/*
* print PPP statistics:
- * pppstats [-i interval] [-v] [interface] [system] [core]
+ * pppstats [-a|-d] [-v|-r|-z] [-c count] [-w wait] [interface]
*
+ * -a Show absolute values rather than deltas
+ * -d Show data rate (kB/s) rather than bytes
+ * -v Show more stats for VJ TCP header compression
+ * -r Show compression ratio
+ * -z Show compression statistics instead of default display
+ *
+ * History:
+ * perkins@cps.msu.edu: Added compression statistics and alternate
+ * display. 11/94
* Brad Parker (brad@cayman.com) 6/92
*
- * from the original "slstats" by Van Jaconson
+ * from the original "slstats" by Van Jacobson
*
* Copyright (c) 1989 Regents of the University of California.
* All rights reserved.
* 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 1.1 1993/11/11 03:54:25 paulus Exp $";
+static char rcsid[] = "$Id: pppstats.c,v 1.14 1996/07/01 05:32:57 paulus Exp $";
#endif
-#include <sys/param.h>
-#include <sys/mbuf.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/file.h>
-#ifndef KVMLIB
-#include <machine/pte.h>
-#endif
-#ifdef sun
-#include <kvm.h>
-#endif
+#include <stdio.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
#include <ctype.h>
#include <errno.h>
-#include <nlist.h>
-#include <stdio.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 <fcntl.h>
+#include <unistd.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <net/ppp_defs.h>
-#define VJC 1
-#include <net/slcompress.h>
+#ifndef STREAMS
+#include <sys/socket.h> /* *BSD, Linux, NeXT, Ultrix etc. */
+#include <net/if.h>
#include <net/if_ppp.h>
-#ifdef STREAMS
-#include <sys/stream.h>
-#include "ppp_str.h"
-#endif
+#else /* STREAMS */
+#include <sys/stropts.h> /* SVR4, Solaris 2, SunOS 4, OSF/1, etc. */
+#include <net/pppio.h>
-#ifdef STREAMS
-struct nlist nl[] = {
-#define N_SOFTC 0
- { "_pii" },
- "",
-};
-#else
-struct nlist nl[] = {
-#define N_SOFTC 0
- { "_ppp_softc" },
- "",
-};
-#endif
+#endif /* STREAMS */
-#ifndef KVMLIB
-struct pte *Sysmap;
-int kmem;
-extern off_t lseek();
-#endif
+int vflag, rflag, zflag; /* select type of display */
+int aflag; /* print absolute values, not deltas */
+int dflag; /* print data rates, not bytes */
+int interval, count;
+int infinite;
+int unit;
+int s; /* socket or /dev/ppp file descriptor */
+int signalled; /* set if alarm goes off "early" */
+char *progname;
+char *interface;
-#ifdef sun
-kvm_t *kd;
-#endif
+void
+usage()
+{
+ fprintf(stderr, "Usage: %s [-a|-d] [-v|-r|-z] [-c count] [-w wait] [interface]\n",
+ progname);
+ exit(1);
+}
-#ifdef sun
-char *system = "/vmunix";
-#else
-#ifdef __NetBSD__
-char *system = "/netbsd";
-#else
-char *system = "/386bsd";
-#endif
-#endif
+/*
+ * 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;
+}
-#ifndef KVMLIB
-char *kmemf = "/dev/kmem";
-#else
-char *kmemf;
-#endif
-int kflag;
-int vflag;
-unsigned interval = 5;
-int unit;
-extern char *malloc();
+#ifndef STREAMS
+void
+get_ppp_stats(curp)
+ struct ppp_stats *curp;
+{
+ struct ifpppstatsreq req;
+ memset (&req, 0, sizeof (req));
-main(argc, argv)
- int argc;
- char *argv[];
-{
- --argc; ++argv;
- while (argc > 0) {
- if (strcmp(argv[0], "-v") == 0) {
- ++vflag;
- ++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])) {
- unit = atoi(argv[0]);
- if (unit < 0)
- usage();
- ++argv, --argc;
- continue;
- }
- if (kflag)
- usage();
-
- system = *argv;
- ++argv, --argc;
- if (argc > 0) {
- kmemf = *argv++;
- --argc;
- kflag++;
- }
- }
-#ifndef KVMLIB
- if (nlist(system, nl) < 0 || nl[0].n_type == 0) {
- fprintf(stderr, "%s: no namelist\n", system);
- exit(1);
- }
- kmem = open(kmemf, O_RDONLY);
- if (kmem < 0) {
- perror(kmemf);
- exit(1);
- }
- if (kflag) {
- off_t off;
-
- Sysmap = (struct pte *)
- malloc((u_int)(nl[N_SYSSIZE].n_value * sizeof(struct pte)));
- if (!Sysmap) {
