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** This file is part of the test suite of the Qt Toolkit.

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// Just to get Q_OS_SYMBIAN

#include <qglobal.h>

#if defined(_WIN32) && !defined(Q_OS_SYMBIAN)

#include <winsock2.h>

#else

#include <sys/types.h>

#include <sys/socket.h>

#define SOCKET int

#define INVALID_SOCKET -1

#endif

#include <QtTest/QtTest>

#ifndef Q_OS_WIN

#include <unistd.h>

#include <sys/ioctl.h>

#endif

#include <qcoreapplication.h>

#include <qtcpsocket.h>

#include <qtcpserver.h>

#include <qhostaddress.h>

#include <qprocess.h>

#include <qstringlist.h>

#include <qplatformdefs.h>

#include <qhostinfo.h>

#ifdef TEST_QNETWORK_PROXY

# include <QNetworkProxy>

Q_DECLARE_METATYPE(QNetworkProxy)

Q_DECLARE_METATYPE(QList<QNetworkProxy>)

#endif

#include "../network-settings.h"

//TESTED_CLASS=

//TESTED_FILES=

class tst_QTcpServer : public QObject

{

    Q_OBJECT

public:

    tst_QTcpServer();

    virtual ~tst_QTcpServer();

public slots:

    void initTestCase_data();

    void init();

    void cleanup();

private slots:

    void getSetCheck();

    void constructing();

    void clientServerLoop();

    void ipv6Server();

    void ipv4LoopbackPerformanceTest();

    void ipv6LoopbackPerformanceTest();

    void ipv4PerformanceTest();

    void crashTests();

    void maxPendingConnections();

    void listenError();

    void waitForConnectionTest();

    void setSocketDescriptor();

    void listenWhileListening();

    void addressReusable();

    void setNewSocketDescriptorBlocking();

#ifdef TEST_QNETWORK_PROXY

    void invalidProxy_data();

    void invalidProxy();

    void proxyFactory_data();

    void proxyFactory();

#endif

};

// Testing get/set functions

void tst_QTcpServer::getSetCheck()

{

    QTcpServer obj1;

    // int QTcpServer::maxPendingConnections()

    // void QTcpServer::setMaxPendingConnections(int)

    obj1.setMaxPendingConnections(0);

    QCOMPARE(0, obj1.maxPendingConnections());

    obj1.setMaxPendingConnections(INT_MIN);

    QCOMPARE(INT_MIN, obj1.maxPendingConnections());

    obj1.setMaxPendingConnections(INT_MAX);

    QCOMPARE(INT_MAX, obj1.maxPendingConnections());

}

tst_QTcpServer::tst_QTcpServer()

{

    Q_SET_DEFAULT_IAP

}

tst_QTcpServer::~tst_QTcpServer()

{

}

void tst_QTcpServer::initTestCase_data()

{

    QTest::addColumn<bool>("setProxy");

    QTest::addColumn<int>("proxyType");

    QTest::newRow("WithoutProxy") << false << 0;

#ifdef TEST_QNETWORK_PROXY

    QTest::newRow("WithSocks5Proxy") << true << int(QNetworkProxy::Socks5Proxy);

#endif

}

void tst_QTcpServer::init()

{

    QFETCH_GLOBAL(bool, setProxy);

    if (setProxy) {

#ifdef TEST_QNETWORK_PROXY

        QFETCH_GLOBAL(int, proxyType);

        if (proxyType == QNetworkProxy::Socks5Proxy) {

            QNetworkProxy::setApplicationProxy(QNetworkProxy(QNetworkProxy::Socks5Proxy, QtNetworkSettings::serverName(), 1080));

        }

#endif

    }

}

void tst_QTcpServer::cleanup()

{

#ifdef TEST_QNETWORK_PROXY

    QNetworkProxy::setApplicationProxy(QNetworkProxy::DefaultProxy);

#endif

}

//----------------------------------------------------------------------------------

void tst_QTcpServer::constructing()

{

    QTcpServer socket;

    // Check the initial state of the QTcpSocket.

