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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_printlog.c 10.17 (Sleepycat) 11/1/98";
#endif
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#endif
#include "db_int.h"
#include "shqueue.h"
#include "db_page.h"
#include "btree.h"
#include "hash.h"
#include "log.h"
#include "txn.h"
#include "db_am.h"
#include "clib_ext.h"
DB_ENV *db_init __P((char *));
int main __P((int, char *[]));
void onint __P((int));
void siginit __P((void));
void usage __P((void));
int interrupted;
const char
*progname = "db_printlog"; /* Program name. */
int
main(argc, argv)
int argc;
char *argv[];
{
extern char *optarg;
extern int optind;
DB_ENV *dbenv;
DBT data;
DB_LSN key;
int ch, ret;
char *home;
ret = 0;
home = NULL;
while ((ch = getopt(argc, argv, "h:N")) != EOF)
switch (ch) {
case 'h':
home = optarg;
break;
case 'N':
(void)db_value_set(0, DB_MUTEXLOCKS);
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (argc > 0)
usage();
/* Initialize the environment. */
siginit();
dbenv = db_init(home);
if ((errno = __bam_init_print(dbenv)) != 0 ||
(errno = __db_init_print(dbenv)) != 0 ||
(errno = __ham_init_print(dbenv)) != 0 ||
(errno = __log_init_print(dbenv)) != 0 ||
(errno = __txn_init_print(dbenv)) != 0) {
warn("initialization");
(void)db_appexit(dbenv);
return (1);
}
memset(&data, 0, sizeof(data));
while (!interrupted) {
if ((errno =
log_get(dbenv->lg_info, &key, &data, DB_NEXT)) != 0) {
if (errno == DB_NOTFOUND)
break;
warn("log_get");
goto err;
}
if (dbenv->tx_recover != NULL)
errno = dbenv->tx_recover(dbenv->lg_info,
&data, &key, 0, NULL);
else
errno = __db_dispatch(dbenv->lg_info,
&data, &key, 0, NULL);
fflush(stdout);
if (errno != 0) {
warn("dispatch");
goto err;
}
}
if (0) {
err: ret = 1;
}
if (dbenv != NULL && (errno = db_appexit(dbenv)) != 0) {
ret = 1;
warn(NULL);
}
if (interrupted) {
(void)signal(interrupted, SIG_DFL);
(void)raise(interrupted);
/* NOTREACHED */
}
return (ret);
}
/*
* 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_INIT_LOG)) != 0)
err(1, "db_appinit");
return (dbenv);
}
/*
* siginit --
* Initialize the set of signals for which we want to clean up.
* Generally, we try not to leave the shared regions locked if
* we can.
*/
void
siginit()
{
#ifdef SIGHUP
(void)signal(SIGHUP, onint);
#endif
(void)signal(SIGINT, onint);
(void)signal(SIGTERM, onint);
}
/*
* onint --
* Interrupt signal handler.
*/
void
onint(signo)
int signo;
{
if ((interrupted = signo) == 0)
interrupted = SIGINT;
}
void
usage()
{
fprintf(stderr, "usage: db_printlog [-N] [-h home]\n");
exit (1);
}
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