111 lines
2.3 KiB
C
111 lines
2.3 KiB
C
/*-
|
|
* See the file LICENSE for redistribution information.
|
|
*
|
|
* Copyright (c) 2000,2008 Oracle. All rights reserved.
|
|
*
|
|
* $Id: db_setlsn.c 63573 2008-05-23 21:43:21Z trent.nelson $
|
|
*/
|
|
|
|
#include "db_config.h"
|
|
|
|
#include "db_int.h"
|
|
#include "dbinc/db_page.h"
|
|
#include "dbinc/db_am.h"
|
|
#include "dbinc/mp.h"
|
|
|
|
static int __env_lsn_reset __P((ENV *, DB_THREAD_INFO *, const char *, int));
|
|
|
|
/*
|
|
* __env_lsn_reset_pp --
|
|
* ENV->lsn_reset pre/post processing.
|
|
*
|
|
* PUBLIC: int __env_lsn_reset_pp __P((DB_ENV *, const char *, u_int32_t));
|
|
*/
|
|
int
|
|
__env_lsn_reset_pp(dbenv, name, flags)
|
|
DB_ENV *dbenv;
|
|
const char *name;
|
|
u_int32_t flags;
|
|
{
|
|
DB_THREAD_INFO *ip;
|
|
ENV *env;
|
|
int ret;
|
|
|
|
env = dbenv->env;
|
|
|
|
ENV_ILLEGAL_BEFORE_OPEN(env, "DB_ENV->lsn_reset");
|
|
|
|
/*
|
|
* !!!
|
|
* The actual argument checking is simple, do it inline, outside of
|
|
* the replication block.
|
|
*/
|
|
if (flags != 0 && flags != DB_ENCRYPT)
|
|
return (__db_ferr(env, "DB_ENV->lsn_reset", 0));
|
|
|
|
ENV_ENTER(env, ip);
|
|
REPLICATION_WRAP(env,
|
|
(__env_lsn_reset(env, ip, name, LF_ISSET(DB_ENCRYPT) ? 1 : 0)),
|
|
1, ret);
|
|
ENV_LEAVE(env, ip);
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* __env_lsn_reset --
|
|
* Reset the LSNs for every page in the file.
|
|
*/
|
|
static int
|
|
__env_lsn_reset(env, ip, name, encrypted)
|
|
ENV *env;
|
|
DB_THREAD_INFO *ip;
|
|
const char *name;
|
|
int encrypted;
|
|
{
|
|
DB *dbp;
|
|
DB_MPOOLFILE *mpf;
|
|
PAGE *pagep;
|
|
db_pgno_t pgno;
|
|
int t_ret, ret;
|
|
|
|
/* Create the DB object. */
|
|
if ((ret = __db_create_internal(&dbp, env, 0)) != 0)
|
|
return (ret);
|
|
|
|
/* If configured with a password, the databases are encrypted. */
|
|
if (encrypted && (ret = __db_set_flags(dbp, DB_ENCRYPT)) != 0)
|
|
goto err;
|
|
|
|
/*
|
|
* Open the DB file.
|
|
*
|
|
* !!!
|
|
* Note DB_RDWRMASTER flag, we need to open the master database file
|
|
* for writing in this case.
|
|
*/
|
|
if ((ret = __db_open(dbp, ip, NULL,
|
|
name, NULL, DB_UNKNOWN, DB_RDWRMASTER, 0, PGNO_BASE_MD)) != 0) {
|
|
__db_err(env, ret, "%s", name);
|
|
goto err;
|
|
}
|
|
|
|
/* Reset the LSN on every page of the database file. */
|
|
mpf = dbp->mpf;
|
|
for (pgno = 0;
|
|
(ret = __memp_fget(mpf,
|
|
&pgno, ip, NULL, DB_MPOOL_DIRTY, &pagep)) == 0;
|
|
++pgno) {
|
|
LSN_NOT_LOGGED(pagep->lsn);
|
|
if ((ret = __memp_fput(mpf,
|
|
ip, pagep, DB_PRIORITY_UNCHANGED)) != 0)
|
|
goto err;
|
|
}
|
|
|
|
if (ret == DB_PAGE_NOTFOUND)
|
|
ret = 0;
|
|
|
|
err: if ((t_ret = __db_close(dbp, NULL, 0)) != 0 && ret == 0)
|
|
ret = t_ret;
|
|
return (ret);
|
|
}
|