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📄 Makefile(1.66 KB)
📄 Makefile.depend(435 B)
📄 README.changes(7.26 KB)
📄 README.nat(14.85 KB)
📄 acf.c(3.51 KB)
📄 acf.h(1.5 KB)
📄 arp.c(8.24 KB)
📄 arp.h(1.76 KB)
📄 async.c(5.39 KB)
📄 async.h(1.9 KB)
📄 auth.c(12.02 KB)
📄 auth.h(2.69 KB)
📄 bundle.c(56.37 KB)
📄 bundle.h(7.7 KB)
📄 cbcp.c(22.53 KB)
📄 cbcp.h(2.51 KB)
📄 ccp.c(23.33 KB)
📄 ccp.h(5.53 KB)
📄 chap.c(27 KB)
📄 chap.h(2.69 KB)
📄 chap_ms.c(12.22 KB)
📄 chap_ms.h(2.48 KB)
📄 chat.c(20.41 KB)
📄 chat.h(2.92 KB)
📄 command.c(101.76 KB)
📄 command.h(3.02 KB)
📄 datalink.c(42.89 KB)
📄 datalink.h(6.11 KB)
📄 deflate.c(15.89 KB)
📄 deflate.h(1.52 KB)
📄 defs.c(8.61 KB)
📄 defs.h(5.41 KB)
📄 descriptor.h(2.24 KB)
📄 ether.c(20.81 KB)
📄 ether.h(1.73 KB)
📄 exec.c(11.47 KB)
📄 exec.h(1.67 KB)
📄 filter.c(15.76 KB)
📄 filter.h(3.8 KB)
📄 fsm.c(31.01 KB)
📄 fsm.h(7.02 KB)
📄 hdlc.c(15.17 KB)
📄 hdlc.h(3.9 KB)
📄 i4b.h(1.73 KB)
📄 id.c(6.05 KB)
📄 id.h(3.01 KB)
📄 iface.c(22.41 KB)
📄 iface.h(2.97 KB)
📄 ip.c(30.21 KB)
📄 ip.h(2.09 KB)
📄 ipcp.c(42.99 KB)
📄 ipcp.h(5.14 KB)
📄 iplist.c(5.54 KB)
📄 iplist.h(1.99 KB)
📄 ipv6cp.c(21.9 KB)
📄 ipv6cp.h(3.26 KB)
📄 layer.h(1.97 KB)
📄 lcp.c(39.22 KB)
📄 lcp.h(6.3 KB)
📄 link.c(10.36 KB)
📄 link.h(3.42 KB)
📄 log.c(11.33 KB)
📄 log.h(4.14 KB)
📄 lqr.c(17.5 KB)
📄 lqr.h(3.31 KB)
📄 main.c(17.93 KB)
📄 main.h(1.6 KB)
📄 mbuf.c(10.02 KB)
📄 mbuf.h(4 KB)
📄 mp.c(33.66 KB)
📄 mp.h(4.87 KB)
📄 mppe.c(20.27 KB)
📄 mppe.h(1.57 KB)
📄 nat_cmd.c(15.37 KB)
📄 nat_cmd.h(1.88 KB)
📄 ncp.c(13.17 KB)
📄 ncp.h(4.36 KB)
📄 ncpaddr.c(23.06 KB)
📄 ncpaddr.h(4.63 KB)
📄 netgraph.c(20.65 KB)
📄 netgraph.h(1.72 KB)
📄 pap.c(8.83 KB)
📄 pap.h(1.78 KB)
📄 physical.c(29.01 KB)
📄 physical.h(6.5 KB)
📄 ppp.8(149.48 KB)
📄 ppp.conf(1.23 KB)
📄 pred.c(8.83 KB)
📄 pred.h(1.59 KB)
📄 probe.c(2.29 KB)
📄 probe.h(1.57 KB)
📄 prompt.c(12.92 KB)
📄 prompt.h(3.87 KB)
📄 proto.c(3.22 KB)
📄 proto.h(2.4 KB)
📄 radius.c(39.38 KB)
📄 radius.h(4.6 KB)
📄 route.c(25.91 KB)
📄 route.h(3.3 KB)
📄 server.c(10.9 KB)
📄 server.h(2.26 KB)
📄 sig.c(3.45 KB)
📄 sig.h(1.6 KB)
📄 slcompress.c(17.2 KB)
📄 slcompress.h(6.48 KB)
📄 sync.c(2.7 KB)
📄 sync.h(1.44 KB)
📄 systems.c(11.45 KB)
📄 systems.h(2.02 KB)
📄 tcp.c(5.63 KB)
📄 tcp.h(1.66 KB)
📄 tcpmss.c(5.06 KB)
📄 tcpmss.h(1.44 KB)
📄 throughput.c(8.84 KB)
📄 throughput.h(2.91 KB)
📄 timer.c(8.14 KB)
📄 timer.h(2.31 KB)
📄 tty.c(20.63 KB)
📄 tty.h(1.73 KB)
📄 tun.c(3.27 KB)
📄 tun.h(1.58 KB)
📄 ua.h(2.98 KB)
📄 udp.c(8.7 KB)
📄 udp.h(1.67 KB)
📄 vjcomp.c(5.68 KB)
📄 vjcomp.h(1.53 KB)

