2b75c156b6
Change-Id: I6441ff931dbd33b698d762e6f6784898f3f60fe7 Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
140 lines
4.8 KiB
C++
140 lines
4.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtNetwork>
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#include "client.h"
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#include "connection.h"
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#include "peermanager.h"
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Client::Client()
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{
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peerManager = new PeerManager(this);
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peerManager->setServerPort(server.serverPort());
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peerManager->startBroadcasting();
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QObject::connect(peerManager, SIGNAL(newConnection(Connection*)),
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this, SLOT(newConnection(Connection*)));
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QObject::connect(&server, SIGNAL(newConnection(Connection*)),
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this, SLOT(newConnection(Connection*)));
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}
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void Client::sendMessage(const QString &message)
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{
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if (message.isEmpty())
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return;
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QList<Connection *> connections = peers.values();
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foreach (Connection *connection, connections)
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connection->sendMessage(message);
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}
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QString Client::nickName() const
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{
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return QString(peerManager->userName()) + '@' + QHostInfo::localHostName()
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+ ':' + QString::number(server.serverPort());
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}
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bool Client::hasConnection(const QHostAddress &senderIp, int senderPort) const
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{
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if (senderPort == -1)
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return peers.contains(senderIp);
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if (!peers.contains(senderIp))
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return false;
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QList<Connection *> connections = peers.values(senderIp);
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foreach (Connection *connection, connections) {
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if (connection->peerPort() == senderPort)
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return true;
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}
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return false;
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}
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void Client::newConnection(Connection *connection)
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{
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connection->setGreetingMessage(peerManager->userName());
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connect(connection, SIGNAL(error(QAbstractSocket::SocketError)),
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this, SLOT(connectionError(QAbstractSocket::SocketError)));
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connect(connection, SIGNAL(disconnected()), this, SLOT(disconnected()));
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connect(connection, SIGNAL(readyForUse()), this, SLOT(readyForUse()));
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}
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void Client::readyForUse()
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{
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Connection *connection = qobject_cast<Connection *>(sender());
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if (!connection || hasConnection(connection->peerAddress(),
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connection->peerPort()))
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return;
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connect(connection, SIGNAL(newMessage(QString,QString)),
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this, SIGNAL(newMessage(QString,QString)));
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peers.insert(connection->peerAddress(), connection);
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QString nick = connection->name();
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if (!nick.isEmpty())
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emit newParticipant(nick);
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}
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void Client::disconnected()
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{
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if (Connection *connection = qobject_cast<Connection *>(sender()))
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removeConnection(connection);
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}
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void Client::connectionError(QAbstractSocket::SocketError /* socketError */)
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{
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if (Connection *connection = qobject_cast<Connection *>(sender()))
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removeConnection(connection);
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}
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void Client::removeConnection(Connection *connection)
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{
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if (peers.contains(connection->peerAddress())) {
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peers.remove(connection->peerAddress());
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QString nick = connection->name();
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if (!nick.isEmpty())
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emit participantLeft(nick);
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}
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connection->deleteLater();
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}
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