BSD 4_4_Lite2 release
[unix-history] / usr / src / usr.bin / netstat / mroute.c
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1/*
2 * Copyright (c) 1989 Stephen Deering
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3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
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5 *
6 * This code is derived from software contributed to Berkeley by
7 * Stephen Deering of Stanford University.
8 *
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9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
c89b6165 24 *
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25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
fd88f5c5 37 * @(#)mroute.c 8.2 (Berkeley) 4/28/95
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38 */
39
40/*
41 * Print DVMRP multicast routing structures and statistics.
42 *
43 * MROUTING 1.0
44 */
45
46#include <sys/param.h>
47#include <sys/socket.h>
48#include <sys/socketvar.h>
49#include <sys/protosw.h>
50
51#include <netinet/in.h>
52#include <netinet/igmp.h>
53#define KERNEL 1
54#include <netinet/ip_mroute.h>
55#undef KERNEL
56
57#include <stdio.h>
58#include <stdlib.h>
59#include "netstat.h"
60
61void
62mroutepr(mrpaddr, mrtaddr, vifaddr)
d1cfb820 63 u_long mrpaddr, mrtaddr, vifaddr;
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64{
65 u_int mrtproto;
66 struct mrt *mrttable[MRTHASHSIZ];
67 struct vif viftable[MAXVIFS];
68 register struct mrt *mrt;
69 struct mrt smrt;
70 register struct vif *v;
71 register vifi_t vifi;
72 register struct in_addr *grp;
73 register int i, n;
74 register int banner_printed;
75 register int saved_nflag;
76
77 if (mrpaddr == 0) {
78 printf("ip_mrtproto: symbol not in namelist\n");
79 return;
80 }
81
d1cfb820 82 kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
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83 switch (mrtproto) {
84
85 case 0:
86 printf("no multicast routing compiled into this system\n");
87 return;
88
89 case IGMP_DVMRP:
90 break;
91
92 default:
93 printf("multicast routing protocol %u, unknown\n", mrtproto);
94 return;
95 }
96
97 if (mrtaddr == 0) {
98 printf("mrttable: symbol not in namelist\n");
99 return;
100 }
101 if (vifaddr == 0) {
102 printf("viftable: symbol not in namelist\n");
103 return;
104 }
105
106 saved_nflag = nflag;
107 nflag = 1;
108
d1cfb820 109 kread(vifaddr, (char *)&viftable, sizeof(viftable));
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110 banner_printed = 0;
111 for (vifi = 0, v = viftable; vifi < MAXVIFS; ++vifi, ++v) {
112 if (v->v_lcl_addr.s_addr == 0)
113 continue;
114
115 if (!banner_printed) {
116 printf("\nVirtual Interface Table\n%s%s",
117 " Vif Threshold Local-Address ",
118 "Remote-Address Groups\n");
119 banner_printed = 1;
120 }
121
122 printf(" %2u %3u %-15.15s",
123 vifi, v->v_threshold, routename(v->v_lcl_addr.s_addr));
124 printf(" %-15.15s\n", (v->v_flags & VIFF_TUNNEL) ?
125 routename(v->v_rmt_addr.s_addr) : "");
126
127 n = v->v_lcl_grps_n;
128 grp = (struct in_addr *)malloc(n * sizeof(*grp));
129 if (grp == NULL) {
130 printf("v_lcl_grps_n: malloc failed\n");
131 return;
132 }
d1cfb820 133 kread((u_long)v->v_lcl_grps, (caddr_t)grp, n * sizeof(*grp));
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134 for (i = 0; i < n; ++i)
135 printf("%51s %-15.15s\n",
136 "", routename((grp++)->s_addr));
137 free(grp);
138 }
139 if (!banner_printed)
140 printf("\nVirtual Interface Table is empty\n");
141
d1cfb820 142 kread(mrtaddr, (char *)&mrttable, sizeof(mrttable));
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143 banner_printed = 0;
144 for (i = 0; i < MRTHASHSIZ; ++i) {
145 for (mrt = mrttable[i]; mrt != NULL; mrt = mrt->mrt_next) {
146 if (!banner_printed) {
147 printf("\nMulticast Routing Table\n%s",
148 " Hash Origin-Subnet In-Vif Out-Vifs\n");
149 banner_printed = 1;
150 }
151
d1cfb820 152 kread((u_long)mrt, (char *)&smrt, sizeof(*mrt));
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153 mrt = &smrt;
154 printf(" %3u %-15.15s %2u ",
155 i, netname(mrt->mrt_origin.s_addr,
156 ntohl(mrt->mrt_originmask.s_addr)),
157 mrt->mrt_parent);
158 for (vifi = 0; vifi < MAXVIFS; ++vifi)
159 if (VIFM_ISSET(vifi, mrt->mrt_children))
160 printf(" %u%c",
161 vifi,
162 VIFM_ISSET(vifi, mrt->mrt_leaves) ?
163 '*' : ' ');
164 printf("\n");
165 }
166 }
167 if (!banner_printed)
168 printf("\nMulticast Routing Table is empty\n");
169
170 printf("\n");
171 nflag = saved_nflag;
172}
173
174
175void
176mrt_stats(mrpaddr, mstaddr)
d1cfb820 177 u_long mrpaddr, mstaddr;
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178{
179 u_int mrtproto;
180 struct mrtstat mrtstat;
181
182 if(mrpaddr == 0) {
183 printf("ip_mrtproto: symbol not in namelist\n");
184 return;
185 }
186
d1cfb820 187 kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
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188 switch (mrtproto) {
189 case 0:
190 printf("no multicast routing compiled into this system\n");
191 return;
192
193 case IGMP_DVMRP:
194 break;
195
196 default:
197 printf("multicast routing protocol %u, unknown\n", mrtproto);
198 return;
199 }
200
201 if (mstaddr == 0) {
202 printf("mrtstat: symbol not in namelist\n");
203 return;
204 }
205
d1cfb820 206 kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
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207 printf("multicast routing:\n");
208 printf(" %10u multicast route lookup%s\n",
209 mrtstat.mrts_mrt_lookups, plural(mrtstat.mrts_mrt_lookups));
210 printf(" %10u multicast route cache miss%s\n",
211 mrtstat.mrts_mrt_misses, plurales(mrtstat.mrts_mrt_misses));
212 printf(" %10u group address lookup%s\n",
213 mrtstat.mrts_grp_lookups, plural(mrtstat.mrts_grp_lookups));
214 printf(" %10u group address cache miss%s\n",
215 mrtstat.mrts_grp_misses, plurales(mrtstat.mrts_grp_misses));
216 printf(" %10u datagram%s with no route for origin\n",
217 mrtstat.mrts_no_route, plural(mrtstat.mrts_no_route));
218 printf(" %10u datagram%s with malformed tunnel options\n",
219 mrtstat.mrts_bad_tunnel, plural(mrtstat.mrts_bad_tunnel));
220 printf(" %10u datagram%s with no room for tunnel options\n",
221 mrtstat.mrts_cant_tunnel, plural(mrtstat.mrts_cant_tunnel));
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222 printf(" %10u datagram%s arrived on the wrong interface\n",
223 mrtstat.mrts_wrong_if, plural(mrtstat.mrts_wrong_if));
c89b6165 224}