Knowledge Base Nr: 00015 profilefunktion.cpp - http://www.swe-kaiser.de

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profiler-funktion für logfile schreiben

  
/****** Datum und Zeit in String schreiben ******/

void db_make_timestr(char *str, time_t *clk, int mode)
{
/* Abkürzungen der Monatsnamen für Funktion make_timestr() : */
  static char monat[12][4]=
    { "JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC" };
  static char mon[12][3]=
    { "01","02","03","04","05","06","07","08","09","10","11","12" };
  struct tm *newtime;
  char  s[30];

  newtime=localtime(clk);
  strcpy(s,asctime(newtime));

  if (mode==1)          /* Form:  DD-MON-YYYY HH24:MI */
    sprintf(str,"%.2s-%s-%.4s %.5s",s+8,monat[newtime->tm_mon],s+20,s+11);
  else if (mode==2)     /* Form:  DD.MN.YYYY HH24:MI:SS */
    sprintf(str,"%.2s.%.2s.%.4s %.8s",s+8,mon[newtime->tm_mon],s+20,s+11);
  else
    printf("INTERNAL ERROR: Wrong mode parameter at db_make_timestr() !\n");
}

/****** Meldung ins Logfile schreiben ******/

void db_profilefunc(FILE *fp, char *szFuncname, int nAction, char *szHint)  /* nAction: PROF_START,PROF_END else:unknown */
{
  char  szTime[20] = {0};
  time_t tStart;        /* Variable für Systemzeit */

  struct timeval now;
  static long s_nStart = 0;
  long nEnd = 0;

  if (0)  /* disable/enable profiling */
    return;

  if (!fp)
    return;

  time(&tStart);        /* Systemzeit holen */
  db_make_timestr(szTime, &tStart, 2);

  if (nAction == PROF_START)   /*start*/
  {
    gettimeofday(&now, 0);
    s_nStart = (now.tv_usec / 1000) + (now.tv_sec * 1000);    //ms

    fprintf(fp, "### profile start: %s() : %s %s\n", szFuncname, szTime, szHint);
  }
  else if (nAction == PROF_END)  /*end*/
  {
    gettimeofday(&now, 0);
    nEnd = (now.tv_usec / 1000) + (now.tv_sec * 1000);    //ms

    fprintf(fp, "### profile end: %s() takes %d ms : %s %s\n", szFuncname, nEnd-s_nStart, szTime, szHint);
  }
  else  /*unknown*/
  {
    fprintf(fp, "profile unknown: %s() : %s %s\n", szFuncname, szTime, szHint);
  }

  fflush(fp);
}