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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_dump.c 10.19 (Sleepycat) 5/23/98";
#endif
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <ctype.h>
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#endif
#include "db_int.h"
#include "db_page.h"
#include "btree.h"
#include "hash.h"
#include "clib_ext.h"
#undef stat
void configure __P((char *));
DB_ENV *db_init __P((char *));
int main __P((int, char *[]));
void pheader __P((DB *, int));
void usage __P((void));
const char
*progname = "db_dump"; /* Program name. */
int
main(argc, argv)
int argc;
char *argv[];
{
extern char *optarg;
extern int optind;
DB *dbp;
DBC *dbcp;
DBT key, data;
DB_ENV *dbenv;
int ch, checkprint, dflag;
char *home;
home = NULL;
checkprint = dflag = 0;
while ((ch = getopt(argc, argv, "df:h:p")) != EOF)
switch (ch) {
case 'd':
dflag = 1;
break;
case 'f':
if (freopen(optarg, "w", stdout) == NULL)
err(1, "%s", optarg);
break;
case 'h':
home = optarg;
break;
case 'p':
checkprint = 1;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (argc != 1)
usage();
if (dflag) {
if (home != NULL)
errx(1,
"the -d and -h options may not both be specified");
if (checkprint)
errx(1,
"the -d and -p options may not both be specified");
}
/* Initialize the environment. */
dbenv = dflag ? NULL : db_init(home);
/* Open the DB file. */
if ((errno =
db_open(argv[0], DB_UNKNOWN, DB_RDONLY, 0, dbenv, NULL, &dbp)) != 0)
err(1, "%s", argv[0]);
/* DB dump. */
if (dflag) {
(void)__db_dump(dbp, NULL, 1);
if ((errno = dbp->close(dbp, 0)) != 0)
err(1, "close");
exit (0);
}
/* Get a cursor and step through the database. */
if ((errno = dbp->cursor(dbp, NULL, &dbcp)) != 0) {
(void)dbp->close(dbp, 0);
err(1, "cursor");
}
/* Print out the header. */
pheader(dbp, checkprint);
/* Print out the key/data pairs. */
memset(&key, 0, sizeof(key));
memset(&data, 0, sizeof(data));
while ((errno = dbcp->c_get(dbcp, &key, &data, DB_NEXT)) == 0) {
if (dbp->type != DB_RECNO &&
(errno = __db_prdbt(&key, checkprint, stdout)) != 0)
break;
if ((errno = __db_prdbt(&data, checkprint, stdout)) != 0)
break;
}
if (errno != DB_NOTFOUND)
err(1, "cursor get");
if ((errno = dbp->close(dbp, 0)) != 0)
err(1, "close");
return (0);
}
/*
* db_init --
* Initialize the environment.
*/
DB_ENV *
db_init(home)
char *home;
{
DB_ENV *dbenv;
if ((dbenv = (DB_ENV *)calloc(sizeof(DB_ENV), 1)) == NULL) {
errno = ENOMEM;
err(1, NULL);
}
dbenv->db_errfile = stderr;
dbenv->db_errpfx = progname;
if ((errno =
db_appinit(home, NULL, dbenv, DB_CREATE | DB_USE_ENVIRON)) != 0)
err(1, "db_appinit");
return (dbenv);
}
/*
* pheader --
* Write out the header information.
*/
void
pheader(dbp, pflag)
DB *dbp;
int pflag;
{
DB_BTREE_STAT *btsp;
HTAB *hashp;
HASHHDR *hdr;
db_pgno_t pgno;
printf("format=%s\n", pflag ? "print" : "bytevalue");
switch (dbp->type) {
case DB_BTREE:
printf("type=btree\n");
if ((errno = dbp->stat(dbp, &btsp, NULL, 0)) != 0)
err(1, "dbp->stat");
if (F_ISSET(dbp, DB_BT_RECNUM))
printf("recnum=1\n");
if (btsp->bt_maxkey != 0)
printf("bt_maxkey=%lu\n", (u_long)btsp->bt_maxkey);
if (btsp->bt_minkey != 0)
printf("bt_minkey=%lu\n", (u_long)btsp->bt_minkey);
break;
case DB_HASH:
printf("type=hash\n");
hashp = dbp->internal;
pgno = PGNO_METADATA;
if (memp_fget(dbp->mpf, &pgno, 0, &hdr) == 0) {
if (hdr->ffactor != 0)
printf("h_ffactor=%lu\n", (u_long)hdr->ffactor);
if (hdr->nelem != 0)
printf("h_nelem=%lu\n", (u_long)hdr->nelem);
(void)memp_fput(dbp->mpf, hdr, 0);
}
break;
case DB_RECNO:
printf("type=recno\n");
if (F_ISSET(dbp, DB_RE_RENUMBER))
printf("renumber=1\n");
if (F_ISSET(dbp, DB_RE_FIXEDLEN))
printf("re_len=%lu\n", (u_long)btsp->bt_re_len);
if (F_ISSET(dbp, DB_RE_PAD))
printf("re_pad=%#x\n", btsp->bt_re_pad);
break;
case DB_UNKNOWN:
abort();
/* NOTREACHED */
}
if (F_ISSET(dbp, DB_AM_DUP))
printf("duplicates=1\n");
if (dbp->dbenv->db_lorder != 0)
printf("db_lorder=%lu\n", (u_long)dbp->dbenv->db_lorder);
if (!F_ISSET(dbp, DB_AM_PGDEF))
printf("db_pagesize=%lu\n", (u_long)dbp->pgsize);
printf("HEADER=END\n");
}
/*
* usage --
* Display the usage message.
*/
void
usage()
{
(void)fprintf(stderr,
"usage: db_dump [-dp] [-f file] [-h home] db_file\n");
exit(1);
}
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