/*
* Get first node in the hashtable.
*/
void lttng_ht_get_first(struct lttng_ht *ht, struct lttng_ht_iter *iter)
{
assert(ht);
assert(ht->ht);
assert(iter);
cds_lfht_first(ht->ht, &iter->iter);
}
void UA_NodeStore_delete(UA_NodeStore *ns) {
struct cds_lfht *ht = ns->ht;
struct cds_lfht_iter iter;
rcu_read_lock();
cds_lfht_first(ht, &iter);
while(iter.node) {
if(!cds_lfht_del(ht, iter.node)) {
struct nodeEntry *entry = (struct nodeEntry*) ((uintptr_t)iter.node - offsetof(struct nodeEntry, htn));
call_rcu(&entry->rcu_head, markDead);
}
cds_lfht_next(ht, &iter);
}
rcu_read_unlock();
cds_lfht_destroy(ht, NULL);
UA_free(ns);
}
void UA_NodeStore_iterate(const UA_NodeStore *ns, UA_NodeStore_nodeVisitor visitor) {
struct cds_lfht *ht = ns->ht;
struct cds_lfht_iter iter;
rcu_read_lock();
cds_lfht_first(ht, &iter);
while(iter.node != NULL) {
struct nodeEntry *found_entry = (struct nodeEntry *)cds_lfht_iter_get_node(&iter);
uatomic_inc(&found_entry->refcount);
const UA_Node *node = &found_entry->node;
rcu_read_unlock();
visitor(node);
UA_NodeStore_release((const UA_Node *)node);
rcu_read_lock();
cds_lfht_next(ht, &iter);
}
rcu_read_unlock();
}