Commit | Line | Data |
---|---|---|
06131096 JH |
1 | /* |
2 | * Print DVMRP multicast routing structures and statistics. | |
3 | * | |
4 | * MROUTING 1.0 | |
5 | */ | |
6 | ||
7 | #include <stdio.h> | |
8 | #include <sys/param.h> | |
9 | #include <sys/mbuf.h> | |
10 | #include <netinet/in.h> | |
11 | #include <netinet/igmp.h> | |
12 | #define KERNEL 1 | |
136e01b9 | 13 | #include <sys/socketvar.h> |
06131096 JH |
14 | #include <netinet/ip_mroute.h> |
15 | #undef KERNEL | |
16 | ||
17 | extern int kmem; | |
18 | extern int nflag; | |
19 | extern char *routename(); | |
20 | extern char *netname(); | |
21 | extern char *plural(); | |
22 | ||
23 | char *plurales(n) | |
24 | int n; | |
25 | { | |
26 | return (n == 1? "" : "es"); | |
27 | } | |
28 | ||
29 | mroutepr(mrpaddr, mrtaddr, vifaddr) | |
30 | off_t mrpaddr, mrtaddr, vifaddr; | |
31 | { | |
32 | u_int mrtproto; | |
33 | #if BSD >= 199006 | |
34 | struct mrt *mrttable[MRTHASHSIZ]; | |
35 | struct mrt *mp; | |
36 | struct mrt mb; | |
37 | struct mrt *mrt = &mb; | |
38 | #else | |
39 | struct mbuf *mrttable[MRTHASHSIZ]; | |
40 | struct mbuf *mp; | |
41 | struct mbuf mb; | |
42 | struct mrt *mrt = mtod(&mb, struct mrt *); | |
43 | #endif | |
44 | struct vif viftable[MAXVIFS]; | |
45 | register struct vif *v; | |
46 | register vifi_t vifi; | |
47 | struct in_addr *grp; | |
48 | int i, n; | |
49 | int banner_printed; | |
50 | int saved_nflag; | |
51 | ||
52 | if(mrpaddr == 0) { | |
53 | printf("ip_mrtproto: symbol not in namelist\n"); | |
54 | return; | |
55 | } | |
56 | ||
57 | kvm_read(mrpaddr, (char *)&mrtproto, sizeof(mrtproto)); | |
58 | switch (mrtproto) { | |
59 | case 0: | |
60 | printf("no multicast routing compiled into this system\n"); | |
61 | return; | |
62 | ||
63 | case IGMP_DVMRP: | |
64 | break; | |
65 | ||
66 | default: | |
67 | printf("multicast routing protocol %u, unknown\n", mrtproto); | |
68 | return; | |
69 | } | |
70 | ||
71 | if (mrtaddr == 0) { | |
72 | printf("mrttable: symbol not in namelist\n"); | |
73 | return; | |
74 | } | |
75 | if (vifaddr == 0) { | |
76 | printf("viftable: symbol not in namelist\n"); | |
77 | return; | |
78 | } | |
79 | ||
80 | saved_nflag = nflag; | |
81 | nflag = 1; | |
82 | ||
83 | kvm_read(vifaddr, (char *)viftable, sizeof(viftable)); | |
84 | banner_printed = 0; | |
85 | for (vifi = 0, v = viftable; vifi < MAXVIFS; ++vifi, ++v) { | |
86 | struct in_addr v_lcl_grps[1024]; | |
87 | ||
88 | if (v->v_lcl_addr.s_addr == 0) continue; | |
89 | ||
90 | if (!banner_printed) { | |
91 | printf("\nVirtual Interface Table\n%s%s", | |
92 | " Vif Threshold Local-Address ", | |
93 | "Remote-Address Groups\n"); | |
94 | banner_printed = 1; | |
95 | } | |
96 | ||
97 | printf(" %2u %3u %-15.15s", | |
98 | vifi, v->v_threshold, routename(v->v_lcl_addr)); | |
99 | printf(" %-15.15s\n", | |
100 | (v->v_flags & VIFF_TUNNEL) ? | |
101 | routename(v->v_rmt_addr) : ""); | |
102 | ||
103 | n = v->v_lcl_grps_n; | |
104 | if (n == 0) | |
105 | continue; | |
106 | if (n < 0 || n > 1024) | |
107 | printf("[v_lcl_grps_n = %d!]\n", n); | |
108 | ||
109 | kvm_read(v->v_lcl_grps, (char *)v_lcl_grps, | |
110 | n * sizeof(struct in_addr)); | |
111 | for (i = 0; i < n; ++i) | |
112 | printf("%51s %-15.15s\n", "", | |
113 | routename(v_lcl_grps[i])); | |
114 | } | |
