/*****************************************************************************

Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved.

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., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA

*****************************************************************************/

/**************************************************//**
@file include/srv0start.h
Starts the Innobase database server

Created 10/10/1995 Heikki Tuuri
*******************************************************/

#ifndef srv0start_h
#define srv0start_h

#include "univ.i"
#include "ut0byte.h"
#include "api0api.h"

/*********************************************************************//**
Normalizes a directory path for Windows: converts slashes to backslashes. */
UNIV_INTERN
void
srv_normalize_path_for_win(
/*=======================*/
	char*	str);	/*!< in/out: null-terminated character string */
/*********************************************************************//**
Reads the data files and their sizes from a character string.
@return	TRUE if ok, FALSE on parse error */
UNIV_INTERN
ibool
srv_parse_data_file_paths_and_sizes(
/*================================*/
	const char*	str);	/*!< in: the data file path string */
/*********************************************************************//**
Reads log group home directories from a character string.
@return	TRUE if ok, FALSE on parse error */
UNIV_INTERN
ibool
srv_parse_log_group_home_dirs(
/*==========================*/
	const char*	str);	/*!< in: character string */
/*********************************************************************//**
Frees the memory allocated by srv_parse_data_file_paths_and_sizes()
and srv_parse_log_group_home_dirs(). */
UNIV_INTERN
void
srv_free_paths_and_sizes(void);
/*==========================*/
#ifndef UNIV_HOTBACKUP
/****************************************************************//**
Starts Innobase and creates a new database if database files
are not found and the user wants.
@return	DB_SUCCESS or error code */
UNIV_INTERN
ib_err_t
innobase_start_or_create(void);
/*===========================*/
/****************************************************************//**
Shuts down the Innobase database.
@return	DB_SUCCESS or error code */
UNIV_INTERN
enum db_err
innobase_shutdown(
/*==============*/
	ib_shutdown_t	shutdown);	/*!< in: shutdown flag */

/** Log sequence number at shutdown */
extern	ib_uint64_t	srv_shutdown_lsn;
/** Log sequence number immediately after startup */
extern	ib_uint64_t	srv_start_lsn;

#ifdef __NETWARE__
void set_panic_flag_for_netware(void);
#endif

#ifdef HAVE_DARWIN_THREADS
/** TRUE if the F_FULLFSYNC option is available */
extern	ibool	srv_have_fullfsync;
#endif

/** TRUE if the server is being started */
extern	ibool	srv_is_being_started;
/** TRUE if the server was successfully started */
extern	ibool	srv_was_started;
/** TRUE if the server is being started, before rolling back any
incomplete transactions */
extern	ibool	srv_startup_is_before_trx_rollback_phase;

/** TRUE if a raw partition is in use */
extern	ibool	srv_start_raw_disk_in_use;


/** Shutdown state */
enum srv_shutdown_state {
	SRV_SHUTDOWN_NONE = 0,	/*!< Database running normally */
	SRV_SHUTDOWN_CLEANUP,	/*!< Cleaning up in
				logs_empty_and_mark_files_at_shutdown() */
	SRV_SHUTDOWN_LAST_PHASE,/*!< Last phase after ensuring that
				the buffer pool can be freed: flush
				all file spaces and close all files */
	SRV_SHUTDOWN_EXIT_THREADS/*!< Exit all threads */
};

#ifdef __WIN__
#define SRV_PATH_SEPARATOR	'\\'
#else
#define SRV_PATH_SEPARATOR	'/'
#endif

/** At a shutdown this value climbs from SRV_SHUTDOWN_NONE to
SRV_SHUTDOWN_CLEANUP and then to SRV_SHUTDOWN_LAST_PHASE, and so on */
extern	enum srv_shutdown_state	srv_shutdown_state;
#endif /* !UNIV_HOTBACKUP */

/** Log 'spaces' have id's >= this */
#define SRV_LOG_SPACE_FIRST_ID		0xFFFFFFF0UL

#endif
