1 files changed, 139 insertions, 0 deletions
diff --git a/examples/network/network-chat/client.cpp b/examples/network/network-chat/client.cpp
new file mode 100644
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+++ b/examples/network/network-chat/client.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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();
+}