Function output_json

dpdk/lib/telemetry/telemetry.c:237–348

}

static void
output_json(const char *cmd, const struct rte_tel_data *d, int s)
{
	char out_buf[MAX_OUTPUT_LEN];

	char *cb_data_buf;
	size_t buf_len, prefix_used, used = 0;
	unsigned int i;

	RTE_BUILD_BUG_ON(sizeof(out_buf) < MAX_CMD_LEN +
			RTE_TEL_MAX_SINGLE_STRING_LEN + 10);

	prefix_used = snprintf(out_buf, sizeof(out_buf), "{\"%.*s\":",
			MAX_CMD_LEN, cmd);
	cb_data_buf = &out_buf[prefix_used];
	buf_len = sizeof(out_buf) - prefix_used - 1; /* space for '}' */

	switch (d->type) {
	case TEL_NULL:
		used = strlcpy(cb_data_buf, "null", buf_len);
		break;

	case TEL_STRING:
		used = rte_tel_json_str(cb_data_buf, buf_len, 0, d->data.str);
		break;

	case TEL_DICT:
		used = rte_tel_json_empty_obj(cb_data_buf, buf_len, 0);
		for (i = 0; i < d->data_len; i++) {
			const struct tel_dict_entry *v = &d->data.dict[i];
			switch (v->type) {
			case RTE_TEL_STRING_VAL:
				used = rte_tel_json_add_obj_str(cb_data_buf,
						buf_len, used,
						v->name, v->value.sval);
				break;
			case RTE_TEL_INT_VAL:
				used = rte_tel_json_add_obj_int(cb_data_buf,
						buf_len, used,
						v->name, v->value.ival);
				break;
			case RTE_TEL_UINT_VAL:
				used = rte_tel_json_add_obj_uint(cb_data_buf,
						buf_len, used,
						v->name, v->value.uval);
				break;
			case RTE_TEL_CONTAINER:
			{
				char *temp = malloc(buf_len);
				if (temp == NULL)
					break;
				*temp = '\0';  /* ensure valid string */

				const struct container *cont =
						&v->value.container;
				if (container_to_json(cont->data,
						temp, buf_len) != 0)
					used = rte_tel_json_add_obj_json(