Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 1 | /** |
| 2 | * Copyright 2017 Google Inc. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <iostream> |
Patrick Venture | fe75b19 | 2018-06-08 11:19:43 -0700 | [diff] [blame] | 18 | #include <map> |
| 19 | #include <string> |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 20 | |
| 21 | /* Configuration. */ |
| 22 | #include "conf.hpp" |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 23 | #include "dbus/dbuspassive.hpp" |
James Feist | 7136a5a | 2018-07-19 09:52:05 -0700 | [diff] [blame] | 24 | #include "dbus/dbuswrite.hpp" |
Patrick Venture | c404b3e | 2018-10-30 14:17:49 -0700 | [diff] [blame] | 25 | #include "errors/exception.hpp" |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 26 | #include "interfaces.hpp" |
| 27 | #include "notimpl/readonly.hpp" |
| 28 | #include "notimpl/writeonly.hpp" |
Patrick Venture | cdd6134 | 2020-08-07 15:49:56 -0700 | [diff] [blame] | 29 | #include "sensors/build_utils.hpp" |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 30 | #include "sensors/builder.hpp" |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 31 | #include "sensors/host.hpp" |
Patrick Venture | da4a5dd | 2018-08-31 09:42:48 -0700 | [diff] [blame] | 32 | #include "sensors/manager.hpp" |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 33 | #include "sensors/pluggable.hpp" |
| 34 | #include "sysfs/sysfsread.hpp" |
| 35 | #include "sysfs/sysfswrite.hpp" |
| 36 | #include "util.hpp" |
| 37 | |
Patrick Venture | a076487 | 2020-08-08 07:48:43 -0700 | [diff] [blame^] | 38 | namespace pid_control |
| 39 | { |
| 40 | |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 41 | static constexpr bool deferSignals = true; |
Patrick Venture | 0df7c0f | 2018-06-13 09:02:13 -0700 | [diff] [blame] | 42 | static DbusHelper helper; |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 43 | |
Patrick Venture | f325231 | 2018-10-30 08:42:53 -0700 | [diff] [blame] | 44 | SensorManager |
James Feist | 1fe0895 | 2019-05-07 09:17:16 -0700 | [diff] [blame] | 45 | buildSensors(const std::map<std::string, struct conf::SensorConfig>& config, |
| 46 | sdbusplus::bus::bus& passive, sdbusplus::bus::bus& host) |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 47 | { |
James Feist | 1fe0895 | 2019-05-07 09:17:16 -0700 | [diff] [blame] | 48 | SensorManager mgmr(passive, host); |
Patrick Venture | c179d40 | 2018-10-30 19:51:55 -0700 | [diff] [blame] | 49 | auto& hostSensorBus = mgmr.getHostBus(); |
| 50 | auto& passiveListeningBus = mgmr.getPassiveBus(); |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 51 | |
Patrick Venture | 4a2dc4d | 2018-10-23 09:02:55 -0700 | [diff] [blame] | 52 | for (const auto& it : config) |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 53 | { |
| 54 | std::unique_ptr<ReadInterface> ri; |
| 55 | std::unique_ptr<WriteInterface> wi; |
| 56 | |
| 57 | std::string name = it.first; |
James Feist | f81f288 | 2019-02-26 11:26:36 -0800 | [diff] [blame] | 58 | const struct conf::SensorConfig* info = &it.second; |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 59 | |
| 60 | std::cerr << "Sensor: " << name << " " << info->type << " "; |
Patrick Venture | 69c5106 | 2019-02-11 09:46:03 -0800 | [diff] [blame] | 61 | std::cerr << info->readPath << " " << info->writePath << "\n"; |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 62 | |
