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unix.h

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00001 // Copyright (C) 1999-2005 Open Source Telecom Corporation.
00002 // Copyright (C) 2006-2008 David Sugar, Tycho Softworks.
00003 //
00004 // This program is free software; you can redistribute it and/or modify
00005 // it under the terms of the GNU General Public License as published by
00006 // the Free Software Foundation; either version 2 of the License, or
00007 // (at your option) any later version.
00008 //
00009 // This program is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 // GNU General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License
00015 // along with this program; if not, write to the Free Software
00016 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017 //
00018 // As a special exception, you may use this file as part of a free software
00019 // library without restriction.  Specifically, if other files instantiate
00020 // templates or use macros or inline functions from this file, or you compile
00021 // this file and link it with other files to produce an executable, this
00022 // file does not by itself cause the resulting executable to be covered by
00023 // the GNU General Public License.  This exception does not however
00024 // invalidate any other reasons why the executable file might be covered by
00025 // the GNU General Public License.
00026 //
00027 // This exception applies only to the code released under the name GNU
00028 // Common C++.  If you copy code from other releases into a copy of GNU
00029 // Common C++, as the General Public License permits, the exception does
00030 // not apply to the code that you add in this way.  To avoid misleading
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00037 //
00038 
00044 #ifndef CCXX_UNIX_H_
00045 #define CCXX_UNIX_H_
00046 
00047 #ifndef CCXX_MISSING_H_
00048 #include <cc++/missing.h>
00049 #endif
00050 
00051 #ifndef CCXX_SOCKET_H_
00052 #include <cc++/socket.h>
00053 #endif
00054 
00055 #ifdef  CCXX_NAMESPACES
00056 namespace ost {
00057 #endif
00058 
00059 #ifndef WIN32
00060 
00074  class UnixSocket : protected Socket {
00075  protected:
00076         friend class UnixStream;
00077         friend class SocketPort;
00078         friend class unixstream;
00079 
00080         void close(void);
00081         char *path;
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  };
00105 
00119  class UnixStream : public Socket, public std::streambuf, public std::iostream {
00120  private:
00121         int doallocate();
00122 
00123  protected:
00124         timeout_t timeout;
00125         int bufsize;
00126         char *gbuf, *pbuf;
00127 
00132         UnixStream(bool throwflag = true);
00133 
00140         void allocate(int size);
00141 
00146         void endStream(void);
00147 
00154         virtual int underflow(void);
00155 
00164         int uflow(void);
00165 
00173         int overflow(int ch);
00174 
00181         void connect(const char* pathname, int size);
00182 
00190         std::iostream *unixstr(void)
00191                 {return ((std::iostream *)this);};
00192 
00193  public:
00204         UnixStream(UnixSocket &server, int size = 512, bool throwflag = true, timeout_t timeout = 0);
00205 
00214         UnixStream(const char* pathname, int size = 512, bool throwflag = true, timeout_t to = 0);
00215 
00221         inline void setTimeout(timeout_t to)
00222                 {timeout = to;};
00223 
00230         UnixStream(const UnixStream &source);
00231 
00236         virtual ~UnixStream();
00237 
00244         int sync(void);
00245 
00253         bool isPending(Pending pend, timeout_t timeout = TIMEOUT_INF);
00254 
00260         int getBufferSize(void) const
00261                 {return bufsize;};
00262  };
00263 
00272  class unixstream : public UnixStream {
00273  public:
00277         unixstream();
00278 
00286         unixstream(const char *pathname, int buffer = 512);
00287 
00295         unixstream(UnixSocket &unixsock, int buffer = 512);
00296 
00304         void open(const char *pathname, int buffer = 512)
00305                 { UnixStream::connect( pathname, buffer ); }
00306 
00313         void open(UnixSocket &unixsock, int buffer = 512);
00314 
00318         void close(void);
00319 
00323         bool operator!() const;
00324  };
00325 
00336  class __EXPORT UnixSession : public Thread, public UnixStream {
00337  protected:
00350         int waitConnection(timeout_t timeout = TIMEOUT_INF);
00351 
00358         void initial(void);
00359 
00360  public:
00370         UnixSession(const char* pathname, int size = 512, int pri = 0, int stack = 0);
00371 
00381         UnixSession(UnixSocket &server, int size = 512,
00382                    int pri = 0, int stack = 0);
00383 
00387         virtual ~UnixSession();
00388  };
00389 
00390 #endif // ndef WIN32
00391 
00392 #ifdef  CCXX_NAMESPACES
00393 }
00394 #endif
00395 
00396 #endif
00397 
00398 
00399 

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