1 /*-
2 * Copyright (c) 1980, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)mbufs.c 8.1 (Berkeley) 6/6/93
30 * $FreeBSD: src/usr.bin/systat/icmp.c,v 1.2 1999/08/28 01:06:01 peter Exp $
31 * $DragonFly: src/usr.bin/systat/icmp.c,v 1.4 2003/10/04 20:36:51 hmp Exp $
32 */
33
34 #include <sys/param.h>
35 #include <sys/types.h>
36 #include <sys/socket.h>
37 #include <sys/sysctl.h>
38
39 #include <netinet/in.h>
40 #include <netinet/in_systm.h>
41 #include <netinet/ip.h>
42 #include <netinet/ip_icmp.h>
43 #include <netinet/icmp_var.h>
44
45 #include <stdlib.h>
46 #include <string.h>
47 #include <paths.h>
48 #include "systat.h"
49 #include "extern.h"
50 #include "mode.h"
51
52 static struct icmpstat icmpstat, initstat, oldstat;
53
54 /*-
55 --0 1 2 3 4 5 6 7
56 --0123456789012345678901234567890123456789012345678901234567890123456789012345
57 01 ICMP Input ICMP Output
58 02999999999 total messages 999999999 total messages
59 03999999999 with bad code 999999999 errors generated
60 04999999999 with bad length 999999999 suppressed - original too short
61 05999999999 with bad checksum 999999999 suppressed - original was ICMP
62 06999999999 with insufficient data 999999999 responses sent
63 07 999999999 suppressed - multicast echo
64 08 999999999 suppressed - multicast tstamp
65 09
66 10 Input Histogram Output Histogram
67 11999999999 echo response 999999999 echo response
68 12999999999 echo request 999999999 echo request
69 13999999999 destination unreachable 999999999 destination unreachable
70 14999999999 redirect 999999999 redirect
71 15999999999 time-to-live exceeded 999999999 time-to-line exceeded
72 16999999999 parameter problem 999999999 parameter problem
73 17999999999 router advertisement 999999999 router solicitation
74 18
75 19
76 --0123456789012345678901234567890123456789012345678901234567890123456789012345
77 --0 1 2 3 4 5 6 7
78 */
79
80 WINDOW *
openicmp(void)81 openicmp(void)
82 {
83 return (subwin(stdscr, LINES-5-1, 0, 5, 0));
84 }
85
86 void
closeicmp(WINDOW * w)87 closeicmp(WINDOW *w)
88 {
89 if (w == NULL)
90 return;
91 wclear(w);
92 wrefresh(w);
93 delwin(w);
94 }
95
96 void
labelicmp(void)97 labelicmp(void)
98 {
99 wmove(wnd, 0, 0); wclrtoeol(wnd);
100 #define L(row, str) mvwprintw(wnd, row, 10, str)
101 #define R(row, str) mvwprintw(wnd, row, 45, str);
102 L(1, "ICMP Input"); R(1, "ICMP Output");
103 L(2, "total messages"); R(2, "total messages");
104 L(3, "with bad code"); R(3, "errors generated");
105 L(4, "with bad length"); R(4, "suppressed - original too short");
106 L(5, "with bad checksum"); R(5, "suppressed - original was ICMP");
107 L(6, "with insufficient data"); R(6, "responses sent");
108 ; R(7, "suppressed - multicast echo");
109 ; R(8, "suppressed - multicast tstamp");
110 L(10, "Input Histogram"); R(10, "Output Histogram");
111 #define B(row, str) L(row, str); R(row, str)
112 B(11, "echo response");
113 B(12, "echo request");
114 B(13, "destination unreachable");
115 B(14, "redirect");
116 B(15, "time-to-live exceeded");
117 B(16, "parameter problem");
118 L(17, "router advertisement"); R(17, "router solicitation");
119 #undef L
120 #undef R
121 #undef B
122 }
123
124 static void
domode(struct icmpstat * ret)125 domode(struct icmpstat *ret)
126 {
127 const struct icmpstat *sub;
128 int i;
129 double divisor = 1.0;
130
131 switch(currentmode) {
