327 lines
7.4 KiB
C
327 lines
7.4 KiB
C
/*
|
|
* print PPP statistics:
|
|
* pppstats [-v] [-r] [-z] [-c count] [-w wait] [interface]
|
|
*
|
|
* -v Verbose mode for default display
|
|
* -r Show compression ratio in default display
|
|
* -z Show compression statistics instead of default display
|
|
*
|
|
* from the original "slstats" by Van Jacobson
|
|
*
|
|
* Copyright (c) 1989 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@helios.ee.lbl.gov), Dec 31, 1989:
|
|
* - Initial distribution.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char rcsid[] = "$Id: pppstats.c,v 1.14 1997/01/30 09:14:50 matthias Exp $";
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <signal.h>
|
|
#include <fcntl.h>
|
|
#include <err.h>
|
|
#include <unistd.h>
|
|
#include <sys/param.h>
|
|
#include <sys/types.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/socket.h>
|
|
#include <net/ppp_defs.h>
|
|
#include <net/if.h>
|
|
#include <net/if_ppp.h>
|
|
|
|
int vflag, rflag, zflag; /* select type of display */
|
|
int aflag; /* print absolute values, not deltas */
|
|
int interval, count;
|
|
int infinite;
|
|
int unit;
|
|
int s; /* socket file descriptor */
|
|
int signalled; /* set if alarm goes off "early" */
|
|
char *progname;
|
|
char interface[IFNAMSIZ];
|
|
|
|
void
|
|
usage()
|
|
{
|
|
fprintf(stderr, "Usage: %s [-v|-r|-z] [-a] [-c count] [-w wait] [interface]\n",
|
|
progname);
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Called if an interval expires before intpr has completed a loop.
|
|
* Sets a flag to not wait for the alarm.
|
|
*/
|
|
void
|
|
catchalarm(arg)
|
|
int arg;
|
|
{
|
|
signalled = 1;
|
|
}
|
|
|
|
void
|
|
get_ppp_stats(curp)
|
|
struct ppp_stats *curp;
|
|
{
|
|
struct ifpppstatsreq req;
|
|
|
|
strncpy(req.ifr_name, interface, sizeof(req.ifr_name));
|
|
if (ioctl(s, SIOCGPPPSTATS, &req) == 0) {
|
|
*curp = req.stats;
|
|
return;
|
|
}
|
|
fprintf(stderr, "%s: ", progname);
|
|
if (errno == ENOTTY)
|
|
errx(1, "kernel support missing");
|
|
else
|
|
err(1, "couldn't get PPP statistics");
|
|
}
|
|
|
|
void
|
|
get_ppp_cstats(csp)
|
|
struct ppp_comp_stats *csp;
|
|
{
|
|
struct ifpppcstatsreq creq;
|
|
|
|
strncpy(creq.ifr_name, interface, sizeof(creq.ifr_name));
|
|
if (ioctl(s, SIOCGPPPCSTATS, &creq) == 0) {
|
|
*csp = creq.stats;
|
|
return;
|
|
}
|
|
if (errno == ENOTTY) {
|
|
if (zflag)
|
|
errx(1, "no kernel compression support\n");
|
|
warnx("no kernel compression support\n");
|
|
rflag = 0;
|
|
} else
|
|
err(1, "couldn't get PPP compression stats");
|
|
}
|
|
|
|
#define MAX0(a) ((int)(a) > 0? (a): 0)
|
|
#define V(offset) MAX0(cur.offset - old.offset)
|
|
#define W(offset) MAX0(ccs.offset - ocs.offset)
|
|
|
|
#define RATIO(c, i, u) ((c) == 0? 1.0: (u) / ((double)(c) + (i)))
|
|
#define CRATE(x) RATIO(W(x.comp_bytes), W(x.inc_bytes), W(x.unc_bytes))
|
|
|
|
/*
|
|
* 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 is cumulative.