- fputs("netstat: can't get memory for Sysmap.\n", stderr);
- exit(1);
- }
- off = nl[N_SYSMAP].n_value & ~KERNBASE;
- (void)lseek(kmem, off, L_SET);
- (void)read(kmem, (char *)Sysmap,
- (int)(nl[N_SYSSIZE].n_value * sizeof(struct pte)));
- }
-#else
-#ifdef sun
- /* SunOS */
- if ((kd = kvm_open(system, kmemf, (char *)0, O_RDONLY, NULL)) == NULL) {
- perror("kvm_open");
- exit(1);
- }
-#else
- /* BSD4.3+ */
- if (kvm_openfiles(system, kmemf, (char *)0) == -1) {
- fprintf(stderr, "kvm_openfiles: %s", kvm_geterr());
- exit(1);
- }
+#ifdef _linux_
+ req.stats_ptr = (caddr_t) &req.stats;
+#undef ifr_name
+#define ifr_name ifr__name
#endif
-#ifdef sun
- if (kvm_nlist(kd, nl)) {
-#else
- if (kvm_nlist(nl)) {
+ strncpy(req.ifr_name, interface, sizeof(req.ifr_name));
+ if (ioctl(s, SIOCGPPPSTATS, &req) < 0) {
+ fprintf(stderr, "%s: ", progname);
+ if (errno == ENOTTY)
+ fprintf(stderr, "kernel support missing\n");
+ else
+ perror("couldn't get PPP statistics");
+ exit(1);
+ }
+ *curp = req.stats;
+}
+
+void
+get_ppp_cstats(csp)
+ struct ppp_comp_stats *csp;
+{
+ struct ifpppcstatsreq creq;
+
+ memset (&creq, 0, sizeof (creq));
+
+#ifdef _linux_
+ creq.stats_ptr = (caddr_t) &creq.stats;
+#undef ifr_name
+#define ifr_name ifr__name
#endif
- fprintf(stderr, "pppstats: can't find symbols in nlist\n");
- exit(1);
+
+ strncpy(creq.ifr_name, interface, sizeof(creq.ifr_name));
+ if (ioctl(s, SIOCGPPPCSTATS, &creq) < 0) {
+ fprintf(stderr, "%s: ", progname);
+ if (errno == ENOTTY) {
+ fprintf(stderr, "no kernel compression support\n");
+ if (zflag)
+ exit(1);
+ rflag = 0;
+ } else {
+ perror("couldn't get PPP compression stats");
+ exit(1);
}
+ }
+
+#ifdef _linux_
+ if (creq.stats.c.bytes_out == 0)
+ creq.stats.c.ratio = 0.0;
+ else
+ creq.stats.c.ratio = (double) creq.stats.c.in_count /
+ (double) creq.stats.c.bytes_out;
+
+ if (creq.stats.d.bytes_out == 0)
+ creq.stats.d.ratio = 0.0;
+ else
+ creq.stats.d.ratio = (double) creq.stats.d.in_count /
+ (double) creq.stats.d.bytes_out;
#endif
- intpr();
- exit(0);
+
+ *csp = creq.stats;
}
-#ifndef KVMLIB
-/*
- * Seek into the kernel for a value.
- */
-off_t
-klseek(fd, base, off)
- int fd, off;
- off_t base;
+#else /* STREAMS */
+
+int
+strioctl(fd, cmd, ptr, ilen, olen)
+ int fd, cmd, ilen, olen;
+ char *ptr;
{
- if (kflag) {
- /* get kernel pte */
- base &= ~KERNBASE;
- base = ctob(Sysmap[btop(base)].pg_pfnum) + (base & PGOFSET);
- }
- return (lseek(fd, base, off));
+ struct strioctl str;
+
+ str.ic_cmd = cmd;
+ str.ic_timout = 0;
+ str.ic_len = ilen;
+ str.ic_dp = ptr;
+ if (ioctl(fd, I_STR, &str) == -1)
+ return -1;
+ if (str.ic_len != olen)
+ fprintf(stderr, "strioctl: expected %d bytes, got %d for cmd %x\n",
+ olen, str.ic_len, cmd);
+ return 0;
}
-#endif
-usage()
+void
+get_ppp_stats(curp)
+ struct ppp_stats *curp;
{
- fprintf(stderr,"usage: pppstats [-i interval] [-v] [unit] [system] [core]\n");
+ if (strioctl(s, PPPIO_GETSTAT, curp, 0, sizeof(*curp)) < 0) {
+ fprintf(stderr, "%s: ", progname);
+ if (errno == EINVAL)
+ fprintf(stderr, "kernel support missing\n");
+ else
+ perror("couldn't get PPP statistics");
exit(1);
+ }
}
-u_char signalled; /* set if alarm goes off "early" */
+void
+get_ppp_cstats(csp)
+ struct ppp_comp_stats *csp;
+{
+ if (strioctl(s, PPPIO_GETCSTAT, csp, 0, sizeof(*csp)) < 0) {
+ fprintf(stderr, "%s: ", progname);
+ if (errno == ENOTTY) {
+ fprintf(stderr, "no kernel compression support\n");
+ if (zflag)
+ exit(1);
+ rflag = 0;
+ } else {
+ perror("couldn't get PPP compression statistics");
+ exit(1);
+ }
+ }
+}
+
+#endif /* STREAMS */
+
+#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 V(offset) ((line % 20)? sc->offset - osc->offset : sc->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))
+
+#define KBPS(n) ((n) / (interval * 1000.0))
/*
* 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.
