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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35
| 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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35
|
37
38#ifdef lint
39static const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93";
40#endif
41
42/* From:
43 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp"
44*/
45
46#include <sys/param.h>
47#include <sys/types.h>
48#include <sys/socket.h>
49#include <sys/sysctl.h>
50
51#include <netinet/in.h>
52#include <netinet/in_systm.h>
53#include <netinet/ip.h>
54#include <netinet/ip_var.h>
55#include <netinet/udp.h>
56#include <netinet/udp_var.h>
57
58#include <stdlib.h>
59#include <string.h>
60#include <paths.h>
61
62#include "systat.h"
63#include "extern.h"
64#include "mode.h"
65
66struct stat {
67 struct ipstat i;
68 struct udpstat u;
69};
70
71static struct stat curstat, initstat, oldstat;
72
73/*-
74--0 1 2 3 4 5 6 7
75--0123456789012345678901234567890123456789012345678901234567890123456789012345
7600 IP Input IP Output
7701999999999 total packets received 999999999 total packets sent
7802999999999 - with bad checksums 999999999 - generated locally
7903999999999 - too short for header 999999999 - output drops
8004999999999 - too short for data 999999999 output fragments generated
8105999999999 - with invalid hlen 999999999 - fragmentation failed
8206999999999 - with invalid length 999999999 destinations unreachable
8307999999999 - with invalid version 999999999 packets output via raw IP
8408999999999 - jumbograms
8509999999999 total fragments received UDP Statistics
8610999999999 - fragments dropped 999999999 total input packets
8711999999999 - fragments timed out 999999999 - too short for header
8812999999999 - packets reassembled ok 999999999 - invalid checksum
8913999999999 packets forwarded 999999999 - no checksum
9014999999999 - unreachable dests 999999999 - invalid length
9115999999999 - redirects generated 999999999 - no socket for dest port
9216999999999 option errors 999999999 - no socket for broadcast
9317999999999 unwanted multicasts 999999999 - socket buffer full
9418999999999 delivered to upper layer 999999999 total output packets
95--0123456789012345678901234567890123456789012345678901234567890123456789012345
96--0 1 2 3 4 5 6 7
97*/
98
99WINDOW *
100openip(void)
101{
102 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
103}
104
105void
106closeip(w)
107 WINDOW *w;
108{
109 if (w == NULL)
110 return;
111 wclear(w);
112 wrefresh(w);
113 delwin(w);
114}
115
116void
117labelip(void)
118{
119 wmove(wnd, 0, 0); wclrtoeol(wnd);
120#define L(row, str) mvwprintw(wnd, row, 10, str)
121#define R(row, str) mvwprintw(wnd, row, 45, str);
122 L(0, "IP Input"); R(0, "IP Output");
123 L(1, "total packets received"); R(1, "total packets sent");
124 L(2, "- with bad checksums"); R(2, "- generated locally");
125 L(3, "- too short for header"); R(3, "- output drops");
126 L(4, "- too short for data"); R(4, "output fragments generated");
127 L(5, "- with invalid hlen"); R(5, "- fragmentation failed");
128 L(6, "- with invalid length"); R(6, "destinations unreachable");
129 L(7, "- with invalid version"); R(7, "packets output via raw IP");
130 L(8, "- jumbograms");
131 L(9, "total fragments received"); R(9, "UDP Statistics");
132 L(10, "- fragments dropped"); R(10, "total input packets");
