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 24 #include <iostream> 25 #include <memory> 26 27 static void exit_with_error(const std::string& help, const char* err) 28 { 29 std::cerr << "ERROR: " << err << std::endl << help << std::endl; 30 exit(-1); 31 } 32 33 int main(int argc, char** argv) 34 { 35 // Read arguments. 36 std::string syspath = ""; 37 std::string devpath = ""; 38 std::string sensor_id = ""; 39 40 CLI::App app{"OpenBMC Hwmon Daemon"}; 41 app.add_option("-p,--path", syspath, "sysfs location to monitor"); 42 app.add_option("-o,--dev-path", devpath, "device path to monitor"); 43 app.add_option("-i,--sensor-id", sensor_id, "dbus sensor instance id"); 44 45 CLI11_PARSE(app, argc, argv); 46 47 // Parse out path argument. 48 auto path = devpath; 49 auto param = path; 50 if (!path.empty()) 51 { 52 // This path may either be a device path (starts with 53 // /devices), or an open firmware device tree path. 54 if (path.substr(0, 8) == "/devices") 55 { 56 path = sysfs::findHwmonFromDevPath(path); 57 } 58 else 59 { 60 path = sysfs::findHwmonFromOFPath(path); 61 } 62 } 63 64 if (path.empty()) 65 { 66 path = syspath; 67 param = path; 68 } 69 70 if (path.empty()) 71 { 72 exit_with_error(app.help("", CLI::AppFormatMode::All), 73 "Path not specified or invalid."); 74 } 75 76 // Determine the physical device sysfs path. 77 auto calloutPath = sysfs::findCalloutPath(path); 78 if (calloutPath.empty()) 79 { 80 exit_with_error(app.help("", CLI::AppFormatMode::All), 81 "Unable to determine callout path."); 82 } 83 84 hwmonio::HwmonIO io(path); 85 MainLoop loop(sdbusplus::bus::new_default(), param, path, calloutPath, 86 BUSNAME_PREFIX, SENSOR_ROOT, sensor_id, &io); 87 loop.run(); 88 89 return 0; 90 } 91 92 // vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4 93