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/*
 * Project: S.Ha.R.K.
 *
 * Coordinators:
 *   Giorgio Buttazzo    <giorgio@sssup.it>
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *
 * Authors     :
 *    Giacomo Guidi      <giacomo@gandalf.sssup.it>
 *    Tullio Facchinetti <tullio.facchinetti@unipv.it>
 *
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
 *
 * http://www.sssup.it
 * http://retis.sssup.it
 * http://shark.sssup.it
 * http://robot.unipv.it
 */


#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>

#define READ_BUFFER 2000
#define DELTA_BUFFER 100

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

  char buffer[READ_BUFFER+DELTA_BUFFER];
  void *p, *last;
  int n,delta,size;
 
  unsigned long long tsc_value;

  unsigned long long ev = 0;

  FILE *input_file;
 
  if (argc < 2) {
    printf("%s: Enter the input file name [%s filename]\n",argv[0],argv[0]);
    exit(1);
  }

  input_file = fopen(argv[1],"rb");

  last = buffer + READ_BUFFER;

  while(!feof(input_file)) {
 
    //move remaining byte
    delta = (unsigned int)(buffer) + READ_BUFFER - (unsigned int)(last);
    if (delta > 0) memcpy(buffer,last,delta);    

    n = fread(buffer+delta,1,READ_BUFFER+10,input_file);
    fseek(input_file,-(delta+10),SEEK_CUR);

    p = buffer;

    while ((unsigned int)(p) + 16 <= (unsigned int)(buffer + READ_BUFFER) &&
           (unsigned int)(p) + 16 <= (unsigned int)(buffer + n + delta)) {

      printf("%08d Type = %02x ",(unsigned int)ev,*(unsigned short int *)(p));
 
      tsc_value = (unsigned long long)(*(unsigned int *)(p+4)) << 32;
      tsc_value += (unsigned long long)(*(unsigned int *)(p+8));
     
      printf("TSC = %llu (%08x:%08x)",tsc_value, *(unsigned int *)(p+4),*(unsigned int *)(p+8));

      size = 16;

      printf(" Par1 = %11d",*(unsigned short int *)(p+2));
      printf(" Par2 = %11d\n",*(unsigned int *)(p+12));

      ev++;
     
      p += 16;

      if ((unsigned int)(p) + 10 > (unsigned int)(buffer + n + delta)) break;

      last = p;
 
    }

    if ((unsigned int)(p) + 10 > (unsigned int)(buffer + n + delta)) break;
     
  }

  fclose(input_file);

  return 0;

}