Editing: throughput.c

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * 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.
 *
 * $FreeBSD$
 */

#include <sys/types.h>

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <termios.h>
#include <time.h>

#include "log.h"
#include "timer.h"
#include "throughput.h"
#include "descriptor.h"
#include "prompt.h"

void
throughput_init(struct pppThroughput *t, int period)
{
  t->OctetsIn = t->OctetsOut = t->PacketsIn = t->PacketsOut = 0;
  t->SamplePeriod = period;
  t->in.SampleOctets = (long long *)
    calloc(period, sizeof *t->in.SampleOctets);
  t->in.OctetsPerSecond = 0;
  t->out.SampleOctets = (long long *)
    calloc(period, sizeof *t->out.SampleOctets);
  t->out.OctetsPerSecond = 0;
  t->BestOctetsPerSecond = 0;
  t->nSample = 0;
  time(&t->BestOctetsPerSecondTime);
  memset(&t->Timer, '\0', sizeof t->Timer);
  t->Timer.name = "throughput";
  t->uptime = 0;
  t->downtime = 0;
  t->rolling = 0;
  t->callback.data = NULL;
  t->callback.fn = NULL;
  throughput_stop(t);
}

void
throughput_destroy(struct pppThroughput *t)
{
  if (t && t->in.SampleOctets) {
    throughput_stop(t);
    free(t->in.SampleOctets);
    free(t->out.SampleOctets);
    t->in.SampleOctets = NULL;
    t->out.SampleOctets = NULL;
  }
}

int
throughput_uptime(struct pppThroughput *t)
{
  time_t downat;

downat = t->downtime ? t->downtime : time(NULL);
  if (t->uptime && downat < t->uptime) {
    /* Euch !  The clock's gone back ! */
    int i;

for (i = 0; i < t->SamplePeriod; i++)
      t->in.SampleOctets[i] = t->out.SampleOctets[i] = 0;
    t->nSample = 0;
    t->uptime = downat;
  }
  return t->uptime ? downat - t->uptime : 0;
}

void
throughput_disp(struct pppThroughput *t, struct prompt *prompt)
{
  int secs_up, divisor;

secs_up = throughput_uptime(t);
  prompt_Printf(prompt, "Connect time: %d:%02d:%02d", secs_up / 3600,
                (secs_up / 60) % 60, secs_up % 60);
  if (t->downtime)
    prompt_Printf(prompt, " - down at %s", ctime(&t->downtime));
  else
    prompt_Printf(prompt, "\n");

divisor = secs_up ? secs_up : 1;
  prompt_Printf(prompt, "%llu octets in, %llu octets out\n",
                t->OctetsIn, t->OctetsOut);
  prompt_Printf(prompt, "%llu packets in, %llu packets out\n",
                t->PacketsIn, t->PacketsOut);
  if (t->rolling) {
    prompt_Printf(prompt, "  overall   %6llu bytes/sec\n",
                  (t->OctetsIn + t->OctetsOut) / divisor);
    prompt_Printf(prompt, "  %s %6llu bytes/sec in, %6llu bytes/sec out "
                  "(over the last %d secs)\n",
                  t->downtime ? "average  " : "currently",
                  t->in.OctetsPerSecond, t->out.OctetsPerSecond,
                  secs_up > t->SamplePeriod ? t->SamplePeriod : secs_up);
    prompt_Printf(prompt, "  peak      %6llu bytes/sec on %s",
                  t->BestOctetsPerSecond, ctime(&t->BestOctetsPerSecondTime));
  } else
    prompt_Printf(prompt, "Overall %llu bytes/sec\n",
                  (t->OctetsIn + t->OctetsOut) / divisor);
}

void
throughput_log(struct pppThroughput *t, int level, const char *title)
{
  if (t->uptime) {
    int secs_up;

secs_up = throughput_uptime(t);
    if (title == NULL)
      title = "";
    log_Printf(level, "%s%sConnect time: %d secs: %llu octets in, %llu octets"
               " out\n", title, *title ? ": " : "", secs_up, t->OctetsIn,
               t->OctetsOut);
    log_Printf(level, "%s%s%llu packets in, %llu packets out\n",
               title, *title ? ": " : "",  t->PacketsIn, t->PacketsOut);
    if (secs_up == 0)
      secs_up = 1;
    if (t->rolling)
      log_Printf(level, " total %llu bytes/sec, peak %llu bytes/sec on %s",
                 (t->OctetsIn + t->OctetsOut) / secs_up, t->BestOctetsPerSecond,
                 ctime(&t->BestOctetsPerSecondTime));
    else
      log_Printf(level, " total %llu bytes/sec\n",
                 (t->OctetsIn + t->OctetsOut) / secs_up);
  }
}

