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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@2969 b45a01b8-16f6-495d-af2f-9b41ad6348cc
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csoler 2010-05-21 22:05:50 +00:00
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libretroshare/src/util/rsdiscspace.h Normal file
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/*
* 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 <stdlib.h>
#include <stdint.h>
#include <util/rsthreads.h>
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 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] ;
};