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 CONTROL_USE_JSON 19 #include "argument.hpp" 20 #include "manager.hpp" 21 #else 22 #include "json/manager.hpp" 23 #endif 24 #include "sdbusplus.hpp" 25 #include "sdeventplus.hpp" 26 27 #include <phosphor-logging/log.hpp> 28 #include <sdbusplus/bus.hpp> 29 #include <sdeventplus/event.hpp> 30 #include <sdeventplus/source/signal.hpp> 31 #include <stdplus/signal.hpp> 32 33 using namespace phosphor::fan::control; 34 using namespace phosphor::logging; 35 36 int main(int argc, char* argv[]) 37 { 38 auto event = phosphor::fan::util::SDEventPlus::getEvent(); 39 40 #ifndef CONTROL_USE_JSON 41 phosphor::fan::util::ArgumentParser args(argc, argv); 42 if (argc != 2) 43 { 44 args.usage(argv); 45 return 1; 46 } 47 48 Mode mode; 49 50 if (args["init"] == "true") 51 { 52 mode = Mode::init; 53 } 54 else if (args["control"] == "true") 55 { 56 mode = Mode::control; 57 } 58 else 59 { 60 args.usage(argv); 61 return 1; 62 } 63 #endif 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 phosphor::fan::util::SDBusPlus::getBus().attach_event( 68 event.get(), SD_EVENT_PRIORITY_NORMAL); 69 70 try 71 { 72 #ifdef CONTROL_USE_JSON 73 json::Manager manager(event); 74 75 // Handle loading fan control's config file(s) 76 phosphor::fan::JsonConfig config( 77 std::bind(&json::Manager::load, &manager)); 78 79 // Enable SIGHUP handling to reload JSON configs 80 stdplus::signal::block(SIGHUP); 81 sdeventplus::source::Signal signal( 82 event, SIGHUP, 83 std::bind(&json::Manager::sighupHandler, &manager, 84 std::placeholders::_1, std::placeholders::_2)); 85 86 phosphor::fan::util::SDBusPlus::getBus().request_name(CONTROL_BUSNAME); 87 88 // TODO - Set power state to on until fan control services updated 89 manager.powerStateChanged(true); 90 #else 91 Manager manager(phosphor::fan::util::SDBusPlus::getBus(), event, mode); 92 93 // Init mode will just set fans to max and delay 94 if (mode == Mode::init) 95 { 96 manager.doInit(event); 97 return 0; 98 } 99 #endif 100 return event.loop(); 101 } 102 // Log the useful metadata on these exceptions and let the app 103 // return 1 so it is restarted without a core dump. 104 catch (phosphor::fan::util::DBusServiceError& e) 105 { 106 log<level::ERR>("Uncaught DBus service lookup failure exception", 107 entry("PATH=%s", e.path.c_str()), 108 entry("INTERFACE=%s", e.interface.c_str())); 109 } 110 catch (phosphor::fan::util::DBusMethodError& e) 111 { 112 log<level::ERR>("Uncaught DBus method failure exception", 113 entry("BUSNAME=%s", e.busName.c_str()), 114 entry("PATH=%s", e.path.c_str()), 115 entry("INTERFACE=%s", e.interface.c_str()), 116 entry("METHOD=%s", e.method.c_str())); 117 } 118 catch (phosphor::fan::util::DBusPropertyError& e) 119 { 120 log<level::ERR>("Uncaught DBus property access failure exception", 121 entry("BUSNAME=%s", e.busName.c_str()), 122 entry("PATH=%s", e.path.c_str()), 123 entry("INTERFACE=%s", e.interface.c_str()), 124 entry("PROPERTY=%s", e.property.c_str())); 125 } 126 127 return 1; 128 } 129