static void
throughput_sampler(void *v)
{
  struct pppThroughput *t = (struct pppThroughput *)v;
  unsigned long long old;
  int uptime, divisor;
  unsigned long long octets;

timer_Stop(&t->Timer);

uptime = throughput_uptime(t);
  divisor = uptime < t->SamplePeriod ? uptime + 1 : t->SamplePeriod;

old = t->in.SampleOctets[t->nSample];
  t->in.SampleOctets[t->nSample] = t->OctetsIn;
  t->in.OctetsPerSecond = (t->in.SampleOctets[t->nSample] - old) / divisor;

old = t->out.SampleOctets[t->nSample];
  t->out.SampleOctets[t->nSample] = t->OctetsOut;
  t->out.OctetsPerSecond = (t->out.SampleOctets[t->nSample] - old) / divisor;

octets = t->in.OctetsPerSecond + t->out.OctetsPerSecond;
  if (t->BestOctetsPerSecond < octets) {
    t->BestOctetsPerSecond = octets;
    time(&t->BestOctetsPerSecondTime);
  }

if (++t->nSample == t->SamplePeriod)
    t->nSample = 0;

if (t->callback.fn != NULL && uptime >= t->SamplePeriod)
    (*t->callback.fn)(t->callback.data);

timer_Start(&t->Timer);
}

void
throughput_start(struct pppThroughput *t, const char *name, int rolling)
{
  int i;
  timer_Stop(&t->Timer);

for (i = 0; i < t->SamplePeriod; i++)
    t->in.SampleOctets[i] = t->out.SampleOctets[i] = 0;
  t->nSample = 0;
  t->OctetsIn = t->OctetsOut = t->PacketsIn = t->PacketsOut = 0;
  t->in.OctetsPerSecond = t->out.OctetsPerSecond = t->BestOctetsPerSecond = 0;
  time(&t->BestOctetsPerSecondTime);
  t->downtime = 0;
  time(&t->uptime);
  throughput_restart(t, name, rolling);
}

void
throughput_restart(struct pppThroughput *t, const char *name, int rolling)
{
  timer_Stop(&t->Timer);
  t->rolling = rolling ? 1 : 0;
  if (t->rolling) {
    t->Timer.load = SECTICKS;
    t->Timer.func = throughput_sampler;
    t->Timer.name = name;
    t->Timer.arg = t;
    timer_Start(&t->Timer);
  } else {
    t->Timer.load = 0;
    t->Timer.func = NULL;
    t->Timer.name = NULL;
    t->Timer.arg = NULL;
  }
}

void
throughput_stop(struct pppThroughput *t)
{
  if (t->Timer.state != TIMER_STOPPED)
    time(&t->downtime);
  timer_Stop(&t->Timer);
}

void
throughput_addin(struct pppThroughput *t, long long n)
{
  t->OctetsIn += n;
  t->PacketsIn++;
}

void
throughput_addout(struct pppThroughput *t, long long n)
{
  t->OctetsOut += n;
  t->PacketsOut++;
}

void
throughput_clear(struct pppThroughput *t, int clear_type, struct prompt *prompt)
{
  if (clear_type & (THROUGHPUT_OVERALL|THROUGHPUT_CURRENT)) {
    int i;

for (i = 0; i < t->SamplePeriod; i++)
      t->in.SampleOctets[i] = t->out.SampleOctets[i] = 0;
    t->nSample = 0;
  }

if (clear_type & THROUGHPUT_OVERALL) {
    int divisor;

if ((divisor = throughput_uptime(t)) == 0)
      divisor = 1;
    prompt_Printf(prompt, "overall cleared (was %6llu bytes/sec)\n",
                  (t->OctetsIn + t->OctetsOut) / divisor);
    t->OctetsIn = t->OctetsOut = t->PacketsIn = t->PacketsOut = 0;
    t->downtime = 0;
    time(&t->uptime);
  }

if (clear_type & THROUGHPUT_CURRENT) {
    prompt_Printf(prompt, "current cleared (was %6llu bytes/sec in,"
                  " %6llu bytes/sec out)\n",
                  t->in.OctetsPerSecond, t->out.OctetsPerSecond);
    t->in.OctetsPerSecond = t->out.OctetsPerSecond = 0;
  }

if (clear_type & THROUGHPUT_PEAK) {
    char *time_buf, *last;

time_buf = ctime(&t->BestOctetsPerSecondTime);
    last = time_buf + strlen(time_buf);
    if (last > time_buf && *--last == '\n')
      *last = '\0';
    prompt_Printf(prompt, "peak    cleared (was %6llu bytes/sec on %s)\n",
                  t->BestOctetsPerSecond, time_buf);
    t->BestOctetsPerSecond = 0;
    time(&t->BestOctetsPerSecondTime);
  }
}

void
throughput_callback(struct pppThroughput *t, void (*fn)(void *), void *data)
{
  t->callback.fn = fn;
  t->callback.data = data;
}

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Editing: throughput.c

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