/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Copyright (C) 2016 Intel Corporation. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the test suite of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3 as published by the Free Software ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include #include #include #include #ifdef Q_OS_UNIX #include #include #include #include // for unlink() #endif #ifdef Q_OS_WIN #include #endif Q_DECLARE_METATYPE(QLocalSocket::LocalSocketError) Q_DECLARE_METATYPE(QLocalSocket::LocalSocketState) Q_DECLARE_METATYPE(QLocalServer::SocketOption) Q_DECLARE_METATYPE(QFile::Permissions) class tst_QLocalSocket : public QObject { Q_OBJECT public: tst_QLocalSocket(); private slots: // basics void server_basic(); void server_connectionsCount(); void socket_basic(); void listen_data(); void listen(); void listenAndConnect_data(); void listenAndConnect(); void connectWithOpen(); void connectWithOldOpen(); void sendData_data(); void sendData(); void readBufferOverflow(); void simpleCommandProtocol1(); void simpleCommandProtocol2(); void fullPath(); void hitMaximumConnections_data(); void hitMaximumConnections(); void setSocketDescriptor(); void threadedConnection_data(); void threadedConnection(); void processConnection_data(); void processConnection(); void longPath(); void waitForDisconnect(); void waitForDisconnectByServer(); void removeServer(); void recycleServer(); void recycleClientSocket(); void multiConnect(); void writeOnlySocket(); void writeToClientAndDisconnect_data(); void writeToClientAndDisconnect(); void debug(); void bytesWrittenSignal(); void syncDisconnectNotify(); void asyncDisconnectNotify(); void verifySocketOptions(); void verifySocketOptions_data(); void verifyListenWithDescriptor(); void verifyListenWithDescriptor_data(); }; tst_QLocalSocket::tst_QLocalSocket() { qRegisterMetaType("QLocalSocket::LocalSocketState"); qRegisterMetaType("QLocalSocket::LocalSocketError"); qRegisterMetaType("QLocalServer::SocketOption"); qRegisterMetaType("QFile::Permissions"); } class LocalServer : public QLocalServer { Q_OBJECT public: LocalServer() : QLocalServer() { connect(this, SIGNAL(newConnection()), this, SLOT(slotNewConnection())); } bool listen(const QString &name) { removeServer(name); return QLocalServer::listen(name); } QList hits; protected: void incomingConnection(quintptr socketDescriptor) { hits.append(socketDescriptor); QLocalServer::incomingConnection(socketDescriptor); } private slots: void slotNewConnection() { QVERIFY(!hits.isEmpty()); QVERIFY(hasPendingConnections()); } }; class LocalSocket : public QLocalSocket { Q_OBJECT public: LocalSocket(QObject *parent = 0) : QLocalSocket(parent) { connect(this, SIGNAL(connected()), this, SLOT(slotConnected())); connect(this, SIGNAL(disconnected()), this, SLOT(slotDisconnected())); connect(this, SIGNAL(error(QLocalSocket::LocalSocketError)), this, SLOT(slotError(QLocalSocket::LocalSocketError))); connect(this, SIGNAL(stateChanged(QLocalSocket::LocalSocketState)), this, SLOT(slotStateChanged(QLocalSocket::LocalSocketState))); connect(this, SIGNAL(readyRead()), this, SLOT(slotReadyRead())); } private slots: void slotConnected() { QCOMPARE(state(), QLocalSocket::ConnectedState); QVERIFY(isOpen()); } void slotDisconnected() { QCOMPARE(state(), QLocalSocket::UnconnectedState); } void