133 L(11, "- fragments timed out"); R(11, "- too short for header");
134 L(12, "- packets reassembled ok"); R(12, "- invalid checksum");
135 L(13, "packets forwarded"); R(13, "- no checksum");
136 L(14, "- unreachable dests"); R(14, "- invalid length");
137 L(15, "- redirects generated"); R(15, "- no socket for dest port");
138 L(16, "option errors"); R(16, "- no socket for broadcast");
139 L(17, "unwanted multicasts"); R(17, "- socket buffer full");
140 L(18, "delivered to upper layer"); R(18, "total output packets");
141#undef L
142#undef R
143}
144
145static void
146domode(struct stat *ret)
147{
148 const struct stat *sub;
149 int divisor = 1;
150
151 switch(currentmode) {
152 case display_RATE:
153 sub = &oldstat;
154 divisor = naptime;
155 break;
156 case display_DELTA:
157 sub = &oldstat;
158 break;
159 case display_SINCE:
160 sub = &initstat;
161 break;
162 default:
163 *ret = curstat;
164 return;
165 }
166#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
167 DO(i.ips_total);
168 DO(i.ips_badsum);
169 DO(i.ips_tooshort);
170 DO(i.ips_toosmall);
171 DO(i.ips_badhlen);
172 DO(i.ips_badlen);
173 DO(i.ips_fragments);
174 DO(i.ips_fragdropped);
175 DO(i.ips_fragtimeout);
176 DO(i.ips_forward);
177 DO(i.ips_cantforward);
178 DO(i.ips_redirectsent);
179 DO(i.ips_noproto);
180 DO(i.ips_delivered);
181 DO(i.ips_localout);
182 DO(i.ips_odropped);
183 DO(i.ips_reassembled);
184 DO(i.ips_fragmented);
185 DO(i.ips_ofragments);
186 DO(i.ips_cantfrag);
187 DO(i.ips_badoptions);
188 DO(i.ips_noroute);
189 DO(i.ips_badvers);
190 DO(i.ips_rawout);
191 DO(i.ips_toolong);
192 DO(i.ips_notmember);
193 DO(u.udps_ipackets);
194 DO(u.udps_hdrops);
195 DO(u.udps_badsum);
196 DO(u.udps_nosum);
197 DO(u.udps_badlen);
198 DO(u.udps_noport);
199 DO(u.udps_noportbcast);
200 DO(u.udps_fullsock);
201 DO(u.udps_opackets);
202#undef DO
203}
| 37
38#ifdef lint
39static const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93";
40#endif
41
42/* From:
43 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp"
44*/
45
46#include <sys/param.h>
47#include <sys/types.h>
48#include <sys/socket.h>
49#include <sys/sysctl.h>
50
51#include <netinet/in.h>
52#include <netinet/in_systm.h>
53#include <netinet/ip.h>
54#include <netinet/ip_var.h>
55#include <netinet/udp.h>
56#include <netinet/udp_var.h>
57
58#include <stdlib.h>
59#include <string.h>
60#include <paths.h>
61
62#include "systat.h"
63#include "extern.h"
64#include "mode.h"
65
66struct stat {
67 struct ipstat i;
68 struct udpstat u;
69};
70
71static struct stat curstat, initstat, oldstat;
72
73/*-
74--0 1 2 3 4 5 6 7
75--0123456789012345678901234567890123456789012345678901234567890123456789012345
7600 IP Input IP Output
7701999999999 total packets received 999999999 total packets sent
7802999999999 - with bad checksums 999999999 - generated locally
7903999999999 - too short for header 999999999 - output drops
8004999999999 - too short for data 999999999 output fragments generated
8105999999999 - with invalid hlen 999999999 - fragmentation failed
8206999999999 - with invalid length 999999999 destinations unreachable
8307999999999 - with invalid version 999999999 packets output via raw IP
8408999999999 - jumbograms
8509999999999 total fragments received UDP Statistics
8610999999999 - fragments dropped 999999999 total input packets
8711999999999 - fragments timed out 999999999 - too short for header
8812999999999 - packets reassembled ok 999999999 - invalid checksum
