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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1996, 1997, 1998
* Sleepycat Software. All rights reserved.
*/
#include "config.h"
#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1996, 1997, 1998\n\
Sleepycat Software Inc. All rights reserved.\n";
static const char sccsid[] = "@(#)db_recover.c 10.23 (Sleepycat) 10/5/98";
#endif
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <errno.h>
#include <signal.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#endif
#include "db_int.h"
#include "shqueue.h"
#include "txn.h"
#include "common_ext.h"
#include "clib_ext.h"
DB_ENV *db_init __P((char *, u_int32_t, int));
int main __P((int, char *[]));
void nosig __P((void));
void usage __P((void));
const char
*progname = "db_recover"; /* Program name. */
int
main(argc, argv)
int argc;
char *argv[];
{
extern char *optarg;
extern int optind;
DB_ENV *dbenv;
time_t now;
u_int32_t flags;
int ch, verbose;
char *home;
home = NULL;
flags = verbose = 0;
while ((ch = getopt(argc, argv, "ch:v")) != EOF)
switch (ch) {
case 'c':
LF_SET(DB_RECOVER_FATAL);
break;
case 'h':
home = optarg;
break;
case 'v':
verbose = 1;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (argc != 0)
usage();
/*
* Ignore signals -- we don't want to be interrupted because we're
* spending all of our time in the DB library.
*/
nosig();
dbenv = db_init(home, flags, verbose);
if (verbose) {
__db_err(dbenv, "Recovery complete at %.24s", ctime(&now));
__db_err(dbenv, "%s %lx %s [%lu][%lu]",
"Maximum transaction id",
(u_long)dbenv->tx_info->region->last_txnid,
"Recovery checkpoint",
(u_long)dbenv->tx_info->region->last_ckp.file,
(u_long)dbenv->tx_info->region->last_ckp.offset);
}
return (db_appexit(dbenv));
}
DB_ENV *
db_init(home, flags, verbose)
char *home;
u_int32_t flags;
int verbose;
{
DB_ENV *dbenv;
u_int32_t local_flags;
if ((dbenv = (DB_ENV *)calloc(sizeof(DB_ENV), 1)) == NULL) {
errno = ENOMEM;
err(1, NULL);
}
dbenv->db_errfile = stderr;
dbenv->db_errpfx = "db_recover";
dbenv->db_verbose = verbose;
/* Initialize environment for pathnames only. */
local_flags = DB_CREATE | DB_INIT_LOG |
DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN | DB_USE_ENVIRON;
if (LF_ISSET(DB_RECOVER_FATAL))
local_flags |= DB_RECOVER_FATAL;
else
local_flags |= DB_RECOVER;
if ((errno = db_appinit(home, NULL, dbenv, local_flags)) != 0)
err(1, "appinit failed");
return (dbenv);
}
/*
* nosig --
* We don't want to be interrupted.
*/
void
nosig()
{
#ifdef SIGHUP
(void)signal(SIGHUP, SIG_IGN);
#endif
(void)signal(SIGINT, SIG_IGN);
(void)signal(SIGTERM, SIG_IGN);
}
void
usage()
{
(void)fprintf(stderr, "usage: db_recover [-cv] [-h home]\n");
exit(1);
}
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