282 lines
6.6 KiB
C
282 lines
6.6 KiB
C
/*
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* print PPP interface statistics:
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* pppstats [-v] [-c count] [-w wait] [-M core] [-N system ] [interface]
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* print SLIP interface statistics:
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* slstats [-v] [-c count] [-w wait] [-M core] [-N system ] [interface]
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*
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*
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* Brad Parker (brad@cayman.com) 6/92
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*
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* from the original "slstats" by Van Jacobson
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*
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* Copyright (c) 1989, 1990, 1991, 1992 Regents of the University of
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* California. All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the University of California, Berkeley. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Van Jacobson (van@ee.lbl.gov), Dec 31, 1989:
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* - Initial distribution.
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*/
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#ifndef lint
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/*static char rcsid[] =
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"@(#) $Header: /cvsroot/src/usr.sbin/pppd/pppstats/Attic/pppstats.c,v 1.8 1994/11/15 07:20:54 glass Exp $ (LBL)";*/
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static char rcsid[] = "$Id: pppstats.c,v 1.8 1994/11/15 07:20:54 glass Exp $";
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#endif
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#include <sys/param.h>
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#include <sys/mbuf.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/file.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip_var.h>
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#define VJC 1 /* XXX */
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#define INET /* XXX */
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#include <net/slcompress.h>
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#include <net/if_slvar.h>
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#include <net/if_ppp.h>
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#include <ctype.h>
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#include <errno.h>
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#include <err.h>
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#include <kvm.h>
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#include <limits.h>
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#include <nlist.h>
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#include <paths.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define V(offset) ((line != 0) ? sc->offset - osc->offset : sc->offset)
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#ifdef PPP
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#define STRUCT struct ppp_softc
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#define NLIST_ENTRY "_ppp_softc"
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#define INTERFACE_PREFIX "ppp"
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#else
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#define STRUCT struct sl_softc
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#define NLIST_ENTRY "_sl_softc"
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#define INTERFACE_PREFIX "sl"
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#endif
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struct nlist nl[] = {
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#define N_SOFTC 0
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{ NLIST_ENTRY },
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"",
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};
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kvm_t *kd;
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char *progname, interface[IFNAMSIZ];
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int count, infinite, interval, signalled, unit, vflag;
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void
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usage()
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{
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fprintf(stderr,
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"usage: %s [-v] [-c count] [-w wait] [-M core] [-N system ] [interface]\n",
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progname);
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exit(1);
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}
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/*
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* Called if an interval expires before intpr has completed a loop.
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* Sets a flag to not wait for the alarm.
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*/
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void
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catchalarm()
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{
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signalled = 1;
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}
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/*
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* Print a running summary of interface statistics.
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* Repeat display every interval seconds, showing statistics
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* collected over that interval. Assumes that interval is non-zero.
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* First line printed at top of screen is always cumulative.
