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connectionmanager.cpp

/****************************************************************************
**
** Copyright (C) 2004-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes 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:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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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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