summaryrefslogtreecommitdiffstats
path: root/tests/auto/network/socket/qtcpserver/tst_qtcpserver.cpp
blob: f730f67c1e6922894b1f3f9f527753d52266e758 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <qglobal.h>
#if defined(_WIN32)
#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>

#include <QNetworkProxy>
Q_DECLARE_METATYPE(QNetworkProxy)
Q_DECLARE_METATYPE(QList<QNetworkProxy>)

#include <QNetworkSession>
#include <QNetworkConfiguration>
#include <QNetworkConfigurationManager>
#include "../../../network-settings.h"

class tst_QTcpServer : public QObject
{
    Q_OBJECT

public:
    tst_QTcpServer();
    virtual ~tst_QTcpServer();


public slots:
    void initTestCase_data();
    void initTestCase();
    void init();
    void cleanup();
private slots:
    void getSetCheck();
    void constructing();
    void clientServerLoop();
    void ipv6Server();
    void dualStack_data();
    void dualStack();
    void ipv6ServerMapped();
    void crashTests();
    void maxPendingConnections();
    void listenError();
    void waitForConnectionTest();
    void setSocketDescriptor();
    void listenWhileListening();
#ifndef QT_NO_PROCESS
    void addressReusable();
#endif
    void setNewSocketDescriptorBlocking();
    void invalidProxy_data();
    void invalidProxy();
    void proxyFactory_data();
    void proxyFactory();

    void qtbug14268_peek();

    void serverAddress_data();
    void serverAddress();

    void qtbug6305_data() { serverAddress_data(); }
    void qtbug6305();

    void linkLocal();

private:
#ifndef QT_NO_BEARERMANAGEMENT
    QNetworkSession *networkSession;
#endif
    QString crashingServerDir;
};

// 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()
{
}

tst_QTcpServer::~tst_QTcpServer()
{
}

void tst_QTcpServer::initTestCase_data()
{
    QTest::addColumn<bool>("setProxy");
    QTest::addColumn<int>("proxyType");

    QTest::newRow("WithoutProxy") << false << 0;
    QTest::newRow("WithSocks5Proxy") << true << int(QNetworkProxy::Socks5Proxy);

    crashingServerDir = QFINDTESTDATA("crashingServer");
    QVERIFY2(!crashingServerDir.isEmpty(), qPrintable(
        QString::fromLatin1("Couldn't find crashingServer dir starting from %1.").arg(QDir::currentPath())));
}

void tst_QTcpServer::initTestCase()
{
    QVERIFY(QtNetworkSettings::verifyTestNetworkSettings());
#ifndef QT_NO_BEARERMANAGEMENT
    QNetworkConfigurationManager man;
    networkSession = new QNetworkSession(man.defaultConfiguration(), this);
    networkSession->open();
    QVERIFY(networkSession->waitForOpened());
#endif
}

void tst_QTcpServer::init()
{
    QFETCH_GLOBAL(bool, setProxy);
    if (setProxy) {
        QFETCH_GLOBAL(int, proxyType);
        if (proxyType == QNetworkProxy::Socks5Proxy) {
            QNetworkProxy::setApplicationProxy(QNetworkProxy(QNetworkProxy::Socks5Proxy, QtNetworkSettings::serverName(), 1080));
        }
    }
}

void tst_QTcpServer::cleanup()
{
    QNetworkProxy::setApplicationProxy(QNetworkProxy::DefaultProxy);
}

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

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(), (qintptr)-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) && !(server.serverAddress() == QHostAddress::AnyIPv6))
        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()
{
    //### 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()));
    serverSocket->close();
    delete serverSocket;
}

Q_DECLARE_METATYPE(QHostAddress);

void tst_QTcpServer::dualStack_data()
{
    QTest::addColumn<QHostAddress>("bindAddress");
    QTest::addColumn<bool>("v4ok");
    QTest::addColumn<bool>("v6ok");
    QTest::newRow("any") << QHostAddress(QHostAddress::Any) << true << true;
    QTest::newRow("anyIPv4") << QHostAddress(QHostAddress::AnyIPv4) << true << false;
    QTest::newRow("anyIPv6") << QHostAddress(QHostAddress::AnyIPv6) << false << true;
}

void tst_QTcpServer::dualStack()
{
    QFETCH_GLOBAL(bool, setProxy);
    if (setProxy)
        QSKIP("test server proxy doesn't support ipv6");
    QFETCH(QHostAddress, bindAddress);
    QFETCH(bool, v4ok);
    QFETCH(bool, v6ok);

