lvm/util/medstat.c

	medstat.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (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 1992-2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

/*
 * mediator status utility.
 */

#include <meta.h>
#include <sdssc.h>

static void
usage(
    mdsetname_t *sp,
    char        *string)
{
    if ((string != NULL) && (*string != '\0'))
        md_eprintf("%s\n", string);
    (void) fprintf(stderr, gettext(
        "usage: %s [-q] -s setname\n"),
    myname);
    md_exit(sp, (string == NULL) ? 0 : 1);
}

/*
 * parse args and do it
 */
int
main(
    int         argc,
    char            *argv[]
)
{
    int         c;
    char            *sname = MD_LOCAL_NAME;
    md_error_t      status = mdnullerror;
    md_error_t      *ep = &status;
    mdsetname_t     *sp = NULL;
    md_set_desc     *sd;
    int         i;
    int         max_meds;
    md_h_t          mdh;
    med_data_t      medd;
    int         medok = 0;
    int         golden = 0;
    int         verbose = 1;
    int         error;

    /*
     * 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 ((sdssc_bind_library() == SDSSC_OKAY) &&
        (sdssc_cmd_proxy(argc, argv, SDSSC_PROXY_PRIMARY,
            &error) == SDSSC_PROXY_DONE))
            exit(error);

    /* initialize */
    if (md_init(argc, argv, 0, 1, ep) != 0) {
        mde_perror(ep, "");
        md_exit(sp, 1);
    }

    optind = 1;
    opterr = 1;
    while ((c = getopt(argc, argv, "qs:?")) != -1) {
        switch (c) {
            case 'q':
                verbose = 0;
                break;
            case 's':
                sname = optarg;
                break;
            case '?':
                if (optopt == '?')
                    usage(sp, NULL);
                /*FALLTHROUGH*/
            default:
            usage(sp, gettext("unknown command"));
        }
    }

    /* must have set for everything else */
    if (strcmp(sname, MD_LOCAL_NAME) == 0)
        usage(sp, gettext("setname must be specified"));

    /* snarf MDDB */
    if (meta_setup_db_locations(ep) != 0) {
        mde_perror(ep, "");
        md_exit(sp, 1);
    }

    if ((sp = metasetname(sname, ep)) == NULL) {
        mde_perror(ep, "");
        md_exit(sp, 1);
    }

    if ((sd = metaget_setdesc(sp, ep)) == NULL) {
        mde_perror(ep, "");
        md_exit(sp, 1);
    }

    if (sd->sd_med.n_cnt == 0) {
        if (verbose)
            (void) printf(gettext(
                "No mediator hosts configured for set \"%s\".\n"),
                sname);
        md_exit(sp, 2);
    }

    if ((max_meds = get_max_meds(ep)) == 0)
        return (-1);

    if (verbose)
        (void) printf("%8.8s\t\t%6.6s\t%6.6s\n",
            gettext("Mediator"), gettext("Status"),
            gettext("Golden"));

    for (i = 0; i < max_meds; i++) {

        if (sd->sd_med.n_lst[i].a_cnt == 0)
            continue;

        (void) memset(&medd, '\0', sizeof (medd));
        (void) memset(&mdh, '\0', sizeof (mdh));
        mdh = sd->sd_med.n_lst[i];  /* structure assignment */

        if (verbose)
            (void) printf("%-17.17s\t",
                sd->sd_med.n_lst[i].a_nm[0]);

        if (clnt_med_get_data(&mdh, sp, &medd, ep) == -1) {
            if (mdanyrpcerror(ep)) {
                if (verbose)
                    (void) printf("%s\n",
                        gettext("Unreachable"));
                continue;
            } else if (mdiserror(ep, MDE_MED_ERROR)) {
                if (verbose)
                    (void) printf("%s\n",
                        gettext("Bad"));
            } else {
                if (verbose)
                    (void) printf("%s\n",
                        gettext("Fatal"));
            }
            mde_perror(ep, "");
            if (mdiserror(ep, MDE_MED_ERROR))
                continue;
            md_exit(sp, 1);
        }

        if (verbose)
            (void) printf("%s", gettext("Ok"));

        if (medd.med_dat_fl & MED_DFL_GOLDEN) {
            if (verbose)
                (void) printf("\t%s",
                    gettext("Yes"));
            golden++;
        } else {
            if (verbose)
                (void) printf("\t%s",
                    gettext("No"));
        }

        if (verbose)
            (void) printf("\n");

        medok++;
    }

    if (golden)
        md_exit(sp, 0);

    if (medok < ((sd->sd_med.n_cnt / 2) + 1))
        md_exit(sp, 1);

    md_exit(sp, 0);
    /*NOTREACHED*/
    return (0);
}