Disk ARchive
2.3.11
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00001 /*********************************************************************/ 00002 // dar - disk archive - a backup/restoration program 00003 // Copyright (C) 2002-2052 Denis Corbin 00004 // 00005 // This program is free software; you can redistribute it and/or 00006 // modify it under the terms of the GNU General Public License 00007 // as published by the Free Software Foundation; either version 2 00008 // of the License, or (at your option) any later version. 00009 // 00010 // This program is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with this program; if not, write to the Free Software 00017 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 // 00019 // to contact the author : dar.linux@free.fr 00020 /*********************************************************************/ 00021 // $Id: tuyau.hpp,v 1.13.4.1 2007/07/22 16:35:00 edrusb Rel $ 00022 // 00023 /*********************************************************************/ 00024 00032 00033 #ifndef TUYAU_HPP 00034 #define TUYAU_HPP 00035 00036 #include "../my_config.h" 00037 #include "infinint.hpp" 00038 #include "generic_file.hpp" 00039 #include "thread_cancellation.hpp" 00040 00041 namespace libdar 00042 { 00043 00045 00047 00048 class tuyau : public generic_file, public thread_cancellation 00049 { 00050 public: 00051 tuyau(user_interaction & dialog, int fd); // fd is the filedescriptor of a pipe extremity 00052 tuyau(user_interaction & dialog, int fd, gf_mode mode); // forces the mode if possible 00053 tuyau(user_interaction & dialog, const std::string &filename, gf_mode mode); 00054 ~tuyau() { close(filedesc); }; 00055 00056 // inherited from generic_file 00057 bool skip(const infinint & pos); 00058 bool skip_to_eof(); 00059 bool skip_relative(signed int x); 00060 infinint get_position() { return position; }; 00061 00062 protected: 00063 virtual int inherited_read(char *a, size_t size); 00064 virtual int inherited_write(const char *a, size_t size); 00065 00066 private: 00067 infinint position; 00068 int filedesc; 00069 std::string chemin; // named pipe open later 00070 00071 void ouverture(); 00072 }; 00073 00074 } // end of namespace 00075 00076 #endif