    QTcpServer server;
    QVERIFY(server.listen(bindAddress));

    QTcpSocket v4client;
    v4client.connectToHost(QHostAddress::LocalHost, server.serverPort());

    QTcpSocket v6client;
    v6client.connectToHost(QHostAddress::LocalHostIPv6, server.serverPort());

    QCOMPARE(v4client.waitForConnected(5000), v4ok);
    QCOMPARE(v6client.waitForConnected(5000), v6ok);
}

//----------------------------------------------------------------------------------
void tst_QTcpServer::ipv6ServerMapped()
{
    QFETCH_GLOBAL(bool, setProxy);
    if (setProxy)
        return;

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

    // let's try the normal case
    QTcpSocket client1;
    client1.connectToHost("127.0.0.1", server.serverPort());
    QVERIFY(server.waitForNewConnection(5000));
    delete server.nextPendingConnection();

    // let's try the mapped one in the nice format
    QTcpSocket client2;
    client2.connectToHost("::ffff:127.0.0.1", server.serverPort());
    QVERIFY(server.waitForNewConnection(5000));
    delete server.nextPendingConnection();

    // let's try the mapped in hex format
    QTcpSocket client3;
    client3.connectToHost("::ffff:7F00:0001", server.serverPort());
    QVERIFY(server.waitForNewConnection(5000));
    delete server.nextPendingConnection();

    // However connecting to the v6 localhost should not work
    QTcpSocket client4;
    client4.connectToHost("::1", server.serverPort());
    QVERIFY(!server.waitForNewConnection(5000));
}

//----------------------------------------------------------------------------------
void tst_QTcpServer::crashTests()
{
    QTcpServer server;
    server.close();
    QVERIFY(server.listen());
}

//----------------------------------------------------------------------------------
void tst_QTcpServer::maxPendingConnections()
{
    QFETCH_GLOBAL(bool, setProxy);
    if (setProxy) {
        QFETCH_GLOBAL(int, proxyType);
        if (proxyType == QNetworkProxy::Socks5Proxy)
            QSKIP("With socks5 only 1 connection is allowed ever");
    }
    //### 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) {
        QFETCH_GLOBAL(int, proxyType);
        if (proxyType == QNetworkProxy::Socks5Proxy)
            QSKIP("With socks5 we can not make hard requirements on the address or port");
    }
    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) {
        QFETCH_GLOBAL(int, proxyType);
        if (proxyType == QNetworkProxy::Socks5Proxy)
            QSKIP("Localhost servers don't work well with SOCKS5");
    }

    QTcpSocket findLocalIpSocket;
    findLocalIpSocket.connectToHost(QtNetworkSettings::serverName(), 143);
    QVERIFY(findLocalIpSocket.waitForConnected(5000));

    QTcpServer server;
    bool timeout = false;
    QVERIFY(server.listen(findLocalIpSocket.localAddress()));
    QVERIFY(!server.waitForNewConnection(1000, &timeout));
    QCOMPARE(server.serverError(), QAbstractSocket::SocketTimeoutError);
    QVERIFY(timeout);

    ThreadConnector connector(findLocalIpSocket.localAddress(), server.serverPort());
    connector.start();

#if defined(Q_OS_WINCE)
    QVERIFY(server.waitForNewConnection(9000, &timeout));
#else
    QVERIFY(server.waitForNewConnection(3000, &timeout));
#endif
    QVERIFY(!timeout);
}

//----------------------------------------------------------------------------------
void tst_QTcpServer::setSocketDescriptor()
{
    QTcpServer server;
    QVERIFY(!server.setSocketDescriptor(42));
    QCOMPARE(server.serverError(), QAbstractSocket::UnsupportedSocketOperationError);
    //adopting Open C sockets is not supported, neither is adopting externally created RSocket
#ifdef Q_OS_WIN
    // ensure winsock is started
    WSADATA wsaData;
    QVERIFY(WSAStartup(MAKEWORD(2,0), &wsaData) == NO_ERROR);
#endif

    SOCKET sock = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);

    QVERIFY(sock != INVALID_SOCKET);

    sockaddr_in sin;
    memset(&sin, 0, sizeof(sockaddr_in));
    sin.sin_family = AF_INET;
    sin.sin_port = 0;
    sin.sin_addr.s_addr = 0x00000000;
    QVERIFY(::bind(sock, (sockaddr*)&sin, sizeof(sockaddr_in)) == 0);
    QVERIFY(::listen(sock, 10) == 0);
    QVERIFY(server.setSocketDescriptor(sock));

