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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtNetwork>
#include "client.h"
#include "connection.h"
#include "peermanager.h"
Client::Client()
{
peerManager = new PeerManager(this);
peerManager->setServerPort(server.serverPort());
peerManager->startBroadcasting();
QObject::connect(peerManager, SIGNAL(newConnection(Connection *)),
this, SLOT(newConnection(Connection *)));
QObject::connect(&server, SIGNAL(newConnection(Connection *)),
this, SLOT(newConnection(Connection *)));
}
void Client::sendMessage(const QString &message)
{
if (message.isEmpty())
return;
QList<Connection *> connections = peers.values();
foreach (Connection *connection, connections)
connection->sendMessage(message);
}
QString Client::nickName() const
{
return QString(peerManager->userName()) + "@" + QHostInfo::localHostName()
+ ":" + QString::number(server.serverPort());
}
bool Client::hasConnection(const QHostAddress &senderIp, int senderPort) const
{
if (senderPort == -1)
return peers.contains(senderIp);
if (!peers.contains(senderIp))
return false;
QList<Connection *> connections = peers.values(senderIp);
foreach (Connection *connection, connections) {
if (connection->peerPort() == senderPort)
return true;
}
return false;
}
void Client::newConnection(Connection *connection)
{
connection->setGreetingMessage(peerManager->userName());
connect(connection, SIGNAL(error(QAbstractSocket::SocketError)),
this, SLOT(connectionError(QAbstractSocket::SocketError)));
connect(connection, SIGNAL(disconnected()), this, SLOT(disconnected()));
connect(connection, SIGNAL(readyForUse()), this, SLOT(readyForUse()));
}
void Client::readyForUse()
{
Connection *connection = qobject_cast<Connection *>(sender());
if (!connection || hasConnection(connection->peerAddress(),
connection->peerPort()))
return;
connect(connection, SIGNAL(newMessage(const QString &, const QString &)),
this, SIGNAL(newMessage(const QString &, const QString &)));
peers.insert(connection->peerAddress(), connection);
QString nick = connection->name();
if (!nick.isEmpty())
emit newParticipant(nick);
}
void Client::disconnected()
{
if (Connection *connection = qobject_cast<Connection *>(sender()))
removeConnection(connection);
}
void Client::connectionError(QAbstractSocket::SocketError /* socketError */)
{
if (Connection *connection = qobject_cast<Connection *>(sender()))
removeConnection(connection);
}
void Client::removeConnection(Connection *connection)
{
if (peers.contains(connection->peerAddress())) {
peers.remove(connection->peerAddress());
QString nick = connection->name();
if (!nick.isEmpty())
emit participantLeft(nick);
}
connection->deleteLater();
}
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