    QCOMPARE(socket.isListening(), false);

    QCOMPARE((int)socket.serverPort(), 0);

    QCOMPARE(socket.serverAddress(), QHostAddress());

    QCOMPARE(socket.maxPendingConnections(), 30);

    QCOMPARE(socket.hasPendingConnections(), false);

    QCOMPARE(socket.socketDescriptor(), -1);

    QCOMPARE(socket.serverError(), QAbstractSocket::UnknownSocketError);

    // Check the state of the socket layer?

}

//----------------------------------------------------------------------------------

void tst_QTcpServer::clientServerLoop()

{

    QTcpServer server;

    QSignalSpy spy(&server, SIGNAL(newConnection()));

    QVERIFY(!server.isListening());

    QVERIFY(!server.hasPendingConnections());

    QVERIFY(server.listen(QHostAddress::Any, 11423));

    QVERIFY(server.isListening());

    QTcpSocket client;

    QHostAddress serverAddress = QHostAddress::LocalHost;

    if (!(server.serverAddress() == QHostAddress::Any))

        serverAddress = server.serverAddress();

    client.connectToHost(serverAddress, server.serverPort());

    QVERIFY(client.waitForConnected(5000));

    QVERIFY(server.waitForNewConnection(5000));

    QVERIFY(server.hasPendingConnections());

    QCOMPARE(spy.count(), 1);

    QTcpSocket *serverSocket = server.nextPendingConnection();

    QVERIFY(serverSocket != 0);

    QVERIFY(serverSocket->write("Greetings, client!\n", 19) == 19);

    serverSocket->flush();

    QVERIFY(client.waitForReadyRead(5000));

    QByteArray arr = client.readAll();

    QCOMPARE(arr.constData(), "Greetings, client!\n");

    QVERIFY(client.write("Well, hello to you!\n", 20) == 20);

    client.flush();

    QVERIFY(serverSocket->waitForReadyRead(5000));

    arr = serverSocket->readAll();

    QCOMPARE(arr.constData(), "Well, hello to you!\n");

}

//----------------------------------------------------------------------------------

void tst_QTcpServer::ipv6Server()

{

#if defined(Q_OS_SYMBIAN)

    QSKIP("Symbian: IPv6 is not yet supported", SkipAll);

#endif

    //### need to enter the event loop for the server to get the connection ?? ( windows)

    QTcpServer server;

    if (!server.listen(QHostAddress::LocalHostIPv6, 8944)) {

        QVERIFY(server.serverError() == QAbstractSocket::UnsupportedSocketOperationError);

        return;

    }

    QVERIFY(server.serverPort() == 8944);

    QVERIFY(server.serverAddress() == QHostAddress::LocalHostIPv6);

    QTcpSocket client;

    client.connectToHost("::1", 8944);

    QVERIFY(client.waitForConnected(5000));

    QVERIFY(server.waitForNewConnection());

    QVERIFY(server.hasPendingConnections());

    QTcpSocket *serverSocket = 0;

    QVERIFY((serverSocket = server.nextPendingConnection()));

}

//----------------------------------------------------------------------------------

void tst_QTcpServer::ipv4LoopbackPerformanceTest()

{

    QFETCH_GLOBAL(bool, setProxy);

    if (setProxy)

        return;

    QTcpServer server;

    QVERIFY(server.listen(QHostAddress::LocalHost));

    QVERIFY(server.isListening());

    QTcpSocket clientA;

    clientA.connectToHost(QHostAddress::LocalHost, server.serverPort());

    QVERIFY(clientA.waitForConnected(5000));

    QVERIFY(clientA.state() == QAbstractSocket::ConnectedState);

    QVERIFY(server.waitForNewConnection());

    QTcpSocket *clientB = server.nextPendingConnection();

    QVERIFY(clientB);

    QByteArray buffer(16384, '@');

    QTime stopWatch;

    stopWatch.start();

    qlonglong totalWritten = 0;

    while (stopWatch.elapsed() < 5000) {

        QVERIFY(clientA.write(buffer.data(), buffer.size()) > 0);

        clientA.flush();

        totalWritten += buffer.size();

        while (clientB->waitForReadyRead(100)) {

            if (clientB->bytesAvailable() == 16384)

                break;

