qt 6.5.1 original

tests/auto/network/socket/qtcpsocket/stressTest/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## stressTest Binary:
+#####################################################################
+
+qt_internal_add_executable(stressTest
+    OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/"
+    SOURCES
+        Test.cpp Test.h
+        main.cpp
+    LIBRARIES
+        Qt::Network
+        Qt::Test
+)

tests/auto/network/socket/qtcpsocket/stressTest/Test.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+// Qt
+#include <QByteArray>
+#include <QCoreApplication>
+#include <QDataStream>
+#include <QTimer>
+
+// Test
+#include "Test.h"
+
+//------------------------------------------------------------------------------
+My4Socket::My4Socket(QObject *parent)
+    : QTcpSocket(parent), safeShutDown(false)
+{
+    connect(this, SIGNAL(readyRead()), this, SLOT(read()));
+    connect(this, SIGNAL(disconnected()), this, SLOT(closed()));
+}
+
+//------------------------------------------------------------------------------
+void My4Socket::read(void)
+{
+    QDataStream in(this);
+
+    quint32 num = 0;
+    quint32 reply = 0;
+
+    while (bytesAvailable()) {
+        in >> num;
+        if (num == 42) {
+            safeShutDown = true;
+            qDebug("SUCCESS");
+            QCoreApplication::instance()->quit();
+            return;
+        }
+        reply = num + 1;
+        if (reply == 42)
+            ++reply;
+    }
+
+    // Reply with a bigger number
+    sendTest(reply);
+}
+
+//------------------------------------------------------------------------------
+void My4Socket::closed(void)
+{
+    if (!safeShutDown)
+        qDebug("FAILED");
+    QCoreApplication::instance()->quit();
+}
+
+//------------------------------------------------------------------------------
+void My4Socket::sendTest(quint32 num)
+{
+    QByteArray  block;
+    QDataStream out(&block, QIODevice::WriteOnly);
+    out << num;
+
+    write(block, block.size());
+}
+
+//------------------------------------------------------------------------------
+My4Server::My4Server(QObject *parent)
+    : QTcpServer(parent)
+{
+    if (listen(QHostAddress::Any, 7700))
+        qDebug("qt4server");
+    QTimer::singleShot(5000, this, SLOT(stopServer()));
+}
+
+//------------------------------------------------------------------------------
+void My4Server::incomingConnection(qintptr socketId)
+{
+    m_socket = new My4Socket(this);
+    m_socket->setSocketDescriptor(socketId);
+}
+
+//------------------------------------------------------------------------------
+void My4Server::stopServer()
+{
+    if (m_socket) {
+        qDebug("SUCCESS");
+        m_socket->safeShutDown = true;
+        m_socket->sendTest(42);
+    } else {
+        QCoreApplication::instance()->quit();
+    }
+}
+
+//------------------------------------------------------------------------------
+Test::Test(Type type)
+{
+    switch (type) {
+    case Qt4Client: {
+        qDebug("qt4client");
+        My4Socket *s = new My4Socket(this);
+        s->connectToHost("localhost", 7700);
+        s->sendTest(1);
+        break;
+    }
+    case Qt4Server: {
+        new My4Server(this);
+        break;
+    }
+    default:
+        break;
+    }
+}

tests/auto/network/socket/qtcpsocket/stressTest/Test.h

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#ifndef TEST_H
+#define TEST_H
+
+//------------------------------------------------------------------------------
+
+#include <QTcpServer>
+#include <QTcpSocket>
+
+//------------------------------------------------------------------------------
+class My4Socket : public QTcpSocket
+{
+    Q_OBJECT
+public:
+    My4Socket(QObject *parent);
+
+    void sendTest(quint32 num);
+    bool safeShutDown;
+
+private slots:
+    void read();
+    void closed();
+};
+
+//------------------------------------------------------------------------------
+class My4Server : public QTcpServer
+{
+    Q_OBJECT
+public:
+    My4Server(QObject *parent = nullptr);
+
+protected:
+    void incomingConnection(qintptr socket) override;
+
+private slots:
+    void stopServer();
+
+private:
+    My4Socket *m_socket;
+};
+
+//------------------------------------------------------------------------------
+class Test : public QObject
+{
+    Q_OBJECT
+
+public:
+    enum Type {
+        Qt4Client,
+        Qt4Server,
+    };
+    Test(Type type);
+};
+
+//------------------------------------------------------------------------------
+#endif  // TEST_H

tests/auto/network/socket/qtcpsocket/stressTest/main.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#include "Test.h"
+
+#include <QCoreApplication>
+#include <QStringList>
+
+int main(int argc, char **argv)
+{
+    QCoreApplication app(argc, argv);
+
+    QString arg;
+    if (app.arguments().size() > 1)
+        arg = app.arguments().at(1).toLower().trimmed();
+
+    Test::Type type;
+    if (arg == QLatin1String("qt4client"))
+        type = Test::Qt4Client;
+    else if (arg == QLatin1String("qt4server"))
+        type = Test::Qt4Server;
+    else {
+        qDebug("usage: ./stressTest <qt4client|qt4server>");
+        return 0;
+    }
+
+    Test test(type);
+
+    return app.exec();
+}