Patrick Venture | e620656 | 2018-03-08 15:36:53 -0800 | [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 <chrono> |
| 18 | #include <experimental/any> |
| 19 | #include <getopt.h> |
| 20 | #include <iostream> |
| 21 | #include <map> |
| 22 | #include <memory> |
| 23 | #include <mutex> /* not yet used. */ |
| 24 | #include <thread> |
| 25 | #include <vector> |
| 26 | |
| 27 | #include <sdbusplus/bus.hpp> |
| 28 | |
| 29 | /* Configuration. */ |
| 30 | #include "conf.hpp" |
| 31 | |
| 32 | /* Misc. */ |
| 33 | #include "util.hpp" |
| 34 | |
| 35 | /* Controllers & Sensors. */ |
| 36 | #include "interfaces.hpp" |
| 37 | #include "pid/zone.hpp" |
Patrick Venture | 5e92909 | 2018-06-08 10:55:23 -0700 | [diff] [blame] | 38 | #include "sensors/builder.hpp" |
| 39 | #include "sensors/builderconfig.hpp" |
Patrick Venture | e620656 | 2018-03-08 15:36:53 -0800 | [diff] [blame] | 40 | #include "sensors/manager.hpp" |
| 41 | |
| 42 | /* Threads. */ |
| 43 | #include "pid/pidthread.hpp" |
| 44 | #include "threads/busthread.hpp" |
| 45 | |
| 46 | |
| 47 | /* The YAML converted sensor list. */ |
| 48 | extern std::map<std::string, struct sensor> SensorConfig; |
| 49 | /* The YAML converted PID list. */ |
| 50 | extern std::map<int64_t, PIDConf> ZoneConfig; |
| 51 | /* The YAML converted Zone configuration. */ |
| 52 | extern std::map<int64_t, struct zone> ZoneDetailsConfig; |
| 53 | |
| 54 | int main(int argc, char* argv[]) |
| 55 | { |
| 56 | int rc = 0; |
| 57 | int c; |
| 58 | std::string configPath = ""; |
| 59 | |
| 60 | while (1) |
| 61 | { |
| 62 | static struct option long_options[] = |
| 63 | { |
| 64 | {"conf", required_argument, 0, 'c'}, |
| 65 | {0, 0, 0, 0} |
| 66 | }; |
| 67 | |
| 68 | int option_index = 0; |
| 69 | c = getopt_long(argc, argv, "c:", long_options, &option_index); |
| 70 | |
| 71 | if (c == -1) |
| 72 | { |
| 73 | break; |
| 74 | } |
| 75 | |
| 76 | switch (c) |
| 77 | { |
| 78 | case 'c': |
| 79 | configPath = std::string {optarg}; |
| 80 | break; |
| 81 | default: |
| 82 | /* skip garbage. */ |
| 83 | continue; |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | auto ModeControlBus = sdbusplus::bus::new_default(); |
Patrick Venture | fe75b19 | 2018-06-08 11:19:43 -0700 | [diff] [blame] | 88 | SensorManager mgmr; |
Patrick Venture | e620656 | 2018-03-08 15:36:53 -0800 | [diff] [blame] | 89 | std::map<int64_t, std::shared_ptr<PIDZone>> zones; |
| 90 | |
Gunnar Mills | 08afbb2 | 2018-06-14 08:50:53 -0500 | [diff] [blame] | 91 | // Create a manager for the ModeBus because we own it. |
Patrick Venture | e620656 | 2018-03-08 15:36:53 -0800 | [diff] [blame] | 92 | static constexpr auto modeRoot = "/xyz/openbmc_project/settings/fanctrl"; |
| 93 | sdbusplus::server::manager::manager(ModeControlBus, modeRoot); |
| 94 | |
| 95 | /* |
| 96 | * When building the sensors, if any of the dbus passive ones aren't on the |
| 97 | * bus, it'll fail immediately. |
| 98 | */ |
| 99 | if (configPath.length() > 0) |
| 100 | { |
| 101 | try |
| 102 | { |
| 103 | mgmr = BuildSensorsFromConfig(configPath); |
| 104 | zones = BuildZonesFromConfig(configPath, mgmr, ModeControlBus); |
| 105 | } |
| 106 | catch (const std::exception& e) |
| 107 | { |
| 108 | std::cerr << "Failed during building: " << e.what() << "\n"; |
| 109 | exit(EXIT_FAILURE); /* fatal error. */ |
| 110 | } |
| 111 | } |
| 112 | else |
| 113 | { |
| 114 | mgmr = BuildSensors(SensorConfig); |
| 115 | zones = BuildZones(ZoneConfig, ZoneDetailsConfig, mgmr, ModeControlBus); |
| 116 | } |
| 117 | |
| 118 | if (0 == zones.size()) |
| 119 | { |
| 120 | std::cerr << "No zones defined, exiting.\n"; |
| 121 | return rc; |
| 122 | } |
| 123 | |
| 124 | /* |
| 125 | * All sensors are managed by one manager, but each zone has a pointer to |
| 126 | * it. |
| 127 | */ |
| 128 | |
Patrick Venture | fe75b19 | 2018-06-08 11:19:43 -0700 | [diff] [blame] | 129 | auto& HostSensorBus = mgmr.getHostBus(); |
| 130 | auto& PassiveListeningBus = mgmr.getPassiveBus(); |
Patrick Venture | e620656 | 2018-03-08 15:36:53 -0800 | [diff] [blame] | 131 | |
| 132 | std::cerr << "Starting threads\n"; |
| 133 | |
| 134 | /* TODO(venture): Ask SensorManager if we have any passive sensors. */ |
| 135 | struct ThreadParams p = |
| 136 | { |
| 137 | std::ref(PassiveListeningBus), |
| 138 | "" |
| 139 | }; |
| 140 | std::thread l(BusThread, std::ref(p)); |
| 141 | |
| 142 | /* TODO(venture): Ask SensorManager if we have any host sensors. */ |
| 143 | static constexpr auto hostBus = "xyz.openbmc_project.Hwmon.external"; |
| 144 | struct ThreadParams e = |
| 145 | { |
| 146 | std::ref(HostSensorBus), |
| 147 | hostBus |
| 148 | }; |
| 149 | std::thread te(BusThread, std::ref(e)); |
| 150 | |
| 151 | static constexpr auto modeBus = "xyz.openbmc_project.State.FanCtrl"; |
| 152 | struct ThreadParams m = |
| 153 | { |
| 154 | std::ref(ModeControlBus), |
| 155 | modeBus |
| 156 | }; |
| 157 | std::thread tm(BusThread, std::ref(m)); |
| 158 | |
| 159 | std::vector<std::thread> zoneThreads; |
| 160 | |
| 161 | /* TODO(venture): This was designed to have one thread per zone, but really |
| 162 | * it could have one thread for all the zones and iterate through each |
| 163 | * sequentially as it goes -- and it'd probably be fast enough to do that, |
| 164 | * however, a system isn't likely going to have more than a couple zones. |
| 165 | * If it only has a couple zones, then this is fine. |
| 166 | */ |
| 167 | for (auto& i : zones) |
| 168 | { |
| 169 | std::cerr << "pushing zone" << std::endl; |
| 170 | zoneThreads.push_back(std::thread(PIDControlThread, i.second)); |
| 171 | } |
| 172 | |
| 173 | l.join(); |
| 174 | te.join(); |
| 175 | tm.join(); |
| 176 | for (auto& t : zoneThreads) |
| 177 | { |
| 178 | t.join(); |
| 179 | } |
| 180 | |
| 181 | return rc; |
| 182 | } |
| 183 | |