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Part of the uuidset implementation is taken from the OVN codebase where it was added via commit 0e77b3bcbfe2 ("ovn-northd-ddlog: New implementation of ovn-northd based on ddlog."). We now extend that, adding a few helpers and tests. Co-authored-by: Leonid Ryzhyk <lryzhyk@vmware.com> Signed-off-by: Leonid Ryzhyk <lryzhyk@vmware.com> Co-authored-by: Justin Pettit <jpettit@ovn.org> Signed-off-by: Justin Pettit <jpettit@ovn.org> Co-authored-by: Ben Pfaff <blp@ovn.org> Signed-off-by: Ben Pfaff <blp@ovn.org> Signed-off-by: Dumitru Ceara <dceara@redhat.com> Reviewed-by: Ales Musil <amusil@redhat.com> Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/*
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* Copyright (c) 2020, 2022 VMware, Inc.
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* Copyright (c) 2022 Red Hat, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <config.h>
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#include "lib/uuidset.h"
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#include "lib/util.h"
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void
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uuidset_init(struct uuidset *set)
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{
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hmap_init(&set->uuids);
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}
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void
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uuidset_destroy(struct uuidset *set)
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{
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if (set) {
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uuidset_clear(set);
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hmap_destroy(&set->uuids);
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}
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}
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void uuidset_clear(struct uuidset *set)
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{
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struct uuidset_node *node;
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HMAP_FOR_EACH_SAFE (node, hmap_node, &set->uuids) {
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uuidset_delete(set, node);
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}
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}
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struct uuidset_node *
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uuidset_find(const struct uuidset *set, const struct uuid *uuid)
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{
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struct uuidset_node *node;
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HMAP_FOR_EACH_WITH_HASH (node, hmap_node, uuid_hash(uuid), &set->uuids) {
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if (uuid_equals(uuid, &node->uuid)) {
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return node;
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}
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}
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return NULL;
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}
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bool
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uuidset_find_and_delete(struct uuidset *set, const struct uuid *uuid)
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{
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struct uuidset_node *node = uuidset_find(set, uuid);
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if (node) {
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uuidset_delete(set, node);
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}
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return !!node;
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}
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void
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uuidset_insert(struct uuidset *set, const struct uuid *uuid)
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{
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if (!uuidset_find(set, uuid)) {
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struct uuidset_node *node = xmalloc(sizeof *node);
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node->uuid = *uuid;
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hmap_insert(&set->uuids, &node->hmap_node, uuid_hash(&node->uuid));
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}
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}
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void
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uuidset_delete(struct uuidset *set, struct uuidset_node *node)
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{
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hmap_remove(&set->uuids, &node->hmap_node);
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free(node);
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}
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struct uuid*
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uuidset_array(const struct uuidset *set)
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{
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struct uuid *array = xmalloc(uuidset_count(set) * sizeof *array);
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struct uuidset_node *node;
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size_t i = 0;
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UUIDSET_FOR_EACH (node, set) {
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array[i++] = node->uuid;
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}
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return array;
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}
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