~drizzle-trunk/drizzle/development

/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-

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

 *

 *  Copyright (C) 2008 Sun Microsystems, Inc.

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; version 2 of the License.

 *

 *  This program 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 General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#ifndef LIBDRIZZLECLIENT_DRIZZLE_H

#define LIBDRIZZLECLIENT_DRIZZLE_H

#include <drizzled/common.h>

#include "drizzle_field.h"

#include "options.h"

#include "drizzle_res.h"

#include "net_serv.h"

#include <stdint.h>

#ifdef  __cplusplus

extern "C" {

#endif

struct st_drizzle_methods;

enum drizzle_status

{

  DRIZZLE_STATUS_READY,DRIZZLE_STATUS_GET_RESULT,DRIZZLE_STATUS_USE_RESULT

};

typedef struct st_drizzle

{

  NET    net;      /* Communication parameters */

  unsigned char  *connector_fd;    /* ConnectorFd for SSL */

  char    *host,*user,*passwd,*unix_socket,*server_version,*host_info;

  char          *info, *db;

  DRIZZLE_FIELD  *fields;

  uint64_t affected_rows;

  uint64_t insert_id;    /* id if insert on table with NEXTNR */

  uint64_t extra_info;    /* Not used */

  uint32_t thread_id;    /* Id for connection in server */

  uint32_t packet_length;

  uint32_t  port;

  uint32_t client_flag,server_capabilities;

  uint32_t  protocol_version;

  uint32_t  field_count;

  uint32_t  server_status;

  uint32_t  server_language;

  uint32_t  warning_count;

  struct st_drizzleclient_options options;

  enum drizzle_status status;

  bool  free_me;    /* If free in drizzleclient_close */

  bool  reconnect;    /* set to 1 if automatic reconnect */

  /* session-wide random string */

  char          scramble[SCRAMBLE_LENGTH+1];

  bool unused1;

  void *unused2, *unused3, *unused4, *unused5;

  const struct st_drizzle_methods *methods;

  void *thd;

  /*

    Points to boolean flag in DRIZZLE_RES  or DRIZZLE_STMT. We set this flag

    from drizzle_stmt_close if close had to cancel result set of this object.

  */

  bool *unbuffered_fetch_owner;

  /* needed for embedded server - no net buffer to store the 'info' */

  char *info_buffer;

  void *extension;

} DRIZZLE;

DRIZZLE * drizzleclient_create(DRIZZLE *drizzle);

DRIZZLE * drizzleclient_connect(DRIZZLE *drizzle, const char *host,

             const char *user,

             const char *passwd,

             const char *db,

             uint32_t port,

             const char *unix_socket,

             uint32_t clientflag);

int32_t    drizzleclient_select_db(DRIZZLE *drizzle, const char *db);

int32_t    drizzleclient_query(DRIZZLE *drizzle, const char *q);

int32_t    drizzleclient_send_query(DRIZZLE *drizzle, const char *q, uint32_t length);

int32_t    drizzleclient_real_query(DRIZZLE *drizzle, const char *q, uint32_t length);

DRIZZLE_RES * drizzleclient_store_result(DRIZZLE *drizzle);

DRIZZLE_RES * drizzleclient_use_result(DRIZZLE *drizzle);

uint32_t drizzleclient_field_count(const DRIZZLE *drizzle);

uint64_t drizzleclient_affected_rows(const DRIZZLE *drizzle);

uint64_t drizzleclient_insert_id(const DRIZZLE *drizzle);

uint32_t drizzleclient_errno(const DRIZZLE *drizzle);

const char * drizzleclient_error(const DRIZZLE *drizzle);

const char * drizzleclient_sqlstate(const DRIZZLE *drizzle);

uint32_t drizzleclient_warning_count(const DRIZZLE *drizzle);

const char * drizzleclient_info(const DRIZZLE *drizzle);

uint32_t drizzleclient_thread_id(const DRIZZLE *drizzle);

const char * drizzle_character_set_name(const DRIZZLE *drizzle);

bool   drizzleclient_change_user(DRIZZLE *drizzle, const char *user,

                           const char *passwd, const char *db);

/* local infile support */

#define LOCAL_INFILE_ERROR_LEN 512

void

drizzleclient_set_local_infile_handler(DRIZZLE *drizzle,

        int (*local_infile_init)(void **, const char *, void *),

        int (*local_infile_read)(void *, char *, unsigned int),

        void (*local_infile_end)(void *),int (*local_infile_error)

        (void *, char*, unsigned int), void *);

void

drizzleclient_set_local_infile_default(DRIZZLE *drizzle);

int32_t    drizzleclient_shutdown(DRIZZLE *drizzle);

int32_t    drizzle_dump_debug_info(DRIZZLE *drizzle);

int32_t    drizzleclient_refresh(DRIZZLE *drizzle, uint32_t refresh_options);

int32_t    drizzleclient_ping(DRIZZLE *drizzle);

const char *  drizzle_stat(DRIZZLE *drizzle);

const char *  drizzleclient_get_server_info(const DRIZZLE *drizzle);

const char *  drizzleclient_get_host_info(const DRIZZLE *drizzle);

uint32_t  drizzleclient_get_server_version(const DRIZZLE *drizzle);

uint32_t  drizzleclient_get_proto_info(const DRIZZLE *drizzle);

DRIZZLE_RES *  drizzleclient_list_tables(DRIZZLE *drizzle,const char *wild);

DRIZZLE_RES *  drizzleclient_list_processes(DRIZZLE *drizzle);

int32_t    drizzleclient_options(DRIZZLE *drizzle, enum drizzle_option option,

                                 const void *arg);

bool         drizzleclient_read_query_result(DRIZZLE *drizzle);

bool drizzleclient_commit(DRIZZLE *drizzle);

bool drizzleclient_rollback(DRIZZLE *drizzle);

bool drizzleclient_autocommit(DRIZZLE *drizzle, bool auto_mode);

bool drizzleclient_more_results(const DRIZZLE *drizzle);

int drizzleclient_next_result(DRIZZLE *drizzle);

void drizzleclient_close(DRIZZLE *drizzle);

bool drizzleclient_reconnect(DRIZZLE *drizzle);

void drizzleclient_disconnect(DRIZZLE *drizzle);

bool

drizzleclient_cli_advanced_command(DRIZZLE *drizzle, enum enum_server_command command,

                     const unsigned char *header, uint32_t header_length,

                     const unsigned char *arg, uint32_t arg_length,

                     bool skip_check);

uint32_t drizzleclient_cli_safe_read(DRIZZLE *drizzle);

DRIZZLE_FIELD * drizzleclient_cli_list_fields(DRIZZLE *drizzle);

DRIZZLE_DATA * drizzleclient_cli_read_rows(DRIZZLE *drizzle,DRIZZLE_FIELD *drizzle_fields,

                             unsigned int fields);

int drizzleclient_cli_unbuffered_fetch(DRIZZLE *drizzle, char **row);

const char * drizzleclient_cli_read_statistics(DRIZZLE *drizzle);

typedef bool (*safe_read_error_hook_func)(NET *net);

extern safe_read_error_hook_func safe_read_error_hook;

#ifdef  __cplusplus

}

#endif

#endif /* LIBDRIZZLECLIENT_DRIZZLE_H */