sockunix.h

《CODE READING》配套书源代码 《CODE READING》配套书源代码

// sockunix.h -*- C++ -*- socket library
// Copyright (C) 1992-1996 Gnanasekaran Swaminathan <[e-mail]>
//
// Permission is granted to use at your own risk and distribute this software
// in source and  binary forms provided  the above copyright notice and  this
// paragraph are  preserved on all copies.  This software is provided "as is"
// with no express or implied warranty.
//
// Version: 12Jan97 1.11

#ifndef _SOCKUNIX_H
#define	_SOCKUNIX_H

#include <sockstream.h>
#include <sys/un.h>

class sockunixaddr: public sockAddr, public sockaddr_un {
public:
                     ~sockunixaddr () {}
  		     sockunixaddr (const char* path);
  		     sockunixaddr (const sockunixaddr& suna);
  		     operator void* () const { return addr_un (); }

  sockaddr_un*       addr_un () const { return (sockaddr_un*)this; }
  int                size () const { return sizeof (sockaddr_un); }
  int                family () const { return sun_family; }
  sockaddr*          addr() const {return (sockaddr*) addr_un (); }
};

class sockunixbuf: public sockbuf {
public:
  enum domain { af_unix = AF_UNIX };
    
                     sockunixbuf (const sockbuf::sockdesc& sd);
  		     sockunixbuf (const sockunixbuf& su);
  		     sockunixbuf (sockbuf::type ty, int proto=0);
  sockunixbuf&       operator = (const sockunixbuf& su);
                     ~sockunixbuf () {}

  virtual void       bind (sockAddr& sa);
  void               bind (const char* path);

  virtual void       connect (sockAddr& sa);
  void               connect (const char* path);
};

class isockunix: public isockstream
{
public:
  		     isockunix (const sockbuf::sockdesc& sd);
                     isockunix (const sockunixbuf& sb);
  		     isockunix (sockbuf::type ty=sockbuf::sock_stream,
				int proto=0);
  		     ~isockunix();      

  sockunixbuf*       operator -> () { return (sockunixbuf*)rdbuf (); }
};

class osockunix: public osockstream
{
public:
  		     osockunix (const sockbuf::sockdesc& sd);
                     osockunix (const sockunixbuf& sb);
  		     osockunix (sockbuf::type ty=sockbuf::sock_stream,
				int proto=0);
  		     ~osockunix ();     

  sockunixbuf*	     operator -> () { return (sockunixbuf*)rdbuf (); }
};

class iosockunix: public iosockstream
{
public:
  		     iosockunix (const sockbuf::sockdesc& sd);
                     iosockunix (const sockunixbuf& sb);
  		     iosockunix (sockbuf::type ty=sockbuf::sock_stream,
				 int proto=0);
  		     ~iosockunix ();    

  sockunixbuf*       operator -> () { return (sockunixbuf*)rdbuf (); }
};

#endif	// _SOCKUNIX_H