Logger.h

/* hey emacs! -*- Mode: C++; c-file-style: "stroustrup"; indent-tabs-mode: nil -*- */
/*
 * Logger.h
 *   Header file for the Logger class
 *
 * $Id: Logger.h,v 1.7 2000/12/27 16:59:27 rex Exp $
 *
 * Copyright (c) 2000 Remi Lefebvre <remi@debian.org>
 *                and Luca Filipozzi <lfilipoz@debian.org>
 *
 * DDT comes with ABSOLUTELY NO WARRANTY and is licenced under the
 * GNU General Public License (version 2 or later). This license
 * can be retrieved from http://www.gnu.org/copyleft/gnu.html.
 *
 */

#ifndef LOGGER_H
#define LOGGER_H

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdio.h>
#include <syslog.h>

class Logger
{
  public:
    /*
    Logger (char* ident,        // identifier, usually program name
            int priority,       // syslog priority
            int facility,       // syslog facility, use -1 to disable
            char* fileName);    // file to log to, use "" to disable
     */

    static Logger* Instance();

    virtual ~Logger();

    int openSyslog(int facility, int priority);
    void closeSyslog();

    int openFilelog(char* fileName, int priority);
    void closeFilelog();

    int setSyslogPriority(int priority);

    int setFilelogPriority(int priority);

    int setIdent(char* ident);

    //void setPriority(int priority);

    void debug(const char* fmt, ...);
    void info(const char* fmt, ...);
    void notice(const char* fmt, ...);
    void warning(const char* fmt, ...);
    void error(const char* fmt, ...);
    void crit(const char* fmt, ...);

  protected:
    Logger(); /* hide the default constructor */

  private:
    //void log(int priority, const char *fmt, ...);
    void log(int priority, const char *string);

    char*           ident_;

    bool            isSyslogEnabled_;
    bool            isFilelogEnabled_;
    int             syslogPriority_;
    int             filelogPriority_;

    FILE*           file_;

    static Logger*  instance_;
};

#endif

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