Long live Qt 4.5!

1 files changed, 138 insertions, 0 deletions

diff --git a/examples/network/blockingfortuneclient/fortunethread.cpp b/examples/network/blockingfortuneclient/fortunethread.cpp
new file mode 100644
index 0000000..af1c612
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+++ b/examples/network/blockingfortuneclient/fortunethread.cpp
@@ -0,0 +1,138 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtNetwork>
+
+#include "fortunethread.h"
+
+FortuneThread::FortuneThread(QObject *parent)
+    : QThread(parent), quit(false)
+{
+}
+
+//! [0]
+FortuneThread::~FortuneThread()
+{
+    mutex.lock();
+    quit = true;
+    cond.wakeOne();
+    mutex.unlock();
+    wait();
+}
+//! [0]
+
+//! [1] //! [2]
+void FortuneThread::requestNewFortune(const QString &hostName, quint16 port)
+{
+//! [1]
+    QMutexLocker locker(&mutex);
+    this->hostName = hostName;
+    this->port = port;
+//! [3]
+    if (!isRunning())
+        start();
+    else
+        cond.wakeOne();
+}
+//! [2] //! [3]
+
+//! [4]
+void FortuneThread::run()
+{
+    mutex.lock();
+//! [4] //! [5]
+    QString serverName = hostName;
+    quint16 serverPort = port;
+    mutex.unlock();
+//! [5]
+
+//! [6]
+    while (!quit) {
+//! [7]
+        const int Timeout = 5 * 1000;
+
+        QTcpSocket socket;
+        socket.connectToHost(serverName, serverPort);
+//! [6] //! [8]
+
+        if (!socket.waitForConnected(Timeout)) {
+            emit error(socket.error(), socket.errorString());
+            return;
+        }
+//! [8] //! [9]
+
+        while (socket.bytesAvailable() < (int)sizeof(quint16)) {
+            if (!socket.waitForReadyRead(Timeout)) {
+                emit error(socket.error(), socket.errorString());
+                return;
+            }
+//! [9] //! [10]
+        }
+//! [10] //! [11]
+
+        quint16 blockSize;
+        QDataStream in(&socket);
+        in.setVersion(QDataStream::Qt_4_0);
+        in >> blockSize;
+//! [11] //! [12]
+
+        while (socket.bytesAvailable() < blockSize) {
+            if (!socket.waitForReadyRead(Timeout)) {
+                emit error(socket.error(), socket.errorString());
+                return;
+            }
+//! [12] //! [13]
+        }
+//! [13] //! [14]
+
+        mutex.lock();
+        QString fortune;
+        in >> fortune;
+        emit newFortune(fortune);
+//! [7] //! [14] //! [15]
+
+        cond.wait(&mutex);
+        serverName = hostName;
+        serverPort = port;
+        mutex.unlock();
+    }
+//! [15]
+}