/* * libretroshare/src/util: rsdiscspace.h * * Universal Networking Header for RetroShare. * * Copyright 2010-2010 by Cyril Soler. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License Version 2 as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA. * * Please report all bugs and problems to "csoler@users.sourceforge.net". * */ #pragma once #include #include #include class RsDiscSpace { public: typedef uint32_t DiscLocation ; // Returns false is the disc space is lower than the given size limit, true otherwise. // When the size limit is reached, this class calls notify to warn the user (possibly // with a popup window). // static bool checkForDiscSpace(DiscLocation loc) ; // Allow the user to specify his own size limit. Should not be too low, especially not 0 MB ;-) // 10MB to 100MB are sensible values. // static void setFreeSpaceLimit(uint32_t mega_bytes) ; static uint32_t freeSpaceLimit() ; private: static bool crossSystemDiskStats(const char *file, uint64_t& free_blocks, uint64_t& block_size) ; static RsMutex _mtx ; static time_t _last_check[3] ; static uint32_t _size_limit_mb ; static uint32_t _current_size[3] ; static bool _last_res[3] ; };