read config under the home directory or /etc/mqtt2LoRaWAN directory. Alternatively, a config file can also be specified via command line.
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6ef0fdae55
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26
main.cpp
26
main.cpp
@ -315,8 +315,8 @@ int main(int argc, char *argv[])
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boost::program_options::options_description desc_env;
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desc_env.add_options() ("path", "the execution path")
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("home", "the home directory of the executing user")
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("verbosity", po::value<std::string>()->default_value("INFO"), "set verbosity: DEBUG, INFO, WARN, ERROR, FATAL")
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("hostname", boost::program_options::value<std::string>(&hostname));
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("verbosity", po::value<std::string>()->default_value("INFO"), "set verbosity: DEBUG, INFO, WARN, ERROR, FATAL")
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("hostname", boost::program_options::value<std::string>(&hostname));
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boost::program_options::variables_map vm_env;
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boost::program_options::store(boost::program_options::parse_environment(desc_env, boost::function1<std::string, std::string>(mapper)), vm_env);
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@ -347,7 +347,7 @@ int main(int argc, char *argv[])
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("version,v", "print the version number")
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("hostname,h", po::value<string>()->default_value("localhost"), "Hostname")
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("port,p", po::value<int>()->default_value(1883), "Port")
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("config,c", po::value<std::string>()->default_value("default.conf"), "configuration file")
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("config,c", po::value<std::string>(), "configuration file")
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("magic,m", po::value<magic_number>(), "magic value (in NNN-NNN format)")
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("appeui", po::value<appeui>(), "APPEUI")
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("deveui", po::value<deveui>(), "DEVEUI")
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@ -363,8 +363,24 @@ int main(int argc, char *argv[])
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po::variables_map variable_map;
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po::store(po::parse_command_line(argc, argv, command_line_options), variable_map);
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po::notify(variable_map);
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auto config_file = variable_map.at("config").as<std::string>();
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std::string config_file;
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if( variable_map.count("config") ){
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config_file = variable_map.at("config").as<std::string>();
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}else if( vm_env.count("home") ){
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if(std::filesystem::exists( vm_env["home"].as<std::string>() + "/.config/mqtt2LoRaWAN/default.conf" )){
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config_file = vm_env["home"].as<std::string>() + "/.config/mqtt2LoRaWAN/default.conf";
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}else if(std::filesystem::exists("/etc/mqtt2LoRaWAN/default.conf")){
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config_file = "/etc/mqtt2LoRaWAN/default.conf";
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}
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}else{
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if(std::filesystem::exists("/etc/mqtt2LoRaWAN/default.conf")){
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config_file = "/etc/mqtt2LoRaWAN/default.conf";
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}
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}
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std::ifstream ifs(config_file.c_str());
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if (!ifs) {
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