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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1996, 1997, 1998, 1999, 2000
* Sleepycat Software. All rights reserved.
*/
#include "db_config.h"
#ifndef lint
static const char copyright[] =
"Copyright (c) 1996-2000\nSleepycat Software Inc. All rights reserved.\n";
static const char revid[] =
"$Id: db_printlog.c,v 11.23 2001/01/18 18:36:58 bostic Exp $";
#endif
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#endif
#include "db_int.h"
#include "db_page.h"
#include "btree.h"
#include "db_am.h"
#include "hash.h"
#include "log.h"
#include "qam.h"
#include "txn.h"
int main __P((int, char *[]));
void usage __P((void));
void version_check __P((void));
DB_ENV *dbenv;
const char
*progname = "db_printlog"; /* Program name. */
int
main(argc, argv)
int argc;
char *argv[];
{
extern char *optarg;
extern int optind;
DBT data;
DB_LSN key;
int ch, e_close, exitval, nflag, ret;
char *home;
version_check();
e_close = exitval = 0;
nflag = 0;
home = NULL;
while ((ch = getopt(argc, argv, "h:NV")) != EOF)
switch (ch) {
case 'h':
home = optarg;
break;
case 'N':
nflag = 1;
if ((ret = db_env_set_panicstate(0)) != 0) {
fprintf(stderr,
"%s: db_env_set_panicstate: %s\n",
progname, db_strerror(ret));
return (1);
}
break;
case 'V':
printf("%s\n", db_version(NULL, NULL, NULL));
exit(0);
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (argc > 0)
usage();
/* Handle possible interruptions. */
__db_util_siginit();
/*
* Create an environment object and initialize it for error
* reporting.
*/
if ((ret = db_env_create(&dbenv, 0)) != 0) {
fprintf(stderr,
"%s: db_env_create: %s\n", progname, db_strerror(ret));
goto shutdown;
}
e_close = 1;
dbenv->set_errfile(dbenv, stderr);
dbenv->set_errpfx(dbenv, progname);
if (nflag && (ret = dbenv->set_mutexlocks(dbenv, 0)) != 0) {
dbenv->err(dbenv, ret, "set_mutexlocks");
goto shutdown;
}
/*
* An environment is required, but as all we're doing is reading log
* files, we create one if it doesn't already exist. If we create
* it, create it private so it automatically goes away when we're done.
*/
if ((ret = dbenv->open(dbenv, home,
DB_JOINENV | DB_USE_ENVIRON, 0)) != 0 &&
(ret = dbenv->open(dbenv, home,
DB_CREATE | DB_INIT_LOG | DB_PRIVATE | DB_USE_ENVIRON, 0)) != 0) {
dbenv->err(dbenv, ret, "open");
goto shutdown;
}
/* Initialize print callbacks. */
if ((ret = __bam_init_print(dbenv)) != 0 ||
(ret = __crdel_init_print(dbenv)) != 0 ||
(ret = __db_init_print(dbenv)) != 0 ||
(ret = __qam_init_print(dbenv)) != 0 ||
(ret = __ham_init_print(dbenv)) != 0 ||
(ret = __log_init_print(dbenv)) != 0 ||
(ret = __txn_init_print(dbenv)) != 0) {
dbenv->err(dbenv, ret, "callback: initialization");
goto shutdown;
}
memset(&data, 0, sizeof(data));
while (!__db_util_interrupted()) {
if ((ret = log_get(dbenv, &key, &data, DB_NEXT)) != 0) {
if (ret == DB_NOTFOUND)
break;
dbenv->err(dbenv, ret, "log_get");
goto shutdown;
}
/*
* XXX
* We use DB_TXN_ABORT as our op because that's the only op
* that calls the underlying recovery function without any
* consideration as to the contents of the transaction list.
*/
ret = __db_dispatch(dbenv, &data, &key, DB_TXN_ABORT, NULL);
/*
* XXX
* Just in case the underlying routines don't flush.
*/
(void)fflush(stdout);
if (ret != 0) {
dbenv->err(dbenv, ret, "tx: dispatch");
goto shutdown;
}
}
if (0) {
shutdown: exitval = 1;
}
if (e_close && (ret = dbenv->close(dbenv, 0)) != 0) {
exitval = 1;
fprintf(stderr,
"%s: dbenv->close: %s\n", progname, db_strerror(ret));
}
/* Resend any caught signal. */
__db_util_sigresend();
return (exitval);
}
void
usage()
{
fprintf(stderr, "usage: db_printlog [-NV] [-h home]\n");
exit (1);
}
void
version_check()
{
int v_major, v_minor, v_patch;
/* Make sure we're loaded with the right version of the DB library. */
(void)db_version(&v_major, &v_minor, &v_patch);
if (v_major != DB_VERSION_MAJOR ||
v_minor != DB_VERSION_MINOR || v_patch != DB_VERSION_PATCH) {
fprintf(stderr,
"%s: version %d.%d.%d doesn't match library version %d.%d.%d\n",
progname, DB_VERSION_MAJOR, DB_VERSION_MINOR,
DB_VERSION_PATCH, v_major, v_minor, v_patch);
exit (1);
}
}
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