mariadb/bdb/db_checkpoint/db_checkpoint.c

244 lines
5.4 KiB
C
Raw Normal View History

2001-03-05 01:42:05 +01:00
/*-
* See the file LICENSE for redistribution information.
*
2002-10-30 12:57:05 +01:00
* Copyright (c) 1996-2002
2001-03-05 01:42:05 +01:00
* Sleepycat Software. All rights reserved.
*/
#include "db_config.h"
#ifndef lint
static const char copyright[] =
2002-10-30 12:57:05 +01:00
"Copyright (c) 1996-2002\nSleepycat Software Inc. All rights reserved.\n";
2001-03-05 01:42:05 +01:00
static const char revid[] =
2002-10-30 12:57:05 +01:00
"$Id: db_checkpoint.c,v 11.46 2002/08/08 03:50:31 bostic Exp $";
2001-03-05 01:42:05 +01:00
#endif
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#if TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#else
#include <time.h>
#endif
#endif
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
2002-10-30 12:57:05 +01:00
#include <string.h>
2001-03-05 01:42:05 +01:00
#include <unistd.h>
#endif
#include "db_int.h"
2002-10-30 12:57:05 +01:00
#include "dbinc/db_page.h"
#include "dbinc/db_am.h"
2001-03-05 01:42:05 +01:00
2002-10-30 12:57:05 +01:00
int main __P((int, char *[]));
int usage __P((void));
int version_check __P((const char *));
2001-03-05 01:42:05 +01:00
int
main(argc, argv)
int argc;
char *argv[];
{
extern char *optarg;
extern int optind;
2002-10-30 12:57:05 +01:00
DB_ENV *dbenv;
const char *progname = "db_checkpoint";
2001-03-05 01:42:05 +01:00
time_t now;
long argval;
u_int32_t flags, kbytes, minutes, seconds;
int ch, e_close, exitval, once, ret, verbose;
2002-10-30 12:57:05 +01:00
char *home, *logfile, *passwd;
2001-03-05 01:42:05 +01:00
2002-10-30 12:57:05 +01:00
if ((ret = version_check(progname)) != 0)
return (ret);
2001-03-05 01:42:05 +01:00
/*
* !!!
* Don't allow a fully unsigned 32-bit number, some compilers get
* upset and require it to be specified in hexadecimal and so on.
*/
#define MAX_UINT32_T 2147483647
kbytes = minutes = 0;
e_close = exitval = once = verbose = 0;
flags = 0;
2002-10-30 12:57:05 +01:00
home = logfile = passwd = NULL;
while ((ch = getopt(argc, argv, "1h:k:L:P:p:Vv")) != EOF)
2001-03-05 01:42:05 +01:00
switch (ch) {
case '1':
once = 1;
flags = DB_FORCE;
break;
case 'h':
home = optarg;
break;
case 'k':
2002-10-30 12:57:05 +01:00
if (__db_getlong(NULL, progname,
optarg, 1, (long)MAX_UINT32_T, &argval))
return (EXIT_FAILURE);
2001-03-05 01:42:05 +01:00
kbytes = argval;
break;
case 'L':
logfile = optarg;
break;
2002-10-30 12:57:05 +01:00
case 'P':
passwd = strdup(optarg);
memset(optarg, 0, strlen(optarg));
if (passwd == NULL) {
fprintf(stderr, "%s: strdup: %s\n",
progname, strerror(errno));
return (EXIT_FAILURE);
}
break;
2001-03-05 01:42:05 +01:00
case 'p':
2002-10-30 12:57:05 +01:00
if (__db_getlong(NULL, progname,
optarg, 1, (long)MAX_UINT32_T, &argval))
return (EXIT_FAILURE);
2001-03-05 01:42:05 +01:00
minutes = argval;
break;
case 'V':
printf("%s\n", db_version(NULL, NULL, NULL));
2002-10-30 12:57:05 +01:00