8913999999999 packets forwarded 999999999 - no checksum
9014999999999 - unreachable dests 999999999 - invalid length
9115999999999 - redirects generated 999999999 - no socket for dest port
9216999999999 option errors 999999999 - no socket for broadcast
9317999999999 unwanted multicasts 999999999 - socket buffer full
9418999999999 delivered to upper layer 999999999 total output packets
95--0123456789012345678901234567890123456789012345678901234567890123456789012345
96--0 1 2 3 4 5 6 7
97*/
98
99WINDOW *
100openip(void)
101{
102 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
103}
104
105void
106closeip(w)
107 WINDOW *w;
108{
109 if (w == NULL)
110 return;
111 wclear(w);
112 wrefresh(w);
113 delwin(w);
114}
115
116void
117labelip(void)
118{
119 wmove(wnd, 0, 0); wclrtoeol(wnd);
120#define L(row, str) mvwprintw(wnd, row, 10, str)
121#define R(row, str) mvwprintw(wnd, row, 45, str);
122 L(0, "IP Input"); R(0, "IP Output");
123 L(1, "total packets received"); R(1, "total packets sent");
124 L(2, "- with bad checksums"); R(2, "- generated locally");
125 L(3, "- too short for header"); R(3, "- output drops");
126 L(4, "- too short for data"); R(4, "output fragments generated");
127 L(5, "- with invalid hlen"); R(5, "- fragmentation failed");
128 L(6, "- with invalid length"); R(6, "destinations unreachable");
129 L(7, "- with invalid version"); R(7, "packets output via raw IP");
130 L(8, "- jumbograms");
131 L(9, "total fragments received"); R(9, "UDP Statistics");
132 L(10, "- fragments dropped"); R(10, "total input packets");
133 L(11, "- fragments timed out"); R(11, "- too short for header");
134 L(12, "- packets reassembled ok"); R(12, "- invalid checksum");
135 L(13, "packets forwarded"); R(13, "- no checksum");
136 L(14, "- unreachable dests"); R(14, "- invalid length");
137 L(15, "- redirects generated"); R(15, "- no socket for dest port");
138 L(16, "option errors"); R(16, "- no socket for broadcast");
139 L(17, "unwanted multicasts"); R(17, "- socket buffer full");
140 L(18, "delivered to upper layer"); R(18, "total output packets");
141#undef L
142#undef R
143}
144
145static void
146domode(struct stat *ret)
147{
148 const struct stat *sub;
149 int divisor = 1;
150
151 switch(currentmode) {
152 case display_RATE:
153 sub = &oldstat;
154 divisor = naptime;
155 break;
156 case display_DELTA:
157 sub = &oldstat;
158 break;
159 case display_SINCE:
160 sub = &initstat;
161 break;
162 default:
163 *ret = curstat;
164 return;
165 }
166#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
167 DO(i.ips_total);
168 DO(i.ips_badsum);
169 DO(i.ips_tooshort);
170 DO(i.ips_toosmall);
171 DO(i.ips_badhlen);
172 DO(i.ips_badlen);
173 DO(i.ips_fragments);
174 DO(i.ips_fragdropped);
175 DO(i.ips_fragtimeout);
176 DO(i.ips_forward);
177 DO(i.ips_cantforward);
178 DO(i.ips_redirectsent);
179 DO(i.ips_noproto);
180 DO(i.ips_delivered);
181 DO(i.ips_localout);
182 DO(i.ips_odropped);
183 DO(i.ips_reassembled);
184 DO(i.ips_fragmented);
185 DO(i.ips_ofragments);
186 DO(i.ips_cantfrag);
187 DO(i.ips_badoptions);
188 DO(i.ips_noroute);
189 DO(i.ips_badvers);
190 DO(i.ips_rawout);
191 DO(i.ips_toolong);
192 DO(i.ips_notmember);
193 DO(u.udps_ipackets);
194 DO(u.udps_hdrops);
195 DO(u.udps_badsum);
196 DO(u.udps_nosum);
197 DO(u.udps_badlen);
198 DO(u.udps_noport);
199 DO(u.udps_noportbcast);
200 DO(u.udps_fullsock);
