#include "db_config.h"
#ifndef lint
static const char revid[] = "$Id: crdel_rec.c,v 1.2 2004/03/30 01:21:24 jtownsen Exp $";
#endif
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <string.h>
#endif
#include "db_int.h"
#include "dbinc/db_page.h"
#include "dbinc/db_shash.h"
#include "dbinc/hash.h"
#include "dbinc/log.h"
#include "dbinc/mp.h"
int
__crdel_metasub_recover(dbenv, dbtp, lsnp, op, info)
DB_ENV *dbenv;
DBT *dbtp;
DB_LSN *lsnp;
db_recops op;
void *info;
{
__crdel_metasub_args *argp;
DB *file_dbp;
DBC *dbc;
DB_MPOOLFILE *mpf;
PAGE *pagep;
int cmp_p, modified, ret;
pagep = NULL;
COMPQUIET(info, NULL);
REC_PRINT(__crdel_metasub_print);
REC_INTRO(__crdel_metasub_read, 0);
if ((ret = __memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) {
if (DB_REDO(op)) {
if ((ret = __memp_fget(mpf,
&argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0)
goto out;
} else {
*lsnp = argp->prev_lsn;
ret = 0;
goto out;
}
}
modified = 0;
cmp_p = log_compare(&LSN(pagep), &argp->lsn);
CHECK_LSN(op, cmp_p, &LSN(pagep), &argp->lsn);
if (cmp_p == 0 && DB_REDO(op)) {
memcpy(pagep, argp->page.data, argp->page.size);
LSN(pagep) = *lsnp;
modified = 1;
} else if (DB_UNDO(op)) {
LSN(pagep) = argp->lsn;
modified = 1;
}
if ((ret = __memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) != 0)
goto out;
pagep = NULL;
done: *lsnp = argp->prev_lsn;
ret = 0;
out: if (pagep != NULL)
(void)__memp_fput(mpf, pagep, 0);
REC_CLOSE;
}