Patrick Venture | 69c5106 | 2019-02-11 09:46:03 -0800 | [diff] [blame] | 63 | IOInterfaceType rtype = getReadInterfaceType(info->readPath); |
| 64 | IOInterfaceType wtype = getWriteInterfaceType(info->writePath); |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 65 | |
| 66 | // fan sensors can be ready any way and written others. |
| 67 | // fan sensors are the only sensors this is designed to write. |
Patrick Venture | da4a5dd | 2018-08-31 09:42:48 -0700 | [diff] [blame] | 68 | // Nothing here should be write-only, although, in theory a fan could |
| 69 | // be. I'm just not sure how that would fit together. |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 70 | // TODO(venture): It should check with the ObjectMapper to check if |
| 71 | // that sensor exists on the Dbus. |
| 72 | switch (rtype) |
| 73 | { |
| 74 | case IOInterfaceType::DBUSPASSIVE: |
James Feist | 98b704e | 2019-06-03 16:24:53 -0700 | [diff] [blame] | 75 | // we only need to make one match based on the dbus object |
| 76 | static std::shared_ptr<DbusPassiveRedundancy> redundancy = |
| 77 | std::make_shared<DbusPassiveRedundancy>( |
| 78 | passiveListeningBus); |
| 79 | |
| 80 | if (info->type == "fan") |
| 81 | { |
| 82 | ri = DbusPassive::createDbusPassive( |
| 83 | passiveListeningBus, info->type, name, &helper, info, |
| 84 | redundancy); |
| 85 | } |
| 86 | else |
| 87 | { |
| 88 | ri = DbusPassive::createDbusPassive(passiveListeningBus, |
| 89 | info->type, name, |
| 90 | &helper, info, nullptr); |
| 91 | } |
Patrick Venture | e725286 | 2018-10-30 14:23:32 -0700 | [diff] [blame] | 92 | if (ri == nullptr) |
| 93 | { |
| 94 | throw SensorBuildException( |
| 95 | "Failed to create dbus passive sensor: " + name + |
| 96 | " of type: " + info->type); |
| 97 | } |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 98 | break; |
| 99 | case IOInterfaceType::EXTERNAL: |
| 100 | // These are a special case for read-only. |
| 101 | break; |
| 102 | case IOInterfaceType::SYSFS: |
Patrick Venture | 69c5106 | 2019-02-11 09:46:03 -0800 | [diff] [blame] | 103 | ri = std::make_unique<SysFsRead>(info->readPath); |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 104 | break; |
| 105 | default: |
| 106 | ri = std::make_unique<WriteOnly>(); |
| 107 | break; |
| 108 | } |
| 109 | |
| 110 | if (info->type == "fan") |
| 111 | { |
| 112 | switch (wtype) |
| 113 | { |
| 114 | case IOInterfaceType::SYSFS: |
| 115 | if (info->max > 0) |
| 116 | { |
| 117 | wi = std::make_unique<SysFsWritePercent>( |
Patrick Venture | 69c5106 | 2019-02-11 09:46:03 -0800 | [diff] [blame] | 118 | info->writePath, info->min, info->max); |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 119 | } |
| 120 | else |
| 121 | { |
Patrick Venture | 69c5106 | 2019-02-11 09:46:03 -0800 | [diff] [blame] | 122 | wi = std::make_unique<SysFsWrite>(info->writePath, |
Patrick Venture | da4a5dd | 2018-08-31 09:42:48 -0700 | [diff] [blame] | 123 | info->min, info->max); |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 124 | } |
| 125 | |
| 126 | break; |
James Feist | 7136a5a | 2018-07-19 09:52:05 -0700 | [diff] [blame] | 127 | case IOInterfaceType::DBUSACTIVE: |
| 128 | if (info->max > 0) |
| 129 | { |
Patrick Venture | f5e770b | 2018-10-30 12:28:53 -0700 | [diff] [blame] | 130 | wi = DbusWritePercent::createDbusWrite( |
Patrick Venture | 69c5106 | 2019-02-11 09:46:03 -0800 | [diff] [blame] | 131 | info->writePath, info->min, info->max, helper); |
