128 lines
3.0 KiB
C
128 lines
3.0 KiB
C
/*
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* $Id: throughput.c,v 1.2 1997/11/22 03:37:52 brian Exp $
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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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