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/*****************************************************************************
Copyright (c) 1995, 2017, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, MariaDB Corporation.
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 Street, Fifth Floor, Boston, MA 02110-1335 USA
*****************************************************************************/
/**************************************************//**
@file include/srv0start.h
Starts the Innobase database server
Created 10/10/1995 Heikki Tuuri
*******************************************************/
#ifndef srv0start_h
#define srv0start_h
#include "log0log.h"
#include "ut0byte.h"
// Forward declaration
struct dict_table_t;
/** If buffer pool is less than the size,
only one buffer pool instance is used. */
#define BUF_POOL_SIZE_THRESHOLD (1024 * 1024 * 1024)
/** Open the configured number of dedicated undo tablespaces.
@param[in] create_new_db whether the database is being initialized
@return DB_SUCCESS or error code */
dberr_t
srv_undo_tablespaces_init(bool create_new_db);
/** Start InnoDB.
@param[in] create_new_db whether to create a new database
@return DB_SUCCESS or error code */
dberr_t srv_start(bool create_new_db);
/** Shut down InnoDB. */
void innodb_shutdown();
/** Shut down background threads that can generate undo log. */
void srv_shutdown_bg_undo_sources();
/*************************************************************//**
Copy the file path component of the physical file to parameter. It will
copy up to and including the terminating path separator.
@return number of bytes copied or ULINT_UNDEFINED if destination buffer
is smaller than the path to be copied. */
ulint
srv_path_copy(
/*==========*/
char* dest, /*!< out: destination buffer */
ulint dest_len, /*!< in: max bytes to copy */
const char* basedir, /*!< in: base directory */
const char* table_name) /*!< in: source table name */
MY_ATTRIBUTE((nonnull, warn_unused_result));
/** Get the meta-data filename from the table name for a
single-table tablespace.
@param[in] table table object
@param[out] filename filename
@param[in] max_len filename max length */
void
srv_get_meta_data_filename(
dict_table_t* table,
char* filename,
ulint max_len);
/** Get the encryption-data filename from the table name for a
single-table tablespace.
@param[in] table table object
@param[out] filename filename
@param[in] max_len filename max length */
void
srv_get_encryption_data_filename(
dict_table_t* table,
char* filename,
ulint max_len);
/** Log sequence number at shutdown */
extern lsn_t srv_shutdown_lsn;
/** Log sequence number immediately after startup */
extern lsn_t srv_start_lsn;
/** TRUE if the server is being started */
extern bool srv_is_being_started;
/** TRUE if SYS_TABLESPACES is available for lookups */
extern bool srv_sys_tablespaces_open;
/** TRUE if the server is being started, before rolling back any
incomplete transactions */
extern bool 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_t {
SRV_SHUTDOWN_NONE = 0, /*!< Database running normally */
/** Shutdown initiated in srv_shutdown_bg_undo_sources() */
SRV_SHUTDOWN_INITIATED,
SRV_SHUTDOWN_CLEANUP, /*!< Cleaning up in
logs_empty_and_mark_files_at_shutdown() */
SRV_SHUTDOWN_FLUSH_PHASE,/*!< At this phase the master and the
purge threads must have completed their
work. Once we enter this phase the
page_cleaner can clean up the buffer
pool and exit */
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 */
};
/** Whether any undo log records can be generated */
extern bool srv_undo_sources;
/** 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_t srv_shutdown_state;
/** Files comprising the system tablespace */
extern pfs_os_file_t files[1000];
#endif
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