serialize.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
 *
 * 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_NET_TEST_SERIALIZE_H__
#define __MOTR_NET_TEST_SERIALIZE_H__

#include "lib/types.h"  /* m0_bcount_t */
#include "lib/vec.h"    /* m0_buvfec */

enum m0_net_test_serialize_op {
        M0_NET_TEST_SERIALIZE,  
        M0_NET_TEST_DESERIALIZE, 
};

struct m0_net_test_descr {
        size_t ntd_offset;      
        size_t ntd_length;      
        bool   ntd_plain_data;  
};

#define TYPE_DESCR(type_name) \
        static const struct m0_net_test_descr type_name ## _descr[]

#define USE_TYPE_DESCR(type_name) \
        type_name ## _descr, ARRAY_SIZE(type_name ## _descr)

#define FIELD_SIZE(type, field) (sizeof ((type *) 0)->field)

#define FIELD_DESCR(type, field) {                                      \
        .ntd_offset     = offsetof(type, field),                        \
        .ntd_length     = FIELD_SIZE(type, field),                      \
        .ntd_plain_data = false,                                        \
}

#define FIELD_DESCR_PLAIN(type, field) {                                \
        .ntd_offset     = offsetof(type, field),                        \
        .ntd_length     = FIELD_SIZE(type, field),                      \
        .ntd_plain_data = true,                                         \
}

m0_bcount_t m0_net_test_serialize_data(enum m0_net_test_serialize_op op,
                                       void *data,
                                       m0_bcount_t data_len,
                                       bool plain_data,
                                       struct m0_bufvec *bv,
                                       m0_bcount_t bv_offset);

m0_bcount_t m0_net_test_serialize(enum m0_net_test_serialize_op op,
                                  void *obj,
                                  const struct m0_net_test_descr descr[],
                                  size_t descr_nr,
                                  struct m0_bufvec *bv,
                                  m0_bcount_t bv_offset);

static inline m0_bcount_t net_test_len_accumulate(m0_bcount_t accumulator,
                                                  m0_bcount_t addend)
{
        return addend == 0 ? 0 : accumulator + addend;
}

#endif /*  __MOTR_NET_TEST_SERIALIZE_H__ */

/*
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 *  c-indentation-style: "K&R"
 *  c-basic-offset: 8
 *  tab-width: 8
 *  fill-column: 79
 *  scroll-step: 1
 *  End:
 */