Disk ARchive
2.4.5
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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 // $Id$ 00022 // 00023 /*********************************************************************/ 00024 00025 #ifndef TUYAU_HPP 00026 #define TUYAU_HPP 00027 00028 #pragma interface 00029 00030 #include "generic_file.hpp" 00031 00032 class tuyau : public generic_file 00033 { 00034 public: 00035 tuyau(int fd); // fd is the filedescriptor of a pipe extremity 00036 tuyau(int fd, gf_mode mode); // forces the mode of possible 00037 tuyau(const string &filename, gf_mode mode); 00038 ~tuyau() { close(filedesc); }; 00039 00040 // inherited from generic_file 00041 bool skip(const infinint & pos); 00042 bool skip_to_eof(); 00043 bool skip_relative(signed int x); 00044 infinint get_position() { return position; }; 00045 00046 protected: 00047 virtual int inherited_read(char *a, size_t size); 00048 virtual int inherited_write(char *a, size_t size); 00049 00050 private: 00051 infinint position; 00052 int filedesc; 00053 string chemin; // named pipe open later 00054 00055 void ouverture(); 00056 }; 00057 00058 #endif