201 DO(u.udps_opackets);
202#undef DO
203}
|
205void
206showip(void)
207{
208 struct stat stats;
209 u_long totalout;
210
211 domode(&stats);
212 totalout = stats.i.ips_forward + stats.i.ips_localout;
213
214#define DO(stat, row, col) \
215 mvwprintw(wnd, row, col, "%9lu", stats.stat)
216
217 DO(i.ips_total, 1, 0);
218 mvwprintw(wnd, 1, 35, "%9lu", totalout);
219 DO(i.ips_badsum, 2, 0);
220 DO(i.ips_localout, 2, 35);
221 DO(i.ips_tooshort, 3, 0);
222 DO(i.ips_odropped, 3, 35);
223 DO(i.ips_toosmall, 4, 0);
224 DO(i.ips_ofragments, 4, 35);
225 DO(i.ips_badhlen, 5, 0);
226 DO(i.ips_cantfrag, 5, 35);
227 DO(i.ips_badlen, 6, 0);
228 DO(i.ips_noroute, 6, 35);
229 DO(i.ips_badvers, 7, 0);
230 DO(i.ips_rawout, 7, 35);
231 DO(i.ips_toolong, 8, 0);
232 DO(i.ips_fragments, 9, 0);
233 DO(i.ips_fragdropped, 10, 0);
234 DO(u.udps_ipackets, 10, 35);
235 DO(i.ips_fragtimeout, 11, 0);
236 DO(u.udps_hdrops, 11, 35);
237 DO(i.ips_reassembled, 12, 0);
238 DO(u.udps_badsum, 12, 35);
239 DO(i.ips_forward, 13, 0);
240 DO(u.udps_nosum, 13, 35);
241 DO(i.ips_cantforward, 14, 0);
242 DO(u.udps_badlen, 14, 35);
243 DO(i.ips_redirectsent, 15, 0);
244 DO(u.udps_noport, 15, 35);
245 DO(i.ips_badoptions, 16, 0);
246 DO(u.udps_noportbcast, 16, 35);
247 DO(i.ips_notmember, 17, 0);
248 DO(u.udps_fullsock, 17, 35);
249 DO(i.ips_delivered, 18, 0);
250 DO(u.udps_opackets, 18, 35);
251#undef DO
252}
253
254int
255initip(void)
256{
257 size_t len;
258 int name[4];
259
260 name[0] = CTL_NET;
261 name[1] = PF_INET;
262 name[2] = IPPROTO_IP;
263 name[3] = IPCTL_STATS;
264
265 len = 0;
266 if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
267 error("sysctl getting ipstat size failed");
268 return 0;
269 }
270 if (len > sizeof curstat.i) {
271 error("ipstat structure has grown--recompile systat!");
272 return 0;
273 }
274 if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) {
275 error("sysctl getting ipstat failed");
276 return 0;
277 }
278 name[2] = IPPROTO_UDP;
279 name[3] = UDPCTL_STATS;
280
281 len = 0;
282 if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
283 error("sysctl getting udpstat size failed");
284 return 0;
285 }
286 if (len > sizeof curstat.u) {
287 error("ipstat structure has grown--recompile systat!");
288 return 0;
289 }
290 if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) {
291 error("sysctl getting udpstat failed");
292 return 0;
293 }
294 oldstat = initstat;
295 return 1;
296}
297
298void
299resetip(void)
300{
301 size_t len;
302 int name[4];
303
304 name[0] = CTL_NET;
305 name[1] = PF_INET;
306 name[2] = IPPROTO_IP;
307 name[3] = IPCTL_STATS;
308
309 len = sizeof initstat.i;
310 if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) {
311 error("sysctl getting ipstat failed");
312 }
313 name[2] = IPPROTO_UDP;
314 name[3] = UDPCTL_STATS;
315
316 len = sizeof initstat.u;
317 if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) {
318 error("sysctl getting udpstat failed");
319 }
320 oldstat = initstat;
321}
322
323void
324fetchip(void)
325{
326 int name[4];
327 size_t len;
328
329 oldstat = curstat;
330 name[0] = CTL_NET;
331 name[1] = PF_INET;
332 name[2] = IPPROTO_IP;
333 name[3] = IPCTL_STATS;
334 len = sizeof curstat.i;
335
336 if (sysctl(name, 4, &curstat.i, &len, 0, 0) < 0)
337 return;
338 name[2] = IPPROTO_UDP;
339 name[3] = UDPCTL_STATS;
340 len = sizeof curstat.u;
341
342 if (sysctl(name, 4, &curstat.u, &len, 0, 0) < 0)
