14 files changed, 535 insertions, 6 deletions
diff --git a/doc/src/examples/multicastreceiver.qdoc b/doc/src/examples/multicastreceiver.qdoc
new file mode 100644
index 0000000..f769705
--- /dev/null
+++ b/doc/src/examples/multicastreceiver.qdoc
@@ -0,0 +1,36 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in a
+** written agreement between you and Nokia.
+**
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \example network/multicastreceiver
+    \title Multicast Receiver Example
+
+    The Multicast Receiever example shows how to receive information that is
+    sent to a multicast group.
+
+    \image multicastreceiver-example.png
+*/
diff --git a/doc/src/examples/multicastsender.qdoc b/doc/src/examples/multicastsender.qdoc
new file mode 100644
index 0000000..271be60
--- /dev/null
+++ b/doc/src/examples/multicastsender.qdoc
@@ -0,0 +1,36 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in a
+** written agreement between you and Nokia.
+**
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \example network/multicastsender
+    \title Multicast Sender Example
+
+    The Multicast Sender example shows how to send information to multiple
+    clients in a multicast group.
+
+    \image multicastsender-example.png
+*/
diff --git a/doc/src/getting-started/examples.qdoc b/doc/src/getting-started/examples.qdoc
index e8c85e6..f849bf0 100644
--- a/doc/src/getting-started/examples.qdoc
+++ b/doc/src/getting-started/examples.qdoc
@@ -473,6 +473,8 @@
     \o  \l{network/bearercloud}{Bearer Cloud}\raisedaster
     \o  \l{network/bearermonitor}{Bearer Monitor}
     \o  \l{network/securesocketclient}{Secure Socket Client}
+    \o  \l{network/multicastreceiver}{Multicast Receiver}
+    \o  \l{network/multicastsender}{Multicast Sender}
     \endlist
 
     Examples marked with an asterisk (*) are fully documented.
diff --git a/doc/src/network-programming/qtnetwork.qdoc b/doc/src/network-programming/qtnetwork.qdoc
index dcee1b8..fce12a7 100644
--- a/doc/src/network-programming/qtnetwork.qdoc
+++ b/doc/src/network-programming/qtnetwork.qdoc
@@ -257,8 +257,13 @@
     QUdpSocket::readDatagram() to read the datagram.
 
     The \l{network/broadcastsender}{Broadcast Sender} and
-    \l{network/broadcastreceiver}{Broadcast Receiver} examples show
-    how to write a UDP sender and a UDP receiver using Qt.
+    \l{network/broadcastreceiver}{Broadcast Receiver} examples show how to
+    write a UDP sender and a UDP receiver using Qt.
+
+    QUdpSocket also supports multicasting. The
+    \l{network/multicastsender}{Multicast Sender} and
+    \l{network/multicastreceiver}{Multicast Receiver} examples show how to use
+    write UDP multicast clients.
 
