2011-04-27 10:05:43 +00:00
|
|
|
/****************************************************************************
|
|
|
|
**
|
2015-01-28 08:44:43 +00:00
|
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
|
|
** Contact: http://www.qt.io/licensing/
|
2011-04-27 10:05:43 +00:00
|
|
|
**
|
|
|
|
** This file is part of the examples of the Qt Toolkit.
|
|
|
|
**
|
|
|
|
** $QT_BEGIN_LICENSE:BSD$
|
|
|
|
** You may use this file under the terms of the BSD license as follows:
|
|
|
|
**
|
|
|
|
** "Redistribution and use in source and binary forms, with or without
|
|
|
|
** modification, are permitted provided that the following conditions are
|
|
|
|
** met:
|
|
|
|
** * Redistributions of source code must retain the above copyright
|
|
|
|
** notice, this list of conditions and the following disclaimer.
|
|
|
|
** * Redistributions in binary form must reproduce the above copyright
|
|
|
|
** notice, this list of conditions and the following disclaimer in
|
|
|
|
** the documentation and/or other materials provided with the
|
|
|
|
** distribution.
|
2015-02-13 11:15:33 +00:00
|
|
|
** * Neither the name of The Qt Company Ltd nor the names of its
|
|
|
|
** contributors may be used to endorse or promote products derived
|
|
|
|
** from this software without specific prior written permission.
|
2012-09-19 12:28:29 +00:00
|
|
|
**
|
2011-04-27 10:05:43 +00:00
|
|
|
**
|
|
|
|
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
|
|
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
|
|
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
|
|
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
|
|
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
|
|
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
|
|
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
|
|
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
2012-01-24 06:17:24 +00:00
|
|
|
**
|
2011-04-27 10:05:43 +00:00
|
|
|
** $QT_END_LICENSE$
|
|
|
|
**
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
#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(QString,QString)),
|
|
|
|
this, SIGNAL(newMessage(QString,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();
|
|
|
|
}
|