#ifdef Q_OS_WIN
    WSACleanup();
#endif
}

//----------------------------------------------------------------------------------
void tst_QTcpServer::listenWhileListening()
{
    QTcpServer server;
    QVERIFY(server.listen());
    QTest::ignoreMessage(QtWarningMsg, "QTcpServer::listen() called when already listening");
    QVERIFY(!server.listen());
}

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

class SeverWithBlockingSockets : public QTcpServer
{
public:
    SeverWithBlockingSockets()
        : ok(false) { }

    bool ok;

protected:
    void incomingConnection(qintptr socketDescriptor)
    {
        // how a user woulddo it (qabstractsocketengine is not public)
        unsigned long arg = 0;
#if defined(Q_OS_WIN)
        ok = ::ioctlsocket(socketDescriptor, FIONBIO, &arg) == 0;
        ::closesocket(socketDescriptor);
#else
        ok = ::ioctl(socketDescriptor, FIONBIO, &arg) == 0;
        ::close(socketDescriptor);
#endif
    }
};

#ifndef QT_NO_PROCESS
void tst_QTcpServer::addressReusable()
{
    QFETCH_GLOBAL(bool, setProxy);
    if (setProxy) {
        QFETCH_GLOBAL(int, proxyType);
        if (proxyType == QNetworkProxy::Socks5Proxy)
            QSKIP("With socks5 this test does not make senans at the momment");
    }
#if defined(Q_OS_WINCE)
    QString signalName = QString::fromLatin1("/test_signal.txt");
    QFile::remove(signalName);
    // The crashingServer process will crash once it gets a connection.
    QProcess process;
    QString processExe = crashingServerDir + "/crashingServer";
    process.start(processExe);
    QVERIFY2(process.waitForStarted(), qPrintable(
        QString::fromLatin1("Could not start %1: %2").arg(processExe, process.errorString())));
    int waitCount = 5;
    while (waitCount-- && !QFile::exists(signalName))
        QTest::qWait(1000);
    QVERIFY(QFile::exists(signalName));
    QFile::remove(signalName);
#else
    // The crashingServer process will crash once it gets a connection.
    QProcess process;
    QString processExe = crashingServerDir + "/crashingServer";
    process.start(processExe);
    QVERIFY2(process.waitForStarted(), qPrintable(
        QString::fromLatin1("Could not start %1: %2").arg(processExe, process.errorString())));
    QVERIFY(process.waitForReadyRead(5000));
#endif

    QTcpSocket socket;
    socket.connectToHost(QHostAddress::LocalHost, 49199);
    QVERIFY(socket.waitForConnected(5000));

    QVERIFY(process.waitForFinished(30000));

    // Give the system some time.
    QTest::qSleep(10);

    QTcpServer server;
    QVERIFY(server.listen(QHostAddress::LocalHost, 49199));
}
#endif

void tst_QTcpServer::setNewSocketDescriptorBlocking()
{
    QFETCH_GLOBAL(bool, setProxy);
    if (setProxy) {
        QFETCH_GLOBAL(int, proxyType);
        if (proxyType == QNetworkProxy::Socks5Proxy)
            QSKIP("With socks5 we can not make the socket descripter blocking");
    }
    SeverWithBlockingSockets server;
    QVERIFY(server.listen());

    QTcpSocket socket;
    socket.connectToHost(QHostAddress::LocalHost, server.serverPort());
    QVERIFY(server.waitForNewConnection(5000));
    QVERIFY(server.ok);
}

void tst_QTcpServer::invalidProxy_data()
{
    QTest::addColumn<int>("type");
    QTest::addColumn<QString>("host");
    QTest::addColumn<int>("port");
    QTest::addColumn<int>("expectedError");

    QString fluke = QHostInfo::fromName(QtNetworkSettings::serverName()).addresses().first().toString();
    QTest::newRow("ftp-proxy") << int(QNetworkProxy::FtpCachingProxy) << fluke << 143
                               << int(QAbstractSocket::UnsupportedSocketOperationError);
    QTest::newRow("http-proxy") << int(QNetworkProxy::HttpProxy) << fluke << 3128
                                << int(QAbstractSocket::UnsupportedSocketOperationError);

