134 lines
4.5 KiB
C++
134 lines
4.5 KiB
C++
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Nathan Osman
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <QCheckBox>
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#include <QGridLayout>
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#include <QHBoxLayout>
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#include <QIntValidator>
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#include <QLabel>
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#include <QLineEdit>
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#include <QPushButton>
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#include <QTextEdit>
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#include <QVBoxLayout>
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#include <qmdnsengine/dns.h>
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#include <qmdnsengine/query.h>
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#include <qmdnsengine/service.h>
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#include "mainwindow.h"
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MainWindow::MainWindow()
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: mHostname(&mServer),
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mProvider(0),
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mServiceName(new QLineEdit(tr("Test Service"))),
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mServiceType(new QLineEdit(tr("_test._tcp.local."))),
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mServicePort(new QLineEdit("1234")),
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mButton(new QPushButton(buttonCaption())),
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mShowQueries(new QCheckBox(tr("Show queries"))),
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mLog(new QTextEdit(tr("Initializing application")))
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{
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setWindowTitle(tr("mDNS Provider"));
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resize(640, 480);
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mServicePort->setValidator(new QIntValidator(1, 65535, this));
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mLog->setReadOnly(true);
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// Create the root layout
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QVBoxLayout *rootLayout = new QVBoxLayout;
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QWidget *widget = new QWidget;
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widget->setLayout(rootLayout);
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setCentralWidget(widget);
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// Create the horizontal layout for the grid and buttons
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QHBoxLayout *upperLayout = new QHBoxLayout;
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rootLayout->addLayout(upperLayout);
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// Create the grid layout for the line edits
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QGridLayout *gridLayout = new QGridLayout;
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gridLayout->addWidget(new QLabel(tr("Service name:")), 0, 0);
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gridLayout->addWidget(mServiceName, 0, 1);
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gridLayout->addWidget(new QLabel(tr("Service type:")), 1, 0);
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gridLayout->addWidget(mServiceType, 1, 1);
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gridLayout->addWidget(new QLabel(tr("Service port:")), 2, 0);
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gridLayout->addWidget(mServicePort, 2, 1);
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upperLayout->addLayout(gridLayout);
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// Create the layout for the buttons
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QVBoxLayout *buttonLayout = new QVBoxLayout;
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buttonLayout->addWidget(mButton);
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buttonLayout->addWidget(mShowQueries);
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buttonLayout->addWidget(new QWidget, 1);
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upperLayout->addLayout(buttonLayout);
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// Add the log
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rootLayout->addWidget(mLog, 1);
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connect(mButton, &QPushButton::clicked, this, &MainWindow::onClicked);
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connect(&mHostname, &QMdnsEngine::Hostname::hostnameChanged, this, &MainWindow::onHostnameChanged);
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connect(&mServer, &QMdnsEngine::Server::messageReceived, this, &MainWindow::onMessageReceived);
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}
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void MainWindow::onClicked()
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{
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if (mProvider) {
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mLog->append(tr("Destroying provider"));
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delete mProvider;
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mProvider = 0;
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} else {
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mLog->append(tr("Creating provider"));
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QMdnsEngine::Service service;
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service.setName(mServiceName->text().toUtf8());
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service.setType(mServiceType->text().toUtf8());
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service.setPort(mServicePort->text().toUShort());
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mProvider = new QMdnsEngine::Provider(&mServer, &mHostname, this);
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mProvider->update(service);
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}
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mButton->setText(buttonCaption());
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}
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void MainWindow::onHostnameChanged(const QByteArray &hostname)
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{
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mLog->append(tr("Hostname changed to %1").arg(QString(hostname)));
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}
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void MainWindow::onMessageReceived(const QMdnsEngine::Message &message)
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{
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if (!mShowQueries->isChecked()) {
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return;
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}
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const auto queries = message.queries();
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for (const QMdnsEngine::Query &query : queries) {
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mLog->append(
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tr("[%1] %2")
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.arg(QMdnsEngine::typeName(query.type()))
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.arg(QString(query.name()))
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);
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}
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}
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QString MainWindow::buttonCaption() const
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{
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return mProvider ? tr("Stop") : tr("Start");
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}
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