1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1996, 1997
* Sleepycat Software. All rights reserved.
*/
#include "config.h"
#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1997\n\
Sleepycat Software Inc. All rights reserved.\n";
static const char sccsid[] = "@(#)db_recover.c 10.17 (Sleepycat) 1/15/98";
#endif
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <errno.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 *, int, int));
int main __P((int, char *[]));
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;
int ch, flags, 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();
dbenv = db_init(home, flags, verbose);
if (verbose) {
__db_err(dbenv, "Recovery complete at %.24s", ctime(&now));
__db_err(dbenv, "%s %lu %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;
int flags, verbose;
{
DB_ENV *dbenv;
int 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);
}
void
usage()
{
(void)fprintf(stderr, "usage: db_recover [-cv] [-h home]\n");
exit(1);
}
|