dump.c revision 118661 
1/*	$KAME: dump.c,v 1.8 2000/10/05 22:20:39 itojun Exp $	*/
2
3/*
4 * Copyright (C) 1999 WIDE Project.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the project nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD: head/usr.sbin/rtsold/dump.c 118661 2003-08-08 16:42:37Z ume $
32 */
33
34#include <sys/types.h>
35#include <sys/time.h>
36#include <sys/socket.h>
37
38#include <net/if.h>
39#include <netinet/in.h>
40#include <netinet/icmp6.h>
41
42#include <syslog.h>
43#include <time.h>
44#include <stdio.h>
45#include <string.h>
46#include <errno.h>
47
48#include "rtsold.h"
49
50static FILE *fp;
51
52extern struct ifinfo *iflist;
53
54static void dump_interface_status __P((void));
55static char *sec2str __P((time_t));
56char *ifstatstr[] = {"IDLE", "DELAY", "PROBE", "DOWN", "TENTATIVE"};
57
58static void
59dump_interface_status()
60{
61	struct ifinfo *ifinfo;
62	struct timeval now;
63
64	gettimeofday(&now, NULL);
65
66	for (ifinfo = iflist; ifinfo; ifinfo = ifinfo->next) {
67		fprintf(fp, "Interface %s\n", ifinfo->ifname);
68		fprintf(fp, "  probe interval: ");
69		if (ifinfo->probeinterval) {
70			fprintf(fp, "%d\n", ifinfo->probeinterval);
71			fprintf(fp, "  probe timer: %d\n", ifinfo->probetimer);
72		}
73		else {
74			fprintf(fp, "infinity\n");
75			fprintf(fp, "  no probe timer\n");
76		}
77		fprintf(fp, "  interface status: %s\n",
78			ifinfo->active > 0 ? "active" : "inactive");
79		fprintf(fp, "  other config: %s\n",
80		    ifinfo->otherconfig ? "on" : "off");
81		fprintf(fp, "  rtsold status: %s\n", ifstatstr[ifinfo->state]);
82		fprintf(fp, "  carrier detection: %s\n",
83			ifinfo->mediareqok ? "available" : "unavailable");
84		fprintf(fp, "  probes: %d, dadcount = %d\n",
85			ifinfo->probes, ifinfo->dadcount);
86		if (ifinfo->timer.tv_sec == tm_max.tv_sec &&
87		    ifinfo->timer.tv_usec == tm_max.tv_usec)
88			fprintf(fp, "  no timer\n");
89		else {
90			fprintf(fp, "  timer: interval=%d:%d, expire=%s\n",
91				(int)ifinfo->timer.tv_sec,
92				(int)ifinfo->timer.tv_usec,
93				(ifinfo->expire.tv_sec < now.tv_sec) ? "expired"
94				: sec2str(ifinfo->expire.tv_sec - now.tv_sec));
95		}
96		fprintf(fp, "  number of valid RAs: %d\n", ifinfo->racnt);
97	}
98}
99
100void
101rtsold_dump_file(dumpfile)
102	char *dumpfile;
103{
104	if ((fp = fopen(dumpfile, "w")) == NULL) {
105		warnmsg(LOG_WARNING, __func__, "open a dump file(%s): %s",
106			dumpfile, strerror(errno));
107		return;
108	}
109
110	dump_interface_status();
111
112	fclose(fp);
113}
114
115static char *
116sec2str(total)
117	time_t total;
118{
119	static char result[256];
120	int days, hours, mins, secs;
121	int first = 1;
122	char *p = result;
123
124	days = total / 3600 / 24;
125	hours = (total / 3600) % 24;
126	mins = (total / 60) % 60;
127	secs = total % 60;
128
129	if (days) {
130		first = 0;
131		p += sprintf(p, "%dd", days);
132	}
133	if (!first || hours) {
134		first = 0;
135		p += sprintf(p, "%dh", hours);
136	}
137	if (!first || mins) {
138		first = 0;
139		p += sprintf(p, "%dm", mins);
140	}
141	sprintf(p, "%ds", secs);
142
143	return(result);
144}
145