323 lines
7.1 KiB
C
323 lines
7.1 KiB
C
/*
|
|
* print serial line IP statistics:
|
|
* slstat [-i interval] [-v] [interface] [system] [core]
|
|
*
|
|
* Copyright (c) 1989, 1990, 1991, 1992 Regents of the University of
|
|
* California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms are permitted
|
|
* provided that the above copyright notice and this paragraph are
|
|
* duplicated in all such forms and that any documentation,
|
|
* advertising materials, and other materials related to such
|
|
* distribution and use acknowledge that the software was developed
|
|
* by the University of California, Berkeley. The name of the
|
|
* University may not be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* Van Jacobson (van@ee.lbl.gov), Dec 31, 1989:
|
|
* - Initial distribution.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char rcsid[] = "$Id: slstat.c,v 1.4 1995/05/30 03:52:30 rgrimes Exp $";
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <paths.h>
|
|
#include <nlist.h>
|
|
#include <kvm.h>
|
|
|
|
#define INET
|
|
|
|
#include <limits.h>
|
|
#include <sys/param.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/sockio.h>
|
|
#include <sys/file.h>
|
|
#include <errno.h>
|
|
#include <signal.h>
|
|
#include <net/if.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/in_systm.h>
|
|
#include <netinet/ip.h>
|
|
#include <netinet/ip_var.h>
|
|
|
|
#include <net/slcompress.h>
|
|
#include <net/if_slvar.h>
|
|
|
|
struct nlist nl[] = {
|
|
#define N_SOFTC 0
|
|
{ "_sl_softc" },
|
|
{ 0 }
|
|
};
|
|
|
|
#define INTERFACE_PREFIX "sl%d"
|
|
char interface[IFNAMSIZ];
|
|
|
|
const char *system = NULL;
|
|
char *kmemf = NULL;
|
|
|
|
kvm_t *kvm_h;
|
|
int kflag;
|
|
int rflag;
|
|
int vflag;
|
|
unsigned interval = 5;
|
|
int unit;
|
|
|
|
extern char *malloc();
|
|
extern off_t lseek();
|
|
|
|
main(argc, argv)
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
int c;
|
|
char errbuf[_POSIX2_LINE_MAX];
|
|
|
|
system = getbootfile();
|
|
|
|
--argc; ++argv;
|
|
while (argc > 0) {
|
|
if (strcmp(argv[0], "-v") == 0) {
|
|
++vflag;
|
|
++argv, --argc;
|
|
continue;
|
|
}
|
|
if (strcmp(argv[0], "-r") == 0) {
|
|
++rflag;
|
|
++argv, --argc;
|
|
continue;
|
|
}
|
|
if (strcmp(argv[0], "-i") == 0 && argv[1] &&
|
|
isdigit(argv[1][0])) {
|
|
interval = atoi(argv[1]);
|
|
if (interval <= 0)
|
|
usage();
|
|
++argv, --argc;
|
|
++argv, --argc;
|
|
continue;
|
|
}
|
|
if (isdigit(argv[0][0])) {
|
|
int s;
|
|
struct ifreq ifr;
|
|
|
|
unit = atoi(argv[0]);
|
|
if (unit < 0)
|
|
usage();
|
|
sprintf(interface, INTERFACE_PREFIX, unit);
|
|
s = socket(AF_INET, SOCK_DGRAM, 0);
|
|
if (s < 0)
|
|
err(1, "creating socket");
|
|
strcpy(ifr.ifr_name, interface);
|
|
if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0)
|
|
errx(1,
|
|
"unable to confirm existence of interface '%s'",
|
|
interface);
|
|
++argv, --argc;
|
|
continue;
|
|
}
|
|
if (kflag)
|
|
usage();
|
|
|
|
system = *argv;
|
|
++argv, --argc;
|
|
if (argc > 0) {
|
|
kmemf = *argv++;
|
|
--argc;
|
|
kflag++;
|
|
}
|
|
}
|
|
/*
|
|
* Discard setgid privileges if not the running kernel so that bad
|
|
* guys can't print interesting stuff from kernel memory.
|
|
*/
|
|
if (system != NULL || kmemf != NULL)
|
|
setgid(getgid());
|
|
|
|
kvm_h = kvm_openfiles(system, kmemf, NULL, O_RDONLY, errbuf);
|
|
if (kvm_h == 0) {
|
|
(void)fprintf(stderr,
|
|
"slstat: kvm_openfiles(%s,%s,0): %s\n",
|
|
system, kmemf, errbuf);
|
|
exit(1);
|
|
}
|
|
if ((c = kvm_nlist(kvm_h, nl)) != 0) {
|
|
if (c > 0) {
|
|
(void)fprintf(stderr,
|
|
"slstat: undefined symbols in %s:", system);
|
|
for (c = 0; c < sizeof(nl)/sizeof(nl[0]); c++)
|
|
if (nl[c].n_type == 0)
|
|
fprintf(stderr, " %s", nl[c].n_name);
|
|
(void)fputc('\n', stderr);
|
|
} else
|
|
(void)fprintf(stderr, "slstat: kvm_nlist: %s\n",
|
|
kvm_geterr(kvm_h));
|
|
exit(1);
|
|
}
|
|
intpr();
|
|
exit(0);
|
|
}
|
|
|
|
#define V(offset) ((line % 20)? ((sc->offset - osc->offset) / \
|
|
(rflag ? interval : 1)) : sc->offset)
|
|
#define AMT (sizeof(*sc) - 2 * sizeof(sc->sc_comp.tstate))
|
|
|
|
usage()
|
|
{
|
|
static char umsg[] =
|
|
"usage: slstat [-i interval] [-v] [unit] [system] [core]\n";
|
|
|
|
fprintf(stderr, umsg);
|
|
exit(1);
|
|
}
|
|
|
|
u_char signalled; /* set if alarm goes off "early" */
|
|
|
|
/*
|
|
* Print a running summary of interface statistics.