    QTest::newRow("no-such-host") << int(QNetworkProxy::Socks5Proxy)
                                  << "this-host-will-never-exist.troll.no" << 1080
                                  << int(QAbstractSocket::ProxyNotFoundError);
    QTest::newRow("socks5-on-http") << int(QNetworkProxy::Socks5Proxy) << fluke << 3128
                                    << int(QAbstractSocket::SocketTimeoutError);
}

void tst_QTcpServer::invalidProxy()
{
    QFETCH_GLOBAL(bool, setProxy);
    if (setProxy)
        return;

    QFETCH(int, type);
    QFETCH(QString, host);
    QFETCH(int, port);
    QNetworkProxy::ProxyType proxyType = QNetworkProxy::ProxyType(type);
    QNetworkProxy proxy(proxyType, host, port);

    QTcpServer server;
    server.setProxy(proxy);
    bool listenResult = server.listen();

    QVERIFY(!listenResult);
    QVERIFY(!server.errorString().isEmpty());

    // note: the following test is not a hard failure.
    // Sometimes, error codes change for the better
    QTEST(int(server.serverError()), "expectedError");
}

// copied from tst_qnetworkreply.cpp
class MyProxyFactory: public QNetworkProxyFactory
{
public:
    int callCount;
    QList<QNetworkProxy> toReturn;
    QNetworkProxyQuery lastQuery;
    inline MyProxyFactory() { clear(); }

    inline void clear()
    {
        callCount = 0;
        toReturn = QList<QNetworkProxy>() << QNetworkProxy::DefaultProxy;
        lastQuery = QNetworkProxyQuery();
    }

    virtual QList<QNetworkProxy> queryProxy(const QNetworkProxyQuery &query)
    {
        lastQuery = query;
        ++callCount;
        return toReturn;
    }
};

void tst_QTcpServer::proxyFactory_data()
{
    QTest::addColumn<QList<QNetworkProxy> >("proxyList");
    QTest::addColumn<QNetworkProxy>("proxyUsed");
    QTest::addColumn<bool>("fails");
    QTest::addColumn<int>("expectedError");

    QList<QNetworkProxy> proxyList;

    // tests that do get to listen

    proxyList << QNetworkProxy(QNetworkProxy::Socks5Proxy, QtNetworkSettings::serverName(), 1080);
    QTest::newRow("socks5")
        << proxyList << proxyList.at(0)
        << false << int(QAbstractSocket::UnknownSocketError);

    proxyList.clear();
    proxyList << QNetworkProxy(QNetworkProxy::HttpCachingProxy, QtNetworkSettings::serverName(), 3128)
              << QNetworkProxy(QNetworkProxy::Socks5Proxy, QtNetworkSettings::serverName(), 1080);
    QTest::newRow("cachinghttp+socks5")
        << proxyList << proxyList.at(1)
        << false << int(QAbstractSocket::UnknownSocketError);

    proxyList.clear();
    proxyList << QNetworkProxy(QNetworkProxy::FtpCachingProxy, QtNetworkSettings::serverName(), 2121)
              << QNetworkProxy(QNetworkProxy::HttpCachingProxy, QtNetworkSettings::serverName(), 3128)
              << QNetworkProxy(QNetworkProxy::Socks5Proxy, QtNetworkSettings::serverName(), 1080);
    QTest::newRow("ftp+cachinghttp+socks5")
        << proxyList << proxyList.at(2)
        << false << int(QAbstractSocket::UnknownSocketError);

    // tests that fail to listen
    proxyList.clear();
    proxyList << QNetworkProxy(QNetworkProxy::HttpProxy, QtNetworkSettings::serverName(), 3128);
    QTest::newRow("http")
        << proxyList << proxyList.at(0)
        << true << int(QAbstractSocket::UnsupportedSocketOperationError);

    proxyList.clear();
    proxyList << QNetworkProxy(QNetworkProxy::HttpCachingProxy, QtNetworkSettings::serverName(), 3128);
    QTest::newRow("cachinghttp")
        << proxyList << QNetworkProxy()
        << true << int(QAbstractSocket::UnsupportedSocketOperationError);

    proxyList.clear();
    proxyList << QNetworkProxy(QNetworkProxy::FtpCachingProxy, QtNetworkSettings::serverName(), 2121);
    QTest::newRow("ftp")
        << proxyList << QNetworkProxy()
        << true << int(QAbstractSocket::UnsupportedSocketOperationError);

    proxyList.clear();
    proxyList << QNetworkProxy(QNetworkProxy::FtpCachingProxy, QtNetworkSettings::serverName(), 2121)
              << QNetworkProxy(QNetworkProxy::HttpCachingProxy, QtNetworkSettings::serverName(), 3128);
    QTest::newRow("ftp+cachinghttp")
        << proxyList << QNetworkProxy()
        << true << int(QAbstractSocket::UnsupportedSocketOperationError);
}

void tst_QTcpServer::proxyFactory()
{
    QFETCH_GLOBAL(bool, setProxy);
    if (setProxy)
        return;

