rtsol.tproj/dump.c

   1 /*
   2  * Copyright (c) 2009 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 /*      $KAME: dump.c,v 1.8 2000/10/05 22:20:39 itojun Exp $    */
  30
  31 /*
  32  * Copyright (C) 1999 WIDE Project.
  33  * All rights reserved.
  34  *
  35  * Redistribution and use in source and binary forms, with or without
  36  * modification, are permitted provided that the following conditions
  37  * are met:
  38  * 1. Redistributions of source code must retain the above copyright
  39  *    notice, this list of conditions and the following disclaimer.
  40  * 2. Redistributions in binary form must reproduce the above copyright
  41  *    notice, this list of conditions and the following disclaimer in the
  42  *    documentation and/or other materials provided with the distribution.
  43  * 3. Neither the name of the project nor the names of its contributors
  44  *    may be used to endorse or promote products derived from this software
  45  *    without specific prior written permission.
  46  *
  47  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  48  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  50  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  51  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  52  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  53  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  55  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  56  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  57  * SUCH DAMAGE.
  58  *
  59  * $FreeBSD: src/usr.sbin/rtsold/dump.c,v 1.1.2.3 2001/07/03 11:02:16 ume Exp $
  60  */
  61
  62 #include <sys/types.h>
  63 #include <sys/time.h>
  64 #include <sys/socket.h>
  65
  66 #include <net/if.h>
  67 #include <netinet/in.h>
  68 #include <netinet/icmp6.h>
  69
  70 #include <syslog.h>
  71 #include <time.h>
  72 #include <stdio.h>
  73 #include <string.h>
  74 #include <errno.h>
  75
  76 #include "rtsold.h"
  77
  78 static FILE *fp;
  79
  80 extern struct ifinfo *iflist;
  81
  82 static void dump_interface_status __P((void));
  83 static char *sec2str __P((time_t));
  84 char *ifstatstr[] = {"IDLE", "DELAY", "PROBE", "DOWN", "TENTATIVE"};
  85
  86 static void
  87 dump_interface_status()
  88 {
  89         struct ifinfo *ifinfo;
  90         struct timeval now;
  91
  92         gettimeofday(&now, NULL);
  93
  94         for (ifinfo = iflist; ifinfo; ifinfo = ifinfo->next) {
  95                 fprintf(fp, "Interface %s\n", ifinfo->ifname);
  96                 fprintf(fp, "  probe interval: ");
  97                 if (ifinfo->probeinterval) {
  98                         fprintf(fp, "%d\n", ifinfo->probeinterval);
  99                         fprintf(fp, "  probe timer: %d\n", ifinfo->probetimer);
 100                 }
 101                 else {
 102                         fprintf(fp, "infinity\n");
 103                         fprintf(fp, "  no probe timer\n");
 104                 }
 105                 fprintf(fp, "  interface status: %s\n",
 106                         ifinfo->active > 0 ? "active" : "inactive");
 107                 fprintf(fp, "  rtsold status: %s\n", ifstatstr[ifinfo->state]);
 108                 fprintf(fp, "  carrier detection: %s\n",
 109                         ifinfo->mediareqok ? "available" : "unavailable");
 110                 fprintf(fp, "  probes: %d, dadcount = %d\n",
 111                         ifinfo->probes, ifinfo->dadcount);
 112                 if (ifinfo->timer.tv_sec == tm_max.tv_sec &&
 113                     ifinfo->timer.tv_usec == tm_max.tv_usec)
 114                         fprintf(fp, "  no timer\n");
 115                 else {
 116                         fprintf(fp, "  timer: interval=%d:%d, expire=%s\n",
 117                                 (int)ifinfo->timer.tv_sec,
 118                                 (int)ifinfo->timer.tv_usec,
 119                                 (ifinfo->expire.tv_sec < now.tv_sec) ? "expired"
 120                                 : sec2str(ifinfo->expire.tv_sec - now.tv_sec));
 121                 }
 122                 fprintf(fp, "  number of valid RAs: %d\n", ifinfo->racnt);
 123         }
 124 }
 125
 126 void
 127 rtsold_dump_file(dumpfile)
 128         char *dumpfile;
 129 {
 130         if ((fp = fopen(dumpfile, "w")) == NULL) {
 131                 warnmsg(LOG_WARNING, __FUNCTION__, "open a dump file(%s): %s",
 132                         dumpfile, strerror(errno));
 133                 return;
 134         }
 135
 136         dump_interface_status();
 137
 138         fclose(fp);
 139 }
 140
 141 static char *
 142 sec2str(total)
 143         time_t total;
 144 {
 145         static char result[256];
 146         int days, hours, mins, secs;
 147         int first = 1;
 148         char *p = result;
 149
 150         days = total / 3600 / 24;
 151         hours = (total / 3600) % 24;
 152         mins = (total / 60) % 60;
 153         secs = total % 60;
 154
 155         if (days) {
 156                 first = 0;
 157                 p += snprintf(p, sizeof(result) - (p - result), "%dd", days);
 158         }
 159         if (!first || hours) {
 160                 first = 0;
 161                 p += snprintf(p, sizeof(result) - (p - result), "%dh", hours);
 162         }
 163         if (!first || mins) {
 164                 first = 0;
 165                 p += snprintf(p, sizeof(result) - (p - result), "%dm", mins);
 166         }
 167         snprintf(p, sizeof(result) - (p - result), "%ds", secs);
 168
 169         return(result);
 170 }