Function parse_config

dpdk/examples/l3fwd-graph/main.c:402–461

}

static int
parse_config(const char *q_arg)
{
	enum fieldnames { FLD_PORT = 0, FLD_QUEUE, FLD_LCORE, _NUM_FLD };
	unsigned long int_fld[_NUM_FLD];
	const char *p, *p0 = q_arg;
	char *str_fld[_NUM_FLD];
	uint32_t size;
	char s[256];
	char *end;
	int i;

	nb_lcore_params = 0;

	while ((p = strchr(p0, '(')) != NULL) {
		++p;
		p0 = strchr(p, ')');
		if (p0 == NULL)
			return -1;

		size = p0 - p;
		if (size >= sizeof(s))
			return -1;

		memcpy(s, p, size);
		s[size] = '\0';
		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
		    _NUM_FLD)
			return -1;
		for (i = 0; i < _NUM_FLD; i++) {
			errno = 0;
			int_fld[i] = strtoul(str_fld[i], &end, 0);
			if (errno != 0 || end == str_fld[i])
				return -1;
		}

		if (nb_lcore_params >= MAX_LCORE_PARAMS) {
			printf("Exceeded max number of lcore params: %hu\n",
			       nb_lcore_params);
			return -1;
		}

		if (int_fld[FLD_PORT] >= RTE_MAX_ETHPORTS ||
		    int_fld[FLD_LCORE] >= RTE_MAX_LCORE) {
			printf("Invalid port/lcore id\n");
			return -1;
		}

		lcore_params_array[nb_lcore_params].port_id =
			(uint16_t)int_fld[FLD_PORT];
		lcore_params_array[nb_lcore_params].queue_id =
			(uint16_t)int_fld[FLD_QUEUE];
		lcore_params_array[nb_lcore_params].lcore_id =
			(uint32_t)int_fld[FLD_LCORE];
		++nb_lcore_params;
	}
	lcore_params = lcore_params_array;