1 // rTorrent - BitTorrent client 2 // Copyright (C) 2005-2011, Jari Sundell 3 // 4 // This program is free software; you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation; either version 2 of the License, or 7 // (at your option) any later version. 8 // 9 // This program is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with this program; if not, write to the Free Software 16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 // 18 // In addition, as a special exception, the copyright holders give 19 // permission to link the code of portions of this program with the 20 // OpenSSL library under certain conditions as described in each 21 // individual source file, and distribute linked combinations 22 // including the two. 23 // 24 // You must obey the GNU General Public License in all respects for 25 // all of the code used other than OpenSSL. If you modify file(s) 26 // with this exception, you may extend this exception to your version 27 // of the file(s), but you are not obligated to do so. If you do not 28 // wish to do so, delete this exception statement from your version. 29 // If you delete this exception statement from all source files in the 30 // program, then also delete it here. 31 // 32 // Contact: Jari Sundell <jaris@ifi.uio.no> 33 // 34 // Skomakerveien 33 35 // 3185 Skoppum, NORWAY 36 37 #ifndef RTORRENT_UTILS_FILE_STATUS_CACHE_H 38 #define RTORRENT_UTILS_FILE_STATUS_CACHE_H 39 40 #include <map> 41 #include <string> 42 43 namespace utils { 44 45 struct file_status { 46 int m_flags; 47 uint32_t m_mtime; 48 }; 49 50 class FileStatusCache : public std::map<std::string, file_status> { 51 public: 52 typedef std::map<std::string, file_status> base_type; 53 54 using base_type::iterator; 55 using base_type::const_iterator; 56 using base_type::reverse_iterator; 57 using base_type::const_reverse_iterator; 58 using base_type::value_type; 59 60 using base_type::begin; 61 using base_type::end; 62 using base_type::rbegin; 63 using base_type::rend; 64 65 using base_type::empty; 66 using base_type::size; 67 68 using base_type::erase; 69 70 // static int flag_ 71 72 // Insert and return true if the entry does not exist or the new 73 // file's mtime is more recent. 74 bool insert(const std::string& path, int flags); 75 76 // Add a function for pruning a sorted list of paths. 77 78 // Function for pruning entries that no longer points to a file, or 79 // has a different mtime. 80 void prune(); 81 }; 82 83 } 84 85 #endif 86