+ * First line printed is cumulative.
*/
+void
intpr()
{
- register int line = 0;
- int oldmask;
-#ifdef __STDC__
- void catchalarm(int);
-#else
- void catchalarm();
-#endif
+ register int line = 0;
+ sigset_t oldmask, mask;
+ char *bunit;
+ int ratef = 0;
+ struct ppp_stats cur, old;
+ struct ppp_comp_stats ccs, ocs;
-#ifdef STREAMS
-#define STRUCT struct ppp_if_info
-#else
-#define STRUCT struct ppp_softc
-#endif
+ memset(&old, 0, sizeof(old));
+ memset(&ocs, 0, sizeof(ocs));
- STRUCT *sc, *osc;
-
- nl[N_SOFTC].n_value += unit * sizeof(struct ppp_softc);
- sc = (STRUCT *)malloc(sizeof(STRUCT));
- osc = (STRUCT *)malloc(sizeof(STRUCT));
-
- bzero((char *)osc, sizeof(STRUCT));
-
- while (1) {
-#ifndef KVMLIB
- if (klseek(kmem, (off_t)nl[N_SOFTC].n_value, 0) < 0)
- if(errno != EINTR)
- perror("kmem seek");
- if (read(kmem, (char *)sc, sizeof(STRUCT)) <= 0)
- perror("kmem read");
-#else
-#ifdef sun
- if (kvm_read(kd, nl[N_SOFTC].n_value,
-#else
- if (kvm_read(nl[N_SOFTC].n_value,
-#endif
- sc, sizeof(STRUCT)) !=
- sizeof(STRUCT))
- perror("kvm_read");
-#endif
+ 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) {
- printf("%6.6s %6.6s %6.6s %6.6s %6.6s",
- "in", "pack", "comp", "uncomp", "err");
- if (vflag)
- printf(" %6.6s %6.6s", "toss", "ip");
- printf(" | %6.6s %6.6s %6.6s %6.6s %6.6s",
- "out", "pack", "comp", "uncomp", "ip");
- if (vflag)
- printf(" %6.6s %6.6s", "search", "miss");
- putchar('\n');
- }
-
-#ifdef STREAMS
-#define COMP pii_sc_comp
-#define STATS pii_ifnet
-#else
-#define COMP sc_comp
-#define STATS sc_if
-#endif
+ (void)signal(SIGALRM, catchalarm);
+ signalled = 0;
+ (void)alarm(interval);
- printf("%6d %6d %6d %6d %6d",
-#if BSD > 43
- V(STATS.if_ibytes),
-#else
- 0,
-#endif
- V(STATS.if_ipackets),
- V(COMP.sls_compressedin),
- V(COMP.sls_uncompressedin),
- V(COMP.sls_errorin));
+ if ((line % 20) == 0) {
+ if (zflag) {
+ printf("IN: COMPRESSED INCOMPRESSIBLE COMP | ");
+ printf("OUT: COMPRESSED INCOMPRESSIBLE COMP\n");
+ bunit = dflag? "KB/S": "BYTE";
+ printf(" %s PACK %s PACK RATIO | ", bunit, bunit);
+ printf(" %s PACK %s PACK RATIO", bunit, bunit);
+ } else {
+ printf("%8.8s %6.6s %6.6s",
+ "IN", "PACK", "VJCOMP");
+
+ if (!rflag)
+ printf(" %6.6s %6.6s", "VJUNC", "VJERR");
if (vflag)
- printf(" %6d %6d",
- V(COMP.sls_tossed),
- V(STATS.if_ipackets) -
- V(COMP.sls_compressedin) -
- V(COMP.sls_uncompressedin) -
- V(COMP.sls_errorin));
- printf(" | %6d %6d %6d %6d %6d",
-#if BSD > 43
- V(STATS.if_obytes),
-#else
- 0,
-#endif
- V(STATS.if_opackets),
- V(COMP.sls_compressed),
- V(COMP.sls_packets) - V(COMP.sls_compressed),
- V(STATS.if_opackets) - V(COMP.sls_packets));
+ 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(" %6d %6d",
- V(COMP.sls_searches),
- V(COMP.sls_misses));
-
- 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, sizeof(STRUCT));
+ printf(" %6.6s %6.6s", "VJSRCH", "VJMISS");
+ if (rflag)
+ printf(" %6.6s %6.6s", "RATIO", "UBYTE");
+ }
+ putchar('\n');
