Function ReadCmdArgs

Server/src/openbmp.cpp:187–359

* Parse and handle the command line args * * \param [out] cfg Reference to config options - Will be updated based on cli * * \returns true if error, false if no error * */

 *
 */
bool ReadCmdArgs(int argc, char **argv, Config &cfg) {

    // Make sure we have the correct number of required args
    if (argc > 1 and !strcmp(argv[1], "-v")) {   // Version
        cout << "openbmpd (www.openbmp.org) version : " << OPENBMPD_VERSION << endl;
        exit(0);
    }

    else if (argc > 1 and !strcmp(argv[1], "-h")) {
        Usage(argv[0]);
        exit(0);
    }

    // Loop through the args
    for (int i=1; i < argc; i++) {

        if (!strcmp(argv[i], "-h")) {   // Help message
            Usage(argv[0]);
            exit(0);

        } else if (!strcmp(argv[i], "-p")) {
            // We expect the next arg to be a port
            if (i + 1 >= argc) {
                cout << "INVALID ARG: -p expects a port number" << endl;
                return true;
            }

            cfg.bmp_port = atoi(argv[++i]);

            // Validate the port
            if (cfg.bmp_port < 25 || cfg.bmp_port > 65535) {
                cout << "INVALID ARG: port '" << cfg.bmp_port
                        << "' is out of range, expected range is 100-65535" << endl;
                return true;
            }

        } else if (!strcmp(argv[i], "-hi")) {
            if (i + 1 >= argc) {
                cout << "INVALID ARG: -hi expects minutes" << endl;
                return true;
            }

            cfg.heartbeat_interval = atoi(argv[++i]) * 60;

            // Validate range
            if (cfg.heartbeat_interval < 60 || cfg.heartbeat_interval > 86400) {
                cout << "INVALID ARG: heartbeat interval '" << cfg.heartbeat_interval <<
                                                 "' is out of range, expected range is 1 - 1440" << endl;
                return true;
            }

        } else if (!strcmp(argv[i], "-m")) {
            // We expect the next arg to be mode
            if (i + 1 >= argc) {
                cout << "INVALID ARG: -m expects mode value" << endl;
                return true;
            }