2 * print serial line IP statistics:
3 * slstat [-i interval] [-v] [interface]
5 * Copyright (c) 1989, 1990, 1991, 1992 Regents of the University of
6 * California. All rights reserved.
8 * Redistribution and use in source and binary forms are permitted
9 * provided that the above copyright notice and this paragraph are
10 * duplicated in all such forms and that any documentation,
11 * advertising materials, and other materials related to such
12 * distribution and use acknowledge that the software was developed
13 * by the University of California, Berkeley. The name of the
14 * University may not be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 * Van Jacobson (van@ee.lbl.gov), Dec 31, 1989:
21 * - Initial distribution.
23 * $FreeBSD: src/usr.sbin/slstat/slstat.c,v 1.14 1999/08/28 01:20:00 peter Exp $
24 * $DragonFly: src/usr.sbin/slstat/slstat.c,v 1.5 2004/03/20 17:46:48 cpressey Exp $
27 #define _KERNEL_STRUCTURES
28 #include <sys/param.h>
30 #include <sys/socket.h>
31 #include <sys/sysctl.h>
44 #include <net/if_var.h>
45 #include <net/if_mib.h>
46 #include <net/if_types.h>
47 #include <netinet/in.h>
48 #include <netinet/in_systm.h>
49 #include <netinet/ip.h>
50 #include <net/slcompress.h>
51 #include <net/sl/if_slvar.h>
53 static void usage(void);
54 static void intpr(void);
55 static void catchalarm(int);
57 #define INTERFACE_PREFIX "sl%d"
59 char interface[IFNAMSIZ];
63 unsigned interval = 5;
68 main(int argc, char **argv)
74 struct ifmibdata ifmd;
76 while ((c = getopt(argc, argv, "vri:")) != -1) {
85 interval = atoi(optarg);
94 sprintf(interface, INTERFACE_PREFIX, unit);
95 else if (isdigit(argv[optind][0])) {
96 unit = atoi(argv[optind]);
99 sprintf(interface, INTERFACE_PREFIX, unit);
100 } else if (strncmp(argv[optind], "sl", 2) == 0
101 && isdigit(argv[optind][2])
102 && sscanf(argv[optind], "sl%d", &unit) == 1) {
103 strncpy(interface, argv[optind], IFNAMSIZ);
109 name[2] = NETLINK_GENERIC;
110 name[3] = IFMIB_SYSTEM;
111 name[4] = IFMIB_IFCOUNT;
112 len = sizeof maxifno;
113 if (sysctl(name, 5, &maxifno, &len, 0, 0) < 0)
114 err(1, "sysctl net.link.generic.system.ifcount");
116 name[3] = IFMIB_IFDATA;
117 name[5] = IFDATA_GENERAL;
122 if (sysctl(name, 6, &ifmd, &len, 0, 0) < 0)
124 if (strncmp(interface, ifmd.ifmd_name, IFNAMSIZ) == 0
125 && ifmd.ifmd_data.ifi_type == IFT_SLIP) {
130 errx(1, "interface %s does not exist", interface);
134 name[5] = IFDATA_LINKSPECIFIC;
139 #define V(offset) ((line % 20)? ((sc->offset - osc->offset) / \
140 (rflag ? interval : 1)) : sc->offset)
141 #define AMT (sizeof(*sc) - 2 * sizeof(sc->sc_comp.tstate))
146 fprintf(stderr, "usage: slstat [-i interval] [-vr] [unit]\n");
150 u_char signalled; /* set if alarm goes off "early" */
153 * Print a running summary of interface statistics.
154 * Repeat display every interval seconds, showing statistics
155 * collected over that interval. Assumes that interval is non-zero.
156 * First line printed at top of screen is always cumulative.
163 struct sl_softc *sc, *osc;
166 sc = (struct sl_softc *)malloc(AMT);
167 osc = (struct sl_softc *)malloc(AMT);
168 bzero((char *)osc, AMT);
172 if (sysctl(name, 6, sc, &len, 0, 0) < 0 &&
173 (errno != ENOMEM || len != AMT))
174 err(1, "sysctl linkspecific");
176 signal(SIGALRM, catchalarm);
180 if ((line % 20) == 0) {
181 printf("%8.8s %6.6s %6.6s %6.6s %6.6s",
182 "in", "pack", "comp", "uncomp", "unknwn");
184 printf(" %6.6s %6.6s %6.6s",
185 "toss", "other", "err");
186 printf(" | %8.8s %6.6s %6.6s %6.6s %6.6s",
187 "out", "pack", "comp", "uncomp", "other");
189 printf(" %6.6s %6.6s %6.6s %6.6s",
190 "search", "miss", "err", "coll");
193 printf("%8lu %6ld %6u %6u %6u",
195 V(sc_if.if_ipackets),
196 V(sc_comp.sls_compressedin),
197 V(sc_comp.sls_uncompressedin),
198 V(sc_comp.sls_errorin));
200 printf(" %6u %6lu %6lu",
201 V(sc_comp.sls_tossed),
202 V(sc_if.if_ipackets) -
203 V(sc_comp.sls_compressedin) -
204 V(sc_comp.sls_uncompressedin) -
205 V(sc_comp.sls_errorin),
206 V(sc_if.if_ierrors));
207 printf(" | %8lu %6ld %6u %6u %6lu",
208 V(sc_if.if_obytes) / (rflag ? interval : 1),
209 V(sc_if.if_opackets),
210 V(sc_comp.sls_compressed),
211 V(sc_comp.sls_packets) - V(sc_comp.sls_compressed),
212 V(sc_if.if_opackets) - V(sc_comp.sls_packets));
214 printf(" %6u %6u %6lu %6lu",
215 V(sc_comp.sls_searches),
216 V(sc_comp.sls_misses),
218 V(sc_if.if_collisions));
222 oldmask = sigblock(sigmask(SIGALRM));
229 bcopy((char *)sc, (char *)osc, AMT);
234 * Called if an interval expires before sidewaysintpr has completed a loop.
235 * Sets a flag to not wait for the alarm.