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/*
* This file is part of libtrace
*
* Copyright (c) 2007 The University of Waikato, Hamilton, New Zealand.
* Authors: Daniel Lawson
* Perry Lorier
*
* All rights reserved.
*
* This code has been developed by the University of Waikato WAND
* research group. For further information please see http://www.wand.net.nz/
*
* libtrace is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* libtrace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with libtrace; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <signal.h>
#include <setjmp.h>
#include <unistd.h>
#include <sys/time.h>
#include <inttypes.h>
#include "libtrace.h"
#include "dagformat.h"
struct libtrace_t *trace;
#define ALPHA 0.9
static int docalc = 0;
typedef enum counter_type {
BYTES = 0,
PACKETS = 1
} counter_type_t;
typedef enum counter_frame {
INSTANT = 0,
SMOOTHED = 1
} counter_frame_t;
#define MAXCOUNTERTYPE (PACKETS + 1)
#define MAXCOUNTERFRAME (SMOOTHED + 1)
int32_t counter[MAXCOUNTERTYPE][MAXCOUNTERFRAME];
struct timeval current,last,diff,total;
static void secondreport() {
static int hdrcount = 10;
if (hdrcount >= 10) {
printf("Byte count: smoothed[instant] Packet count: smoothed[instant]\n");
hdrcount = 0;
}
hdrcount++;
counter[BYTES][SMOOTHED] = ALPHA * counter[BYTES][SMOOTHED] + (1 - ALPHA) * counter[BYTES][INSTANT];
counter[PACKETS][SMOOTHED] = ALPHA * counter[PACKETS][SMOOTHED] + (1 - ALPHA) * counter[PACKETS][INSTANT];
printf("\t\t%d[%d]\t\t\t%d[%d] \n",
counter[BYTES][SMOOTHED],
counter[BYTES][INSTANT],
counter[PACKETS][SMOOTHED],
counter[PACKETS][INSTANT]);
counter[BYTES][INSTANT] = 0;
counter[PACKETS][INSTANT] = 0;
docalc=0;
}
int main(int argc, char *argv[]) {
char *uri = 0;
int psize = 0;
struct libtrace_ip *ipptr = 0;
struct libtrace_packet_t *packet = trace_create_packet();
libtrace_err_t trace_err;
uint32_t last_second = 0;
double ts = 0.0;
if (argc == 2) {
uri = strdup(argv[1]);
}
// create an trace to uri
trace = trace_create(uri);
if (trace_is_err(trace)) {
trace_err = trace_get_err(trace);
printf("Error in trace_create: %s\n", trace_err.problem);
return -1;
}
trace_start(trace);
if (trace_is_err(trace)) {
trace_err = trace_get_err(trace);
printf("Error in trace_start: %s\n", trace_err.problem);
return -1;
}
for (;;) {
if ((psize = trace_read_packet(trace,packet)) < 1) {
// terminate
break;
}
if (psize == 0) {
continue;
}
if((ipptr = trace_get_ip(packet)) == 0) {
continue;
}
counter[BYTES][INSTANT] += ntohs(ipptr->ip_len);
counter[PACKETS][INSTANT] ++;
ts = trace_get_seconds(packet);
if(last_second == 0) {
last_second = ts;
} else if (last_second < ts) {
last_second = ts;
docalc++;
}
if(docalc) {
secondreport();
}
}
trace_destroy(trace);
return 0;
}
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