1 files changed, 151 insertions, 0 deletions
diff --git a/usr.sbin/ppp/throughput.c b/usr.sbin/ppp/throughput.c
new file mode 100644
index 000000000000..1901b5c9de63
--- /dev/null
+++ b/usr.sbin/ppp/throughput.c
@@ -0,0 +1,151 @@
+/*-
+ * Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	$Id$
+ */
+
+#include <sys/param.h>
+
+#include <stdio.h>
+#include <time.h>
+#include <netinet/in.h>
+
+#include "command.h"
+#include "mbuf.h"
+#include "log.h"
+#include "timer.h"
+#include "throughput.h"
+#include "defs.h"
+#include "loadalias.h"
+#include "vars.h"
+
+void
+throughput_init(struct pppThroughput *t)
+{
+  int f;
+
+  t->OctetsIn = t->OctetsOut = 0;
+  for (f = 0; f < SAMPLE_PERIOD; f++)
+    t->SampleOctets[f] = 0;
+  t->OctetsPerSecond = t->BestOctetsPerSecond = t->nSample = 0;
+  throughput_stop(t);
+}
+
+void
+throughput_disp(struct pppThroughput *t, FILE *f)
+{
+  int secs_up;
+
+  secs_up = t->uptime ? time(NULL) - t->uptime : 0;
+  fprintf(f, "Connect time: %d secs\n", secs_up);
+  if (secs_up == 0)
+    secs_up = 1;
+  fprintf(f, "%ld octets in, %ld octets out\n", t->OctetsIn, t->OctetsOut);
+  if (Enabled(ConfThroughput)) {
+    fprintf(f, "  overall   %5ld bytes/sec\n",
+            (t->OctetsIn+t->OctetsOut)/secs_up);
+    fprintf(f, "  currently %5d bytes/sec\n", t->OctetsPerSecond);
+    fprintf(f, "  peak      %5d bytes/sec\n", t->BestOctetsPerSecond);
+  } else
+    fprintf(f, "Overall %ld bytes/sec\n", (t->OctetsIn+t->OctetsOut)/secs_up);
+}
+
+
+void
+throughput_log(struct pppThroughput *t, int level, const char *title)
+{
+  if (t->uptime) {
+    int secs_up;
+
+    secs_up = t->uptime ? time(NULL) - t->uptime : 0;
+    if (title)
+      LogPrintf(level, "%s: Connect time: %d secs: %ld octets in, %ld octets"
+                " out\n", title, secs_up, t->OctetsIn, t->OctetsOut);
+    else
+      LogPrintf(level, "Connect time: %d secs: %ld octets in, %ld octets out\n",
+                secs_up, t->OctetsIn, t->OctetsOut);
+    if (secs_up == 0)
+      secs_up = 1;
+    if (Enabled(ConfThroughput))
+      LogPrintf(level, " total %ld bytes/sec, peak %d bytes/sec\n",
+                (t->OctetsIn+t->OctetsOut)/secs_up, t->BestOctetsPerSecond);
+    else
+      LogPrintf(level, " total %ld bytes/sec\n",
+                (t->OctetsIn+t->OctetsOut)/secs_up);
+  }
+}
+
+static void
+throughput_sampler(void *v)
+{
+  struct pppThroughput *t = (struct pppThroughput *)v;
+  u_long old;
+
+  StopTimer(&t->Timer);
+  t->Timer.state = TIMER_STOPPED;
+
+  old = t->SampleOctets[t->nSample];
+  t->SampleOctets[t->nSample] = t->OctetsIn + t->OctetsOut;
+  t->OctetsPerSecond = (t->SampleOctets[t->nSample] - old) / SAMPLE_PERIOD;
+  if (t->BestOctetsPerSecond < t->OctetsPerSecond)
+    t->BestOctetsPerSecond = t->OctetsPerSecond;
+  if (++t->nSample == SAMPLE_PERIOD)
+    t->nSample = 0;
+
+  StartTimer(&t->Timer);
+}
+
+void
+throughput_start(struct pppThroughput *t)
+{
+  throughput_init(t);
+  time(&t->uptime);
+  if (Enabled(ConfThroughput)) {
+    t->Timer.state = TIMER_STOPPED;
+    t->Timer.load = SECTICKS;
+    t->Timer.func = throughput_sampler;
+    t->Timer.arg = t;
+    StartTimer(&t->Timer);
+  }
+}
+
+void
+throughput_stop(struct pppThroughput *t)
+{
+  if (Enabled(ConfThroughput))
+    StopTimer(&t->Timer);
+}
+
+void
+throughput_addin(struct pppThroughput *t, int n)
+{
+  t->OctetsIn += n;
+}
+
+void
+throughput_addout(struct pppThroughput *t, int n)
+{
+  t->OctetsOut += n;
+}