/usr/include/libktorrent/util/resourcemanager.h is in libktorrent-dev 1.3.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2010 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef BT_TICKETMANAGER_H
#define BT_TICKETMANAGER_H
#include <QSet>
#include <QList>
#include <QMap>
#include <ktorrent_export.h>
#include "constants.h"
namespace bt
{
class ResourceManager;
/**
Represents a scarce resource which must be acquired from a ResouceManager.
The ResourceManager will notify the Resource when it has been acquired.
*/
class KTORRENT_EXPORT Resource
{
public:
Resource(ResourceManager* rman, const QString & group);
virtual ~Resource();
/// Get the name of the group the resource is part of
QString groupName() const {return group;}
/// Called when the resource has been acquired
virtual void acquired() = 0;
/// Release the Resource
void release();
typedef QSet<Resource*> Set;
typedef QList<Resource*> List;
private:
ResourceManager* rman;
QString group;
};
/**
Class which distributes resources equally over several groups.
Ensuring that each group gets it's fair share.
*/
class KTORRENT_EXPORT ResourceManager
{
public:
ResourceManager(Uint32 max_active_resources);
virtual ~ResourceManager();
/**
Set max active resources
*/
void setMaxActive(Uint32 m) {max_active_resources = m;}
/**
Add a Resource
@param r The Resource
*/
void add(Resource* r);
/**
* Try to have a Resource acquired. If it succeeds, it will be added and
* true will be returned. If it fails nothing will happen and false is returned.
* @param r The Resource
* @return true upon success, false otherwise
*/
bool acquire(Resource* r);
/**
Remove a resource.
@param r The Resource
*/
void remove(Resource* r);
/**
* Shutdown the resource manager, no more resources will be handed out.
*/
void shutdown();
private:
void update();
private:
Uint32 max_active_resources;
Resource::Set active;
QMap<QString,Resource::List> pending;
QString current;
};
}
#endif // BT_TICKETMANAGER_H
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