     \section1 Resolving Host Names using QHostInfo
 
diff --git a/examples/network/multicastreceiver/main.cpp b/examples/network/multicastreceiver/main.cpp
new file mode 100644
index 0000000..8483271
--- /dev/null
+++ b/examples/network/multicastreceiver/main.cpp
@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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 <QApplication>
+
+#include "receiver.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    Receiver receiver;
+    receiver.show();
+    return receiver.exec();
+}
diff --git a/examples/network/multicastreceiver/multicastreceiver.pro b/examples/network/multicastreceiver/multicastreceiver.pro
new file mode 100644
index 0000000..400c92e
--- /dev/null
+++ b/examples/network/multicastreceiver/multicastreceiver.pro
@@ -0,0 +1,12 @@
+HEADERS       = receiver.h
+SOURCES       = receiver.cpp \
+                main.cpp
+QT           += network
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/network/multicastreceiver
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS multicastreceiver.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/network/multicastreceiver
+INSTALLS += target sources
+
+symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri)
diff --git a/examples/network/multicastreceiver/receiver.cpp b/examples/network/multicastreceiver/receiver.cpp
new file mode 100644
index 0000000..073fdce
--- /dev/null
+++ b/examples/network/multicastreceiver/receiver.cpp
@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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 <QtGui>
+#include <QtNetwork>
+
+#include "receiver.h"
+
+Receiver::Receiver(QWidget *parent)
+    : QDialog(parent)
+{
+    groupAddress = QHostAddress("239.255.43.21");
+
+    statusLabel = new QLabel(tr("Listening for multicasted messages"));
+    quitButton = new QPushButton(tr("&Quit"));
+
+    udpSocket = new QUdpSocket(this);
+    udpSocket->bind(45454, QUdpSocket::ShareAddress);
+    udpSocket->joinMulticastGroup(groupAddress);
+
+    connect(udpSocket, SIGNAL(readyRead()),
+            this, SLOT(processPendingDatagrams()));
+    connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
+
+    QHBoxLayout *buttonLayout = new QHBoxLayout;
+    buttonLayout->addStretch(1);
+    buttonLayout->addWidget(quitButton);
+    buttonLayout->addStretch(1);
+
+    QVBoxLayout *mainLayout = new QVBoxLayout;
+    mainLayout->addWidget(statusLabel);
+    mainLayout->addLayout(buttonLayout);
+    setLayout(mainLayout);
+
+    setWindowTitle(tr("Multicast Receiver"));
+}
+
+void Receiver::processPendingDatagrams()
+{
+    while (udpSocket->hasPendingDatagrams()) {
+        QByteArray datagram;
+        datagram.resize(udpSocket->pendingDatagramSize());
+        udpSocket->readDatagram(datagram.data(), datagram.size());
+        statusLabel->setText(tr("Received datagram: \"%1\"")
+                             .arg(datagram.data()));
+    }
+}
diff --git a/examples/network/multicastreceiver/receiver.h b/examples/network/multicastreceiver/receiver.h
new file mode 100644
index 0000000..e226028
--- /dev/null
+++ b/examples/network/multicastreceiver/receiver.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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$
+**
+****************************************************************************/
+
+#ifndef RECEIVER_H
+#define RECEIVER_H
+
+#include <QDialog>
+#include <QHostAddress>
+
+QT_BEGIN_NAMESPACE
+class QLabel;
+class QPushButton;
+class QUdpSocket;
+QT_END_NAMESPACE
+
+class Receiver : public QDialog
+{
+    Q_OBJECT
+
+public:
+    Receiver(QWidget *parent = 0);
+
+private slots:
+    void processPendingDatagrams();
+
+private:
+    QLabel *statusLabel;
+    QPushButton *quitButton;
+    QUdpSocket *udpSocket;
+    QHostAddress groupAddress;
+};
+
+#endif
diff --git a/examples/network/multicastsender/main.cpp b/examples/network/multicastsender/main.cpp
new file mode 100644
index 0000000..9309322
--- /dev/null
+++ b/examples/network/multicastsender/main.cpp
@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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 <QApplication>
+
+#include "sender.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    Sender sender;
+    sender.show();
+    return sender.exec();
+}
diff --git a/examples/network/multicastsender/multicastsender.pro b/examples/network/multicastsender/multicastsender.pro
new file mode 100644
index 0000000..7543f00
--- /dev/null