132 case display_RATE:
133 sub = &oldstat;
134 divisor = naptime;
135 break;
136 case display_DELTA:
137 sub = &oldstat;
138 break;
139 case display_SINCE:
140 sub = &initstat;
141 break;
142 default:
143 *ret = icmpstat;
144 return;
145 }
146 #define DO(stat) ret->stat = (double)(icmpstat.stat - sub->stat) / divisor
147 DO(icps_error);
148 DO(icps_oldshort);
149 DO(icps_oldicmp);
150 for (i = 0; i <= ICMP_MAXTYPE; i++) {
151 DO(icps_outhist[i]);
152 }
153 DO(icps_badcode);
154 DO(icps_tooshort);
155 DO(icps_checksum);
156 DO(icps_badlen);
157 DO(icps_reflect);
158 for (i = 0; i <= ICMP_MAXTYPE; i++) {
159 DO(icps_inhist[i]);
160 }
161 DO(icps_bmcastecho);
162 DO(icps_bmcasttstamp);
163 #undef DO
164 }
165
166 void
showicmp(void)167 showicmp(void)
168 {
169 struct icmpstat stats;
170 u_long totalin, totalout;
171 int i;
172
173 memset(&stats, 0, sizeof stats);
174 domode(&stats);
175 for (i = totalin = totalout = 0; i <= ICMP_MAXTYPE; i++) {
176 totalin += stats.icps_inhist[i];
177 totalout += stats.icps_outhist[i];
178 }
179 totalin += stats.icps_badcode + stats.icps_badlen +
180 stats.icps_checksum + stats.icps_tooshort;
181 mvwprintw(wnd, 2, 0, "%9lu", totalin);
182 mvwprintw(wnd, 2, 35, "%9lu", totalout);
183
184 #define DO(stat, row, col) \
185 mvwprintw(wnd, row, col, "%9lu", stats.stat)
186
187 DO(icps_badcode, 3, 0);
188 DO(icps_badlen, 4, 0);
189 DO(icps_checksum, 5, 0);
190 DO(icps_tooshort, 6, 0);
191 DO(icps_error, 3, 35);
192 DO(icps_oldshort, 4, 35);
193 DO(icps_oldicmp, 5, 35);
194 DO(icps_reflect, 6, 35);
195 DO(icps_bmcastecho, 7, 35);
196 DO(icps_bmcasttstamp, 8, 35);
197 #define DO2(type, row) DO(icps_inhist[type], row, 0); DO(icps_outhist[type], \
198 row, 35)
199 DO2(ICMP_ECHOREPLY, 11);
200 DO2(ICMP_ECHO, 12);
201 DO2(ICMP_UNREACH, 13);
202 DO2(ICMP_REDIRECT, 14);
203 DO2(ICMP_TIMXCEED, 15);
204 DO2(ICMP_PARAMPROB, 16);
205 DO(icps_inhist[ICMP_ROUTERADVERT], 17, 0);
206 DO(icps_outhist[ICMP_ROUTERSOLICIT], 17, 35);
207 #undef DO
208 #undef DO2
209 }
210
211 int
initicmp(void)212 initicmp(void)
213 {
214 size_t len;
215 int name[4];
216
217 name[0] = CTL_NET;
218 name[1] = PF_INET;
219 name[2] = IPPROTO_ICMP;
220 name[3] = ICMPCTL_STATS;
221
222 len = 0;
223 if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
224 error("sysctl getting icmpstat size failed");
225 return 0;
226 }
227 if (len > sizeof icmpstat) {
228 error("icmpstat structure has grown--recompile systat!");
229 return 0;
230 }
231 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
232 error("sysctl getting icmpstat size failed");
233 return 0;
234 }
235 oldstat = initstat;
236 return 1;
237 }
238
239 void
reseticmp(void)240 reseticmp(void)
241 {
242 size_t len;
243 int name[4];
244
245 name[0] = CTL_NET;
246 name[1] = PF_INET;
247 name[2] = IPPROTO_ICMP;
248 name[3] = ICMPCTL_STATS;
249
250 len = sizeof initstat;
251 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
252 error("sysctl getting icmpstat size failed");
253 }
254 oldstat = initstat;
255 }
256
257 void
fetchicmp(void)258 fetchicmp(void)
259 {
260 int name[4];
261 size_t len;
262
263 oldstat = icmpstat;
264 name[0] = CTL_NET;
265 name[1] = PF_INET;
266 name[2] = IPPROTO_ICMP;
267 name[3] = ICMPCTL_STATS;
268 len = sizeof icmpstat;
269
270 if (sysctl(name, 4, &icmpstat, &len, 0, 0) < 0)
271 return;
272 }
273
274