150 lines
4.3 KiB
C
150 lines
4.3 KiB
C
/* $KAME: dump.c,v 1.13 2003/10/05 00:09:36 itojun Exp $ */
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/*
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* Copyright (C) 1999 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/icmp6.h>
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#include <syslog.h>
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#include <time.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include "rtsold.h"
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static FILE *fp;
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extern struct ifinfo *iflist;
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static void dump_interface_status(void);
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static const char *sec2str(time_t);
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static const char * const ifstatstr[] = {"IDLE", "DELAY", "PROBE", "DOWN", "TENTATIVE"};
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static void
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dump_interface_status(void)
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{
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struct ifinfo *ifinfo;
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struct timeval now;
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gettimeofday(&now, NULL);
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for (ifinfo = iflist; ifinfo; ifinfo = ifinfo->next) {
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fprintf(fp, "Interface %s\n", ifinfo->ifname);
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fprintf(fp, " probe interval: ");
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if (ifinfo->probeinterval) {
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fprintf(fp, "%d\n", ifinfo->probeinterval);
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fprintf(fp, " probe timer: %d\n", ifinfo->probetimer);
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} else {
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fprintf(fp, "infinity\n");
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fprintf(fp, " no probe timer\n");
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}
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fprintf(fp, " interface status: %s\n",
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ifinfo->active > 0 ? "active" : "inactive");
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fprintf(fp, " other config: %s\n",
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ifinfo->otherconfig ? "on" : "off");
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fprintf(fp, " rtsold status: %s\n", ifstatstr[ifinfo->state]);
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fprintf(fp, " carrier detection: %s\n",
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ifinfo->mediareqok ? "available" : "unavailable");
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fprintf(fp, " probes: %d, dadcount = %d\n",
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ifinfo->probes, ifinfo->dadcount);
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if (ifinfo->timer.tv_sec == tm_max.tv_sec &&
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ifinfo->timer.tv_usec == tm_max.tv_usec)
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fprintf(fp, " no timer\n");
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else {
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fprintf(fp, " timer: interval=%d:%d, expire=%s\n",
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(int)ifinfo->timer.tv_sec,
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(int)ifinfo->timer.tv_usec,
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(ifinfo->expire.tv_sec < now.tv_sec) ? "expired"
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: sec2str(ifinfo->expire.tv_sec - now.tv_sec));
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}
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fprintf(fp, " number of valid RAs: %d\n", ifinfo->racnt);
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}
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}
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void
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rtsold_dump_file(const char *dumpfile)
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{
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if ((fp = fopen(dumpfile, "w")) == NULL) {
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warnmsg(LOG_WARNING, __func__, "open a dump file(%s): %s",
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dumpfile, strerror(errno));
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return;
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}
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dump_interface_status();
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fclose(fp);
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}
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static const char *
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sec2str(time_t total)
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{
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static char result[256];
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int days, hours, mins, secs;
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int first = 1;
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char *p = result;
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char *ep = &result[sizeof(result)];
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int n;
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days = total / 3600 / 24;
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hours = (total / 3600) % 24;
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mins = (total / 60) % 60;
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secs = total % 60;
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if (days) {
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first = 0;
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n = snprintf(p, ep - p, "%dd", days);
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if (n < 0 || n >= ep - p)
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return "?";
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p += n;
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}
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if (!first || hours) {
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first = 0;
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n = snprintf(p, ep - p, "%dh", hours);
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if (n < 0 || n >= ep - p)
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return "?";
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p += n;
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}
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if (!first || mins) {
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first = 0;
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n = snprintf(p, ep - p, "%dm", mins);
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if (n < 0 || n >= ep - p)
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return "?";
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p += n;
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}
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snprintf(p, ep - p, "%ds", secs);
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return(result);
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}
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