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 78static FILE *fp; 79 80extern struct ifinfo *iflist; 81 82static void dump_interface_status __P((void)); 83static char *sec2str __P((time_t)); 84char *ifstatstr[] = { 85 "IDLE", "DELAY", "PROBE", "DOWN", "TENTATIVE", "OPTIMISTIC" 86}; 87 88static void 89dump_interface_status() 90{ 91 struct ifinfo *ifinfo; 92 struct timeval now; 93 94 gettimeofday(&now, NULL); 95 96 for (ifinfo = iflist; ifinfo; ifinfo = ifinfo->next) { 97 fprintf(fp, "Interface %s\n", ifinfo->ifname); 98 fprintf(fp, " probe interval: "); 99 if (ifinfo->probeinterval) { 100 fprintf(fp, "%d\n", ifinfo->probeinterval); 101 fprintf(fp, " probe timer: %d\n", ifinfo->probetimer); 102 } 103 else { 104 fprintf(fp, "infinity\n"); 105 fprintf(fp, " no probe timer\n"); 106 } 107 fprintf(fp, " interface status: %s\n", 108 ifinfo->active > 0 ? "active" : "inactive"); 109 fprintf(fp, " rtsold status: %s\n", ifstatstr[ifinfo->state]); 110 fprintf(fp, " carrier detection: %s\n", 111 ifinfo->mediareqok ? "available" : "unavailable"); 112 fprintf(fp, " probes: %d, dadcount = %d\n", 113 ifinfo->probes, ifinfo->dadcount); 114 if (ifinfo->timer.tv_sec == tm_max.tv_sec && 115 ifinfo->timer.tv_usec == tm_max.tv_usec) 116 fprintf(fp, " no timer\n"); 117 else { 118 fprintf(fp, " timer: interval=%d:%d, expire=%s\n", 119 (int)ifinfo->timer.tv_sec, 120 (int)ifinfo->timer.tv_usec, 121 (ifinfo->expire.tv_sec < now.tv_sec) ? "expired" 122 : sec2str(ifinfo->expire.tv_sec - now.tv_sec)); 123 } 124 fprintf(fp, " number of valid RAs: %d\n", ifinfo->racnt); 125 } 126} 127 128void 129rtsold_dump_file(dumpfile) 130 char *dumpfile; 131{ 132 if ((fp = fopen(dumpfile, "w")) == NULL) { 133 warnmsg(LOG_WARNING, __FUNCTION__, "open a dump file(%s): %s", 134 dumpfile, strerror(errno)); 135 return; 136 } 137 138 dump_interface_status(); 139 140 fclose(fp); 141} 142 143static char * 144sec2str(total) 145 time_t total; 146{ 147 static char result[256]; 148 int days, hours, mins, secs; 149 int first = 1; 150 char *p = result; 151 152 days = total / 3600 / 24; 153 hours = (total / 3600) % 24; 154 mins = (total / 60) % 60; 155 secs = total % 60; 156 157 if (days) { 158 first = 0; 159 p += snprintf(p, sizeof(result) - (p - result), "%dd", days); 160 } 161 if (!first || hours) { 162 first = 0; 163 p += snprintf(p, sizeof(result) - (p - result), "%dh", hours); 164 } 165 if (!first || mins) { 166 first = 0; 167 p += snprintf(p, sizeof(result) - (p - result), "%dm", mins); 168 } 169 snprintf(p, sizeof(result) - (p - result), "%ds", secs); 170 171 return(result); 172} 173