slotError(QLocalSocket::LocalSocketError newError) { QVERIFY(errorString() != QLatin1String("Unknown error")); QCOMPARE(error(), newError); } void slotStateChanged(QLocalSocket::LocalSocketState newState) { QCOMPARE(state(), newState); } void slotReadyRead() { QVERIFY(bytesAvailable() > 0); } }; // basic test make sure no segfaults and check default values void tst_QLocalSocket::server_basic() { LocalServer server; QSignalSpy spyNewConnection(&server, SIGNAL(newConnection())); server.close(); QCOMPARE(server.errorString(), QString()); QCOMPARE(server.hasPendingConnections(), false); QCOMPARE(server.isListening(), false); QCOMPARE(server.maxPendingConnections(), 30); QCOMPARE(server.nextPendingConnection(), (QLocalSocket*)0); QCOMPARE(server.serverName(), QString()); QCOMPARE(server.fullServerName(), QString()); QCOMPARE(server.serverError(), QAbstractSocket::UnknownSocketError); server.setMaxPendingConnections(20); bool timedOut = true; QCOMPARE(server.waitForNewConnection(3000, &timedOut), false); QVERIFY(!timedOut); QCOMPARE(server.listen(QString()), false); QCOMPARE(server.hits.count(), 0); QCOMPARE(spyNewConnection.count(), 0); } void tst_QLocalSocket::server_connectionsCount() { LocalServer server; server.setMaxPendingConnections(10); QCOMPARE(server.maxPendingConnections(), 10); } // basic test make sure no segfaults and check default values void tst_QLocalSocket::socket_basic() { LocalSocket socket; QSignalSpy spyConnected(&socket, SIGNAL(connected())); QSignalSpy spyDisconnected(&socket, SIGNAL(disconnected())); QSignalSpy spyError(&socket, SIGNAL(error(QLocalSocket::LocalSocketError))); QSignalSpy spyStateChanged(&socket, SIGNAL(stateChanged(QLocalSocket::LocalSocketState))); QSignalSpy spyReadyRead(&socket, SIGNAL(readyRead())); QCOMPARE(socket.serverName(), QString()); QCOMPARE(socket.fullServerName(), QString()); socket.abort(); QCOMPARE(socket.bytesAvailable(), 0); QCOMPARE(socket.bytesToWrite(), 0); QCOMPARE(socket.canReadLine(), false); socket.close(); socket.disconnectFromServer(); QCOMPARE(QLocalSocket::UnknownSocketError, socket.error()); QVERIFY(!socket.errorString().isEmpty()); QCOMPARE(socket.flush(), false); QCOMPARE(socket.isValid(), false); QCOMPARE(socket.readBufferSize(), 0); socket.setReadBufferSize(0); //QCOMPARE(socket.socketDescriptor(), (qintptr)-1); QCOMPARE(socket.state(), QLocalSocket::UnconnectedState); QCOMPARE(socket.waitForConnected(0), false); QTest::ignoreMessage(QtWarningMsg, "QLocalSocket::waitForDisconnected() is not allowed in UnconnectedState"); QCOMPARE(socket.waitForDisconnected(0), false); QCOMPARE(socket.waitForReadyRead(0), false); QCOMPARE(spyConnected.count(), 0); QCOMPARE(spyDisconnected.count(), 0); QCOMPARE(spyError.count(), 0); QCOMPARE(spyStateChanged.count(), 0); QCOMPARE(spyReadyRead.count(), 0); } void tst_QLocalSocket::listen_data() { QTest::addColumn("name"); QTest::addColumn("canListen"); QTest::addColumn("close"); QTest::newRow("null") << QString() << false << false; QTest::newRow("tst_localsocket") << "tst_localsocket" << true << true; QTest::newRow("tst_localsocket") << "tst_localsocket" << true << false; } // start a server that listens, but don't connect a socket, make sure everything is in order void tst_QLocalSocket::listen() { LocalServer server; QSignalSpy