+#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 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 is cumulative.
+ */
+static void
+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;
+
+ 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");
+ 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(" %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) {
+ 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_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;
+ }
+ }
+}
+