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/* Copyright (C) 2006 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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 */
/* Initialize an maria-database */
#include "maria_def.h"
#include <ft_global.h>
#include "ma_blockrec.h"
#include "trnman_public.h"
#include "ma_checkpoint.h"
#include <hash.h>
void history_state_free(MARIA_STATE_HISTORY_CLOSED *closed_history)
{
MARIA_STATE_HISTORY *history, *next;
/*
Free all active history
In case of maria_open() this list should be empty as the history is moved
to handler->share.
*/
for (history= closed_history->state_history; history ; history= next)
{
next= history->next;
my_free(history);
}
my_free(closed_history);
}
static int dummy_maria_create_trn_hook(MARIA_HA *info __attribute__((unused)))
{
return 0;
}
/*
Initialize maria
SYNOPSIS
maria_init()
TODO
Open log files and do recovery if need
RETURN
0 ok
# error number
*/
int maria_init(void)
{
DBUG_ASSERT(maria_block_size &&
maria_block_size % MARIA_MIN_KEY_BLOCK_LENGTH == 0);
if (!maria_inited)
{
maria_inited= TRUE;
mysql_mutex_init(key_THR_LOCK_maria, &THR_LOCK_maria, MY_MUTEX_INIT_SLOW);
_ma_init_block_record_data();
trnman_end_trans_hook= _ma_trnman_end_trans_hook;
maria_create_trn_hook= dummy_maria_create_trn_hook;
}
my_hash_init(&maria_stored_state, &my_charset_bin, 32,
0, sizeof(LSN), 0, (my_hash_free_key) history_state_free, 0);
DBUG_PRINT("info",("dummy_transaction_object: %p",
&dummy_transaction_object));
return 0;
}
void maria_end(void)
{
if (maria_inited)
{
TrID trid;
maria_inited= maria_multi_threaded= FALSE;
ft_free_stopwords();
ma_checkpoint_end();
if (translog_status == TRANSLOG_OK)
{
translog_soft_sync_end();
translog_sync();
}
if ((trid= trnman_get_max_trid()) > max_trid_in_control_file)
{
/*
Store max transaction id into control file, in case logs are removed
by user, or maria_chk wants to check tables (it cannot access max trid
from the log, as it cannot process REDOs).
*/
(void)ma_control_file_write_and_force(last_checkpoint_lsn, last_logno,
trid, recovery_failures);
}
trnman_destroy();
if (translog_status == TRANSLOG_OK || translog_status == TRANSLOG_READONLY)
translog_destroy();
end_pagecache(maria_log_pagecache, TRUE);
end_pagecache(maria_pagecache, TRUE);
ma_control_file_end();
mysql_mutex_destroy(&THR_LOCK_maria);
my_hash_free(&maria_stored_state);
}
}
/**
Upgrade from older Aria versions:
- In MariaDB 5.1, the name of the control file and log files had the
'maria' prefix, now they have the 'aria' prefix.
@return: 0 ok
1 error
*/
my_bool maria_upgrade()
{
char name[FN_REFLEN], new_name[FN_REFLEN];
DBUG_ENTER("maria_upgrade");
fn_format(name, "maria_log_control", maria_data_root, "", MYF(MY_WME));
if (!my_access(name,F_OK))
{
/*
Old style control file found; Rename the control file and the log files.
We start by renaming all log files, so that if we get a crash
we will continue from where we left.
*/
uint i;
MY_DIR *dir= my_dir(maria_data_root, MYF(MY_WME));
if (!dir)
DBUG_RETURN(1);
my_message(HA_ERR_INITIALIZATION,
"Found old style Maria log files; "
"Converting them to Aria names",
MYF(ME_JUST_INFO));
for (i= 0; i < dir->number_of_files; i++)
{
const char *file= dir->dir_entry[i].name;
if (strncmp(file, "maria_log.", 10) == 0 &&
file[10] >= '0' && file[10] <= '9' &&
file[11] >= '0' && file[11] <= '9' &&
file[12] >= '0' && file[12] <= '9' &&
file[13] >= '0' && file[13] <= '9' &&
file[14] >= '0' && file[14] <= '9' &&
file[15] >= '0' && file[15] <= '9' &&
file[16] >= '0' && file[16] <= '9' &&
file[17] >= '0' && file[17] <= '9' &&
file[18] == '\0')
{
/* Remove the 'm' in 'maria' */
char old_logname[FN_REFLEN], new_logname[FN_REFLEN];
fn_format(old_logname, file, maria_data_root, "", MYF(0));
fn_format(new_logname, file+1, maria_data_root, "", MYF(0));
if (mysql_file_rename(key_file_translog, old_logname,
new_logname, MYF(MY_WME)))
{
my_dirend(dir);
DBUG_RETURN(1);
}
}
}
my_dirend(dir);
fn_format(new_name, CONTROL_FILE_BASE_NAME, maria_data_root, "", MYF(0));
if (mysql_file_rename(key_file_control, name, new_name, MYF(MY_WME)))
DBUG_RETURN(1);
}
DBUG_RETURN(0);
}
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