ns_iter.h

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/* -*- C -*- */
/*
 * Copyright (c) 2012-2020 Seagate Technology LLC and/or its Affiliates
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
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#pragma once

#ifndef __MOTR_COB_NS_ITER_H__
#define __MOTR_COB_NS_ITER_H__

#include "cob/cob.h"

struct m0_cob_fid_ns_iter {
        struct m0_cob_domain *cni_cdom;

        struct m0_be_btree_cursor  cni_it;
        struct m0_fid         cni_last_fid;
};

M0_INTERNAL int m0_cob_ns_iter_init(struct m0_cob_fid_ns_iter *iter,
                                    struct m0_fid *gfid,
                                    struct m0_cob_domain *cdom);

M0_INTERNAL int m0_cob_ns_iter_next(struct m0_cob_fid_ns_iter *iter,
                                    struct m0_fid *gfid,
                                    struct m0_cob_nsrec **nsrec);

M0_INTERNAL int m0_cob_ns_rec_of(struct m0_be_btree *cob_namespace,
                                 const struct m0_fid *key_gfid,
                                 struct m0_fid *next_gfid,
                                 struct m0_cob_nsrec **nsrec);

M0_INTERNAL void m0_cob_ns_iter_fini(struct m0_cob_fid_ns_iter *iter);

#endif    /* __MOTR_COB_NS_ITER_H__ */
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