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