unix.h

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00001 // Copyright (C) 1999-2005 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, you may use this file as part of a free software
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00019 // templates or use macros or inline functions from this file, or you compile
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00021 // file does not by itself cause the resulting executable to be covered by
00022 // the GNU General Public License.  This exception does not however
00023 // invalidate any other reasons why the executable file might be covered by
00024 // the GNU General Public License.
00025 //
00026 // This exception applies only to the code released under the name GNU
00027 // Common C++.  If you copy code from other releases into a copy of GNU
00028 // Common C++, as the General Public License permits, the exception does
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00037 
00043 #ifndef CCXX_UNIX_H_
00044 #define CCXX_UNIX_H_
00045 
00046 #ifndef CCXX_MISSING_H_
00047 #include <cc++/missing.h>
00048 #endif
00049 
00050 #ifndef CCXX_SOCKET_H_
00051 #include <cc++/socket.h>
00052 #endif
00053 
00054 #ifdef  CCXX_NAMESPACES
00055 namespace ost {
00056 #endif
00057 
00058 #ifndef WIN32
00059 
00073  class UnixSocket : protected Socket {
00074  protected:
00075         friend class UnixStream;
00076         friend class SocketPort;
00077         friend class unixstream;
00078 
00079         void close(void);
00080         char *path;
00081 
00082  public:
00091         UnixSocket(const char* pathname, int backlog = 5);
00092 
00096         inline bool isPendingConnection(timeout_t timeout = TIMEOUT_INF) 
00097                 {return Socket::isPending(pendingInput, timeout);}
00098 
00102         virtual ~UnixSocket();
00103  };
00104 
00118  class UnixStream : public Socket, public std::streambuf, public std::iostream {
00119  private:
00120         int doallocate();
00121 
00122  protected:
00123         timeout_t timeout;
00124         int bufsize;
00125         char *gbuf, *pbuf;
00126 
00131         UnixStream(bool throwflag = true);
00132 
00139         void allocate(int size);
00140 
00145         void endStream(void);
00146 
00153         virtual int underflow(void);
00154 
00163         int uflow(void);
00164 
00172         int overflow(int ch);
00173 
00180         void connect(const char* pathname, int size);
00181 
00189         std::iostream *unixstr(void)
00190                 {return ((std::iostream *)this);};
00191 
00192  public:
00203         UnixStream(UnixSocket &server, int size = 512, bool throwflag = true, timeout_t timeout = 0);
00204 
00213         UnixStream(const char* pathname, int size = 512, bool throwflag = true, timeout_t to = 0);
00214 
00220         inline void setTimeout(timeout_t to)
00221                 {timeout = to;};
00222 
00229         UnixStream(const UnixStream &source);
00230 
00235         virtual ~UnixStream();
00236 
00243         int sync(void);
00244 
00252         bool isPending(Pending pend, timeout_t timeout = TIMEOUT_INF);
00253 
00259         int getBufferSize(void) const
00260                 {return bufsize;};
00261  };
00262 
00271  class unixstream : public UnixStream {
00272  public:
00276         unixstream();
00277 
00285         unixstream(const char *pathname, int buffer = 512);
00286 
00294         unixstream(UnixSocket &unixsock, int buffer = 512);
00295 
00303         void open(const char *pathname, int buffer = 512)
00304                 { UnixStream::connect( pathname, buffer ); }
00305 
00312         void open(UnixSocket &unixsock, int buffer = 512);
00313 
00317         void close(void);
00318 
00322         bool operator!() const;
00323  };
00324 
00335  class __EXPORT UnixSession : public Thread, public UnixStream {
00336  protected:
00349         int waitConnection(timeout_t timeout = TIMEOUT_INF);
00350 
00357         void initial(void);
00358 
00359  public:
00369         UnixSession(const char* pathname, int size = 512, int pri = 0, int stack = 0);
00370 
00380         UnixSession(UnixSocket &server, int size = 512,
00381                    int pri = 0, int stack = 0);
00382 
00386         virtual ~UnixSession();
00387  };
00388 
00389 #endif // ndef WIN32
00390 
00391 #ifdef  CCXX_NAMESPACES
00392 }
00393 #endif
00394 
00395 #endif
00396 
00397 
00398 

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