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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1996-2001
* Sleepycat Software. All rights reserved.
*/
#include "db_config.h"
#ifndef lint
static const char copyright[] =
"Copyright (c) 1996-2001\nSleepycat Software Inc. All rights reserved.\n";
static const char revid[] =
"Id: db_printlog.c,v 11.36 2001/10/11 22:46:27 ubell 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"
#include "clib_ext.h"
int db_printlog_main __P((int, char *[]));
int db_printlog_usage __P((void));
int db_printlog_version_check __P((const char *));
int
db_printlog(args)
char *args;
{
int argc;
char **argv;
__db_util_arg("db_printlog", args, &argc, &argv);
return (db_printlog_main(argc, argv) ? EXIT_FAILURE : EXIT_SUCCESS);
}
#include <stdio.h>
#define ERROR_RETURN ERROR
int
db_printlog_main(argc, argv)
int argc;
char *argv[];
{
extern char *optarg;
extern int optind, __db_getopt_reset;
const char *progname = "db_printlog";
DB_ENV *dbenv;
DB_LOGC *logc;
int (**dtab) __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *));
size_t dtabsize;
DBT data;
DB_LSN key;
int ch, e_close, exitval, nflag, rflag, ret;
char *home;
if ((ret = db_printlog_version_check(progname)) != 0)
return (ret);
logc = NULL;
e_close = exitval = nflag = rflag = 0;
home = NULL;
dtabsize = 0;
dtab = NULL;
__db_getopt_reset = 1;
while ((ch = getopt(argc, argv, "h:NrV")) != EOF)
switch (ch) {
case 'h':
home = optarg;
break;
case 'N':
nflag = 1;
break;
case 'r':
rflag = 1;
break;
case 'V':
printf("%s\n", db_version(NULL, NULL, NULL));
return (EXIT_SUCCESS);
case '?':
default:
return (db_printlog_usage());
}
argc -= optind;
argv += optind;
if (argc > 0)
return (db_printlog_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) {
if ((ret = dbenv->set_flags(dbenv, DB_NOLOCKING, 1)) != 0) {
dbenv->err(dbenv, ret, "set_flags: DB_NOLOCKING");
goto shutdown;
}
if ((ret = dbenv->set_flags(dbenv, DB_NOPANIC, 0)) != 0) {
dbenv->err(dbenv, ret, "set_flags: DB_NOPANIC");
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, &dtab, &dtabsize)) != 0 ||
(ret = __crdel_init_print(dbenv, &dtab, &dtabsize)) != 0 ||
(ret = __db_init_print(dbenv, &dtab, &dtabsize)) != 0 ||
(ret = __qam_init_print(dbenv, &dtab, &dtabsize)) != 0 ||
(ret = __ham_init_print(dbenv, &dtab, &dtabsize)) != 0 ||
(ret = __log_init_print(dbenv, &dtab, &dtabsize)) != 0 ||
(ret = __txn_init_print(dbenv, &dtab, &dtabsize)) != 0) {
dbenv->err(dbenv, ret, "callback: initialization");
goto shutdown;
}
/* Allocate a log cursor. */
if ((ret = dbenv->log_cursor(dbenv, &logc, 0)) != 0) {
dbenv->err(dbenv, ret, "DB_ENV->log_cursor");
goto shutdown;
}
memset(&data, 0, sizeof(data));
while (!__db_util_interrupted()) {
if ((ret = logc->get(
logc, &key, &data, rflag ? DB_PREV : DB_NEXT)) != 0) {
if (ret == DB_NOTFOUND)
break;
dbenv->err(dbenv, ret, "DB_LOGC->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, dtab, &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 (logc != NULL && (ret = logc->close(logc, 0)) != 0)
exitval = 1;
if (dtab != NULL)
__os_free(dbenv, dtab, 0);
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 == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
int
db_printlog_usage()
{
fprintf(stderr, "usage: db_printlog [-NrV] [-h home]\n");
return (EXIT_FAILURE);
}
int
db_printlog_version_check(progname)
const char *progname;
{
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);
return (EXIT_FAILURE);
}
return (0);
}
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