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 if (path != ArgumentParser::empty_string) 39 { 40 // This path may either be a device path (starts with 41 // /devices), or an open firmware device tree path. 42 if (path.substr(0, 8) == "/devices") 43 { 44 path = sysfs::findHwmonFromDevPath(path); 45 } 46 else 47 { 48 path = sysfs::findHwmonFromOFPath(path); 49 } 50 } 51 52 if (path == ArgumentParser::empty_string) 53 { 54 path = (*options)["path"]; 55 } 56 57 if (path == ArgumentParser::empty_string) 58 { 59 exit_with_error("Path not specified or invalid.", argv); 60 } 61 62 // Finished getting options out, so cleanup the parser. 63 options.reset(); 64 65 // Determine the physical device sysfs path. 66 auto calloutPath = sysfs::findCalloutPath(path); 67 if (calloutPath.empty()) 68 { 69 exit_with_error("Unable to determine callout path.", argv); 70 } 71 72 MainLoop loop( 73 sdbusplus::bus::new_default(), 74 path, 75 calloutPath, 76 BUSNAME_PREFIX, 77 SENSOR_ROOT); 78 loop.run(); 79 80 return 0; 81 } 82 83 // vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4 84