filterc.h

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/* -*- C -*- */
/*
 * Copyright (c) 2017-2020 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
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For any questions about this software or licensing,
 * please email opensource@seagate.com or cortx-questions@seagate.com.
 *
 */


#pragma once

#ifndef __MOTR_FDMI_FILTERC_H__
#define __MOTR_FDMI_FILTERC_H__

#include "rpc/rpclib.h"
#include "conf/confc.h"
#include "fdmi/fdmi.h"

struct m0_motr;

struct m0_filterc_ctx;
struct m0_filterc_iter;

struct m0_filterc_ops {
        int  (*fco_start)(struct m0_filterc_ctx *ctx,
                          struct m0_reqh        *reqh);
        void (*fco_stop)(struct m0_filterc_ctx *ctx);
        int  (*fco_open)(struct m0_filterc_ctx   *ctx,
                        enum m0_fdmi_rec_type_id  rec_type_id,
                        struct m0_filterc_iter   *iter);
        int  (*fco_get_next)(struct m0_filterc_iter      *iter,
                             struct m0_conf_fdmi_filter **out);
        void (*fco_close)(struct m0_filterc_iter *iter);
};

extern const struct m0_filterc_ops filterc_def_ops;

struct m0_filterc_ctx {
        struct m0_confc                 *fcc_confc;
        const struct m0_filterc_ops     *fcc_ops;
};

struct m0_filterc_iter {
        struct m0_filterc_ctx       *fci_filterc_ctx;
        struct m0_conf_obj          *fci_dir;
        struct m0_conf_fdmi_filter  *fci_cur_flt;
};

M0_INTERNAL void m0_filterc_ctx_init(struct m0_filterc_ctx       *ctx,
                                     const struct m0_filterc_ops *ops);

M0_INTERNAL void m0_filterc_ctx_fini(struct m0_filterc_ctx *ctx);

#endif /* __MOTR_FDMI_FDMI_SERVICE_H__ */

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/*
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