/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* rename or exchange metadevice identity
*/
#include <meta.h>
#include <sdssc.h>
/*
* print usage message
*/
static void
usage(
mdsetname_t *sp,
int eval
)
{
(void) fprintf(stderr, gettext("\
usage: %s [-s setname] [-f] [-x] metadevice1 metadevice2\n\
%s -h\n\
options:\n\
-s operations are done on the set setname, rather than the local set\n\
-f force exchange or rename\n\
-x exchange the identities of metadevice1 and metadevice2\n\
-h help: print this message\n"), myname, myname);
md_exit(sp, eval);
}
/*
* mainline. crack command line arguments.
*/
int
main(
int argc,
char *argv[]
)
{
char *sname = NULL;
mdsetname_t *sp = NULL;
int xflag = 0;
mdcmdopts_t options = (MDCMD_PRINT | MDCMD_DOIT);
md_error_t status = mdnullerror;
md_error_t *ep = &status;
int rc = 0;
mdname_t *mdnms[2];
int c, i;
int error;
bool_t called_thru_rpc = FALSE;
char *cp;
int origargc = argc;
char **origargv = argv;
char *miscname;
/*
* Get the locale set up before calling any other routines
* with messages to ouput. Just in case we're not in a build
* environment, make sure that TEXT_DOMAIN gets set to
* something.
*/
#if !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN "SYS_TEST"
#endif
(void) setlocale(LC_ALL, "");
(void) textdomain(TEXT_DOMAIN);
if ((cp = strstr(argv[0], ".rpc_call")) == NULL) {
if (sdssc_bind_library() == SDSSC_OKAY)
if (sdssc_cmd_proxy(argc, argv, SDSSC_PROXY_PRIMARY,
&error) == SDSSC_PROXY_DONE)
exit(error);
} else {
*cp = '\0'; /* cut off ".rpc_call" */
called_thru_rpc = TRUE;
}
/* initialize */
if (md_init(argc, argv, 0, 1, ep) != 0 ||
meta_check_root(ep) != 0) {
mde_perror(ep, "");
md_exit(sp, 1);
}
/* parse args */
optind = 1;
opterr = 1;
while ((c = getopt(argc, argv, "fns:xh?")) != -1) {
switch (c) {
case 'h':
usage(sp, 0);
break;
case 's':
sname = optarg;
break;
case 'x':
++xflag;
break;
case 'f':
options |= MDCMD_FORCE;
break;
case 'n':
if (called_thru_rpc == TRUE) {
options &= ~MDCMD_DOIT;
} else {
usage(sp, 1);
}
break;
case '?':
if (optopt == '?')
usage(sp, 0);
/*FALLTHROUGH*/
default:
usage(sp, 1);
break;
}
}
argc -= optind;
argv += optind;
if (sname != NULL) {
if ((sp = metasetname(sname, ep)) == NULL) {
mde_perror(ep, "");
md_exit(sp, 1);
}
}
if (argc != 2) {
usage(sp, 1);
}
if ((called_thru_rpc == FALSE) &&
meta_is_mn_name(&sp, argv[0], ep)) {
/*
* If we are dealing with a MN set and we were not
* called thru an rpc call, we are just to send this
* command string to the master of the set and let it
* deal with it.
* Note that if sp is NULL, meta_is_mn_name() derives sp
* from argv[0] which is the metadevice arg
*/
int result;
int i;
int newargc;
char **newargv;
/*
* For MN sets we start a dryrun version of this command
* before sending out the real version.
* Thus we need a new array for the arguments as the first
* one will be -n to indicate the dryrun
*/
newargv = calloc(origargc+1, sizeof (char *));
newargv[0] = "metarename";
newargv[1] = "-n"; /* always do "-n" first */
newargc = 2;
for (i = 1; i < origargc; i++, newargc++)
newargv[newargc] = origargv[i];
result = meta_mn_send_command(sp, newargc, newargv,
MD_DISP_STDERR | MD_DRYRUN, NO_CONTEXT_STRING, ep);
/* If we found a problem don't do it for real */
if (result != 0) {
md_exit(sp, result);
}
/*
* Do it for real now. Remove "-n" from the arguments and
* MD_DRYRUN from the flags. If this fails, the master must
* panic as the mddb may be inconsistent.
*/
newargv[1] = ""; /* this was "-n" before */
result = meta_mn_send_command(sp, newargc, newargv,
MD_DISP_STDERR | MD_RETRY_BUSY | MD_PANIC_WHEN_INCONSISTENT,
NO_CONTEXT_STRING, ep);
free(newargv);
md_exit(sp, result);
}
for (i = 0; i < 2; i++) {
if (!is_metaname(argv[i])) {
/*
* one of the input devices is not a valid
* metadevice name
*/
usage(sp, 1);
}
if (i == 1 && !xflag) {
/* rename, create dest metadevice name */
if (meta_init_make_device(&sp, argv[i], ep) <= 0) {
mde_perror(ep, argv[i]);
md_exit(sp, 1);
}
}
if ((mdnms[i] = metaname(&sp, argv[i],
META_DEVICE, ep)) == NULL) {
mde_perror(ep, argv[i]);
md_exit(sp, 1);
}
}
/*
* The FORCE option is only valid for a trans metadevice, clear it if
* it is not trans
*/
if ((miscname = metagetmiscname(mdnms[0], ep)) == NULL) {
mde_perror(ep, "");
md_exit(sp, 1);
}
if (strcmp(miscname, MD_TRANS) != 0) {
options &= ~MDCMD_FORCE;
}
if (meta_lock(sp, TRUE, ep)) {
mde_perror(ep, "");
md_exit(sp, 1);
}
if (meta_check_ownership(sp, ep) != 0) {
mde_perror(ep, "");
md_exit(sp, 1);
}
if (xflag) {
rc = meta_exchange(sp, mdnms[0], mdnms[1], options, ep);
} else {
rc = meta_rename(sp, mdnms[0], mdnms[1], options, ep);
}
out:
if (rc != 0 || !mdisok(ep)) {
mde_perror(ep, "");
}
md_exit(sp, rc);
/*NOTREACHED*/
return (rc);
}