添加广播MDNS服务

FactoryTestTool/ThirdParty/qmdnsengine-master/examples/provider/mainwindow.cpp

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