~drizzle-trunk/drizzle/development

/*

 * Drizzle Client & Protocol Library

 *

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

 * All rights reserved.

 *

 * Use and distribution licensed under the BSD license.  See

 * the COPYING.BSD file in the root source directory for full text.

 */

/**

 * @file

 * @brief Struct Definitions

 */

#ifndef __DRIZZLE_STRUCTS_H

#define __DRIZZLE_STRUCTS_H

#include <sys/types.h>

#include <sys/socket.h>

#include <netdb.h>

#ifndef NI_MAXHOST

# define NI_MAXHOST 1025

#endif

#ifdef __cplusplus

extern "C" {

#endif

/**

 * @ingroup drizzle

 */

struct drizzle_st

{

  uint16_t error_code;

  drizzle_options_t 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;

  drizzle_capabilities_t capabilities;

  drizzle_charset_t charset;

  drizzle_command_t command;

  drizzle_con_options_t 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];

  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;

  drizzle_query_options_t 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;

};

/**

 * @ingroup drizzle_result

 */

struct drizzle_result_st

{

  drizzle_con_st *con;

  drizzle_result_st *next;

  drizzle_result_st *prev;

  drizzle_result_options_t 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;

};

/**

 * @ingroup drizzle_column

 */

struct drizzle_column_st

{

  drizzle_result_st *result;

  drizzle_column_st *next;

  drizzle_column_st *prev;

  drizzle_column_options_t 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;

  drizzle_column_flags_t flags;

  uint8_t decimals;

  uint8_t default_value[DRIZZLE_MAX_DEFAULT_VALUE_SIZE];

  size_t default_value_size;

};

#ifdef __cplusplus

}

#endif

#endif /* __DRIZZLE_STRUCTS_H */