+ }
+
+ if (zflag) {
+ if (ratef) {
+ printf("%8.3f %6u %8.3f %6u %6.2f",
+ KBPS(W(d.comp_bytes)),
+ W(d.comp_packets),
+ KBPS(W(d.inc_bytes)),
+ W(d.inc_packets),
+ ccs.d.ratio * 256.0);
+ printf(" | %8.3f %6u %8.3f %6u %6.2f",
+ KBPS(W(c.comp_bytes)),
+ W(c.comp_packets),
+ KBPS(W(c.inc_bytes)),
+ W(c.inc_packets),
+ ccs.c.ratio * 256.0);
+ } else {
+ 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 {
+ if (ratef)
+ printf("%8.3f", KBPS(V(p.ppp_ibytes)));
+ else
+ printf("%8u", V(p.ppp_ibytes));
+ printf(" %6u %6u",
+ 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 ", CRATE(d));
+ if (ratef)
+ printf("%6.2f", KBPS(W(d.unc_bytes)));
+ else
+ printf("%6u", W(d.unc_bytes));
+ }
+ if (ratef)
+ printf(" | %8.3f", KBPS(V(p.ppp_obytes)));
+ else
+ printf(" | %8u", V(p.ppp_obytes));
+ printf(" %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 ", CRATE(c));
+ if (ratef)
+ printf("%6.2f", KBPS(W(c.unc_bytes)));
+ else
+ printf("%6u", W(c.unc_bytes));
+ }
+
}
+
+ putchar('\n');
+ fflush(stdout);
+ line++;
+
+ count--;
+ if (!infinite && !count)
+ break;
+
+ sigemptyset(&mask);
+ sigaddset(&mask, SIGALRM);
+ sigprocmask(SIG_BLOCK, &mask, &oldmask);
+ if (!signalled) {
+ sigemptyset(&mask);
+ sigsuspend(&mask);
+ }
+ sigprocmask(SIG_SETMASK, &oldmask, NULL);
+ signalled = 0;
+ (void)alarm(interval);
+
+ if (!aflag) {
+ old = cur;
+ ocs = ccs;
+ ratef = dflag;
+ }
+ }
}
-/*
- * Called if an interval expires before sidewaysintpr has completed a loop.
- * Sets a flag to not wait for the alarm.
- */
-void catchalarm(arg)
-int arg;
+int
+main(argc, argv)
+ int argc;
+ char *argv[];
{
- signalled = 1;
+ int c;
+
+ interface = "ppp0";
+ if ((progname = strrchr(argv[0], '/')) == NULL)
+ progname = argv[0];
+ else
+ ++progname;
+
+ while ((c = getopt(argc, argv, "advrzc:w:")) != -1) {
+ switch (c) {
+ case 'a':
+ ++aflag;
+ break;
+ case 'd':
+ ++dflag;
+ 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 (aflag)
+ dflag = 0;
+
+ if (argc > 1)
+ usage();
+ if (argc > 0)
+ interface = argv[0];
+
+ if (sscanf(interface, "ppp%d", &unit) != 1) {
+ fprintf(stderr, "%s: invalid interface '%s' specified\n",
+ progname, interface);
+ }
+
+#ifndef STREAMS
+ {
+ struct ifreq ifr;
+
+ s = socket(AF_INET, SOCK_DGRAM, 0);
+ if (s < 0) {
+ fprintf(stderr, "%s: ", progname);
+ perror("couldn't create IP socket");
+ exit(1);
+ }
+ strncpy(ifr.ifr_name, interface, sizeof(ifr.ifr_name));
+ if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
+ fprintf(stderr, "%s: nonexistent interface '%s' specified\n",
+ progname, interface);
+ exit(1);
+ }
+ }
+
+#else /* STREAMS */
+ if ((s = open("/dev/ppp", O_RDONLY)) < 0) {
+ fprintf(stderr, "%s: ", progname);
+ perror("couldn't open /dev/ppp");
+ exit(1);
+ }
+ if (strioctl(s, PPPIO_ATTACH, &unit, sizeof(int), 0) < 0) {
+ fprintf(stderr, "%s: ppp%d is not available\n", progname, unit);
+ exit(1);
+ }
+
+#endif /* STREAMS */
+
+ intpr();
+ exit(0);
}
projects / ppp.git / blobdiff