343 return;
344}
345
| 205void
206showip(void)
207{
208 struct stat stats;
209 u_long totalout;
210
211 domode(&stats);
212 totalout = stats.i.ips_forward + stats.i.ips_localout;
213
214#define DO(stat, row, col) \
215 mvwprintw(wnd, row, col, "%9lu", stats.stat)
216
217 DO(i.ips_total, 1, 0);
218 mvwprintw(wnd, 1, 35, "%9lu", totalout);
219 DO(i.ips_badsum, 2, 0);
220 DO(i.ips_localout, 2, 35);
221 DO(i.ips_tooshort, 3, 0);
222 DO(i.ips_odropped, 3, 35);
223 DO(i.ips_toosmall, 4, 0);
224 DO(i.ips_ofragments, 4, 35);
225 DO(i.ips_badhlen, 5, 0);
226 DO(i.ips_cantfrag, 5, 35);
227 DO(i.ips_badlen, 6, 0);
228 DO(i.ips_noroute, 6, 35);
229 DO(i.ips_badvers, 7, 0);
230 DO(i.ips_rawout, 7, 35);
231 DO(i.ips_toolong, 8, 0);
232 DO(i.ips_fragments, 9, 0);
233 DO(i.ips_fragdropped, 10, 0);
234 DO(u.udps_ipackets, 10, 35);
235 DO(i.ips_fragtimeout, 11, 0);
236 DO(u.udps_hdrops, 11, 35);
237 DO(i.ips_reassembled, 12, 0);
238 DO(u.udps_badsum, 12, 35);
239 DO(i.ips_forward, 13, 0);
240 DO(u.udps_nosum, 13, 35);
241 DO(i.ips_cantforward, 14, 0);
242 DO(u.udps_badlen, 14, 35);
243 DO(i.ips_redirectsent, 15, 0);
244 DO(u.udps_noport, 15, 35);
245 DO(i.ips_badoptions, 16, 0);
246 DO(u.udps_noportbcast, 16, 35);
247 DO(i.ips_notmember, 17, 0);
248 DO(u.udps_fullsock, 17, 35);
249 DO(i.ips_delivered, 18, 0);
250 DO(u.udps_opackets, 18, 35);
251#undef DO
252}
253
254int
255initip(void)
256{
257 size_t len;
258 int name[4];
259
260 name[0] = CTL_NET;
261 name[1] = PF_INET;
262 name[2] = IPPROTO_IP;
263 name[3] = IPCTL_STATS;
264
265 len = 0;
266 if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
267 error("sysctl getting ipstat size failed");
268 return 0;
269 }
270 if (len > sizeof curstat.i) {
271 error("ipstat structure has grown--recompile systat!");
272 return 0;
273 }
274 if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) {
275 error("sysctl getting ipstat failed");
276 return 0;
277 }
278 name[2] = IPPROTO_UDP;
279 name[3] = UDPCTL_STATS;
280
281 len = 0;
282 if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
283 error("sysctl getting udpstat size failed");
284 return 0;
285 }
286 if (len > sizeof curstat.u) {
287 error("ipstat structure has grown--recompile systat!");
288 return 0;
289 }
290 if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) {
291 error("sysctl getting udpstat failed");
292 return 0;
293 }
294 oldstat = initstat;
295 return 1;
296}
297
298void
299resetip(void)
300{
301 size_t len;
302 int name[4];
303
304 name[0] = CTL_NET;
305 name[1] = PF_INET;
306 name[2] = IPPROTO_IP;
307 name[3] = IPCTL_STATS;
308
309 len = sizeof initstat.i;
310 if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) {
311 error("sysctl getting ipstat failed");
312 }
313 name[2] = IPPROTO_UDP;
314 name[3] = UDPCTL_STATS;
315
316 len = sizeof initstat.u;
317 if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) {
318 error("sysctl getting udpstat failed");
319 }
320 oldstat = initstat;
321}
322
323void
324fetchip(void)
325{
326 int name[4];
327 size_t len;
328
329 oldstat = curstat;
330 name[0] = CTL_NET;
331 name[1] = PF_INET;
332 name[2] = IPPROTO_IP;
333 name[3] = IPCTL_STATS;
334 len = sizeof curstat.i;
335
336 if (sysctl(name, 4, &curstat.i, &len, 0, 0) < 0)
337 return;
338 name[2] = IPPROTO_UDP;
339 name[3] = UDPCTL_STATS;
340 len = sizeof curstat.u;
341
342 if (sysctl(name, 4, &curstat.u, &len, 0, 0) < 0)
343 return;
344}
345
|