//
// Linux Daemon
//

/* prevent multiple inclusions */
#ifndef __Daemon__
#define __Daemon__

/* includes *****************************************************************/

#include <stdarg.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>

#include "LogData.h"

/* defines ******************************************************************/

/* macros *******************************************************************/

/* structs & typedefs *******************************************************/

/* c class definitions ******************************************************/

class Daemon {
    // public data
public:

    // protected data
protected:

    // private data
private:
    char    m_name[32];
    bool    m_debug;
    int     m_pid;

    // public methods
public:
    // constructors
    Daemon();
    Daemon( const char *name, int debug, int noclose );

    // destructor
    virtual ~Daemon();

    // public methods
    int     Daemonize( const char *name, int debug=0, int noclose=0 );
    void    Die( int code );

    void    SetDebug(bool debug) {m_debug = debug;};
    bool    GetDebug(void) {return m_debug;};
    bool    IsDebug(void) {return m_debug;};
    void    Dprintf( const char *fmt, ... );

    void    SetName(const char *s) {strncpy(m_name,s,sizeof(m_name)-1);};
    char    *GetName(void) {return m_name;};

    int     GetPid(void) {return m_pid;};

    // virtual functions
    virtual void DaemonStartup(void) {};
    virtual void DaemonShutdown(void) {};
    virtual void DaemonReload(void) {};

    // exceptions
    class DaemonException
    {
        char *toString(void) { return strerror(errno); };
    };

    // static methods to override
static int SignalAlarm(void) {return 1;};
static int SignalDeath(void) {return 1;};
static int SignalInterrupt(void) {return 1;};
static void SignalHup(void) {;};

    // private methods
private:
    // signal catchers (do not override)
static void signal_alarm(int signum);
static void signal_child(int signum);
static void signal_death(int signum);
static void signal_intrp(int signum);
static void signal_hup(int signum);
};

#endif