    QFETCH(QList<QNetworkProxy>, proxyList);
    QFETCH(QNetworkProxy, proxyUsed);
    QFETCH(bool, fails);

    MyProxyFactory *factory = new MyProxyFactory;
    factory->toReturn = proxyList;
    QNetworkProxyFactory::setApplicationProxyFactory(factory);

    QTcpServer server;
    bool listenResult = server.listen();

    // Verify that the factory was called properly
    QCOMPARE(factory->callCount, 1);
    QCOMPARE(factory->lastQuery, QNetworkProxyQuery(0, QString(), QNetworkProxyQuery::TcpServer));

    QCOMPARE(listenResult, !fails);
    QCOMPARE(server.errorString().isEmpty(), !fails);

    // note: the following test is not a hard failure.
    // Sometimes, error codes change for the better
    QTEST(int(server.serverError()), "expectedError");
}

class Qtbug14268Helper : public QObject
{
    Q_OBJECT
public:
    QByteArray lastDataPeeked;
public slots:
    void newConnection() {
        QTcpServer* server=static_cast<QTcpServer*>(sender());
        QTcpSocket* s=server->nextPendingConnection();
        connect(s,SIGNAL(readyRead()),this,SLOT(onServerReadyRead()));
    }
    void onServerReadyRead() {
        QTcpSocket* clientSocket=static_cast<QTcpSocket*>(sender());
        lastDataPeeked = clientSocket->peek(128*1024).toHex();
        QTestEventLoop::instance().exitLoop();
    }
};

// there is a similar test inside tst_qtcpsocket that uses the waitFor* functions instead
void tst_QTcpServer::qtbug14268_peek()
{
    QFETCH_GLOBAL(bool, setProxy);
    if (setProxy)
        return;

    QTcpServer server;
    server.listen();

    Qtbug14268Helper helper;
    QObject::connect(&server, SIGNAL(newConnection()), &helper, SLOT(newConnection()));

    QTcpSocket client;
    client.connectToHost(QHostAddress::LocalHost, server.serverPort());
    QVERIFY(client.waitForConnected(2000));

    client.write("abc\n");
    QTestEventLoop::instance().enterLoop(5);
    QVERIFY(!QTestEventLoop::instance().timeout());
    QVERIFY(helper.lastDataPeeked == QByteArray("6162630a"));

    client.write("def\n");
    QTestEventLoop::instance().enterLoop(5);
    QVERIFY(!QTestEventLoop::instance().timeout());
    QVERIFY(helper.lastDataPeeked == QByteArray("6162630a6465660a"));

    client.write("ghi\n");
    QTestEventLoop::instance().enterLoop(5);
    QVERIFY(!QTestEventLoop::instance().timeout());
    QVERIFY(helper.lastDataPeeked == QByteArray("6162630a6465660a6768690a"));
}

void tst_QTcpServer::serverAddress_data()
{
    QTest::addColumn<QHostAddress>("listenAddress");
    QTest::addColumn<QHostAddress>("serverAddress");
#ifdef Q_OS_WIN
    if (QSysInfo::windowsVersion() < QSysInfo::WV_6_0)
        QTest::newRow("Any") << QHostAddress(QHostAddress::Any) << QHostAddress(QHostAddress::AnyIPv4); //windows XP doesn't support dual stack sockets
    else
#endif
    QTest::newRow("Any") << QHostAddress(QHostAddress::Any) << QHostAddress(QHostAddress::Any);
    QTest::newRow("AnyIPv4") << QHostAddress(QHostAddress::AnyIPv4) << QHostAddress(QHostAddress::AnyIPv4);
    QTest::newRow("AnyIPv6") << QHostAddress(QHostAddress::AnyIPv6) << QHostAddress(QHostAddress::AnyIPv6);
    foreach (const QHostAddress& addr, QNetworkInterface::allAddresses()) {
        if (addr.isInSubnet(QHostAddress::parseSubnet("fe80::/10"))
            || addr.isInSubnet(QHostAddress::parseSubnet("169.254/16")))
            continue; //cannot bind on link local addresses
        QTest::newRow(qPrintable(addr.toString())) << addr << addr;
    }
}

void tst_QTcpServer::serverAddress()
{
    QFETCH_GLOBAL(bool, setProxy);
    if (setProxy)
        return;