return (EXIT_SUCCESS);
2001-03-05 01:42:05 +01:00
case 'v':
verbose = 1;
break;
case '?':
default:
2002-10-30 12:57:05 +01:00
return (usage());
2001-03-05 01:42:05 +01:00
}
argc -= optind;
argv += optind;
if (argc != 0)
2002-10-30 12:57:05 +01:00
return (usage());
2001-03-05 01:42:05 +01:00
if (once == 0 && kbytes == 0 && minutes == 0) {
(void)fprintf(stderr,
"%s: at least one of -1, -k and -p must be specified\n",
progname);
2002-10-30 12:57:05 +01:00
return (EXIT_FAILURE);
2001-03-05 01:42:05 +01:00
}
/* Handle possible interruptions. */
__db_util_siginit();
/* Log our process ID. */
if (logfile != NULL && __db_util_logset(progname, logfile))
goto shutdown;
/*
* 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);
2002-10-30 12:57:05 +01:00
if (passwd != NULL && (ret = dbenv->set_encrypt(dbenv,
passwd, DB_ENCRYPT_AES)) != 0) {
dbenv->err(dbenv, ret, "set_passwd");
goto shutdown;
}
2001-03-05 01:42:05 +01:00
/* Initialize the environment. */
if ((ret = dbenv->open(dbenv,
home, DB_JOINENV | DB_USE_ENVIRON, 0)) != 0) {
dbenv->err(dbenv, ret, "open");
goto shutdown;
}
/* Register the standard pgin/pgout functions, in case we do I/O. */
2002-10-30 12:57:05 +01:00
if ((ret = dbenv->memp_register(
dbenv, DB_FTYPE_SET, __db_pgin, __db_pgout)) != 0) {
2001-03-05 01:42:05 +01:00
dbenv->err(dbenv, ret,
2002-10-30 12:57:05 +01:00
"DB_ENV->memp_register: failed to register access method functions");
2001-03-05 01:42:05 +01:00
goto shutdown;
}
/*
* If we have only a time delay, then we'll sleep the right amount
* to wake up when a checkpoint is necessary. If we have a "kbytes"
* field set, then we'll check every 30 seconds.
*/
seconds = kbytes != 0 ? 30 : minutes * 60;
while (!__db_util_interrupted()) {
if (verbose) {
(void)time(&now);
dbenv->errx(dbenv, "checkpoint: %s", ctime(&now));
}
2002-10-30 12:57:05 +01:00
if ((ret = dbenv->txn_checkpoint(dbenv,
kbytes, minutes, flags)) != 0) {
2001-03-05 01:42:05 +01:00
dbenv->err(dbenv, ret, "txn_checkpoint");
goto shutdown;
}
if (once)
break;
(void)__os_sleep(dbenv, seconds, 0);
}
if (0) {
shutdown: exitval = 1;
}
/* Clean up the logfile. */
if (logfile != NULL)
remove(logfile);
/* Clean up the environment. */
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();
2002-10-30 12:57:05 +01:00
return (exitval == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
2001-03-05 01:42:05 +01:00
}
2002-10-30 12:57:05 +01:00
int
2001-03-05 01:42:05 +01:00
usage()
{
2002-10-30 12:57:05 +01:00
(void)fprintf(stderr, "%s\n\t%s\n",
"usage: db_checkpoint [-1Vv]",
"[-h home] [-k kbytes] [-L file] [-P password] [-p min]");
return (EXIT_FAILURE);
2001-03-05 01:42:05 +01:00
}
2002-10-30 12:57:05 +01:00
int
version_check(progname)
const char *progname;
2001-03-05 01:42:05 +01:00
{
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);
2002-10-30 12:57:05 +01:00
return (EXIT_FAILURE);
2001-03-05 01:42:05 +01:00
}
2002-10-30 12:57:05 +01:00
return (0);
2001-03-05 01:42:05 +01:00
}