Function parse_option_variables

src/Chain/libraries/client/Client.cpp:106–176

                                               const program_options::variables_map& option_variables);
                                               
        program_options::variables_map parse_option_variables(int argc, char** argv) {
            // parse command-line options
            program_options::options_description option_config("Usage");
            option_config.add_options()
            ("help", "Display this help message and exit")
            ("version", "Print version information and exit")
            ("data-dir", program_options::value<FilePath>(), "Set client data directory")
            ("wallet-dir", program_options::value<string>(), "Set Wallet db directory")
            ("genesis-config", program_options::value<string>(),
             "Generate a genesis state with the given JSON file instead of using the built-in "
             "genesis block (only accepted when the blockchain is empty)")
            ("rebuild-index", "Same as --resync-blockchain, except it preserves the raw blockchain data rather "
             "than downloading a new copy")
            ("resync-blockchain", "Delete our copy of the blockchain at startup and download a "
             "fresh copy of the entire blockchain from the network")
            ("statistics-enabled",
             "Index additional blockchain statistics; requires a rebuild or resync if blocks have already been applied")
            ("p2p-port", program_options::value<string>(), "Set network port to listen on (prepend 'r' to enable SO_REUSEADDR)")
            ("accept-incoming-connections", program_options::value<bool>()->default_value(true), "Set to false to reject incoming p2p connections and only establish outbound connections")
            ("upnp", program_options::value<bool>()->default_value(true), "Enable UPNP")
            ("max-connections", program_options::value<uint16_t>(),
             "Set the maximum number of peers this node will accept at any one time")
            ("total-bandwidth-limit", program_options::value<uint32_t>()->default_value(1000000),
             "Limit total bandwidth to this many bytes per second")
            ("min-delegate-connection-count", program_options::value<uint32_t>(),
             "Override the default minimum connection count needed to produce a block")
            ("clear-peer-database", "Erase all information in the peer database")
            ("connect-to", program_options::value<std::vector<string> >(), "Set a remote host to connect to")
            ("disable-default-peers", "Disable automatic connection to default peers")
            ("disable-peer-advertising", "Don't let any peers know which other nodes we're connected to")
            ("server", "Enable JSON-RPC server")
            ("daemon", "Run in daemon mode with no CLI and start JSON-RPC server")
            ("rpcuser", program_options::value<string>(), "Set username for JSON-RPC")
            ("rpcpassword", program_options::value<string>(), "Set password for JSON-RPC")
            ("rpcendpoint", program_options::value<string>(), "Set interface/port to listen for JSON-RPC connections")
            ("rpcport", program_options::value<uint16_t>(), "Set port to listen for JSON-RPC connections")
            ("httpdendpoint", program_options::value<string>(), "Set interface/port to listen for HTTP JSON-RPC connections")
            ("httpport", program_options::value<uint16_t>(), "Set port to listen for HTTP JSON-RPC connections")
            ("chain-server-port", program_options::value<uint16_t>(), "Run a chain server on this port")
            ("input-log", program_options::value< vector<string> >(), "Set log file with CLI commands to execute at startup")
            ("log-commands", "Log all command input and output")
            ("ulog", program_options::value<bool>()->default_value(true), "Enable CLI user logging")
            ("stop-before-block", program_options::value<uint32_t>(), "stop before given block number")
            ("growl", program_options::value<std::string>()->implicit_value("127.0.0.1"), "Send notifications about potential problems to Growl")
            ("growl-password", program_options::value<std::string>(), "Password for authenticating to a Growl server")
            ("growl-identifier", program_options::value<std::string>(), "A name displayed in growl messages to identify this alp_client instance")
            ;
            program_options::variables_map option_variables;
            
            try {
                program_options::store(program_options::command_line_parser(argc, argv).
                                       options(option_config).run(), option_variables);
                program_options::notify(option_variables);
                
            } catch (program_options::error& cmdline_error) {
                std::cerr << "Error: " << cmdline_error.what() << "\n";
                std::cerr << option_config << "\n";
                exit(1);