spyNewConnection(&server, SIGNAL(newConnection())); QFETCH(QString, name); QFETCH(bool, canListen); QFETCH(bool, close); QVERIFY2((server.listen(name) == canListen), server.errorString().toLatin1().constData()); // test listening QCOMPARE(server.serverName(), name); QVERIFY(server.fullServerName().contains(name)); QCOMPARE(server.isListening(), canListen); QCOMPARE(server.hasPendingConnections(), false); QCOMPARE(server.nextPendingConnection(), (QLocalSocket*)0); QCOMPARE(server.hits.count(), 0); QCOMPARE(spyNewConnection.count(), 0); if (canListen) { QVERIFY(server.errorString().isEmpty()); QCOMPARE(server.serverError(), QAbstractSocket::UnknownSocketError); // already isListening QTest::ignoreMessage(QtWarningMsg, "QLocalServer::listen() called when already listening"); QVERIFY(!server.listen(name)); QVERIFY(server.socketDescriptor() != -1); } else { QVERIFY(!server.errorString().isEmpty()); QCOMPARE(server.serverError(), QAbstractSocket::HostNotFoundError); QCOMPARE(server.socketDescriptor(), -1); } QCOMPARE(server.maxPendingConnections(), 30); bool timedOut = false; QCOMPARE(server.waitForNewConnection(3000, &timedOut), false); QCOMPARE(timedOut, canListen); if (close) server.close(); } void tst_QLocalSocket::listenAndConnect_data() { QTest::addColumn("name"); QTest::addColumn("canListen"); QTest::addColumn("connections"); for (int i = 0; i < 3; ++i) { int connections = i; if (i == 2) connections = 5; const QByteArray iB = QByteArray::number(i); QTest::newRow(("null " + iB).constData()) << QString() << false << connections; QTest::newRow(("tst_localsocket " + iB).constData()) << "tst_localsocket" << true << connections; } } void tst_QLocalSocket::listenAndConnect() { LocalServer server; QSignalSpy spyNewConnection(&server, SIGNAL(newConnection())); QFETCH(QString, name); QFETCH(bool, canListen); QCOMPARE(server.listen(name), canListen); QTRY_COMPARE(server.serverError(), canListen ? QAbstractSocket::UnknownSocketError : QAbstractSocket::HostNotFoundError); // test creating connection(s) QFETCH(int, connections); QList sockets; for (int i = 0; i < connections; ++i) { LocalSocket *socket = new LocalSocket; QSignalSpy spyConnected(socket, SIGNAL(connected())); QSignalSpy spyDisconnected(socket, SIGNAL(disconnected())); QSignalSpy spyError(socket, SIGNAL(error(QLocalSocket::LocalSocketError))); QSignalSpy spyStateChanged(socket, SIGNAL(stateChanged(QLocalSocket::LocalSocketState))); QSignalSpy spyReadyRead(socket, SIGNAL(readyRead())); socket->connectToServer(name); #if defined(QT_LOCALSOCKET_TCP) QTest::qWait(250); #endif QCOMPARE(socket->serverName(), name); QVERIFY(socket->fullServerName().contains(name)); sockets.append(socket); if (canListen) { QVERIFY(socket->waitForConnected()); QVERIFY(socket->isValid()); QCOMPARE(socket->errorString(), QString("Unknown error")); QCOMPARE(socket->error(), QLocalSocket::UnknownSocketError); QCOMPARE(socket->state(), QLocalSocket::ConnectedState); //QVERIFY(socket->socketDescriptor() != -1); QCOMPARE(spyError.count(), 0); } else { QVERIFY(!socket->errorString().isEmpty()); QVERIFY(socket->error() != QLocalSocket::UnknownSocketError); QCOMPARE(socket->state(), QLocalSocket::UnconnectedState); //QCOMPARE(socket->socketDescriptor(), -1); QCOMPARE(qvariant_cast(spyError.first()[0]), QLocalSocket::ServerNotFoundError); } QCOMPARE(socket->bytesAvailable(), 0); QCOMPARE(socket->bytesToWrite(), 0); QCOMPARE(socket->canReadLine(), false); QCOMPARE(socket->flush(), false); QCOMPARE(socket->isValid(), canListen); QCOMPARE(socket->readBufferSize(), (qint64)0); QCOMPARE(socket->waitForConnected(0), canListen); QCOMPARE(socket->waitForReadyRead(0), false); QTRY_COMPARE(spyConnected.count(), canListen ? 