|
|
* Repeat display every interval seconds, showing statistics
|
|
* collected over that interval. Assumes that interval is non-zero.
|
|
* First line printed at top of screen is always cumulative.
|
|
*/
|
|
intpr()
|
|
{
|
|
register int line = 0;
|
|
int oldmask;
|
|
void catchalarm();
|
|
struct sl_softc *sc, *osc;
|
|
off_t addr;
|
|
|
|
addr = nl[N_SOFTC].n_value + unit * sizeof(struct sl_softc);
|
|
sc = (struct sl_softc *)malloc(AMT);
|
|
osc = (struct sl_softc *)malloc(AMT);
|
|
bzero((char *)osc, AMT);
|
|
|
|
while (1) {
|
|
if (kvm_read(kvm_h, addr, (char *)sc, AMT) < 0)
|
|
perror("kmem read");
|
|
(void)signal(SIGALRM, catchalarm);
|
|
signalled = 0;
|
|
(void)alarm(interval);
|
|
|
|
if ((line % 20) == 0) {
|
|
printf("%8.8s %6.6s %6.6s %6.6s %6.6s",
|
|
"in", "pack", "comp", "uncomp", "unknwn");
|
|
if (vflag)
|
|
printf(" %6.6s %6.6s %6.6s",
|
|
"toss", "other", "err");
|
|
printf(" | %8.8s %6.6s %6.6s %6.6s %6.6s",
|
|
"out", "pack", "comp", "uncomp", "other");
|
|
if (vflag)
|
|
printf(" %6.6s %6.6s %6.6s %6.6s",
|
|
"search", "miss", "err", "coll");
|
|
putchar('\n');
|
|
}
|
|
printf("%8u %6d %6u %6u %6u",
|
|
V(sc_if.if_ibytes),
|
|
V(sc_if.if_ipackets),
|
|
V(sc_comp.sls_compressedin),
|
|
V(sc_comp.sls_uncompressedin),
|
|
V(sc_comp.sls_errorin));
|
|
if (vflag)
|
|
printf(" %6u %6u %6u",
|
|
V(sc_comp.sls_tossed),
|
|
V(sc_if.if_ipackets) -
|
|
V(sc_comp.sls_compressedin) -
|
|
V(sc_comp.sls_uncompressedin) -
|
|
V(sc_comp.sls_errorin),
|
|
V(sc_if.if_ierrors));
|
|
printf(" | %8u %6d %6u %6u %6u",
|
|
V(sc_if.if_obytes) / (rflag ? interval : 1),
|
|
V(sc_if.if_opackets),
|
|
V(sc_comp.sls_compressed),
|
|
V(sc_comp.sls_packets) - V(sc_comp.sls_compressed),
|
|
V(sc_if.if_opackets) - V(sc_comp.sls_packets));
|
|
if (vflag)
|
|
printf(" %6u %6u %6u %6u",
|
|
V(sc_comp.sls_searches),
|
|
V(sc_comp.sls_misses),
|
|
V(sc_if.if_oerrors),
|
|
V(sc_if.if_collisions));
|
|
putchar('\n');
|
|
fflush(stdout);
|
|
line++;
|
|
oldmask = sigblock(sigmask(SIGALRM));
|
|
if (! signalled) {
|
|
sigpause(0);
|
|
}
|
|
sigsetmask(oldmask);
|
|
signalled = 0;
|
|
(void)alarm(interval);
|
|
bcopy((char *)sc, (char *)osc, AMT);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Called if an interval expires before sidewaysintpr has completed a loop.
|
|
* Sets a flag to not wait for the alarm.
|
|
*/
|
|
void
|
|
catchalarm()
|
|
{
|
|
signalled = 1;
|
|
}
|
|
|
|
#if 0
|
|
|
|
#include <kvm.h>
|
|
#include <fcntl.h>
|
|
|
|
int kd;
|
|
|
|
kopen(system, kmemf, errstr)
|
|
char *system;
|
|
char *kmemf;
|
|
char *errstr;
|
|
{
|
|
if (strcmp(system, _PATH_UNIX) == 0 &&
|
|
strcmp(kmemf, _PATH_KMEM) == 0) {
|
|
system = 0;
|
|
kmemf = 0;
|
|
}
|
|
kd = kvm_openfiles(system, kmemf, (void *)0);
|
|
if (kd == 0)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
knlist(system, nl, errstr)
|
|
char *system;
|
|
struct nlist *nl;
|
|
char *errstr;
|
|
{
|
|
if (kd == 0)
|
|
/* kopen() must be called first */
|
|
abort();
|
|
|
|
if (kvm_nlist(nl) < 0 || nl[0].n_type == 0) {
|
|
fprintf(stderr, "%s: %s: no namelist\n", errstr, system);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
kread(addr, buf, size)
|
|
off_t addr;
|
|
char *buf;
|
|
int size;
|
|
{
|
|
if (kvm_read((char *)addr, buf, size) != size)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
#endif
|
|
|