define alloca for SunOS
[ppp.git] / pppstats / pppstats.c
index 0e988a67b6a78b78ade901138c65734b16fee54c..3388f7978a12acbf841c28a7ccad1bc802c1ada5 100644 (file)
@@ -1,10 +1,11 @@
 /*
  * print PPP statistics:
- *     pppstats [-a] [-v] [-r] [-z] [-c count] [-w wait] [interface]
+ *     pppstats [-a|-d] [-v|-r|-z] [-c count] [-w wait] [interface]
  *
  *   -a Show absolute values rather than deltas
- *   -v Verbose mode for default display
- *   -r Show compression ratio in default display
+ *   -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:
@@ -31,7 +32,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: pppstats.c,v 1.13 1996/07/01 01:22:36 paulus Exp $";
+static char rcsid[] = "$Id: pppstats.c,v 1.16 1996/09/14 05:13:25 paulus Exp $";
 #endif
 
 #include <stdio.h>
@@ -61,6 +62,7 @@ static char rcsid[] = "$Id: pppstats.c,v 1.13 1996/07/01 01:22:36 paulus Exp $";
 
 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;
@@ -69,10 +71,15 @@ int signalled;              /* set if alarm goes off "early" */
 char   *progname;
 char   *interface;
 
+#if defined(SUNOS4)
+extern int optind;
+extern char *optarg;
+#endif
+
 void
 usage()
 {
-    fprintf(stderr, "Usage: %s [-v|-r|-z] [-a] [-c count] [-w wait] [interface]\n",
+    fprintf(stderr, "Usage: %s [-a|-d] [-v|-r|-z] [-c count] [-w wait] [interface]\n",
            progname);
     exit(1);
 }
@@ -223,6 +230,8 @@ get_ppp_cstats(csp)
 #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
@@ -234,6 +243,8 @@ intpr()
 {
     register int line = 0;
     sigset_t oldmask, mask;
+    char *bunit;
+    int ratef = 0;
     struct ppp_stats cur, old;
     struct ppp_comp_stats ccs, ocs;
 
@@ -253,8 +264,9 @@ intpr()
            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");
+               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");
@@ -279,24 +291,40 @@ intpr()
        }
 
        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);
+           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 {
-
-           printf("%8u %6u %6u",
-                  V(p.ppp_ibytes),
+           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)
@@ -308,11 +336,18 @@ intpr()
                       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",
+           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));
@@ -324,11 +359,13 @@ intpr()
                printf(" %6u %6u",
                       V(vj.vjs_searches),
                       V(vj.vjs_misses));
-
-           if (rflag)
-               printf(" %6.2f %6u",
-                      CRATE(c),
-                      W(c.unc_bytes));
+           if (rflag) {
+               printf(" %6.2f ", CRATE(c));
+               if (ratef)
+                   printf("%6.2f", KBPS(W(c.unc_bytes)));
+               else
+                   printf("%6u", W(c.unc_bytes));
+           }
 
        }
 
@@ -354,6 +391,7 @@ intpr()
        if (!aflag) {
            old = cur;
            ocs = ccs;
+           ratef = dflag;
        }
     }
 }
@@ -364,6 +402,9 @@ main(argc, argv)
     char *argv[];
 {
     int c;
+#ifdef STREAMS
+    char *dev;
+#endif
 
     interface = "ppp0";
     if ((progname = strrchr(argv[0], '/')) == NULL)
@@ -371,11 +412,14 @@ main(argc, argv)
     else
        ++progname;
 
-    while ((c = getopt(argc, argv, "avrzc:w:")) != -1) {
+    while ((c = getopt(argc, argv, "advrzc:w:")) != -1) {
        switch (c) {
        case 'a':
            ++aflag;
            break;
+       case 'd':
+           ++dflag;
+           break;
        case 'v':
            ++vflag;
            break;
@@ -408,6 +452,8 @@ main(argc, argv)
        infinite = 1;
     if (!interval && !count)
        count = 1;
+    if (aflag)
+       dflag = 0;
 
     if (argc > 1)
        usage();
@@ -429,6 +475,11 @@ main(argc, argv)
            perror("couldn't create IP socket");
            exit(1);
        }
+
+#ifdef _linux_
+#undef  ifr_name
+#define ifr_name ifr_ifrn.ifrn_name
+#endif
        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",
@@ -438,9 +489,14 @@ main(argc, argv)
     }
 
 #else  /* STREAMS */
-    if ((s = open("/dev/ppp", O_RDONLY)) < 0) {
-       fprintf(stderr, "%s: ", progname);
-       perror("couldn't open /dev/ppp");
+#ifdef __osf__
+    dev = "/dev/streams/ppp";
+#else
+    dev = "/dev/ppp";
+#endif
+    if ((s = open(dev, O_RDONLY)) < 0) {
+       fprintf(stderr, "%s: couldn't open ", progname);
+       perror(dev);
        exit(1);
     }
     if (strioctl(s, PPPIO_ATTACH, &unit, sizeof(int), 0) < 0) {