#include "db_config.h"
#ifndef lint
static const char revid[] = "$Id: fop_rec.c,v 1.1.1.1 2003/02/15 04:56:06 zarzycki 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/fop.h"
#include "dbinc/db_am.h"
#include "dbinc/txn.h"
int
__fop_create_recover(dbenv, dbtp, lsnp, op, info)
DB_ENV *dbenv;
DBT *dbtp;
DB_LSN *lsnp;
db_recops op;
void *info;
{
DB_FH fh;
__fop_create_args *argp;
char *real_name;
int ret;
real_name = NULL;
COMPQUIET(info, NULL);
REC_PRINT(__fop_create_print);
REC_NOOP_INTRO(__fop_create_read);
if ((ret = __db_appname(dbenv, (APPNAME)argp->appname,
(const char *)argp->name.data, 0, NULL, &real_name)) != 0)
goto out;
if (DB_UNDO(op))
(void)__os_unlink(dbenv, real_name);
else if (DB_REDO(op))
if ((ret = __os_open(dbenv, real_name,
DB_OSO_CREATE | DB_OSO_EXCL, argp->mode, &fh)) == 0)
__os_closehandle(dbenv, &fh);
*lsnp = argp->prev_lsn;
out: if (real_name != NULL)
__os_free(dbenv, real_name);
REC_NOOP_CLOSE;
}
int
__fop_remove_recover(dbenv, dbtp, lsnp, op, info)
DB_ENV *dbenv;
DBT *dbtp;
DB_LSN *lsnp;
db_recops op;
void *info;
{
__fop_remove_args *argp;
char *real_name;
int ret;
real_name = NULL;
COMPQUIET(info, NULL);
REC_PRINT(__fop_remove_print);
REC_NOOP_INTRO(__fop_remove_read);
if ((ret = __db_appname(dbenv, (APPNAME)argp->appname,
(const char *)argp->name.data, 0, NULL, &real_name)) != 0)
goto out;
if (DB_REDO(op) && (ret = dbenv->memp_nameop(dbenv,
(u_int8_t *)argp->fid.data, NULL, real_name, NULL)) != 0)
goto out;
*lsnp = argp->prev_lsn;
out: if (real_name != NULL)
__os_free(dbenv, real_name);
REC_NOOP_CLOSE;
}
int
__fop_write_recover(dbenv, dbtp, lsnp, op, info)
DB_ENV *dbenv;
DBT *dbtp;
DB_LSN *lsnp;
db_recops op;
void *info;
{
__fop_write_args *argp;
int ret;
COMPQUIET(info, NULL);
REC_PRINT(__fop_write_print);
REC_NOOP_INTRO(__fop_write_read);
if (DB_UNDO(op))
DB_ASSERT(argp->flag != 0);
else if (DB_REDO(op))
ret = __fop_write(dbenv,
argp->txnid, argp->name.data, argp->appname, NULL,
argp->offset, argp->page.data, argp->page.size, argp->flag);
*lsnp = argp->prev_lsn;
REC_NOOP_CLOSE;
}
int
__fop_rename_recover(dbenv, dbtp, lsnp, op, info)
DB_ENV *dbenv;
DBT *dbtp;
DB_LSN *lsnp;
db_recops op;
void *info;
{
__fop_rename_args *argp;
DBMETA *meta;
char *real_new, *real_old, *src;
int ret;
u_int8_t *fileid, mbuf[DBMETASIZE];
real_new = NULL;
real_old = NULL;
ret = 0;
meta = (DBMETA *)&mbuf[0];
COMPQUIET(info, NULL);
REC_PRINT(__fop_rename_print);
REC_NOOP_INTRO(__fop_rename_read);
fileid = argp->fileid.data;
if ((ret = __db_appname(dbenv, (APPNAME)argp->appname,
(const char *)argp->newname.data, 0, NULL, &real_new)) != 0)
goto out;
if ((ret = __db_appname(dbenv, (APPNAME)argp->appname,
(const char *)argp->oldname.data, 0, NULL, &real_old)) != 0)
goto out;
if (op != DB_TXN_ABORT && op != DB_TXN_APPLY) {
src = DB_UNDO(op) ? real_new : real_old;
if (__fop_read_meta(
dbenv, src, mbuf, DBMETASIZE, NULL, 1, NULL, 0) != 0)
goto done;
if (__db_chk_meta(dbenv, NULL, meta, 1) != 0)
goto done;
if (memcmp(argp->fileid.data, meta->uid, DB_FILE_ID_LEN) != 0)
goto done;
}
if (DB_UNDO(op))
(void)dbenv->memp_nameop(dbenv, fileid,
(const char *)argp->oldname.data, real_new, real_old);
if (DB_REDO(op))
(void)dbenv->memp_nameop(dbenv, fileid,
(const char *)argp->newname.data, real_old, real_new);
done: *lsnp = argp->prev_lsn;
out: if (real_new != NULL)
__os_free(dbenv, real_new);
if (real_old != NULL)
__os_free(dbenv, real_old);
REC_NOOP_CLOSE;
}
int
__fop_file_remove_recover(dbenv, dbtp, lsnp, op, info)
DB_ENV *dbenv;
DBT *dbtp;
DB_LSN *lsnp;
db_recops op;
void *info;
{
__fop_file_remove_args *argp;
DBMETA *meta;
char *real_name;
int is_real, is_tmp, ret;
size_t len;
u_int8_t mbuf[DBMETASIZE];
u_int32_t cstat;
real_name = NULL;
is_real = is_tmp = 0;
meta = (DBMETA *)&mbuf[0];
REC_PRINT(__fop_file_remove_print);
REC_NOOP_INTRO(__fop_file_remove_read);
if (op != DB_TXN_BACKWARD_ROLL &&
op != DB_TXN_FORWARD_ROLL && op != DB_TXN_APPLY)
goto done;
if ((ret = __db_appname(dbenv,
(APPNAME)argp->appname, argp->name.data, 0, NULL, &real_name)) != 0)
goto out;
if ((ret = __fop_read_meta(dbenv,
real_name, mbuf, DBMETASIZE, NULL, 1, &len, 0)) != 0) {
if (len != 0)
goto out;
cstat = TXN_EXPECTED;
} else {
(void)__db_chk_meta(dbenv, NULL, meta, 1);
is_real =
memcmp(argp->real_fid.data, meta->uid, DB_FILE_ID_LEN) == 0;
is_tmp =
memcmp(argp->tmp_fid.data, meta->uid, DB_FILE_ID_LEN) == 0;
if (!is_real && !is_tmp)
cstat = TXN_IGNORE;
else
cstat = TXN_COMMIT;
}
if (DB_UNDO(op)) {
if ((ret = __db_txnlist_update(dbenv,
info, argp->child, cstat, NULL)) == DB_NOTFOUND)
ret = __db_txnlist_add(dbenv,
info, argp->child, cstat, NULL);
} else if (DB_REDO(op)) {
if (cstat == TXN_COMMIT)
(void)dbenv->memp_nameop(dbenv,
is_real ? argp->real_fid.data : argp->tmp_fid.data,
NULL, real_name, NULL);
}
done: *lsnp = argp->prev_lsn;
ret = 0;
out: if (real_name != NULL)
__os_free(dbenv, real_name);
REC_NOOP_CLOSE;
}