|  | Home · All Classes · All Functions · Overviews

# connectionmanager.cpp Example File
network/torrent/connectionmanager.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:LGPL$
     ** Commercial Usage
     ** Licensees holding valid Qt Commercial licenses may use this file in
     ** accordance with the Qt Commercial License Agreement provided with the
     ** Software or, alternatively, in accordance with the terms contained in
     ** a written agreement between you and Nokia.
     **
     ** GNU Lesser General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU Lesser
     ** General Public License version 2.1 as published by the Free Software
     ** Foundation and appearing in the file LICENSE.LGPL included in the
     ** packaging of this file.  Please review the following information to
     ** ensure the GNU Lesser General Public License version 2.1 requirements
     ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
     **
     ** In addition, as a special exception, Nokia gives you certain additional
     ** rights.  These rights are described in the Nokia Qt LGPL Exception
     ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
     **
     ** GNU General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU
     ** General Public License version 3.0 as published by the Free Software
     ** Foundation and appearing in the file LICENSE.GPL included in the
     ** packaging of this file.  Please review the following information to
     ** ensure the GNU General Public License version 3.0 requirements will be
     ** met: http://www.gnu.org/copyleft/gpl.html.
     **
     ** If you have questions regarding the use of this file, please contact
     ** Nokia at qt-info@nokia.com.
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     #include "connectionmanager.h"

     #include <QByteArray>
     #include <QDateTime>

     static const int MaxConnections = 250;

     Q_GLOBAL_STATIC(ConnectionManager, connectionManager)

     ConnectionManager *ConnectionManager::instance()
     {
         return connectionManager();
     }

     bool ConnectionManager::canAddConnection() const
     {
         return (connections.size() < MaxConnections);
     }

     void ConnectionManager::addConnection(PeerWireClient *client)
     {
         connections << client;
     }

     void ConnectionManager::removeConnection(PeerWireClient *client)
     {
         connections.remove(client);
     }

     int ConnectionManager::maxConnections() const
     {
         return MaxConnections;
     }

     QByteArray ConnectionManager::clientId() const
     {
         if (id.isEmpty()) {
             // Generate peer id
             int startupTime = int(QDateTime::currentDateTime().toTime_t());

             QString s;
             s.sprintf("-QT%04x-", (QT_VERSION % 0xffff00) >> 8);
             id += s.toLatin1();
             id += QByteArray::number(startupTime, 10);
             id += QByteArray(20 - id.size(), '-');
         }
         return id;
     }