~drizzle-trunk/drizzle/development

/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 * Drizzle Client & Protocol Library

 *

 * Copyright (C) 2008 Eric Day (eday@oddments.org)

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are

 * met:

 *

 *     * Redistributions of source code must retain the above copyright

 * notice, this list of conditions and the following disclaimer.

 *

 *     * Redistributions in binary form must reproduce the above

 * copyright notice, this list of conditions and the following disclaimer

 * in the documentation and/or other materials provided with the

 * distribution.

 *

 *     * The names of its contributors may not be used to endorse or

 * promote products derived from this software without specific prior

 * written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 */

/**

 * @file

 * @brief Struct Definitions

 */

#pragma once

#include <sys/types.h>

#ifdef NI_MAXHOST

# define LIBDRIZZLE_NI_MAXHOST NI_MAXHOST

#else

# define LIBDRIZZLE_NI_MAXHOST 1025

#endif

#ifdef __cplusplus

#include <cstddef>

#endif

#ifdef __cplusplus

extern "C" {

#endif

/**

 * @ingroup drizzle

 */

struct drizzle_st

{

  uint16_t error_code;

  int options;

  drizzle_verbose_t verbose;

  uint32_t con_count;

  uint32_t pfds_size;

  uint32_t query_count;

  uint32_t query_new;

  uint32_t query_running;

  int last_errno;

  int timeout;

  drizzle_con_st *con_list;

  void *context;

  drizzle_context_free_fn *context_free_fn;

  drizzle_event_watch_fn *event_watch_fn;

  void *event_watch_context;

  drizzle_log_fn *log_fn;

  void *log_context;

  struct pollfd *pfds;

  drizzle_query_st *query_list;

  char sqlstate[DRIZZLE_MAX_SQLSTATE_SIZE + 1];

  char last_error[DRIZZLE_MAX_ERROR_SIZE];

};

/**

 * @ingroup drizzle_con

 */

struct drizzle_con_tcp_st

{

  in_port_t port;

  struct addrinfo *addrinfo;

  char *host;

  char host_buffer[NI_MAXHOST];

};

/**

 * @ingroup drizzle_con

 */

struct drizzle_con_uds_st

{

  struct addrinfo addrinfo;

  struct sockaddr_un sockaddr;

};

/**

 * @ingroup drizzle_con

 */

struct drizzle_con_st

{

  uint8_t packet_number;

  uint8_t protocol_version;

  uint8_t state_current;

  short events;

  short revents;

  int capabilities;

  drizzle_charset_t charset;

  drizzle_command_t command;

  int options;

  drizzle_con_socket_t socket_type;

  drizzle_con_status_t status;

  uint32_t max_packet_size;

  uint32_t result_count;

  uint32_t thread_id;

  int backlog;

  int fd;

  size_t buffer_size;

  size_t command_offset;

  size_t command_size;

  size_t command_total;

  size_t packet_size;

  struct addrinfo *addrinfo_next;

  uint8_t *buffer_ptr;

  uint8_t *command_buffer;

  uint8_t *command_data;

  void *context;

  drizzle_con_context_free_fn *context_free_fn;

  drizzle_st *drizzle;

  drizzle_con_st *next;

  drizzle_con_st *prev;

  drizzle_query_st *query;

  drizzle_result_st *result;

  drizzle_result_st *result_list;

  uint8_t *scramble;

  union

  {

    drizzle_con_tcp_st tcp;

    drizzle_con_uds_st uds;

  } socket;

  uint8_t buffer[DRIZZLE_MAX_BUFFER_SIZE];

  char db[DRIZZLE_MAX_DB_SIZE];

  char password[DRIZZLE_MAX_PASSWORD_SIZE];

  uint8_t scramble_buffer[DRIZZLE_MAX_SCRAMBLE_SIZE];

  char server_version[DRIZZLE_MAX_SERVER_VERSION_SIZE];

  char server_extra[DRIZZLE_MAX_SERVER_EXTRA_SIZE];

  drizzle_state_fn *state_stack[DRIZZLE_STATE_STACK_SIZE];

  char user[DRIZZLE_MAX_USER_SIZE];

};

/**

 * @ingroup drizzle_query

 */

struct drizzle_query_st

{

  drizzle_st *drizzle;

  drizzle_query_st *next;

  drizzle_query_st *prev;

  int options;

  drizzle_query_state_t state;

  drizzle_con_st *con;

  drizzle_result_st *result;

  const char *string;

  size_t size;

  void *context;

  drizzle_query_context_free_fn *context_free_fn;

#ifdef __cplusplus

  drizzle_query_st() :

    drizzle(NULL),

    next(NULL),

    prev(NULL),

    options(0),

    state(DRIZZLE_QUERY_STATE_INIT),

    con(NULL),

    result(NULL),

    string(NULL),

    size(0),

    context(NULL),

    context_free_fn(NULL)

  { 

  }

#endif

};

/**

 * @ingroup drizzle_result

 */

struct drizzle_result_st

{

  drizzle_con_st *con;

  drizzle_result_st *next;

  drizzle_result_st *prev;

  int options;

  char info[DRIZZLE_MAX_INFO_SIZE];

  uint16_t error_code;

  char sqlstate[DRIZZLE_MAX_SQLSTATE_SIZE + 1];

  uint64_t insert_id;

  uint16_t warning_count;

  uint64_t affected_rows;

  uint16_t column_count;

  uint16_t column_current;

  drizzle_column_st *column_list;

  drizzle_column_st *column;

  drizzle_column_st *column_buffer;

  uint64_t row_count;

  uint64_t row_current;

  uint16_t field_current;

  size_t field_total;

  size_t field_offset;

  size_t field_size;

  drizzle_field_t field;

  drizzle_field_t field_buffer;

  uint64_t row_list_size;

  drizzle_row_t row;

  drizzle_row_t *row_list;

  size_t *field_sizes;

  size_t **field_sizes_list;

#ifdef __cplusplus

  drizzle_result_st() :

    con(NULL),

    next(NULL),

    prev(NULL),

    options(0),

    error_code(0),

    insert_id(0),

    warning_count(0),

    affected_rows(0),

    column_count(0),

    column_current(0),

    column_list(NULL),

    column(NULL),

    column_buffer(NULL),

    row_count(0),

    row_current(0),

    field_current(0),

    field_total(0),

    field_offset(0),

    field_size(0),

    field(),

    field_buffer(),

    row_list_size(0),

    row(),

    row_list(NULL),

    field_sizes(NULL),

    field_sizes_list(NULL)

  {

    info[0]= 0;

    sqlstate[0]= 0;

  }

#endif

};

/**

 * @ingroup drizzle_column

 */

struct drizzle_column_st

{

  drizzle_result_st *result;

  drizzle_column_st *next;

  drizzle_column_st *prev;

  int options;

  char catalog[DRIZZLE_MAX_CATALOG_SIZE];

  char db[DRIZZLE_MAX_DB_SIZE];

  char table[DRIZZLE_MAX_TABLE_SIZE];

  char orig_table[DRIZZLE_MAX_TABLE_SIZE];

  char name[DRIZZLE_MAX_COLUMN_NAME_SIZE];

  char orig_name[DRIZZLE_MAX_COLUMN_NAME_SIZE];

  drizzle_charset_t charset;

  uint32_t size;

  size_t max_size;

  drizzle_column_type_t type;

  int flags;

  uint8_t decimals;

  uint8_t default_value[DRIZZLE_MAX_DEFAULT_VALUE_SIZE];

  size_t default_value_size;

};

#ifdef __cplusplus

}

#endif