/home/vlg/develop/libASSA/libassa/assa/Address.h

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// -*- c++ -*-
//------------------------------------------------------------------------------
//                           Address.h
//------------------------------------------------------------------------------
//  Copyright (C) 1997  Vladislav Grinchenko 
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Library General Public
//  License as published by the Free Software Foundation; either
//  version 2 of the License, or (at your option) any later version.
//------------------------------------------------------------------------------
#ifndef ADDRESS_H
#define ADDRESS_H

#if !defined (WIN32)
#  include <netinet/in.h>
#  include <netdb.h>
#  include <sys/types.h>
#  include <sys/socket.h>
#  include <netinet/in.h>
#  include <arpa/inet.h>        // addresses handling
#  include <sys/un.h>
#endif

#include <string.h>
#include <errno.h>

#include "assa/Logger.h"
#include "assa/Assure.h"

namespace ASSA {

typedef struct sockaddr SA;           // stolen from R.Stevens
typedef struct sockaddr_in SA_IN;

#if defined (WIN32)
struct sockaddr_un 
{
    short sun_family;                 /* AF_UNIX   */
    char  sun_path [108];             /* Path name */
};
#endif

typedef struct sockaddr_un SA_UN;   

class Address {
public:
    enum addr_state_t { 
        goodbit=0,              
        badbit=1                
    };
    typedef int addrstate;

private:
    unsigned char m_state;

public:
    Address () : m_state (Address::goodbit) { trace("Address::Address");    }

    virtual ~Address() {}

    bool good() const { return m_state == 0; }

    bool bad() const { return m_state & Address::badbit; }

    operator void* () const { return (void*) good (); }

    bool operator! () const { return bad (); }
    

    virtual const int getLength() const = 0;

    virtual SA* getAddress() const = 0;
    
    virtual void dump () 
        {   
            trace("Address");
            DL((TRACE,"state   - %s\n", good () ? "good" : "bad"));
        }

protected:
    void setstate (addrstate flag_) { m_state |= flag_; }
};

} // end namespace ASSA

#endif /* ADDRESS_H */

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