usr/src/cmd/clinfo/clinfo.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22
  23 /*
  24  * Copyright 2016 Nexenta Systems, Inc.  All rights reserved.
  25  */
  26
  27 /*
  28  * Copyright (c) 1998 by Sun Microsystems, Inc.
  29  * All rights reserved.
  30  */
  31
  32 #include <stdlib.h>
  33 #include <stdio.h>
  34 #include <unistd.h>
  35 #include <string.h>
  36 #include <errno.h>
  37 #include <locale.h>
  38 #include <sys/cladm.h>
  39
  40 #if !defined(TEXT_DOMAIN)               /* should be defined by cc -D */
  41 #define TEXT_DOMAIN     "SYS_TEST"      /* Use this only if it wasn't */
  42 #endif
  43
  44 static char *cmdname;
  45
  46 static void errmsg(char *);
  47 static void usage();
  48
  49 int
  50 main(int argc, char **argv)
  51 {
  52         int c, bootflags;
  53         nodeid_t nid, hid;
  54         char *cp = "";
  55
  56         (void) setlocale(LC_ALL, "");
  57         (void) textdomain(TEXT_DOMAIN);
  58
  59         cmdname = argv[0];      /* put actual command name in messages */
  60
  61         if (_cladm(CL_INITIALIZE, CL_GET_BOOTFLAG, &bootflags) != 0) {
  62                 errmsg("_cladm(CL_INITIALIZE, CL_GET_BOOTFLAG)");
  63                 return (1);
  64         }
  65
  66         while ((c = getopt(argc, argv, "bnh")) != EOF) {
  67                 switch (c) {
  68                 case 'b':       /* print boot flags */
  69                         (void) printf("%s%u\n", cp, bootflags);
  70                         break;
  71
  72                 case 'n':       /* print our node number */
  73                         if (_cladm(CL_CONFIG, CL_NODEID, &nid) != 0) {
  74                                 errmsg("node is not configured as part of a "
  75                                     "cluster");
  76                                 return (1);
  77                         }
  78                         (void) printf("%s%u\n", cp, nid);
  79                         break;
  80
  81                 case 'h':       /* print the highest node number */
  82                         if (_cladm(CL_CONFIG, CL_HIGHEST_NODEID, &hid) != 0) {
  83                                 errmsg("node is not booted as part of a "
  84                                     "cluster");
  85                                 return (1);
  86                         }
  87                         (void) printf("%s%u\n", cp, hid);
  88                         break;
  89
  90                 default:
  91                         usage();
  92                         return (1);
  93                 }
  94                 cp = " ";
  95         }
  96
  97         /*
  98          * Return exit status of one (error) if not booted as a cluster.
  99          */
 100         return (bootflags & CLUSTER_BOOTED ? 0 : 1);
 101 }
 102
 103 static void
 104 errmsg(char *msg)
 105 {
 106         int save_error;
 107
 108         save_error = errno;             /* in case fprintf changes errno */
 109         (void) fprintf(stderr, "%s: ", cmdname);
 110         errno = save_error;
 111         perror(msg);
 112 }
 113
 114 static void
 115 usage()
 116 {
 117         (void) fprintf(stderr, "%s: %s -[bnh]\n", gettext("usage"), cmdname);
 118 }