Function process_extra_prometheus_entry

modules/prometheus/prometheus.c:635–727

	} while(0)

int process_extra_prometheus_entry(cJSON *obj,str *page, int max_len)
{
	cJSON *header,*values,*value, *name, *counter;
	str val, cval;
	int c;

	if (!obj)
		return -1;

	if (obj->type != cJSON_Object) {
		LM_ERR("Expecting a JSON object in the array but got %d \n",obj->type);
		return -1;
	}

	header = cJSON_GetObjectItem(obj, "header");
	values = cJSON_GetObjectItem(obj, "values");

	if (!header || header->type != cJSON_String) {
		LM_ERR("Invalid header provided \n");
		return -1;
	}

	if (!values || values->type != cJSON_Array) {
		LM_ERR("Invalid values provided \n");
		return -1;
	}

	val.s = header->valuestring;
	val.len = strlen(val.s);

	if (!val.len) {
		LM_ERR("No header content provided \n");
		return -1;
	}

	if (page->len + val.len + 1 >= max_len) {
		LM_ERR("No more HTTP buffer space, have %d, need extra %d into max %d\n",page->len,val.len + 1,max_len);
		return -1;
	}

	memcpy(page->s + page->len,val.s,val.len);
	page->len += val.len;	

	memcpy(page->s + page->len, "\n", 1);
	page->len += 1;

	value = values->child;
	while (value) {
		if (value->type != cJSON_Object) {
			LM_ERR("Expected value object and found type %d\n",value->type);
			goto next_value;
		}

		name = cJSON_GetObjectItem(value, "name");
		if (!name || name->type != cJSON_String) {
			LM_ERR("Stat name not found \n");
			goto next_value;
		}