mirror of
https://github.com/berkeleydb/libdb.git
synced 2024-11-16 09:06:25 +00:00
1437 lines
30 KiB
Text
1437 lines
30 KiB
Text
#include "db_config.h"
|
|
|
|
#include "db_int.h"
|
|
#include "dbinc/db_page.h"
|
|
#include "dbinc/__db.h"
|
|
#include "dbinc/log.h"
|
|
|
|
/*
|
|
* __db_addrem_recover --
|
|
* Recovery function for addrem.
|
|
*
|
|
* PUBLIC: int __db_addrem_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_addrem_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_addrem_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_addrem_print);
|
|
REC_INTRO(__db_addrem_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_addrem_recover --
|
|
* Recovery function for addrem.
|
|
*
|
|
* PUBLIC: int __db_addrem_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_addrem_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_addrem_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_addrem_print);
|
|
REC_INTRO(__db_addrem_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_big_recover --
|
|
* Recovery function for big.
|
|
*
|
|
* PUBLIC: int __db_big_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_big_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_big_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_big_print);
|
|
REC_INTRO(__db_big_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_big_recover --
|
|
* Recovery function for big.
|
|
*
|
|
* PUBLIC: int __db_big_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_big_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_big_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_big_print);
|
|
REC_INTRO(__db_big_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_ovref_recover --
|
|
* Recovery function for ovref.
|
|
*
|
|
* PUBLIC: int __db_ovref_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_ovref_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_ovref_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_ovref_print);
|
|
REC_INTRO(__db_ovref_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_relink_recover --
|
|
* Recovery function for relink.
|
|
*
|
|
* PUBLIC: int __db_relink_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_relink_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_relink_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_relink_print);
|
|
REC_INTRO(__db_relink_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_debug_recover --
|
|
* Recovery function for debug.
|
|
*
|
|
* PUBLIC: int __db_debug_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_debug_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_debug_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_debug_print);
|
|
REC_INTRO(__db_debug_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_noop_recover --
|
|
* Recovery function for noop.
|
|
*
|
|
* PUBLIC: int __db_noop_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_noop_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_noop_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_noop_print);
|
|
REC_INTRO(__db_noop_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_pg_alloc_recover --
|
|
* Recovery function for pg_alloc.
|
|
*
|
|
* PUBLIC: int __db_pg_alloc_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_pg_alloc_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_pg_alloc_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_pg_alloc_print);
|
|
REC_INTRO(__db_pg_alloc_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_pg_alloc_recover --
|
|
* Recovery function for pg_alloc.
|
|
*
|
|
* PUBLIC: int __db_pg_alloc_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_pg_alloc_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_pg_alloc_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_pg_alloc_print);
|
|
REC_INTRO(__db_pg_alloc_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_pg_free_recover --
|
|
* Recovery function for pg_free.
|
|
*
|
|
* PUBLIC: int __db_pg_free_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_pg_free_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_pg_free_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_pg_free_print);
|
|
REC_INTRO(__db_pg_free_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_pg_free_recover --
|
|
* Recovery function for pg_free.
|
|
*
|
|
* PUBLIC: int __db_pg_free_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_pg_free_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_pg_free_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_pg_free_print);
|
|
REC_INTRO(__db_pg_free_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_cksum_recover --
|
|
* Recovery function for cksum.
|
|
*
|
|
* PUBLIC: int __db_cksum_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_cksum_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_cksum_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_cksum_print);
|
|
REC_INTRO(__db_cksum_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_pg_freedata_recover --
|
|
* Recovery function for pg_freedata.
|
|
*
|
|
* PUBLIC: int __db_pg_freedata_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_pg_freedata_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_pg_freedata_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_pg_freedata_print);
|
|
REC_INTRO(__db_pg_freedata_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_pg_freedata_recover --
|
|
* Recovery function for pg_freedata.
|
|
*
|
|
* PUBLIC: int __db_pg_freedata_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_pg_freedata_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_pg_freedata_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_pg_freedata_print);
|
|
REC_INTRO(__db_pg_freedata_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_pg_init_recover --
|
|
* Recovery function for pg_init.
|
|
*
|
|
* PUBLIC: int __db_pg_init_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_pg_init_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_pg_init_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_pg_init_print);
|
|
REC_INTRO(__db_pg_init_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_pg_sort_recover --
|
|
* Recovery function for pg_sort.
|
|
*
|
|
* PUBLIC: int __db_pg_sort_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_pg_sort_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_pg_sort_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_pg_sort_print);
|
|
REC_INTRO(__db_pg_sort_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_pg_trunc_recover --
|
|
* Recovery function for pg_trunc.
|
|
*
|
|
* PUBLIC: int __db_pg_trunc_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_pg_trunc_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_pg_trunc_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_pg_trunc_print);
|
|
REC_INTRO(__db_pg_trunc_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_realloc_recover --
|
|
* Recovery function for realloc.
|
|
*
|
|
* PUBLIC: int __db_realloc_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_realloc_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_realloc_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_realloc_print);
|
|
REC_INTRO(__db_realloc_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_relink_recover --
|
|
* Recovery function for relink.
|
|
*
|
|
* PUBLIC: int __db_relink_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_relink_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_relink_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_relink_print);
|
|
REC_INTRO(__db_relink_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_merge_recover --
|
|
* Recovery function for merge.
|
|
*
|
|
* PUBLIC: int __db_merge_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_merge_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_merge_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_merge_print);
|
|
REC_INTRO(__db_merge_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|
|
/*
|
|
* __db_pgno_recover --
|
|
* Recovery function for pgno.
|
|
*
|
|
* PUBLIC: int __db_pgno_recover
|
|
* PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *));
|
|
*/
|
|
int
|
|
__db_pgno_recover(env, dbtp, lsnp, op, info)
|
|
env *env;
|
|
DBT *dbtp;
|
|
DB_LSN *lsnp;
|
|
db_recops op;
|
|
void *info;
|
|
{
|
|
__db_pgno_args *argp;
|
|
DB *file_dbp;
|
|
DBC *dbc;
|
|
DB_MPOOLFILE *mpf;
|
|
DB_THREAD_INFO *ip;
|
|
PAGE *pagep;
|
|
int cmp_n, cmp_p, modified, ret;
|
|
|
|
ip = ((DB_TXNHEAD *)info)->thread_info;
|
|
|
|
REC_PRINT(__db_pgno_print);
|
|
REC_INTRO(__db_pgno_read, ip, 0);
|
|
|
|
if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0)
|
|
if (DB_REDO(op)) {
|
|
if ((ret = mpf->get(mpf,
|
|
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
|
|
goto out;
|
|
} else {
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
modified = 0;
|
|
cmp_n = log_compare(lsnp, &LSN(pagep));
|
|
|
|
/*
|
|
* Use this when there is something like "pagelsn" in the argp
|
|
* structure. Sometimes, you might need to compare meta-data
|
|
* lsn's instead.
|
|
*
|
|
* cmp_p = log_compare(&LSN(pagep), argp->pagelsn);
|
|
*/
|
|
if (cmp_p == 0 && DB_REDO(op)) {
|
|
/* Need to redo update described. */
|
|
modified = 1;
|
|
} else if (cmp_n == 0 && !DB_REDO(op)) {
|
|
/* Need to undo update described. */
|
|
modified = 1;
|
|
}
|
|
if (ret = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0))
|
|
goto out;
|
|
|
|
*lsnp = argp->prev_lsn;
|
|
ret = 0;
|
|
|
|
out: REC_CLOSE;
|
|
}
|
|
|