gnunet_my_lib.h

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/*
     This file is part of GNUnet
     Copyright (C) 2016 GNUnet e.V.

     GNUnet is free software: you can redistribute it and/or modify it
     under the terms of the GNU Affero General Public License as published
     by the Free Software Foundation, either version 3 of the License,
     or (at your option) any later version.

     GNUnet is distributed in the hope that it will be useful, but
     WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Affero General Public License for more details.

     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.

     SPDX-License-Identifier: AGPL3.0-or-later
 */
#ifndef GNUNET_MY_LIB_H
#define GNUNET_MY_LIB_H

#include "gnunet_util_lib.h"
#include "gnunet_mysql_lib.h"
#include <mysql/mysql.h>

#ifdef __cplusplus
extern "C"
{
#if 0                           /* keep Emacsens' auto-indent happy */
}
#endif
#endif


struct GNUNET_MY_QueryParam;


typedef int
(*GNUNET_MY_QueryConverter)(void *cls,
                            const struct GNUNET_MY_QueryParam *qp,
                            MYSQL_BIND *qbind);


typedef void
(*GNUNET_MY_QueryCleanup)(void *cls,
                          MYSQL_BIND *qbind);
struct GNUNET_MY_QueryParam
{
  GNUNET_MY_QueryConverter conv;

  GNUNET_MY_QueryCleanup cleaner;

  void *conv_cls;

  unsigned int num_params;

  const void *data;

  unsigned long data_len;
};

#define GNUNET_MY_query_param_end { NULL, NULL, NULL, 0, NULL, 0 }


struct GNUNET_MY_QueryParam
GNUNET_MY_query_param_fixed_size (const void *ptr,
                                  size_t ptr_size);


int
GNUNET_MY_exec_prepared (struct GNUNET_MYSQL_Context *mc,
                         struct GNUNET_MYSQL_StatementHandle *sh,
                         struct GNUNET_MY_QueryParam *params);


struct GNUNET_MY_ResultParam;

struct GNUNET_MY_ResultSpec;

typedef int
(*GNUNET_MY_ResultConverter)(void *cls,
                             struct GNUNET_MY_ResultSpec *rs,
                             MYSQL_STMT *stmt,
                             unsigned int column,
                             MYSQL_BIND *results);

typedef void
(*GNUNET_MY_ResultCleanup)(void *cls,
                           struct GNUNET_MY_ResultSpec *rs);


struct GNUNET_MY_ResultSpec
{
  GNUNET_MY_ResultConverter pre_conv;

  GNUNET_MY_ResultConverter post_conv;

  GNUNET_MY_ResultCleanup cleaner;

  void *conv_cls;

  void *dst;

  size_t dst_size;

  size_t *result_size;

  unsigned int num_fields;

  unsigned long mysql_bind_output_length;

  my_bool is_null;
};


#define GNUNET_MY_result_spec_end { NULL, NULL, NULL, 0, NULL, 0, 0 }


struct GNUNET_MY_ResultSpec
GNUNET_MY_result_spec_fixed_size (void *ptr,
                                  size_t ptr_size);

struct GNUNET_MY_QueryParam
GNUNET_MY_query_param_string (const char *ptr);

#define GNUNET_MY_query_param_auto_from_type( \
    x) GNUNET_MY_query_param_fixed_size ((x), sizeof(*(x)))

struct GNUNET_MY_QueryParam
GNUNET_MY_query_param_rsa_public_key (const struct
                                      GNUNET_CRYPTO_RsaPublicKey *x);

struct GNUNET_MY_QueryParam
GNUNET_MY_query_param_rsa_signature (const struct
                                     GNUNET_CRYPTO_RsaSignature *x);

struct GNUNET_MY_QueryParam
GNUNET_MY_query_param_absolute_time (const struct GNUNET_TIME_Absolute *x);


struct GNUNET_MY_QueryParam
GNUNET_MY_query_param_absolute_time_nbo (const struct
                                         GNUNET_TIME_AbsoluteNBO *x);

struct GNUNET_MY_QueryParam
GNUNET_MY_query_param_uint16 (const uint16_t *x);

struct GNUNET_MY_QueryParam
GNUNET_MY_query_param_uint32 (const uint32_t *x);

struct GNUNET_MY_QueryParam
GNUNET_MY_query_param_uint64 (const uint64_t *x);

#define GNUNET_MY_result_spec_auto_from_type( \
    dst) GNUNET_MY_result_spec_fixed_size ((dst), sizeof(*(dst)))


struct GNUNET_MY_ResultSpec
GNUNET_MY_result_spec_variable_size (void **dst,
                                     size_t *ptr_size);

struct GNUNET_MY_ResultSpec
GNUNET_MY_result_spec_rsa_public_key (struct GNUNET_CRYPTO_RsaPublicKey **rsa);


struct GNUNET_MY_ResultSpec
GNUNET_MY_result_spec_rsa_signature (struct GNUNET_CRYPTO_RsaSignature **sig);

struct GNUNET_MY_ResultSpec
GNUNET_MY_result_spec_string (char **dst);

struct GNUNET_MY_ResultSpec
GNUNET_MY_result_spec_absolute_time (struct GNUNET_TIME_Absolute *at);

struct GNUNET_MY_ResultSpec
GNUNET_MY_result_spec_absolute_time_nbo (struct GNUNET_TIME_AbsoluteNBO *at);

struct GNUNET_MY_ResultSpec
GNUNET_MY_result_spec_uint16 (uint16_t *u16);

struct GNUNET_MY_ResultSpec
GNUNET_MY_result_spec_uint32 (uint32_t *u32);

struct GNUNET_MY_ResultSpec
GNUNET_MY_result_spec_uint64 (uint64_t *u64);


int
GNUNET_MY_extract_result (struct GNUNET_MYSQL_StatementHandle *sh,
                          struct GNUNET_MY_ResultSpec *specs);


void
GNUNET_MY_cleanup_query (struct GNUNET_MY_QueryParam *qp,
                         MYSQL_BIND *qbind);


void
GNUNET_MY_cleanup_result (struct GNUNET_MY_ResultSpec *rs);


#if 0                           /* keep Emacsens' auto-indent happy */
{
#endif
#ifdef __cplusplus
}
#endif

#endif
  /* end of group */