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1655 giacomo 1
/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *   Massimiliano Giorgi <massy@gandalf.sssup.it>
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 *   Luca Abeni          <luca@gandalf.sssup.it>
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 *   (see the web pages for full authors list)
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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/*
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 * Copyright (C) 2000 Massimiliano Giorgi
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 * Copyright (C) 2002 Paolo Gai
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 * Copyright (C) 2002 Tomas Lenvall
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 * CVS :        $Id: udpdump.c,v 1.1.1.1 2004-05-24 18:03:44 giacomo Exp $
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 */
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/* this example simply prints a Shark trace file */
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// INCLUDES
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#include <netinet/in.h>
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#include "types.h" 
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#include "trace.h"
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#include "util.h"
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <unistd.h>/* close() */
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#include <string.h> /* memset() */
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#include <stdlib.h>
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// GLOBALS
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char server_ipaddr[20]; // Store the IP adress of the server
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// DEFINES
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#define LOCAL_SERVER_PORT 20000
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#define MAX_MSG 10000
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// FUNCTIONS
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/* */
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int dumpsys(trc_system_event_t *sys)
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{
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  printf("%02i\n",sys->task);
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  return 0;
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}
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/* */
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int dumpusr(trc_user_event_t *usr)
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{
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  printf("%8li ",usr->n);
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  printf("\n");
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  return 0;
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}
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/* */
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int dumpsem(trc_sem_event_t *sem)
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{
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  printf("on [%i]\n",sem->id);
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  return 0;
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}
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/* */
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int dumpfunc(trc_event_t *ev)
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{
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  static int counter=0;
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  printf("\t%4i ",counter);
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  counter++;
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  printf("%12s ",format_time(ev->time));
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  printf("%-10s ",event_name(ev->event));
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  //printf("%08x\n",(unsigned)ev->sys.event);
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  //return 0;
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  switch(event_class(ev->event)) {
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    case TRC_CLASS_SYSTEM: return dumpsys(&ev->x.sys);
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    case TRC_CLASS_USER:   return dumpusr(&ev->x.usr);
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    case TRC_CLASS_SEM:    return dumpsem(&ev->x.sem);
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  }
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  printf("\nEVENT %i... CLASS %i UNKNOWN!\n",ev->event,event_class(ev->event));
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  return -1;
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}
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/* Use UDP/IP to receive the events from the client computer */
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int main(int argc, char *argv[])
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{
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  int sd, rc, n, cliLen;
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  struct sockaddr_in cliAddr, servAddr;
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  char msg[MAX_MSG];
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  // socket creation
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  sd = socket(AF_INET, SOCK_DGRAM, 0);
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  if(sd < 0) {
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    printf("%s: cannot open socket \n",argv[0]);
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    exit(1);
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  }
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  // bind local server port
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  servAddr.sin_family = AF_INET;
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  servAddr.sin_addr.s_addr = htonl(INADDR_ANY);
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  servAddr.sin_port = htons(LOCAL_SERVER_PORT);
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  rc = bind (sd, (struct sockaddr *)&servAddr,sizeof(servAddr));
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  if(rc < 0) {
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    printf("%s: cannot bind port number %d \n",
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           argv[0], LOCAL_SERVER_PORT);
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    exit(1);
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  }
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  while(1){
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    // init buffer
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    memset(msg, 0x0, MAX_MSG);
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    // receive message
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    cliLen = sizeof(cliAddr);
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    n = recvfrom(sd, msg, MAX_MSG, 0,(struct sockaddr *)&cliAddr, &cliLen);
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    printf("Packet received, length %d, %d tracer events.\n", n,
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           *((short int *)msg));
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    if(n < 0) {
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      printf("%s: cannot receive data \n",argv[0]);
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      continue;
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    }
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    // Read the trace we got from the network
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    read_udp_trace(msg, dumpfunc);
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  }
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  return 0;
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}
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// test main: testing this program from a file (simulating a network package)
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// ONLY USED FOR TESTING!!!
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/*int main(int argc, char *argv[])
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{
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  FILE* fin;
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  int nr_of_events = 0;
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  trc_event_t buffer;
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  char all_events[1000];
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  char tmpbuf[2];
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   if(argc != 2) {
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    printf("Missing filename!\n");
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    return -1;
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  }
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  // open the file and send event by event
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  fin = fopen(argv[1], "r");
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  if (fin == NULL) {
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    printf("Cannot open file\n");
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    return -1;
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  }
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  // check how many events
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  while (!feof(fin)) {
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    fread(&buffer, sizeof(trc_event_t), 1, fin);
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    nr_of_events++;
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  }
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  //printf("Nr of events: %d\n", nr_of_events);
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  rewind(fin); // start from the beginning again...
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  //strncpy(tmpbuf, itoa(nr_of_events), 2);
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  sprintf(tmpbuf, "%d", nr_of_events);
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  //printf("tmpbuf: %s\n", tmpbuf);
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  memset(all_events, 0, 1000);
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  memcpy(all_events, tmpbuf, 2);
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  printf("all_events(1): %s\n", all_events);
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  // read all tracer events and store them in an array
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  fread(all_events + 2, sizeof(trc_event_t), nr_of_events, fin);
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  fclose(fin);
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  printf("all_events(2): %s\n", all_events);
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  // send it to the event reader
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  read_trace(all_events, dumpfunc);
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  return 1;  
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}
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*/