115 | if (!banner_printed) printf("\nVirtual Interface Table is empty\n"); | |
116 | ||
117 | kvm_read(mrtaddr, (char *)mrttable, sizeof(mrttable)); | |
118 | banner_printed = 0; | |
119 | for (i = 0; i < MRTHASHSIZ; ++i) { | |
120 | for (mp = mrttable[i]; mp != NULL; | |
121 | #if BSD >= 199006 | |
122 | mp = mb.mrt_next | |
123 | #else | |
124 | mp = mb.m_next | |
125 | #endif | |
126 | ) { | |
127 | ||
128 | if (!banner_printed) { | |
129 | printf("\nMulticast Routing Table\n%s", | |
130 | " Hash Origin-Subnet In-Vif Out-Vifs\n"); | |
131 | banner_printed = 1; | |
132 | } | |
133 | kvm_read(mp, (char *)&mb, sizeof(mb)); | |
134 | ||
135 | ||
136 | printf(" %3u %-15.15s %2u ", | |
137 | i, | |
138 | netname(mrt->mrt_origin.s_addr, | |
139 | ntohl(mrt->mrt_originmask.s_addr)), | |
140 | mrt->mrt_parent); | |
141 | for (vifi = 0; vifi < MAXVIFS; ++vifi) { | |
142 | if (viftable[vifi].v_lcl_addr.s_addr) { | |
143 | if (VIFM_ISSET(vifi, mrt->mrt_children)) { | |
144 | printf(" %u%c", | |
145 | vifi, | |
146 | VIFM_ISSET(vifi, | |
147 | mrt->mrt_leaves) ? | |
148 | '*' : ' '); | |
149 | } else | |
150 | printf(" "); | |
151 | } | |
152 | } | |
153 | printf("\n"); | |
154 | } | |
155 | } | |
156 | if (!banner_printed) printf("\nMulticast Routing Table is empty\n"); | |
157 | ||
158 | printf("\n"); | |
159 | nflag = saved_nflag; | |
160 | } | |
161 | ||
162 | ||
163 | mrt_stats(mrpaddr, mstaddr) | |
164 | off_t mrpaddr, mstaddr; | |
165 | { | |
166 | u_int mrtproto; | |
167 | struct mrtstat mrtstat; | |
168 | ||
169 | if(mrpaddr == 0) { | |
170 | printf("ip_mrtproto: symbol not in namelist\n"); | |
171 | return; | |
172 | } | |
173 | ||
174 | kvm_read(mrpaddr, (char *)&mrtproto, sizeof(mrtproto)); | |
175 | switch (mrtproto) { | |
176 | case 0: | |
177 | printf("no multicast routing compiled into this system\n"); | |
178 | return; | |
179 | ||
180 | case IGMP_DVMRP: | |
181 | break; | |
182 | ||
183 | default: | |
184 | printf("multicast routing protocol %u, unknown\n", mrtproto); | |
185 | return; | |
186 | } | |
187 | ||
188 | if (mstaddr == 0) { | |
189 | printf("mrtstat: symbol not in namelist\n"); | |
190 | return; | |
191 | } | |
192 | ||
193 | kvm_read(mstaddr, (char *)&mrtstat, sizeof(mrtstat)); | |
194 | printf("multicast routing:\n"); | |
195 | printf(" %10u multicast route lookup%s\n", | |
196 | mrtstat.mrts_mrt_lookups, plural(mrtstat.mrts_mrt_lookups)); | |
197 | printf(" %10u multicast route cache miss%s\n", | |
198 | mrtstat.mrts_mrt_misses, plurales(mrtstat.mrts_mrt_misses)); | |
199 | printf(" %10u group address lookup%s\n", | |
200 | mrtstat.mrts_grp_lookups, plural(mrtstat.mrts_grp_lookups)); | |
201 | printf(" %10u group address cache miss%s\n", | |
202 | mrtstat.mrts_grp_misses, plurales(mrtstat.mrts_grp_misses)); | |
203 | printf(" %10u datagram%s with no route for origin\n", | |
204 | mrtstat.mrts_no_route, plural(mrtstat.mrts_no_route)); | |
205 | printf(" %10u datagram%s with malformed tunnel options\n", | |
206 | mrtstat.mrts_bad_tunnel, plural(mrtstat.mrts_bad_tunnel)); | |
207 | printf(" %10u datagram%s with no room for tunnel options\n", | |
208 | mrtstat.mrts_cant_tunnel, plural(mrtstat.mrts_cant_tunnel)); | |
209 | printf(" %10u datagram%s arrived on wrong interface\n", | |
210 | mrtstat.mrts_wrong_if, plural(mrtstat.mrts_wrong_if)); | |
211 | } |