        }

        clientB->read(buffer.data(), buffer.size());

        clientB->write(buffer.data(), buffer.size());

        clientB->flush();

        totalWritten += buffer.size();

        while (clientA.waitForReadyRead(100)) {

            if (clientA.bytesAvailable() == 16384)

                break;

        }

        clientA.read(buffer.data(), buffer.size());

    }

    qDebug("\t\t%s: %.1fMB/%.1fs: %.1fMB/s",

           server.serverAddress().toString().toLatin1().constData(),

           totalWritten / (1024.0 * 1024.0),

           stopWatch.elapsed() / 1000.0,

           (totalWritten / (stopWatch.elapsed() / 1000.0)) / (1024 * 1024));

    delete clientB;

}

//----------------------------------------------------------------------------------

void tst_QTcpServer::ipv6LoopbackPerformanceTest()

{

#if defined(Q_OS_SYMBIAN)

    QSKIP("Symbian: IPv6 is not yet supported", SkipAll);

#endif

    QTcpServer server;

    if (!server.listen(QHostAddress::LocalHostIPv6, 0)) {

        QVERIFY(server.serverError() == QAbstractSocket::UnsupportedSocketOperationError);

    } else {

        QTcpSocket clientA;

        clientA.connectToHost(server.serverAddress(), server.serverPort());

        QVERIFY(clientA.waitForConnected(5000));

        QVERIFY(server.waitForNewConnection(5000));

        QTcpSocket *clientB = server.nextPendingConnection();

        QVERIFY(clientB);

        QByteArray buffer(16384, '@');

        QTime stopWatch;

        stopWatch.start();

        qlonglong totalWritten = 0;

        while (stopWatch.elapsed() < 5000) {

            clientA.write(buffer.data(), buffer.size());

            clientA.flush();

            totalWritten += buffer.size();

            while (clientB->waitForReadyRead(100)) {

                if (clientB->bytesAvailable() == 16384)

                    break;

            }

            clientB->read(buffer.data(), buffer.size());

            clientB->write(buffer.data(), buffer.size());

            clientB->flush();

            totalWritten += buffer.size();

            while (clientA.waitForReadyRead(100)) {

                if (clientA.bytesAvailable() == 16384)

                   break;

            }

            clientA.read(buffer.data(), buffer.size());

        }

        qDebug("\t\t%s: %.1fMB/%.1fs: %.1fMB/s",

               server.serverAddress().toString().toLatin1().constData(),

               totalWritten / (1024.0 * 1024.0),

               stopWatch.elapsed() / 1000.0,

               (totalWritten / (stopWatch.elapsed() / 1000.0)) / (1024 * 1024));

        delete clientB;

    }

}

//----------------------------------------------------------------------------------

void tst_QTcpServer::ipv4PerformanceTest()

{

    QTcpSocket probeSocket;

    probeSocket.connectToHost(QtNetworkSettings::serverName(), 143);

    QVERIFY(probeSocket.waitForConnected(5000));

    QTcpServer server;

    QVERIFY(server.listen(probeSocket.localAddress(), 0));

    QTcpSocket clientA;

    clientA.connectToHost(server.serverAddress(), server.serverPort());

    QVERIFY(clientA.waitForConnected(5000));

    QVERIFY(server.waitForNewConnection(5000));

    QTcpSocket *clientB = server.nextPendingConnection();

    QVERIFY(clientB);

    QByteArray buffer(16384, '@');

    QTime stopWatch;

    stopWatch.start();

    qlonglong totalWritten = 0;

    while (stopWatch.elapsed() < 5000) {

        qlonglong writtenA = clientA.write(buffer.data(), buffer.size());

        clientA.flush();

        totalWritten += buffer.size();

        while (clientB->waitForReadyRead(100)) {

            if (clientB->bytesAvailable() == writtenA)

                break;

        }

        clientB->read(buffer.data(), buffer.size());

        qlonglong writtenB = clientB->write(buffer.data(), buffer.size());

        clientB->flush();

        totalWritten += buffer.size();

        while (clientA.waitForReadyRead(100)) {

            if (clientA.bytesAvailable() == writtenB)

               break;

