usr/src/lib/libcontract/common/device_dump.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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #pragma ident   "%Z%%M% %I%     %E% SMI"
  27
  28 #include <sys/contract/device.h>
  29 #include <sys/wait.h>
  30 #include <sys/ctfs.h>
  31 #include <unistd.h>
  32 #include <fcntl.h>
  33 #include <errno.h>
  34 #include <string.h>
  35 #include <limits.h>
  36 #include <stdio.h>
  37 #include <assert.h>
  38 #include <signal.h>
  39 #include <libuutil.h>
  40 #include <libintl.h>
  41 #include <libcontract.h>
  42 #include <libcontract_priv.h>
  43 #include "libcontract_impl.h"
  44 #include "libcontract_priv.h"
  45
  46 /*ARGSUSED*/
  47 void
  48 event_device(FILE *file, ct_evthdl_t ev, int verbose)
  49 {
  50         uint_t type;
  51         char *device;
  52         char *s;
  53         ctid_t ctid;
  54         ct_stathdl_t stathdl;
  55         int statfd;
  56
  57         type = ct_event_get_type(ev);
  58         ctid = ct_event_get_ctid(ev);
  59
  60         statfd = contract_open(ctid, "device", "status", O_RDONLY);
  61         if (statfd == -1) {
  62                 (void) fprintf(file, dgettext(TEXT_DOMAIN, "[bad contract]\n"));
  63                 return;
  64         }
  65
  66         if (ct_status_read(statfd, CTD_ALL, &stathdl) != 0) {
  67                 (void) fprintf(file, dgettext(TEXT_DOMAIN, "[status error]\n"));
  68                 return;
  69         }
  70
  71         if (ct_dev_status_get_minor(stathdl, &device) != 0) {
  72                 (void) fprintf(file, dgettext(TEXT_DOMAIN, "[bad status]\n"));
  73                 return;
  74         }
  75
  76
  77         switch (type) {
  78         case CT_DEV_EV_OFFLINE:
  79                 s = dgettext(TEXT_DOMAIN, "device %s offlining\n");
  80                 break;
  81         case CT_DEV_EV_DEGRADED:
  82                 s = dgettext(TEXT_DOMAIN, "device %s degrading\n");
  83                 break;
  84         case CT_DEV_EV_ONLINE:
  85                 s = dgettext(TEXT_DOMAIN, "device %s online\n");
  86                 break;
  87         case CT_EV_NEGEND:
  88                 contract_negend_dump(file, ev);
  89                 s = NULL;
  90                 break;
  91         default:
  92                 s = dgettext(TEXT_DOMAIN, "device %s sent an unknown event\n");
  93                 break;
  94         }
  95
  96         if (s) {
  97                 /*LINTED*/
  98                 (void) fprintf(file, s, device);
  99         }
 100
 101         ct_status_free(stathdl);
 102         (void) close(statfd);
 103 }