1 /** 2 * Copyright © 2016 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 #include "hwmonio.hpp" 19 #include "mainloop.hpp" 20 #include "sysfs.hpp" 21 22 #include <CLI/CLI.hpp> 23 #include <iostream> 24 #include <memory> 25 26 static void exit_with_error(const std::string& help, const char* err) 27 { 28 std::cerr << "ERROR: " << err << std::endl << help << std::endl; 29 exit(-1); 30 } 31 32 int main(int argc, char** argv) 33 { 34 // Read arguments. 35 std::string syspath = ""; 36 std::string devpath = ""; 37 std::string sensor_id = ""; 38 39 CLI::App app{"OpenBMC Hwmon Daemon"}; 40 app.add_option("-p,--path", syspath, "sysfs location to monitor"); 41 app.add_option("-o,--dev-path", devpath, "device path to monitor"); 42 app.add_option("-i,--sensor-id", sensor_id, "dbus sensor instance id"); 43 44 CLI11_PARSE(app, argc, argv); 45 46 // Parse out path argument. 47 auto path = devpath; 48 auto param = path; 49 if (!path.empty()) 50 { 51 // This path may either be a device path (starts with 52 // /devices), or an open firmware device tree path. 53 if (path.substr(0, 8) == "/devices") 54 { 55 path = sysfs::findHwmonFromDevPath(path); 56 } 57 else 58 { 59 path = sysfs::findHwmonFromOFPath(path); 60 } 61 } 62 63 if (path.empty()) 64 { 65 path = syspath; 66 param = path; 67 } 68 69 if (path.empty()) 70 { 71 exit_with_error(app.help("", CLI::AppFormatMode::All), 72 "Path not specified or invalid."); 73 } 74 75 // Determine the physical device sysfs path. 76 auto calloutPath = sysfs::findCalloutPath(path); 77 if (calloutPath.empty()) 78 { 79 exit_with_error(app.help("", CLI::AppFormatMode::All), 80 "Unable to determine callout path."); 81 } 82 83 hwmonio::HwmonIO io(path); 84 MainLoop loop(sdbusplus::bus::new_default(), param, path, calloutPath, 85 BUSNAME_PREFIX, SENSOR_ROOT, sensor_id, &io); 86 loop.run(); 87 88 return 0; 89 } 90 91 // vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4 92