        }

        clientA.read(buffer.data(), buffer.size());

    }

    qDebug("\t\t%s: %.1fMB/%.1fs: %.1fMB/s",

           probeSocket.localAddress().toString().toLatin1().constData(),

           totalWritten / (1024.0 * 1024.0),

           stopWatch.elapsed() / 1000.0,

           (totalWritten / (stopWatch.elapsed() / 1000.0)) / (1024 * 1024));

    delete clientB;

}

//----------------------------------------------------------------------------------

void tst_QTcpServer::crashTests()

{

    QTcpServer server;

    server.close();

    QVERIFY(server.listen());

}

//----------------------------------------------------------------------------------

void tst_QTcpServer::maxPendingConnections()

{

    QFETCH_GLOBAL(bool, setProxy);

    if (setProxy) {

#ifdef TEST_QNETWORK_PROXY

        QFETCH_GLOBAL(int, proxyType);

        if (proxyType == QNetworkProxy::Socks5Proxy) {

            QSKIP("With socks5 only 1 connection is allowed ever", SkipAll);

        }

#endif

    }

    //### sees to fail sometimes ... a timing issue with the test on windows

    QTcpServer server;

    server.setMaxPendingConnections(2);

    QTcpSocket socket1;

    QTcpSocket socket2;

    QTcpSocket socket3;

    QVERIFY(server.listen());

    socket1.connectToHost(QHostAddress::LocalHost, server.serverPort());

    socket2.connectToHost(QHostAddress::LocalHost, server.serverPort());

    socket3.connectToHost(QHostAddress::LocalHost, server.serverPort());

    QVERIFY(server.waitForNewConnection(5000));

    QVERIFY(server.hasPendingConnections());

    QVERIFY(server.nextPendingConnection());

    QVERIFY(server.hasPendingConnections());

    QVERIFY(server.nextPendingConnection());

    QVERIFY(!server.hasPendingConnections());

    QCOMPARE(server.nextPendingConnection(), (QTcpSocket*)0);

    QVERIFY(server.waitForNewConnection(5000));

    QVERIFY(server.hasPendingConnections());

    QVERIFY(server.nextPendingConnection());

}

//----------------------------------------------------------------------------------

void tst_QTcpServer::listenError()

{

    QFETCH_GLOBAL(bool, setProxy);

    if (setProxy) {

#ifdef TEST_QNETWORK_PROXY

        QFETCH_GLOBAL(int, proxyType);

        if (proxyType == QNetworkProxy::Socks5Proxy) {

            QSKIP("With socks5 we can not make hard requirements on the address or port", SkipAll);

        }

#endif

    }

    QTcpServer server;

    QVERIFY(!server.listen(QHostAddress("1.2.3.4"), 0));

    QCOMPARE(server.serverError(), QAbstractSocket::SocketAddressNotAvailableError);

    QCOMPARE(server.errorString().toLatin1().constData(), "The address is not available");

}

class ThreadConnector : public QThread

{

public:

    ThreadConnector(const QHostAddress &host, quint16 port)

        : host(host), port(port)

    { }

    ~ThreadConnector()

    {

        wait();

    }

protected:

    void run()

    {

        sleep(2);

        QTcpSocket socket;

        socket.connectToHost(host, port);

        QEventLoop loop;

        QTimer::singleShot(5000, &loop, SLOT(quit()));

        loop.exec();

    }

private:

    QHostAddress host;

    quint16 port;

};

//----------------------------------------------------------------------------------

void tst_QTcpServer::waitForConnectionTest()

{

    QFETCH_GLOBAL(bool, setProxy);

    if (setProxy) {

#ifdef TEST_QNETWORK_PROXY

        QFETCH_GLOBAL(int, proxyType);

        if (proxyType == QNetworkProxy::Socks5Proxy) {

            QSKIP("Localhost servers don't work well with SOCKS5", SkipAll);

        }

#endif

    }

    QTcpSocket findLocalIpSocket;

    findLocalIpSocket.connectToHost(QtNetworkSettings::serverName(), 143);

    QVERIFY(findLocalIpSocket.waitForConnected(2000));

    QTcpServer server;