|
|
*/
|
|
void
|
|
intpr()
|
|
{
|
|
register int line = 0;
|
|
sigset_t oldmask;
|
|
struct ppp_stats cur, old;
|
|
struct ppp_comp_stats ccs, ocs;
|
|
|
|
memset(&old, 0, sizeof(old));
|
|
memset(&ocs, 0, sizeof(ocs));
|
|
|
|
while (1) {
|
|
get_ppp_stats(&cur);
|
|
if (zflag || rflag)
|
|
get_ppp_cstats(&ccs);
|
|
|
|
(void)signal(SIGALRM, catchalarm);
|
|
signalled = 0;
|
|
(void)alarm(interval);
|
|
|
|
if ((line % 20) == 0) {
|
|
if (zflag) {
|
|
printf("IN: COMPRESSED INCOMPRESSIBLE COMP | ");
|
|
printf("OUT: COMPRESSED INCOMPRESSIBLE COMP\n");
|
|
printf(" BYTE PACK BYTE PACK RATIO | ");
|
|
printf(" BYTE PACK BYTE PACK RATIO");
|
|
} else {
|
|
printf("%8.8s %6.6s %6.6s",
|
|
"IN", "PACK", "VJCOMP");
|
|
|
|
if (!rflag)
|
|
printf(" %6.6s %6.6s", "VJUNC", "VJERR");
|
|
if (vflag)
|
|
printf(" %6.6s %6.6s", "VJTOSS", "NON-VJ");
|
|
if (rflag)
|
|
printf(" %6.6s %6.6s", "RATIO", "UBYTE");
|
|
printf(" | %8.8s %6.6s %6.6s",
|
|
"OUT", "PACK", "VJCOMP");
|
|
|
|
if (!rflag)
|
|
printf(" %6.6s %6.6s", "VJUNC", "NON-VJ");
|
|
if (vflag)
|
|
printf(" %6.6s %6.6s", "VJSRCH", "VJMISS");
|
|
if (rflag)
|
|
printf(" %6.6s %6.6s", "RATIO", "UBYTE");
|
|
}
|
|
putchar('\n');
|
|
}
|
|
|
|
if (zflag) {
|
|
printf("%8u %6u %8u %6u %6.2f",
|
|
W(d.comp_bytes),
|
|
W(d.comp_packets),
|
|
W(d.inc_bytes),
|
|
W(d.inc_packets),
|
|
ccs.d.ratio / 256.0);
|
|
|
|
printf(" | %8u %6u %8u %6u %6.2f",
|
|
W(c.comp_bytes),
|
|
W(c.comp_packets),
|
|
W(c.inc_bytes),
|
|
W(c.inc_packets),
|
|
ccs.c.ratio / 256.0);
|
|
|
|
} else {
|
|
|
|
printf("%8u %6u %6u",
|
|
V(p.ppp_ibytes),
|
|
V(p.ppp_ipackets),
|
|
V(vj.vjs_compressedin));
|
|
if (!rflag)
|
|
printf(" %6u %6u",
|
|
V(vj.vjs_uncompressedin),
|
|
V(vj.vjs_errorin));
|
|
if (vflag)
|
|
printf(" %6u %6u",
|
|
V(vj.vjs_tossed),
|
|
V(p.ppp_ipackets) -
|
|
V(vj.vjs_compressedin) -
|
|
V(vj.vjs_uncompressedin) -
|
|
V(vj.vjs_errorin));
|
|
if (rflag)
|
|
printf(" %6.2f %6u",
|
|
CRATE(d),
|
|
W(d.unc_bytes));
|
|
printf(" | %8u %6u %6u",
|
|
V(p.ppp_obytes),
|
|
V(p.ppp_opackets),
|
|
V(vj.vjs_compressed));
|
|
if (!rflag)
|
|
printf(" %6u %6u",
|
|
V(vj.vjs_packets) - V(vj.vjs_compressed),
|
|
V(p.ppp_opackets) - V(vj.vjs_packets));
|
|
if (vflag)
|
|
printf(" %6u %6u",
|
|
V(vj.vjs_searches),
|
|
V(vj.vjs_misses));
|
|
|
|
if (rflag)
|
|
printf(" %6.2f %6u",
|
|
CRATE(c),
|
|
W(c.unc_bytes));
|
|
|
|
}
|
|
|
|
putchar('\n');
|
|
fflush(stdout);
|
|
line++;
|
|
|
|
count--;
|
|
if (!infinite && !count)
|
|
break;
|
|
|
|
oldmask = sigblock(sigmask(SIGALRM));
|
|
if (signalled == 0)
|
|
sigpause(0);
|
|
sigsetmask(oldmask);
|
|
signalled = 0;
|
|
(void)alarm(interval);
|
|
if (!aflag) {
|
|
old = cur;
|
|
ocs = ccs;
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
main(argc, argv)
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
int c;
|
|
struct ifreq ifr;
|
|
|
|
strcpy(interface, "ppp0");
|
|
if ((progname = strrchr(argv[0], '/')) == NULL)
|
|
progname = argv[0];
|
|
else
|
|
++progname;
|
|
|
|
while ((c = getopt(argc, argv, "avrzc:w:")) != -1) {
|
|
switch (c) {
|
|
case 'a':
|
|
++aflag;
|
|
break;
|
|
case 'v':
|
|
++vflag;
|
|
break;
|
|
case 'r':
|
|
++rflag;
|
|
break;
|
|
case 'z':
|
|
++zflag;
|
|
break;
|
|
case 'c':
|
|
count = atoi(optarg);
|
|
if (count <= 0)
|
|
usage();
|
|
break;
|
|
case 'w':
|
|
interval = atoi(optarg);
|
|
if (interval <= 0)
|
|
usage();
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (!interval && count)
|
|
interval = 5;
|
|
if (interval && !count)
|
|
infinite = 1;
|
|
if (!interval && !count)
|
|
count = 1;
|
|
|
|
if (argc > 1)
|
|
usage();
|
|
if (argc > 0)
|
|
strncpy(interface, argv[0], sizeof(interface));
|
|
|
|
if (sscanf(interface, "ppp%d", &unit) != 1)
|
|
errx(1, "invalid interface '%s' specified\n", interface);
|
|
s = socket(AF_INET, SOCK_DGRAM, 0);
|
|
if (s < 0)
|
|
err(1, "couldn't create IP socket");
|
|
strcpy(ifr.ifr_name, interface);
|
|
if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0)
|
|
errx(1, "nonexistent interface '%s' specified\n", interface);
|
|
|
|
intpr();
|
|
exit(0);
|
|
}
|