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/*
* The Unix Channel
*
* by Michel Beaudouin-Lafon
*
* Copyright 1990-1997
* Laboratoire de Recherche en Informatique (LRI)
*
* Addresses
*
* $Id$
* $CurLog$
*/
#ifndef Address_H_
#define Address_H_
#include "cplus_bugs.h"
#include "ccu/bool.h"
#include "ccu/word.h"
#include "ccu/String.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#ifdef UNIX_SOCK
#include <sys/un.h>
#endif
#ifndef AF_UNIX
#define AF_UNIX AF_UNSPEC
#endif
union gen_addr {
struct sockaddr sa; // default
#ifdef UNIX_SOCK
struct sockaddr_un su; // unix
#endif
struct sockaddr_in si; // inet
};
typedef struct sockaddr SockAddr;
/* this union is useful for adresses returned by system calls */
typedef union gen_addr GEN_ADDR;
class UchAddress {
protected:
bool Valid;
public:
UchAddress ();
virtual ~UchAddress ();
bool IsValid () const { return Valid; }
virtual int Family () = 0; // AF_UNSPEC, AF_UNIX, AF_INET
virtual int Length () = 0;
virtual SockAddr* GetSockAddr () = 0;
virtual char* StrRepr (char* buf) = 0;
static UchAddress* Decode (GEN_ADDR*, int);
};
class UchInetAddress : public UchAddress {
protected:
CcuString HostName;
bool HasHostName;
struct sockaddr_in Addr;
const char* GetNoHostName ();
public:
UchInetAddress ();
UchInetAddress (lword, sword); // hostid, port#
UchInetAddress (const char*, sword = 0); // hostname, port#
~UchInetAddress ();
int Family ();
int Length ();
SockAddr* GetSockAddr ();
inline sword Port () { return Addr.sin_port; }
inline lword Host () { return Addr.sin_addr.s_addr; }
char* StrRepr (char* buf = 0);
const char* GetHostName ();
static lword LoopBack ();
};
#ifndef INADDR_LOOPBACK
#define INADDR_LOOPBACK (INET_ADDR::LoopBack ())
#endif
#define ANYADDR ((lword) INADDR_ANY)
#define LOOPBACK ((lword) INADDR_LOOPBACK)
#define BROADCAST ((lword) INADDR_BROADCAST)
#ifdef UNIX_SOCK
class UchUnixAddress : public UchAddress {
protected:
struct sockaddr_un Addr;
public:
UchUnixAddress ();
UchUnixAddress (const char*);
~UchUnixAddress ();
int Family ();
int Length ();
SockAddr* GetSockAddr ();
char* StrRepr (char* buf);
};
#endif /* UNIX_ADDR */
#endif /* Address_H_ */
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