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 <iostream> 17 #include <memory> 18 #include "argument.hpp" 19 #include "mainloop.hpp" 20 #include "config.h" 21 #include "sysfs.hpp" 22 23 static void exit_with_error(const char* err, char** argv) 24 { 25 ArgumentParser::usage(argv); 26 std::cerr << std::endl; 27 std::cerr << "ERROR: " << err << std::endl; 28 exit(-1); 29 } 30 31 int main(int argc, char** argv) 32 { 33 // Read arguments. 34 auto options = std::make_unique<ArgumentParser>(argc, argv); 35 36 // Parse out path argument. 37 auto path = (*options)["dev-path"]; 38 auto param = path; 39 if (path != ArgumentParser::empty_string) 40 { 41 // This path may either be a device path (starts with 42 // /devices), or an open firmware device tree path. 43 if (path.substr(0, 8) == "/devices") 44 { 45 path = sysfs::findHwmonFromDevPath(path); 46 } 47 else 48 { 49 path = sysfs::findHwmonFromOFPath(path); 50 } 51 } 52 53 if (path == ArgumentParser::empty_string) 54 { 55 path = (*options)["path"]; 56 param = path; 57 } 58 59 if (path == ArgumentParser::empty_string) 60 { 61 exit_with_error("Path not specified or invalid.", argv); 62 } 63 64 // Finished getting options out, so cleanup the parser. 65 options.reset(); 66 67 // Determine the physical device sysfs path. 68 auto calloutPath = sysfs::findCalloutPath(path); 69 if (calloutPath.empty()) 70 { 71 exit_with_error("Unable to determine callout path.", argv); 72 } 73 74 MainLoop loop( 75 sdbusplus::bus::new_default(), 76 param, 77 path, 78 calloutPath, 79 BUSNAME_PREFIX, 80 SENSOR_ROOT); 81 loop.run(); 82 83 return 0; 84 } 85 86 // vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4 87