Function lsi_parse_args

dpdk/examples/link_status_interrupt/main.c:360–426

Parse the argument given in the command line of the application */

/* Parse the argument given in the command line of the application */
static int
lsi_parse_args(int argc, char **argv)
{
	int opt, ret;
	char **argvopt;
	int option_index;
	char *prgname = argv[0];
	static struct option lgopts[] = {
		{NULL, 0, 0, 0}
	};

	timer_period = DEFAULT_TIMER_PERIOD * TIMER_MILLISECOND * 1000;

	argvopt = argv;

	while ((opt = getopt_long(argc, argvopt, "p:q:T:",
				  lgopts, &option_index)) != EOF) {

		switch (opt) {
		/* portmask */
		case 'p':
			lsi_enabled_port_mask = lsi_parse_portmask(optarg);
			if (lsi_enabled_port_mask == 0) {
				printf("invalid portmask\n");
				lsi_usage(prgname);
				return -1;
			}
			break;

		/* nqueue */
		case 'q':
			lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg);
			if (lsi_rx_queue_per_lcore == 0) {
				printf("invalid queue number\n");
				lsi_usage(prgname);
				return -1;
			}
			break;

		/* timer period */
		case 'T':
			timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
			if (timer_period < 0) {
				printf("invalid timer period\n");
				lsi_usage(prgname);
				return -1;
			}
			break;

		/* long options */
		case 0:
			lsi_usage(prgname);
			return -1;

		default:
			lsi_usage(prgname);
			return -1;
		}