1 /** 2 * Copyright © 2017 IBM Corporation 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 #include <phosphor-logging/log.hpp> 17 #include <sdbusplus/bus.hpp> 18 #include <systemd/sd-daemon.h> 19 #include "argument.hpp" 20 #include "event.hpp" 21 #include "fan.hpp" 22 #include "fan_defs.hpp" 23 24 using namespace phosphor::fan::monitor; 25 using namespace phosphor::logging; 26 27 int main(int argc, char* argv[]) 28 { 29 auto bus = sdbusplus::bus::new_default(); 30 sd_event* events = nullptr; 31 std::vector<std::unique_ptr<Fan>> fans; 32 phosphor::fan::util::ArgumentParser args(argc, argv); 33 34 if (argc != 2) 35 { 36 args.usage(argv); 37 exit(-1); 38 } 39 40 Mode mode; 41 if (args["init"] == "true") 42 { 43 mode = Mode::init; 44 } 45 else if (args["monitor"] == "true") 46 { 47 mode = Mode::monitor; 48 } 49 else 50 { 51 args.usage(argv); 52 exit(-1); 53 } 54 55 auto r = sd_event_default(&events); 56 if (r < 0) 57 { 58 log<level::ERR>("Failed call to sd_event_default()", 59 entry("ERROR=%s", strerror(-r))); 60 return -1; 61 } 62 63 phosphor::fan::event::EventPtr eventPtr{events}; 64 65 //Attach the event object to the bus object so we can 66 //handle both sd_events (for the timers) and dbus signals. 67 bus.attach_event(eventPtr.get(), SD_EVENT_PRIORITY_NORMAL); 68 69 for (const auto& fanDef : fanDefinitions) 70 { 71 fans.emplace_back(std::make_unique<Fan>(mode, bus, eventPtr, fanDef)); 72 } 73 74 if (mode == Mode::init) 75 { 76 // Fans were initialized to be functional, exit 77 return 0; 78 } 79 else 80 { 81 r = sd_event_loop(eventPtr.get()); 82 if (r < 0) 83 { 84 log<level::ERR>("Failed call to sd_event_loop", 85 entry("ERROR=%s", strerror(-r))); 86 } 87 } 88 89 return -1; 90 } 91