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

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    **
    ** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 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 GNU
    ** General Public Licensing requirements will be met:
    ** http://www.trolltech.com/products/qt/opensource.html
    **
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
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    #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%06x", QT_VERSION);
            id += s.toLatin1();
            id += QByteArray::number(startupTime, 16);
            id += QByteArray(20 - id.size(), '-');
        }
        return id;
    }


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