pipe.h

Go to the documentation of this file.
00001 /*
00002  *
00003  *  D-Bus++ - C++ bindings for D-Bus
00004  *
00005  *  Copyright (C) 2005-2007  Paolo Durante <shackan@gmail.com>
00006  *
00007  *
00008  *  This library is free software; you can redistribute it and/or
00009  *  modify it under the terms of the GNU Lesser General Public
00010  *  License as published by the Free Software Foundation; either
00011  *  version 2.1 of the License, or (at your option) any later version.
00012  *
00013  *  This library is distributed in the hope that it will be useful,
00014  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016  *  Lesser General Public License for more details.
00017  *
00018  *  You should have received a copy of the GNU Lesser General Public
00019  *  License along with this library; if not, write to the Free Software
00020  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00021  *
00022  */
00023 
00024 #ifndef DBUSXX_PIPE_H
00025 #define DBUSXX_PIPE_H
00026 
00027 /* Project */
00028 #include "api.h"
00029 
00030 /* STD */
00031 #include <cstdlib>
00032 
00033 namespace DBus
00034 {
00035 
00036 class DXXAPI Pipe
00037 {
00038 public:
00045   void write(const void *buffer, unsigned int nbytes);
00046 
00047   ssize_t read(void *buffer, unsigned int &nbytes);
00048 
00053   void signal();
00054 
00055 private:
00056   void(*_handler)(const void *data, void *buffer, unsigned int nbyte);
00057   int _fd_write;
00058   int _fd_read;
00059   const void *_data;
00060 
00061   // allow construction only in BusDispatcher
00062   Pipe(void(*handler)(const void *data, void *buffer, unsigned int nbyte), const void *data);
00063   ~Pipe() {};
00064 
00065   friend class BusDispatcher;
00066 };
00067 
00068 } /* namespace DBus */
00069 
00070 #endif // DBUSXX_PIPE_H