MNlogger.h

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/* Copyright (C) 2000 KOM/Darmstadt University of Technology
 *
 * You are allowed to use all other parts of the code under the following terms:
 *
 * For non-commercial use, code may be used in unmodified form provided
 * that this copyright notice and this permission notice appear in
 * supporting documentation.
 *
 * This software is provided "as is" and without any express or implied
 * warranties, including, without limitation, the implied warranty of
 * fitness for a particular purpose.
 *
 * The code may be subjected to the GNU General Public License, Version 2,
 * and re-distributed under the terms of this license.
 * As a special exception, permission is granted to link this code
 * with the Qt library and distribute executables, as long as you
 * follow the requirements of the GNU GPL in regard to all of the
 * software in the executable aside from Qt.
 *
 * Commercial use other than under the terms of the GNU General Public
 * License is allowed only after express negotiation of conditions
 * with the authors.
 */
#ifndef MNLOGGER_H
#define MNLOGGER_H

#include <config.h>

#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "mnstream.h"
#include "MNMsg.h"
#include "MNMutex.h"
#include "MNProtectedVar.h"
#include "dictionary.h"

#define DEBUGJ
#ifndef DEBUGJ
#undef MN_INFO
#define MN_INFO(a)
#endif

/**************************************************************
 * Klasse: MNlogger
 * Beschreibung: enthaelt die funktionalitaet  von logger (make logfiles)
 * September 99
 * names of logfiles are log_#.txt
 **************************************************************/
class MNlogger
{
private:
  typedef dictionary<int, ofstream*> Map;  /* only to lookup the fd  int userfd, int file desc*/
  
  /* vars */
  Map                ostr_list;
  MNMutex            ostr_mutex;
  ProtectedVar<int>  min_log_number;

  MNMutex            initialized;

  /* funcs */
  bool               file_exist(char* fname);
  ofstream*          open_file();
  
public:
  MNlogger();
  ~MNlogger();

  ostream&           log(int ufd);
};

#endif

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