#include "db_config.h"
#include "db_int.h"
#include "dbinc/db_page.h"
#include "dbinc/__qam.h"
#include "dbinc/log.h"
/*
* __qam_incfirst_recover --
* Recovery function for incfirst.
*
* PUBLIC: int __qam_incfirst_recover
* PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *));
*/
int
__qam_incfirst_recover(dbenv, dbtp, lsnp, op, info)
DB_ENV *dbenv;
DBT *dbtp;
DB_LSN *lsnp;
db_recops op;
void *info;
{
__qam_incfirst_args *argp;
DB *file_dbp;
DBC *dbc;
DB_MPOOLFILE *mpf;
PAGE *pagep;
int cmp_n, cmp_p, modified, ret;
REC_PRINT(__qam_incfirst_print);
REC_INTRO(__qam_incfirst_read, 1);
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;
}
/*
* __qam_mvptr_recover --
* Recovery function for mvptr.
*
* PUBLIC: int __qam_mvptr_recover
* PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *));
*/
int
__qam_mvptr_recover(dbenv, dbtp, lsnp, op, info)
DB_ENV *dbenv;
DBT *dbtp;
DB_LSN *lsnp;
db_recops op;
void *info;
{
__qam_mvptr_args *argp;
DB *file_dbp;
DBC *dbc;
DB_MPOOLFILE *mpf;
PAGE *pagep;
int cmp_n, cmp_p, modified, ret;
REC_PRINT(__qam_mvptr_print);
REC_INTRO(__qam_mvptr_read, 1);
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;
}
/*
* __qam_del_recover --
* Recovery function for del.
*
* PUBLIC: int __qam_del_recover
* PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *));
*/
int
__qam_del_recover(dbenv, dbtp, lsnp, op, info)
DB_ENV *dbenv;
DBT *dbtp;
DB_LSN *lsnp;
db_recops op;
void *info;
{
__qam_del_args *argp;
DB *file_dbp;
DBC *dbc;
DB_MPOOLFILE *mpf;
PAGE *pagep;
int cmp_n, cmp_p, modified, ret;
REC_PRINT(__qam_del_print);
REC_INTRO(__qam_del_read, 1);
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;
}
/*
* __qam_add_recover --
* Recovery function for add.
*
* PUBLIC: int __qam_add_recover
* PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *));
*/
int
__qam_add_recover(dbenv, dbtp, lsnp, op, info)
DB_ENV *dbenv;
DBT *dbtp;
DB_LSN *lsnp;
db_recops op;
void *info;
{
__qam_add_args *argp;
DB *file_dbp;
DBC *dbc;
DB_MPOOLFILE *mpf;
PAGE *pagep;
int cmp_n, cmp_p, modified, ret;
REC_PRINT(__qam_add_print);
REC_INTRO(__qam_add_read, 1);
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;
}
/*
* __qam_delext_recover --
* Recovery function for delext.
*
* PUBLIC: int __qam_delext_recover
* PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *));
*/
int
__qam_delext_recover(dbenv, dbtp, lsnp, op, info)
DB_ENV *dbenv;
DBT *dbtp;
DB_LSN *lsnp;
db_recops op;
void *info;
{
__qam_delext_args *argp;
DB *file_dbp;
DBC *dbc;
DB_MPOOLFILE *mpf;
PAGE *pagep;
int cmp_n, cmp_p, modified, ret;
REC_PRINT(__qam_delext_print);
REC_INTRO(__qam_delext_read, 1);
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;
}