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 "config.h" 17 18 #ifndef MONITOR_USE_JSON 19 #include "argument.hpp" 20 #endif 21 #include "fan.hpp" 22 #ifdef MONITOR_USE_JSON 23 #include "json_config.hpp" 24 #include "json_parser.hpp" 25 #endif 26 #include "system.hpp" 27 #include "trust_manager.hpp" 28 29 #include <sdbusplus/bus.hpp> 30 #include <sdeventplus/event.hpp> 31 #include <sdeventplus/source/signal.hpp> 32 #include <stdplus/signal.hpp> 33 34 using namespace phosphor::fan::monitor; 35 36 int main(int argc, char* argv[]) 37 { 38 auto event = sdeventplus::Event::get_default(); 39 auto bus = sdbusplus::bus::new_default(); 40 Mode mode = Mode::init; 41 42 #ifndef MONITOR_USE_JSON 43 phosphor::fan::util::ArgumentParser args(argc, argv); 44 45 if (argc != 2) 46 { 47 args.usage(argv); 48 return 1; 49 } 50 51 if (args["init"] == "true") 52 { 53 mode = Mode::init; 54 } 55 else if (args["monitor"] == "true") 56 { 57 mode = Mode::monitor; 58 } 59 else 60 { 61 args.usage(argv); 62 return 1; 63 } 64 #endif 65 66 // Attach the event object to the bus object so we can 67 // handle both sd_events (for the timers) and dbus signals. 68 bus.attach_event(event.get(), SD_EVENT_PRIORITY_NORMAL); 69 70 System system(mode, bus, event); 71 72 #ifdef MONITOR_USE_JSON 73 74 phosphor::fan::JsonConfig config(std::bind(&System::start, &system)); 75 76 // Enable SIGHUP handling to reload JSON config 77 stdplus::signal::block(SIGHUP); 78 sdeventplus::source::Signal signal(event, SIGHUP, 79 std::bind(&System::sighupHandler, 80 &system, std::placeholders::_1, 81 std::placeholders::_2)); 82 bus.request_name(THERMAL_ALERT_BUSNAME); 83 #else 84 system.start(); 85 86 if (mode == Mode::init) 87 { 88 // Fans were initialized to be functional, exit 89 return 0; 90 } 91 #endif 92 93 return event.loop(); 94 } 95