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 : http://dar.linux.free.fr/email.html 00020 /*********************************************************************/ 00021 // $Id$ 00022 // 00023 /*********************************************************************/ 00024 // 00025 00029 00030 #ifndef SEMAPHORE_HPP 00031 #define SEMAPHORE_HPP 00032 00033 #include "../my_config.h" 00034 00035 #include "mem_ui.hpp" 00036 #include "mask.hpp" 00037 #include "catalogue.hpp" 00038 00039 namespace libdar 00040 { 00041 00044 00046 00067 00068 00069 class semaphore : public mem_ui 00070 { 00071 public: 00072 00074 00081 semaphore(user_interaction & dialog, 00082 const std::string & backup_hook_file_execute, 00083 const mask & backup_hook_file_mask); 00084 00086 semaphore(const semaphore & ref) : mem_ui(ref.get_ui()) { copy_from(ref); }; 00087 00089 semaphore & operator = (const semaphore & ref) { detruit(); copy_from(ref); return *this; }; 00090 00092 ~semaphore() { detruit(); }; 00093 00095 00104 void raise(const std::string & path, 00105 const entree *object, 00106 bool data_to_save); 00107 00109 void lower(); 00110 00111 #ifdef LIBDAR_SPECIAL_ALLOC 00112 USE_SPECIAL_ALLOC(semaphore); 00113 #endif 00114 private: 00115 infinint count; //< is the number of subdirectories currently saved in the last directory that matched the mask 00116 std::string chem; //< path of the file that has to be call in the "end" context when count will drop to zero 00117 std::string filename; //< filename of that same file 00118 infinint uid; //< UID of that same file 00119 infinint gid; //< GID of that same file 00120 std::string execute; //< command to execute 00121 const mask *match; //< for which file to run the execute command 00122 00123 std::string build_string(const std::string & context); 00124 void copy_from(const semaphore & ref); 00125 void detruit(); 00126 }; 00127 00129 00130 } // end of namespace 00131 00132 #endif