Subversion Repositories shark

/*

 * Project: S.Ha.R.K.

 *

 * Coordinators:

 *   Giorgio Buttazzo    <giorgio@sssup.it>

 *   Paolo Gai           <pj@gandalf.sssup.it>

 *

 * Authors     :

 *   Paolo Gai           <pj@gandalf.sssup.it>

 *   Massimiliano Giorgi <massy@gandalf.sssup.it>

 *   Luca Abeni          <luca@gandalf.sssup.it>

 *   (see the web pages for full authors list)

 *

 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)

 *

 * http://www.sssup.it

 * http://retis.sssup.it

 * http://shark.sssup.it

 */

/*

 * Copyright (C) 2000 Massimiliano Giorgi

 * Copyright (C) 2002 Paolo Gai

 * Copyright (C) 2002 Tomas Lenvall

 *

 * This program 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.

 *

 * This program 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 this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * CVS :        $Id: udpdump.c,v 1.1.1.1 2004-05-24 18:03:44 giacomo Exp $

 */

/* this example simply prints a Shark trace file */

// INCLUDES

#include <netinet/in.h>

#include "types.h" 

#include "trace.h"

#include "util.h"

#include <sys/socket.h>

#include <netinet/in.h>

#include <arpa/inet.h>

#include <netdb.h>

#include <stdio.h>

#include <unistd.h>/* close() */

#include <string.h> /* memset() */

#include <stdlib.h>

// GLOBALS

char server_ipaddr[20]; // Store the IP adress of the server

// DEFINES

#define LOCAL_SERVER_PORT 20000

#define MAX_MSG 10000

// FUNCTIONS

/* */

int dumpsys(trc_system_event_t *sys)

{

  printf("%02i\n",sys->task);

  return 0;

}

/* */

int dumpusr(trc_user_event_t *usr)

{

  printf("%8li ",usr->n);

  printf("\n");

  return 0;

}

/* */

int dumpsem(trc_sem_event_t *sem)

{

  printf("on [%i]\n",sem->id);

  return 0;

}

/* */

int dumpfunc(trc_event_t *ev)

{

  static int counter=0;

  printf("\t%4i ",counter);

  counter++;

  printf("%12s ",format_time(ev->time));

  printf("%-10s ",event_name(ev->event));

  //printf("%08x\n",(unsigned)ev->sys.event);

  //return 0;

  switch(event_class(ev->event)) {

    case TRC_CLASS_SYSTEM: return dumpsys(&ev->x.sys);

    case TRC_CLASS_USER:   return dumpusr(&ev->x.usr);

    case TRC_CLASS_SEM:    return dumpsem(&ev->x.sem);

  }

  printf("\nEVENT %i... CLASS %i UNKNOWN!\n",ev->event,event_class(ev->event));

  return -1;

}

/* Use UDP/IP to receive the events from the client computer */

int main(int argc, char *argv[])

{

  int sd, rc, n, cliLen;

  struct sockaddr_in cliAddr, servAddr;

  char msg[MAX_MSG];

  // socket creation

  sd = socket(AF_INET, SOCK_DGRAM, 0);

  if(sd < 0) {

    printf("%s: cannot open socket \n",argv[0]);

    exit(1);

  }

  // bind local server port

  servAddr.sin_family = AF_INET;

  servAddr.sin_addr.s_addr = htonl(INADDR_ANY);

  servAddr.sin_port = htons(LOCAL_SERVER_PORT);

  rc = bind (sd, (struct sockaddr *)&servAddr,sizeof(servAddr));

  if(rc < 0) {

    printf("%s: cannot bind port number %d \n",

           argv[0], LOCAL_SERVER_PORT);

    exit(1);

  }

  while(1){

    // init buffer

    memset(msg, 0x0, MAX_MSG);

    // receive message

    cliLen = sizeof(cliAddr);

    n = recvfrom(sd, msg, MAX_MSG, 0,(struct sockaddr *)&cliAddr, &cliLen);

    printf("Packet received, length %d, %d tracer events.\n", n,

           *((short int *)msg));

    if(n < 0) {

      printf("%s: cannot receive data \n",argv[0]);

      continue;

    }

    // Read the trace we got from the network

    read_udp_trace(msg, dumpfunc);

  }

  return 0;

}

// test main: testing this program from a file (simulating a network package)

// ONLY USED FOR TESTING!!!

/*int main(int argc, char *argv[])

{

  FILE* fin;

  int nr_of_events = 0;

  trc_event_t buffer;

  char all_events[1000];

  char tmpbuf[2];

   if(argc != 2) {

    printf("Missing filename!\n");

    return -1;

  }

  // open the file and send event by event

  fin = fopen(argv[1], "r");

  if (fin == NULL) {

    printf("Cannot open file\n");

    return -1;

  }

  // check how many events

  while (!feof(fin)) {

    fread(&buffer, sizeof(trc_event_t), 1, fin);

    nr_of_events++;

  }

  //printf("Nr of events: %d\n", nr_of_events);

  rewind(fin); // start from the beginning again...

  //strncpy(tmpbuf, itoa(nr_of_events), 2);

  sprintf(tmpbuf, "%d", nr_of_events);

  //printf("tmpbuf: %s\n", tmpbuf);

  memset(all_events, 0, 1000);

  memcpy(all_events, tmpbuf, 2);

  printf("all_events(1): %s\n", all_events);

  // read all tracer events and store them in an array

  fread(all_events + 2, sizeof(trc_event_t), nr_of_events, fin);

  fclose(fin);

  printf("all_events(2): %s\n", all_events);

  // send it to the event reader

  read_trace(all_events, dumpfunc);

  return 1;  

}

*/