+++ b/examples/network/multicastsender/multicastsender.pro
@@ -0,0 +1,12 @@
+HEADERS       = sender.h
+SOURCES       = sender.cpp \
+                main.cpp
+QT           += network
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/network/multicastsender
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS multicastsender.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/network/multicastsender
+INSTALLS += target sources
+
+symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri)
diff --git a/examples/network/multicastsender/sender.cpp b/examples/network/multicastsender/sender.cpp
new file mode 100644
index 0000000..38d532c
--- /dev/null
+++ b/examples/network/multicastsender/sender.cpp
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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 <QtGui>
+#include <QtNetwork>
+
+#include "sender.h"
+
+Sender::Sender(QWidget *parent)
+    : QDialog(parent)
+{
+    groupAddress = QHostAddress("239.255.43.21");
+
+    statusLabel = new QLabel(tr("Ready to send datagrams to multicast group %1 on port 45454").arg(groupAddress.toString()));
+
+    startButton = new QPushButton(tr("&Start"));
+    quitButton = new QPushButton(tr("&Quit"));
+
+    buttonBox = new QDialogButtonBox;
+    buttonBox->addButton(startButton, QDialogButtonBox::ActionRole);
+    buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
+
+    timer = new QTimer(this);
+    udpSocket = new QUdpSocket(this);
+    messageNo = 1;
+
+    connect(startButton, SIGNAL(clicked()), this, SLOT(startSending()));
+    connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
+    connect(timer, SIGNAL(timeout()), this, SLOT(sendDatagram()));
+
+    QVBoxLayout *mainLayout = new QVBoxLayout;
+    mainLayout->addWidget(statusLabel);
+    mainLayout->addWidget(buttonBox);
+    setLayout(mainLayout);
+
+    setWindowTitle(tr("Multicast Sender"));
+}
+
+void Sender::startSending()
+{
+    startButton->setEnabled(false);
+    timer->start(1000);
+}
+
+void Sender::sendDatagram()
+{
+    statusLabel->setText(tr("Now sending datagram %1").arg(messageNo));
+    QByteArray datagram = "Multicast message " + QByteArray::number(messageNo);
+    udpSocket->writeDatagram(datagram.data(), datagram.size(),
+                             groupAddress, 45454);
+    ++messageNo;
+}
diff --git a/examples/network/multicastsender/sender.h b/examples/network/multicastsender/sender.h
new file mode 100644
index 0000000..176830b
--- /dev/null
+++ b/examples/network/multicastsender/sender.h
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SENDER_H
+#define SENDER_H
+
+#include <QDialog>
+#include <QHostAddress>
+
+QT_BEGIN_NAMESPACE
+class QDialogButtonBox;
+class QLabel;
+class QPushButton;
+class QTimer;
+class QUdpSocket;
+QT_END_NAMESPACE
+
+class Sender : public QDialog
+{
+    Q_OBJECT
+
+public:
+    Sender(QWidget *parent = 0);
+
+private slots:
+    void startSending();
+    void sendDatagram();
+
+private:
+    QLabel *statusLabel;
+    QPushButton *startButton;
+    QPushButton *quitButton;
+    QDialogButtonBox *buttonBox;
+    QUdpSocket *udpSocket;
+    QTimer *timer;
+    QHostAddress groupAddress;
+    int messageNo;
+};
+
+#endif
diff --git a/examples/network/network.pro b/examples/network/network.pro
index 458561a..0012a97 100644
--- a/examples/network/network.pro
+++ b/examples/network/network.pro
@@ -16,7 +16,9 @@ SUBDIRS       = \
                 threadedfortuneserver \
                 googlesuggest \
                 torrent \
-                bearermonitor
+                bearermonitor \
+                multicastreceiver \
+                multicastsender
 
     contains(QT_CONFIG, svg) {
         SUBDIRS += bearercloud
diff --git a/src/network/socket/qudpsocket.cpp b/src/network/socket/qudpsocket.cpp
index 1ff62cc..dffb5df 100644
--- a/src/network/socket/qudpsocket.cpp
+++ b/src/network/socket/qudpsocket.cpp
@@ -88,9 +88,11 @@
     to exchange datagrams without specifying the receiver for each
     datagram.
 
-    The \l{network/broadcastsender}{Broadcast Sender} and
-    \l{network/broadcastreceiver}{Broadcast Receiver} examples
-    illustrate how to use QUdpSocket in applications.
+    The \l{network/broadcastsender}{Broadcast Sender},
+    \l{network/broadcastreceiver}{Broadcast Receiver},
+    \l{network/multicastsender}{Multicast Sender}, and
+    \l{network/multicastreceiver}{Multicast Receiver} examples illustrate how
+    to use QUdpSocket in applications.
 
     \section1 Symbian Platform Security Requirements