Function parse_app_args

dpdk/examples/server_node_efd/efd_server/args.c:122–171

* The application specific arguments follow the DPDK-specific * arguments which are stripped by the DPDK init. This function * processes these application arguments, printing usage info * on error. */

 * on error.
 */
int
parse_app_args(uint8_t max_ports, int argc, char *argv[])
{
	int option_index, opt;
	char **argvopt = argv;
	static struct option lgopts[] = { /* no long options */
		{NULL, 0, 0, 0 }
	};
	progname = argv[0];

	while ((opt = getopt_long(argc, argvopt, "n:f:p:", lgopts,
			&option_index)) != EOF) {
		switch (opt) {
		case 'p':
			if (parse_portmask(max_ports, optarg) != 0) {
				usage();
				return -1;
			}
			break;
		case 'n':
			if (parse_num_nodes(optarg) != 0) {
				usage();
				return -1;
			}
			break;
		case 'f':
			if (parse_num_flows(optarg) != 0) {
				usage();
				return -1;
			}
			break;
		default:
			printf("ERROR: Unknown option '%c'\n", opt);
			usage();
			return -1;
		}
	}

	if (info->num_ports == 0 || num_nodes == 0) {
		usage();
		return -1;
	}

	if (info->num_ports % 2 != 0) {
		printf("ERROR: application requires an even "
				"number of ports to use\n");
		return -1;
	}
	return 0;
}