111 lines
4.2 KiB
C++
111 lines
4.2 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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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 Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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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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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtGui>
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#include <QtNetwork>
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#include <stdlib.h>
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#include "server.h"
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#include <qlocalserver.h>
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#include <qlocalsocket.h>
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Server::Server(QWidget *parent)
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: QDialog(parent)
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{
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statusLabel = new QLabel;
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quitButton = new QPushButton(tr("Quit"));
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quitButton->setAutoDefault(false);
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server = new QLocalServer(this);
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if (!server->listen("fortune")) {
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QMessageBox::critical(this, tr("Fortune Server"),
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tr("Unable to start the server: %1.")
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.arg(server->errorString()));
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close();
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return;
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}
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statusLabel->setText(tr("The server is running.\n"
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"Run the Fortune Client example now."));
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fortunes << tr("You've been leading a dog's life. Stay off the furniture.")
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<< tr("You've got to think about tomorrow.")
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<< tr("You will be surprised by a loud noise.")
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<< tr("You will feel hungry again in another hour.")
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<< tr("You might have mail.")
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<< tr("You cannot kill time without injuring eternity.")
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<< tr("Computers are not intelligent. They only think they are.");
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connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
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connect(server, SIGNAL(newConnection()), this, SLOT(sendFortune()));
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QHBoxLayout *buttonLayout = new QHBoxLayout;
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buttonLayout->addStretch(1);
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buttonLayout->addWidget(quitButton);
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buttonLayout->addStretch(1);
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QVBoxLayout *mainLayout = new QVBoxLayout;
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mainLayout->addWidget(statusLabel);
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mainLayout->addLayout(buttonLayout);
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setLayout(mainLayout);
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setWindowTitle(tr("Fortune Server"));
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}
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void Server::sendFortune()
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{
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QByteArray block;
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QDataStream out(&block, QIODevice::WriteOnly);
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out.setVersion(QDataStream::Qt_4_0);
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out << (quint16)0;
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out << fortunes.at(qrand() % fortunes.size());
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out.device()->seek(0);
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out << (quint16)(block.size() - sizeof(quint16));
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QLocalSocket *clientConnection = server->nextPendingConnection();
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connect(clientConnection, SIGNAL(disconnected()),
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clientConnection, SLOT(deleteLater()));
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clientConnection->write(block);
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clientConnection->flush();
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clientConnection->disconnectFromServer();
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}
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