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