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unix.h

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00001 // Copyright (C) 1999-2002 Open Source Telecom Corporation.
00002 //
00003 // This program is free software; you can redistribute it and/or modify
00004 // it under the terms of the GNU General Public License as published by
00005 // the Free Software Foundation; either version 2 of the License, or
00006 // (at your option) any later version.
00007 //
00008 // This program is distributed in the hope that it will be useful,
00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011 // GNU General Public License for more details.
00012 //
00013 // You should have received a copy of the GNU General Public License
00014 // along with this program; if not, write to the Free Software
00015 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00016 //
00017 // As a special exception to the GNU General Public License, permission is
00018 // granted for additional uses of the text contained in its release
00019 // of Common C++.
00020 //
00021 // The exception is that, if you link the Common C++ library with other files
00022 // to produce an executable, this does not by itself cause the
00023 // resulting executable to be covered by the GNU General Public License.
00024 // Your use of that executable is in no way restricted on account of
00025 // linking the Common C++ library code into it.
00026 //
00027 // This exception does not however invalidate any other reasons why
00028 // the executable file might be covered by the GNU General Public License.
00029 //
00030 // This exception applies only to the code released under the
00031 // name Common C++.  If you copy code from other releases into a copy of
00032 // Common C++, as the General Public License permits, the exception does
00033 // not apply to the code that you add in this way.  To avoid misleading
00034 // anyone as to the status of such modified files, you must delete
00035 // this exception notice from them.
00036 //
00037 // If you write modifications of your own for Common C++, it is your choice
00038 // whether to permit this exception to apply to your modifications.
00039 // If you do not wish that, delete this exception notice.
00040 
00046 #ifndef CCXX_UNIX_H_
00047 #define CCXX_UNIX_H_
00048 
00049 #ifndef CCXX_MISSING_H_
00050 #include <cc++/missing.h>
00051 #endif
00052 
00053 #ifndef CCXX_SOCKET_H_
00054 #include <cc++/socket.h>
00055 #endif
00056 
00057 #ifdef  CCXX_NAMESPACES
00058 namespace ost {
00059 #endif
00060 
00061 #ifndef WIN32
00062 
00076  class UnixSocket : protected Socket
00077  {
00078  protected:
00079         friend class UnixStream;
00080         friend class SocketPort;
00081         friend class unixstream;
00082 
00083  public:
00092         UnixSocket(const char* pathname, int backlog = 5);
00093 
00097         inline bool isPendingConnection(timeout_t timeout = TIMEOUT_INF) 
00098                 {return Socket::isPending(pendingInput, timeout);}
00099 
00103         virtual ~UnixSocket()
00104                 {endSocket();};
00105  };
00106 
00120  class UnixStream : public Socket, public std::streambuf, public std::iostream
00121  {
00122  private:
00123         int doallocate();
00124 
00125  protected:
00126         timeout_t timeout;
00127         int bufsize;
00128         char *gbuf, *pbuf;
00129 
00134         UnixStream(bool throwflag = true);
00135 
00142         void allocate(int size);
00143 
00148         void endStream(void);
00149 
00156         virtual int underflow(void);
00157 
00166         int uflow(void);
00167 
00175         int overflow(int ch);
00176 
00183         void connect(const char* pathname, int size);
00184 
00192         std::iostream *unixstr(void)
00193                 {return ((std::iostream *)this);};
00194 
00195  public:
00206         UnixStream(UnixSocket &server, int size = 512, bool throwflag = true, timeout_t timeout = 0);
00207 
00216         UnixStream(const char* pathname, int size = 512, bool throwflag = true, timeout_t to = 0);
00217 
00223         inline void setTimeout(timeout_t to)
00224                 {timeout = to;};
00225 
00232         UnixStream(const UnixStream &source);
00233 
00238         virtual ~UnixStream()
00239                 {endStream();};
00240 
00247         int sync(void);
00248 
00256         bool isPending(Pending pend, timeout_t timeout = TIMEOUT_INF);
00257 
00263         int getBufferSize(void) const
00264                 {return bufsize;};
00265  };
00266 
00275  class unixstream : public UnixStream
00276  {
00277  public:
00281         unixstream();
00282 
00290         unixstream(const char *pathname, int buffer = 512);
00291 
00299         unixstream(UnixSocket &unixsock, int buffer = 512);
00300 
00308         void open(const char *pathname, int buffer = 512)
00309                 { UnixStream::connect( pathname, buffer ); }
00310 
00317         void open(UnixSocket &unixsock, int buffer = 512);
00318 
00322         void close(void);
00323 
00327         bool operator!() const;
00328  };
00329 
00340  class UnixSession : public UnixStream, public Thread
00341  {
00342  protected:
00355         int waitConnection(timeout_t timeout = TIMEOUT_INF);
00356 
00363         CCXX_MEMBER(void) initial(void);
00364 
00370         CCXX_MEMBER(void) final(void)
00371                 {delete this;};
00372  public:
00382         UnixSession(const char* pathname, int size = 512, int pri = 0, int stack = 0);
00383 
00393         UnixSession(UnixSocket &server, int size = 512,
00394                    int pri = 0, int stack = 0);
00395  };
00396 
00397 #endif // ndef WIN32
00398 
00399 #ifdef  CCXX_NAMESPACES
00400 }
00401 #endif
00402 
00403 #endif
00404 
00405 
00406 

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