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