| 1 | /****************************************************************************
|
|---|
| 2 | **
|
|---|
| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
|
|---|
| 4 | ** All rights reserved.
|
|---|
| 5 | ** Contact: Nokia Corporation ([email protected])
|
|---|
| 6 | **
|
|---|
| 7 | ** This file is part of the examples of the Qt Toolkit.
|
|---|
| 8 | **
|
|---|
| 9 | ** $QT_BEGIN_LICENSE:LGPL$
|
|---|
| 10 | ** Commercial Usage
|
|---|
| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
|
|---|
| 12 | ** accordance with the Qt Commercial License Agreement provided with the
|
|---|
| 13 | ** Software or, alternatively, in accordance with the terms contained in
|
|---|
| 14 | ** a written agreement between you and Nokia.
|
|---|
| 15 | **
|
|---|
| 16 | ** GNU Lesser General Public License Usage
|
|---|
| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
|
|---|
| 18 | ** General Public License version 2.1 as published by the Free Software
|
|---|
| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
|
|---|
| 20 | ** packaging of this file. Please review the following information to
|
|---|
| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
|
|---|
| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|---|
| 23 | **
|
|---|
| 24 | ** In addition, as a special exception, Nokia gives you certain additional
|
|---|
| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
|
|---|
| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|---|
| 27 | **
|
|---|
| 28 | ** GNU General Public License Usage
|
|---|
| 29 | ** Alternatively, this file may be used under the terms of the GNU
|
|---|
| 30 | ** General Public License version 3.0 as published by the Free Software
|
|---|
| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
|
|---|
| 32 | ** packaging of this file. Please review the following information to
|
|---|
| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
|
|---|
| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
|
|---|
| 35 | **
|
|---|
| 36 | ** If you have questions regarding the use of this file, please contact
|
|---|
| 37 | ** Nokia at [email protected].
|
|---|
| 38 | ** $QT_END_LICENSE$
|
|---|
| 39 | **
|
|---|
| 40 | ****************************************************************************/
|
|---|
| 41 |
|
|---|
| 42 | #ifndef RATECONTROLLER_H
|
|---|
| 43 | #define RATECONTROLLER_H
|
|---|
| 44 |
|
|---|
| 45 | #include <QObject>
|
|---|
| 46 | #include <QSet>
|
|---|
| 47 | #include <QTime>
|
|---|
| 48 |
|
|---|
| 49 | class PeerWireClient;
|
|---|
| 50 |
|
|---|
| 51 | class RateController : public QObject
|
|---|
| 52 | {
|
|---|
| 53 | Q_OBJECT
|
|---|
| 54 |
|
|---|
| 55 | public:
|
|---|
| 56 | inline RateController(QObject *parent = 0)
|
|---|
| 57 | : QObject(parent), transferScheduled(false) { }
|
|---|
| 58 | static RateController *instance();
|
|---|
| 59 |
|
|---|
| 60 | void addSocket(PeerWireClient *socket);
|
|---|
| 61 | void removeSocket(PeerWireClient *socket);
|
|---|
| 62 |
|
|---|
| 63 | inline int uploadLimit() const { return upLimit; }
|
|---|
| 64 | inline int downloadLimit() const { return downLimit; }
|
|---|
| 65 | inline void setUploadLimit(int bytesPerSecond) { upLimit = bytesPerSecond; }
|
|---|
| 66 | void setDownloadLimit(int bytesPerSecond);
|
|---|
| 67 |
|
|---|
| 68 | public slots:
|
|---|
| 69 | void transfer();
|
|---|
| 70 | void scheduleTransfer();
|
|---|
| 71 |
|
|---|
| 72 | private:
|
|---|
| 73 | QTime stopWatch;
|
|---|
| 74 | QSet<PeerWireClient *> sockets;
|
|---|
| 75 | int upLimit;
|
|---|
| 76 | int downLimit;
|
|---|
| 77 | bool transferScheduled;
|
|---|
| 78 | };
|
|---|
| 79 |
|
|---|
| 80 | #endif
|
|---|
