flt_eval.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_FDMI_FLT_EVAL_H__
#define __MOTR_FDMI_FDMI_FLT_EVAL_H__

#include "fdmi/filter.h"
struct m0_conf_fdmi_filter;

struct m0_fdmi_flt_operands {
        int                         ffp_count;
        struct m0_fdmi_flt_operand  ffp_operands[FDMI_FLT_MAX_OPNDS_NR];
};

typedef int (*m0_fdmi_flt_op_cb_t)(struct m0_fdmi_flt_operands *opnds,
                                   struct m0_fdmi_flt_operand  *res);

struct m0_fdmi_eval_ctx {
        m0_fdmi_flt_op_cb_t  opers[M0_FFO_TOTAL_OPS_CNT];
};

struct m0_fdmi_eval_var_info {
        void *user_data;
        int (*get_value_cb)(void                        *user_data,
                            struct m0_fdmi_flt_var_node *value_desc,
                            struct m0_fdmi_flt_operand  *value);
};

M0_INTERNAL void m0_fdmi_eval_init(struct m0_fdmi_eval_ctx *ctx);

M0_INTERNAL int m0_fdmi_eval_add_op_cb(struct m0_fdmi_eval_ctx *ctx,
                                       enum m0_fdmi_flt_op_code op,
                                       m0_fdmi_flt_op_cb_t      cb);

M0_INTERNAL void m0_fdmi_eval_del_op_cb(struct m0_fdmi_eval_ctx *ctx,
                                        enum m0_fdmi_flt_op_code op);

M0_INTERNAL int m0_fdmi_eval_flt(struct m0_fdmi_eval_ctx      *ctx,
                                 struct m0_conf_fdmi_filter   *filter,
                                 struct m0_fdmi_eval_var_info *var_info);

M0_INTERNAL void m0_fdmi_eval_fini(struct m0_fdmi_eval_ctx *ctx);

#endif /* __MOTR_FDMI_FDMI_FLT_EVAL_H__ */

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/*
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