} /* int uc_init */
int uc_check_timeout(void) {
- cdtime_t now = cdtime();
-
struct {
char *key;
cdtime_t time;
size_t expired_num = 0;
pthread_mutex_lock(&cache_lock);
+ cdtime_t now = cdtime();
/* Build a list of entries to be flushed */
c_avl_iterator_t *iter = c_avl_get_iterator(cache_tree);
/* remove missing values from getval */
if (ce->state == STATE_MISSING) {
+ DEBUG("utils_cache: uc_get_rate_by_name: requested metric \"%s\" is in "
+ "state \"missing\".",
+ name);
status = -1;
} else {
ret_num = ce->values_num;
/* This is important - the caller has no other way of knowing how many
* values are returned. */
- if (ret_num != (size_t)ds->ds_num) {
+ if (ret_num != ds->ds_num) {
ERROR("utils_cache: uc_get_rate: ds[%s] has %zu values, "
"but uc_get_rate_by_name returned %zu.",
ds->type, ds->ds_num, ret_num);
return ret;
} /* gauge_t *uc_get_rate */
+int uc_get_value_by_name(const char *name, value_t **ret_values,
+ size_t *ret_values_num) {
+ value_t *ret = NULL;
+ size_t ret_num = 0;
+ cache_entry_t *ce = NULL;
+ int status = 0;
+
+ pthread_mutex_lock(&cache_lock);
+
+ if (c_avl_get(cache_tree, name, (void *) &ce) == 0) {
+ assert(ce != NULL);
+
+ /* remove missing values from getval */
+ if (ce->state == STATE_MISSING) {
+ status = -1;
+ } else {
+ ret_num = ce->values_num;
+ ret = malloc(ret_num * sizeof(*ret));
+ if (ret == NULL) {
+ ERROR("utils_cache: uc_get_value_by_name: malloc failed.");
+ status = -1;
+ } else {
+ memcpy(ret, ce->values_raw, ret_num * sizeof(value_t));
+ }
+ }
+ }
+ else {
+ DEBUG("utils_cache: uc_get_value_by_name: No such value: %s", name);
+ status = -1;
+ }
+
+ pthread_mutex_unlock(&cache_lock);
+
+ if (status == 0) {
+ *ret_values = ret;
+ *ret_values_num = ret_num;
+ }
+
+ return (status);
+} /* int uc_get_value_by_name */
+
+value_t *uc_get_value(const data_set_t *ds, const value_list_t *vl) {
+ char name[6 * DATA_MAX_NAME_LEN];
+ value_t *ret = NULL;
+ size_t ret_num = 0;
+ int status;
+
+ if (FORMAT_VL(name, sizeof(name), vl) != 0) {
+ ERROR("utils_cache: uc_get_value: FORMAT_VL failed.");
+ return (NULL);
+ }
+
+ status = uc_get_value_by_name(name, &ret, &ret_num);
+ if (status != 0)
+ return (NULL);
+
+ /* This is important - the caller has no other way of knowing how many
+ * values are returned. */
+ if (ret_num != (size_t) ds->ds_num) {
+ ERROR("utils_cache: uc_get_value: ds[%s] has %zu values, "
+ "but uc_get_value_by_name returned %zu.", ds->type, ds->ds_num,
+ ret_num);
+ sfree(ret);
+ return (NULL);
+ }
+
+ return (ret);
+} /* value_t *uc_get_value */
+
size_t uc_get_size(void) {
size_t size_arrays = 0;
return 0;
} /* int uc_iterator_get_name */
+int uc_iterator_get_meta(uc_iter_t *iter, meta_data_t **ret_meta) {
+ if ((iter == NULL) || (iter->entry == NULL) || (ret_meta == NULL))
+ return -1;
+
+ *ret_meta = meta_data_clone(iter->entry->meta);
+
+ return 0;
+} /* int uc_iterator_get_meta */
+
/*
* Meta data interface
*/