int lhi_array_bucket_to_array(const hi_handle_t *hi_handle, size_t bucket, struct lhi_bucket_array *a)
{
unsigned int len, i, j;
int ret = HI_ERR_NODATA;
lhi_pthread_mutex_lock(hi_handle->mutex_lock);
len = hi_handle->eng.eng_array.bucket_array_slot_size[bucket];
if (len == 0)
goto out;
ret = lhi_bucket_array_alloc(a, len);
if (ret)
goto out;
j = 0;
for (i = 0; i < len ; i++) {
/* the array CAN contain spare data buckets, skip it if
* we found such bucket */
if (hi_handle->eng.eng_array.bucket_array[bucket][i].allocation ==
BA_NOT_ALLOCATED)
continue;
a->data[j] = (void *) hi_handle->eng.eng_array.bucket_array[bucket][i].data;
a->keys[j] = (void *) hi_handle->eng.eng_array.bucket_array[bucket][i].key;
a->keys_length[i] = hi_handle->eng.eng_array.bucket_array[bucket][i].key_len;
j++;
}
out:
lhi_pthread_mutex_unlock(hi_handle->mutex_lock);
return ret;
}
int lhi_rbtree_bucket_to_array(const hi_handle_t *hi_handle, size_t tree, struct lhi_bucket_array *a)
{
struct rb_node *rbnode;
size_t max;
int ret = HI_ERR_NODATA;
if (hi_handle->table_size < tree)
return HI_ERR_RANGE;
rbnode = hi_handle->eng_rbtree.trees[tree].root.rb_node;
if (!rbnode)
return HI_ERR_NODATA;
lhi_pthread_rwlock_rdlock(hi_handle->eng_rbtree.trees[tree].rwlock);
max = hi_handle->bucket_size[tree];
if (!max)
goto out;
ret = lhi_bucket_array_alloc(a, max);
if (ret)
goto out;
hi_rbtree_traverse(rbnode, 0, a);
ret = 0;
out:
lhi_pthread_rwlock_unlock(hi_handle->eng_rbtree.trees[tree].rwlock);
return ret;
}
int lhi_list_bucket_to_array(const hi_handle_t *hi_handle, size_t bucket, struct lhi_bucket_array *a)
{
size_t max, i = 0;
int ret = HI_ERR_NODATA;
if (hi_handle->table_size < bucket)
return HI_ERR_RANGE;
lhi_pthread_mutex_lock(hi_handle->mutex_lock);
max = hi_handle->bucket_size[bucket];
if (!max)
goto out_err;
ret = lhi_bucket_array_alloc(a, max);
if (ret)
goto out_err;
switch (hi_handle->coll_eng) {
case COLL_ENG_LIST:
case COLL_ENG_LIST_MTF: {
hi_bucket_obj_t *b_obj = hi_handle->eng_list.bucket_table[bucket];
for (; b_obj; b_obj = b_obj->next) {
a->data[i] = (void*) b_obj->data;
a->keys[i] = (void*) b_obj->key;
a->keys_length[i] = b_obj->key_len;
i++;
}
break;
}
case COLL_ENG_LIST_HASH:
case COLL_ENG_LIST_MTF_HASH: {
hi_bucket_hl_obj_t *b_obj = hi_handle->eng_list.bucket_table_hl[bucket];
for (; b_obj; b_obj = b_obj->next) {
a->data[i] = (void*) b_obj->data;
a->keys[i] = (void*) b_obj->key;
a->keys_length[i] = b_obj->key_len;
i++;
}
break;
}
default:
ret = HI_ERR_INTERNAL;
goto out_err;
}
lhi_pthread_mutex_unlock(hi_handle->mutex_lock);
return 0;
out_err:
lhi_pthread_mutex_unlock(hi_handle->mutex_lock);
return ret;
}