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*/
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void
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intpr()
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{
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STRUCT *sc, *osc;
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off_t addr;
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int oldmask, line = 0;
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addr = nl[N_SOFTC].n_value + unit * sizeof(STRUCT);
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sc = (STRUCT *) malloc(sizeof(STRUCT));
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osc = (STRUCT *) malloc(sizeof(STRUCT));
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memset(osc, 0, sizeof(STRUCT));
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while (1) {
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if (kvm_read(kd, addr, sc,
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sizeof(STRUCT)) != sizeof(STRUCT))
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errx(1, "reading statistics: %s", kvm_geterr(kd));
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(void)signal(SIGALRM, catchalarm);
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signalled = 0;
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(void)alarm(interval);
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if ((line % 20) == 0) {
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printf("%8.8s %6.6s %6.6s %6.6s %6.6s",
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"IN", "PACK", "COMP", "UNCOMP", "ERR");
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if (vflag)
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printf(" %6.6s %6.6s", "TOSS", "IP");
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printf(" | %8.8s %6.6s %6.6s %6.6s %6.6s",
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"OUT", "PACK", "COMP", "UNCOMP", "IP");
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if (vflag)
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printf(" %6.6s %6.6s", "SEARCH", "MISS");
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putchar('\n');
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}
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printf("%8u %6d %6u %6u %6u",
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V(sc_if.if_ibytes),
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V(sc_if.if_ipackets),
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V(sc_comp.sls_compressedin),
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V(sc_comp.sls_uncompressedin),
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V(sc_comp.sls_errorin));
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if (vflag)
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printf(" %6u %6u",
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V(sc_comp.sls_tossed),
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V(sc_if.if_ipackets) -
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V(sc_comp.sls_compressedin) -
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V(sc_comp.sls_uncompressedin) -
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V(sc_comp.sls_errorin));
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printf(" | %8u %6d %6u %6u %6u",
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V(sc_if.if_obytes),
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V(sc_if.if_opackets),
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V(sc_comp.sls_compressed),
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V(sc_comp.sls_packets) - V(sc_comp.sls_compressed),
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V(sc_if.if_opackets) - V(sc_comp.sls_packets));
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if (vflag)
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printf(" %6u %6u",
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V(sc_comp.sls_searches),
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V(sc_comp.sls_misses));
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putchar('\n');
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fflush(stdout);
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line++;
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count--;
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if (!infinite && !count)
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break;
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oldmask = sigblock(sigmask(SIGALRM));
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if (signalled == 0)
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sigpause(0);
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sigsetmask(oldmask);
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signalled = 0;
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(void)alarm(interval);
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memcpy(osc, sc, sizeof(STRUCT));
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}
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}
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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char errbuf[_POSIX2_LINE_MAX], tmp[IFNAMSIZ];
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struct ifreq ifr;
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char *kernel, *core;
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int c, s;
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kernel = core = NULL;
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strcpy(interface, INTERFACE_PREFIX);
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strcat(interface, "0");
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if ((progname = strrchr(argv[0], '/')) == NULL)
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progname = argv[0];
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else
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++progname;
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while ((c = getopt(argc, argv, ":c:vw:M:N:")) != -1) {
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switch (c) {
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case 'c':
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count = atoi(optarg);
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if (count <= 0)
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usage();
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break;
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case 'v':
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++vflag;
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break;
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case 'w':
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interval = atoi(optarg);
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if (interval <= 0)
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usage();
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break;
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case 'M':
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core = optarg;
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break;
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case 'N':
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kernel = optarg;
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break;
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case ':':
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fprintf(stderr,
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"option -%c requires an argument\n", optopt);
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usage();
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break;
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case '?':
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fprintf(stderr, "unrecognized option: -%c\n", optopt);
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usage();
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break;
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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if (!interval && count)
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interval = 5;
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if (interval && !count)
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infinite = 1;
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if (!interval && !count)
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count = 1;
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if (argc > 1)
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usage();
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if (argc > 0) {
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if (strlen(argv[0]) > sizeof(interface))
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errx(1, "invalid interface specified %s", interface);
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strcpy(interface, argv[0]);
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}
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strcpy(tmp, INTERFACE_PREFIX);
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strcat(tmp, "%d");
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if (sscanf(interface, tmp, &unit) != 1)
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errx(1, "invalid interface '%s' specified", interface);
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s = socket(AF_INET, SOCK_DGRAM, 0);
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if (s < 0)
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err(1, "creating socket");
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strcpy(ifr.ifr_name, interface);
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if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0)
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errx(1, "unable to confirm existence of interface '%s'",
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interface);
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close(s);
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kd = kvm_openfiles(kernel, core, NULL, O_RDONLY, errbuf);
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if (kd == NULL)
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errx(1, "%s", errbuf);
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if (kvm_nlist(kd, nl) != 0)
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errx(1, "%s", kvm_geterr(kd));
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intpr();
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exit(0);
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}
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