    QFETCH(QHostAddress, listenAddress);
    QFETCH(QHostAddress, serverAddress);
    QTcpServer server;

    // TODO: why does this QSKIP?
    if (!server.listen(listenAddress))
        QSKIP(qPrintable(server.errorString()));
    QCOMPARE(server.serverAddress(), serverAddress);
}

// on OS X, calling listen() multiple times would succeed each time, which is
// most definitely not wanted.
void tst_QTcpServer::qtbug6305()
{
    QFETCH_GLOBAL(bool, setProxy);
    if (setProxy)
        return;

    QFETCH(QHostAddress, listenAddress);
    QTcpServer server;
    QVERIFY2(server.listen(listenAddress), qPrintable(server.errorString()));

    QTcpServer server2;
    QVERIFY(!server2.listen(listenAddress, server.serverPort())); // second listen should fail
}

void tst_QTcpServer::linkLocal()
{
    QFETCH_GLOBAL(bool, setProxy);
    if (setProxy)
        return;

    QList <QHostAddress> addresses;
    QSet <QString> scopes;
    QHostAddress localMaskv4("169.254.0.0");
    QHostAddress localMaskv6("fe80::");
    foreach (const QNetworkInterface& iface, QNetworkInterface::allInterfaces()) {
        //Windows preallocates link local addresses to interfaces that are down.
        //These may or may not work depending on network driver (they do not work for the Bluetooth PAN driver)
        if (iface.flags() & QNetworkInterface::IsUp) {
            foreach (QNetworkAddressEntry addressEntry, iface.addressEntries()) {
                QHostAddress addr = addressEntry.ip();
                if (addr.isInSubnet(localMaskv4, 16)) {
                    addresses << addr;
                    qDebug() << addr;
                }
                else if (!addr.scopeId().isEmpty() && addr.isInSubnet(localMaskv6, 64)) {
                    scopes << addr.scopeId();
                    addresses << addr;
                    qDebug() << addr;
                }
            }
        }
    }
    if (addresses.isEmpty())
        QSKIP("no link local addresses");

    QList<QTcpServer*> servers;
    quint16 port = 0;
    foreach (const QHostAddress& addr, addresses) {
        QTcpServer *server = new QTcpServer;
        QVERIFY(server->listen(addr, port));
        port = server->serverPort(); //listen to same port on different interfaces
        servers << server;
    }

    QList<QTcpSocket*> clients;
    foreach (const QHostAddress& addr, addresses) {
        //unbound socket
        QTcpSocket *socket = new QTcpSocket;
        socket->connectToHost(addr, port);
        QVERIFY(socket->waitForConnected(5000));
        clients << socket;
        //bound socket
        socket = new QTcpSocket;
        QVERIFY(socket->bind(addr));
        socket->connectToHost(addr, port);
        QVERIFY(socket->waitForConnected(5000));
        clients << socket;
    }

    //each server should have two connections
    foreach (QTcpServer* server, servers) {
        QTcpSocket* remote;
        //qDebug() << "checking for connections" << server->serverAddress() << ":" << server->serverPort();
        QVERIFY(server->waitForNewConnection(5000));
        QVERIFY(remote = server->nextPendingConnection());
        remote->close();
        delete remote;
        if (!server->hasPendingConnections())
            QVERIFY(server->waitForNewConnection(5000));
        QVERIFY(remote = server->nextPendingConnection());
        remote->close();
        delete remote;
        QVERIFY(!server->hasPendingConnections());
    }

    //Connecting to the same address with different scope should normally fail
    //However it will pass if there are two interfaces connected to the same physical network,
    //e.g. connected via wired and wireless interfaces, or two wired NICs.
    //which is a reasonably common case.
    //So this is not auto tested.

    qDeleteAll(clients);
    qDeleteAll(servers);
}

QTEST_MAIN(tst_QTcpServer)
#include "tst_qtcpserver.moc"