James Feist | 7136a5a | 2018-07-19 09:52:05 -0700 | [diff] [blame] | 132 | } |
| 133 | else |
| 134 | { |
Patrick Venture | f5e770b | 2018-10-30 12:28:53 -0700 | [diff] [blame] | 135 | wi = DbusWrite::createDbusWrite( |
Patrick Venture | 69c5106 | 2019-02-11 09:46:03 -0800 | [diff] [blame] | 136 | info->writePath, info->min, info->max, helper); |
Patrick Venture | e725286 | 2018-10-30 14:23:32 -0700 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | if (wi == nullptr) |
| 140 | { |
| 141 | throw SensorBuildException( |
| 142 | "Unable to create write dbus interface for path: " + |
Patrick Venture | 69c5106 | 2019-02-11 09:46:03 -0800 | [diff] [blame] | 143 | info->writePath); |
James Feist | 7136a5a | 2018-07-19 09:52:05 -0700 | [diff] [blame] | 144 | } |
| 145 | |
| 146 | break; |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 147 | default: |
| 148 | wi = std::make_unique<ReadOnlyNoExcept>(); |
| 149 | break; |
| 150 | } |
| 151 | |
| 152 | auto sensor = std::make_unique<PluggableSensor>( |
Patrick Venture | da4a5dd | 2018-08-31 09:42:48 -0700 | [diff] [blame] | 153 | name, info->timeout, std::move(ri), std::move(wi)); |
Patrick Venture | fe75b19 | 2018-06-08 11:19:43 -0700 | [diff] [blame] | 154 | mgmr.addSensor(info->type, name, std::move(sensor)); |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 155 | } |
| 156 | else if (info->type == "temp" || info->type == "margin") |
| 157 | { |
| 158 | // These sensors are read-only, but only for this application |
| 159 | // which only writes to fan sensors. |
Patrick Venture | 69c5106 | 2019-02-11 09:46:03 -0800 | [diff] [blame] | 160 | std::cerr << info->type << " readPath: " << info->readPath << "\n"; |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 161 | |
| 162 | if (IOInterfaceType::EXTERNAL == rtype) |
| 163 | { |
| 164 | std::cerr << "Creating HostSensor: " << name |
Patrick Venture | 69c5106 | 2019-02-11 09:46:03 -0800 | [diff] [blame] | 165 | << " path: " << info->readPath << "\n"; |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 166 | |
| 167 | /* |
| 168 | * The reason we handle this as a HostSensor is because it's |
| 169 | * not quite pluggable; but maybe it could be. |
| 170 | */ |
Patrick Venture | 563a356 | 2018-10-30 09:31:26 -0700 | [diff] [blame] | 171 | auto sensor = HostSensor::createTemp( |
Patrick Venture | 69c5106 | 2019-02-11 09:46:03 -0800 | [diff] [blame] | 172 | name, info->timeout, hostSensorBus, info->readPath.c_str(), |
Patrick Venture | da4a5dd | 2018-08-31 09:42:48 -0700 | [diff] [blame] | 173 | deferSignals); |
Patrick Venture | fe75b19 | 2018-06-08 11:19:43 -0700 | [diff] [blame] | 174 | mgmr.addSensor(info->type, name, std::move(sensor)); |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 175 | } |
| 176 | else |
| 177 | { |
| 178 | wi = std::make_unique<ReadOnlyNoExcept>(); |
| 179 | auto sensor = std::make_unique<PluggableSensor>( |
Patrick Venture | da4a5dd | 2018-08-31 09:42:48 -0700 | [diff] [blame] | 180 | name, info->timeout, std::move(ri), std::move(wi)); |
Patrick Venture | fe75b19 | 2018-06-08 11:19:43 -0700 | [diff] [blame] | 181 | mgmr.addSensor(info->type, name, std::move(sensor)); |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 182 | } |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | return mgmr; |
| 187 | } |
Patrick Venture | a076487 | 2020-08-08 07:48:43 -0700 | [diff] [blame^] | 188 | |
| 189 | } // namespace pid_control |