1 /* 2 * Copyright (C) 1999 WIDE Project. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the project nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #include <sys/types.h> 33 #include <sys/time.h> 34 #include <sys/socket.h> 35 36 #include <net/if.h> 37 #include <netinet/in.h> 38 #include <netinet/icmp6.h> 39 40 #include <syslog.h> 41 #include <time.h> 42 #include <stdio.h> 43 #include <string.h> 44 #include <errno.h> 45 46 #include "rtsold.h" 47 48 static FILE *fp; 49 50 extern struct ifinfo *iflist; 51 52 static void dump_interface_status __P((void)); 53 static char *sec2str __P((time_t)); 54 char *ifstatstr[] = {"IDLE", "DELAY", "PROBE", "DOWN", "TENTATIVE"}; 55 56 static void 57 dump_interface_status() 58 { 59 struct ifinfo *ifinfo; 60 struct timeval now; 61 62 gettimeofday(&now, NULL); 63 64 for (ifinfo = iflist; ifinfo; ifinfo = ifinfo->next) { 65 fprintf(fp, "Interface %s\n", ifinfo->ifname); 66 fprintf(fp, " probe interval: "); 67 if (ifinfo->probeinterval) { 68 fprintf(fp, "%d\n", ifinfo->probeinterval); 69 fprintf(fp, " probe timer: %d\n", ifinfo->probetimer); 70 } 71 else { 72 fprintf(fp, "infinity\n"); 73 fprintf(fp, " no probe timer\n"); 74 } 75 fprintf(fp, " interface status: %s\n", 76 ifinfo->active > 0 ? "active" : "inactive"); 77 fprintf(fp, " rtsold status: %s\n", ifstatstr[ifinfo->state]); 78 fprintf(fp, " carrier detection: %s\n", 79 ifinfo->mediareqok ? "available" : "unavailable"); 80 fprintf(fp, " probes: %d, dadcount = %d\n", 81 ifinfo->probes, ifinfo->dadcount); 82 if (ifinfo->timer.tv_sec == tm_max.tv_sec && 83 ifinfo->timer.tv_usec == tm_max.tv_usec) 84 fprintf(fp, " no timer\n"); 85 else { 86 fprintf(fp, " timer: interval=%d:%d, expire=%s\n", 87 (int)ifinfo->timer.tv_sec, 88 (int)ifinfo->timer.tv_usec, 89 (ifinfo->expire.tv_sec < now.tv_sec) ? "expired" 90 : sec2str(ifinfo->expire.tv_sec - now.tv_sec)); 91 } 92 fprintf(fp, " number of valid RAs: %d\n", ifinfo->racnt); 93 } 94 } 95 96 void 97 rtsold_dump_file(dumpfile) 98 char *dumpfile; 99 { 100 if ((fp = fopen(dumpfile, "w")) == NULL) { 101 warnmsg(LOG_WARNING, __FUNCTION__, "open a dump file(%s)", 102 dumpfile, strerror(errno)); 103 return; 104 } 105 106 dump_interface_status(); 107 108 fclose(fp); 109 } 110 111 static char * 112 sec2str(total) 113 time_t total; 114 { 115 static char result[256]; 116 int days, hours, mins, secs; 117 int first = 1; 118 char *p = result; 119 120 days = total / 3600 / 24; 121 hours = (total / 3600) % 24; 122 mins = (total / 60) % 60; 123 secs = total % 60; 124 125 if (days) { 126 first = 0; 127 p += sprintf(p, "%dd", days); 128 } 129 if (!first || hours) { 130 first = 0; 131 p += sprintf(p, "%dh", hours); 132 } 133 if (!first || mins) { 134 first = 0; 135 p += sprintf(p, "%dm", mins); 136 } 137 sprintf(p, "%ds", secs); 138 139 return(result); 140 } 141