147 lines
4.3 KiB
C
147 lines
4.3 KiB
C
/* $NetBSD: dump.c,v 1.9 2009/04/11 07:51:59 lukem Exp $ */
|
|
/* $KAME: dump.c,v 1.10 2002/05/31 10:10:03 itojun Exp $ */
|
|
|
|
/*
|
|
* Copyright (C) 1999 WIDE Project.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the project nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <net/if.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/icmp6.h>
|
|
|
|
#include <syslog.h>
|
|
#include <time.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
|
|
#include "rtsold.h"
|
|
|
|
static FILE *fp;
|
|
|
|
extern struct ifinfo *iflist;
|
|
|
|
static void dump_interface_status __P((void));
|
|
static const char *sec2str __P((time_t));
|
|
const char *ifstatstr[] = {"IDLE", "DELAY", "PROBE", "DOWN", "TENTATIVE"};
|
|
|
|
static void
|
|
dump_interface_status(void)
|
|
{
|
|
struct ifinfo *ifinfo;
|
|
struct timeval now;
|
|
|
|
gettimeofday(&now, NULL);
|
|
|
|
for (ifinfo = iflist; ifinfo; ifinfo = ifinfo->next) {
|
|
fprintf(fp, "Interface %s\n", ifinfo->ifname);
|
|
fprintf(fp, " probe interval: ");
|
|
if (ifinfo->probeinterval) {
|
|
fprintf(fp, "%d\n", ifinfo->probeinterval);
|
|
fprintf(fp, " probe timer: %d\n", ifinfo->probetimer);
|
|
} else {
|
|
fprintf(fp, "infinity\n");
|
|
fprintf(fp, " no probe timer\n");
|
|
}
|
|
fprintf(fp, " interface status: %s\n",
|
|
ifinfo->active > 0 ? "active" : "inactive");
|
|
fprintf(fp, " rtsold status: %s\n", ifstatstr[ifinfo->state]);
|
|
fprintf(fp, " carrier detection: %s\n",
|
|
ifinfo->mediareqok ? "available" : "unavailable");
|
|
fprintf(fp, " probes: %d, dadcount = %d\n",
|
|
ifinfo->probes, ifinfo->dadcount);
|
|
if (ifinfo->timer.tv_sec == tm_max.tv_sec &&
|
|
ifinfo->timer.tv_usec == tm_max.tv_usec)
|
|
fprintf(fp, " no timer\n");
|
|
else {
|
|
fprintf(fp, " timer: interval=%d:%d, expire=%s\n",
|
|
(int)ifinfo->timer.tv_sec,
|
|
(int)ifinfo->timer.tv_usec,
|
|
(ifinfo->expire.tv_sec < now.tv_sec) ? "expired"
|
|
: sec2str(ifinfo->expire.tv_sec - now.tv_sec));
|
|
}
|
|
fprintf(fp, " number of valid RAs: %d\n", ifinfo->racnt);
|
|
}
|
|
}
|
|
|
|
void
|
|
rtsold_dump_file(const char *dumpfile)
|
|
{
|
|
if ((fp = fopen(dumpfile, "w")) == NULL) {
|
|
warnmsg(LOG_WARNING, __func__, "open a dump file(%s): %s",
|
|
dumpfile, strerror(errno));
|
|
return;
|
|
}
|
|
dump_interface_status();
|
|
fclose(fp);
|
|
}
|
|
|
|
static const char *
|
|
sec2str(time_t total)
|
|
{
|
|
static char result[256];
|
|
int days, hours, mins, secs;
|
|
int first = 1;
|
|
char *p = result;
|
|
char *ep = &result[sizeof(result)];
|
|
int n;
|
|
|
|
days = total / 3600 / 24;
|
|
hours = (total / 3600) % 24;
|
|
mins = (total / 60) % 60;
|
|
secs = total % 60;
|
|
|
|
if (days) {
|
|
first = 0;
|
|
n = snprintf(p, ep - p, "%dd", days);
|
|
if (n < 0 || n >= ep - p)
|
|
return "?";
|
|
p += n;
|
|
}
|
|
if (!first || hours) {
|
|
first = 0;
|
|
n = snprintf(p, ep - p, "%dh", hours);
|
|
if (n < 0 || n >= ep - p)
|
|
return "?";
|
|
p += n;
|
|
}
|
|
if (!first || mins) {
|
|
first = 0;
|
|
n = snprintf(p, ep - p, "%dm", mins);
|
|
if (n < 0 || n >= ep - p)
|
|
return "?";
|
|
p += n;
|
|
}
|
|
snprintf(p, ep - p, "%ds", secs);
|
|
return(result);
|
|
}
|