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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1996, 2013 Oracle and/or its affiliates. All rights reserved.
*
* $Id$
*/
#include "db_config.h"
#include "db_int.h"
#ifndef lint
static const char copyright[] =
"Copyright (c) 1996, 2013 Oracle and/or its affiliates. All rights reserved.\n";
#endif
int main __P((int, char *[]));
int usage __P((void));
int version_check __P((void));
const char *progname;
int
main(argc, argv)
int argc;
char *argv[];
{
extern char *optarg;
extern int optind;
DB_ENV *dbenv;
time_t now;
long argval;
u_int32_t flags, kbytes, minutes, seconds;
int ch, exitval, once, ret, verbose;
char *home, *logfile, *passwd, time_buf[CTIME_BUFLEN];
if ((progname = __db_rpath(argv[0])) == NULL)
progname = argv[0];
else
++progname;
if ((ret = version_check()) != 0)
return (ret);
/*
* !!!
* 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
dbenv = NULL;
kbytes = minutes = 0;
exitval = once = verbose = 0;
flags = 0;
home = logfile = passwd = NULL;
while ((ch = getopt(argc, argv, "1h:k:L:P:p:Vv")) != EOF)
switch (ch) {
case '1':
once = 1;
flags = DB_FORCE;
break;
case 'h':
home = optarg;
break;
case 'k':
if (__db_getlong(NULL, progname,
optarg, 1, (long)MAX_UINT32_T, &argval))
return (EXIT_FAILURE);
kbytes = (u_int32_t)argval;
break;
case 'L':
logfile = optarg;
break;
case 'P':
if (passwd != NULL) {
fprintf(stderr, DB_STR("5134",
"Password may not be specified twice"));
free(passwd);
return (EXIT_FAILURE);
}
passwd = strdup(optarg);
memset(optarg, 0, strlen(optarg));
if (passwd == NULL) {
fprintf(stderr, DB_STR_A("5121",
"%s: strdup: %s\n", "%s %s"),
progname, strerror(errno));
return (EXIT_FAILURE);
}
break;
case 'p':
if (__db_getlong(NULL, progname,
optarg, 1, (long)MAX_UINT32_T, &argval))
return (EXIT_FAILURE);
minutes = (u_int32_t)argval;
break;
case 'V':
printf("%s\n", db_version(NULL, NULL, NULL));
return (EXIT_SUCCESS);
case 'v':
verbose = 1;
break;
case '?':
default:
return (usage());
}
argc -= optind;
argv += optind;
if (argc != 0)
return (usage());
if (once == 0 && kbytes == 0 && minutes == 0) {
(void)fprintf(stderr, DB_STR_A("5122",
"%s: at least one of -1, -k and -p must be specified\n",
"%s\n"), progname);
return (usage());
}
/* Handle possible interruptions. */
__db_util_siginit();
/* Log our process ID. */
if (logfile != NULL && __db_util_logset(progname, logfile))
goto err;
/*
* 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 err;
}
dbenv->set_errfile(dbenv, stderr);
dbenv->set_errpfx(dbenv, progname);
if (passwd != NULL && (ret = dbenv->set_encrypt(dbenv,
passwd, DB_ENCRYPT_AES)) != 0) {
dbenv->err(dbenv, ret, "set_passwd");
goto err;
}
/*
* If attaching to a pre-existing environment fails, create a
* private one and try again. Turn on DB_THREAD in case a repmgr
* application wants to do checkpointing using this utility: repmgr
* requires DB_THREAD for all env handles.
*/
#ifdef HAVE_REPLICATION_THREADS
#define ENV_FLAGS (DB_THREAD | DB_USE_ENVIRON)
#else
#define ENV_FLAGS DB_USE_ENVIRON
#endif
if ((ret = dbenv->open(dbenv, home, ENV_FLAGS, 0)) != 0 &&
(!once || ret == DB_VERSION_MISMATCH || ret == DB_REP_LOCKOUT ||
(ret = dbenv->open(dbenv, home,
DB_CREATE | DB_INIT_TXN | DB_PRIVATE | DB_USE_ENVIRON, 0)) != 0)) {
dbenv->err(dbenv, ret, "DB_ENV->open");
goto err;
}
/*
* 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, DB_STR_A("5123",
"checkpoint begin: %s", "%s"),
__os_ctime(&now, time_buf));
}
if ((ret = dbenv->txn_checkpoint(dbenv,
kbytes, minutes, flags)) != 0) {
dbenv->err(dbenv, ret, "txn_checkpoint");
goto err;
}
if (verbose) {
(void)time(&now);
dbenv->errx(dbenv, DB_STR_A("5124",
"checkpoint complete: %s", "%s"),
__os_ctime(&now, time_buf));
}
if (once)
break;
__os_yield(dbenv->env, seconds, 0);
}
if (0) {
err: exitval = 1;
}
/* Clean up the logfile. */
if (logfile != NULL)
(void)remove(logfile);
/* Clean up the environment. */
if (dbenv != NULL && (ret = dbenv->close(dbenv, 0)) != 0) {
exitval = 1;
fprintf(stderr,
"%s: dbenv->close: %s\n", progname, db_strerror(ret));
}
if (passwd != NULL)
free(passwd);
/* Resend any caught signal. */
__db_util_sigresend();
return (exitval == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
int
usage()
{
(void)fprintf(stderr, "usage: %s [-1Vv]\n\t%s\n", progname,
"[-h home] [-k kbytes] [-L file] [-P password] [-p min]");
return (EXIT_FAILURE);
}
int
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) {
fprintf(stderr, DB_STR_A("5125",
"%s: version %d.%d doesn't match library version %d.%d\n",
"%s %d %d %d %d\n"), progname, DB_VERSION_MAJOR,
DB_VERSION_MINOR, v_major, v_minor);
return (EXIT_FAILURE);
}
return (0);
}
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