1 : 0); QCOMPARE(spyDisconnected.count(), 0); // error signals QVERIFY(spyError.count() >= 0); if (canListen) { if (spyError.count() > 0) QCOMPARE(qvariant_cast(spyError.first()[0]), QLocalSocket::SocketTimeoutError); } else { QCOMPARE(qvariant_cast(spyError.first()[0]), QLocalSocket::ServerNotFoundError); } // Check first and last state QCOMPARE(qvariant_cast(spyStateChanged.first()[0]), QLocalSocket::ConnectingState); if (canListen) QCOMPARE(qvariant_cast(spyStateChanged.last()[0]), QLocalSocket::ConnectedState); QCOMPARE(spyStateChanged.count(), 2); QCOMPARE(spyReadyRead.count(), 0); bool timedOut = true; QCOMPARE(server.waitForNewConnection(3000, &timedOut), canListen); QVERIFY(!timedOut); QCOMPARE(server.hasPendingConnections(), canListen); QCOMPARE(server.isListening(), canListen); // NOTE: socket disconnecting is not tested here // server checks post connection if (canListen) { QCOMPARE(server.serverName(), name); QVERIFY(server.fullServerName().contains(name)); QVERIFY(server.nextPendingConnection() != (QLocalSocket*)0); QTRY_COMPARE(server.hits.count(), i + 1); QCOMPARE(spyNewConnection.count(), i + 1); QVERIFY(server.errorString().isEmpty()); QCOMPARE(server.serverError(), QAbstractSocket::UnknownSocketError); } else { QVERIFY(server.serverName().isEmpty()); QVERIFY(server.fullServerName().isEmpty()); QCOMPARE(server.nextPendingConnection(), (QLocalSocket*)0); QCOMPARE(spyNewConnection.count(), 0); QCOMPARE(server.hits.count(), 0); QVERIFY(!server.errorString().isEmpty()); QCOMPARE(server.serverError(), QAbstractSocket::HostNotFoundError); } } qDeleteAll(sockets.begin(), sockets.end()); server.close(); QCOMPARE(server.hits.count(), (canListen ? connections : 0)); QCOMPARE(spyNewConnection.count(), (canListen ? connections : 0)); } void tst_QLocalSocket::connectWithOpen() { LocalServer server; QVERIFY(server.listen("tst_qlocalsocket")); LocalSocket socket; socket.setServerName("tst_qlocalsocket"); QVERIFY(socket.open()); bool timedOut = true; QVERIFY(server.waitForNewConnection(3000, &timedOut)); #if defined(QT_LOCALSOCKET_TCP) QTest::qWait(250); #endif QVERIFY(!timedOut); socket.close(); server.close(); } void tst_QLocalSocket::connectWithOldOpen() { class OverriddenOpen : public LocalSocket { public: virtual bool open(OpenMode mode) override { return QIODevice::open(mode); } }; LocalServer server; QCOMPARE(server.listen("tst_qlocalsocket"), true); OverriddenOpen socket; socket.connectToServer("tst_qlocalsocket"); bool timedOut = true; QVERIFY(server.waitForNewConnection(3000, &timedOut)); #if defined(QT_LOCALSOCKET_TCP) QTest::qWait(250); #endif QVERIFY(!timedOut); socket.close(); server.close(); } void tst_QLocalSocket::sendData_data() { QTest::addColumn("name"); QTest::addColumn("canListen"); QTest::newRow("null") << QString() << false; QTest::newRow("tst_localsocket") << "tst_localsocket" << true; } void tst_QLocalSocket::sendData() { QFETCH(QString, name); QFETCH(bool, canListen); LocalServer server; QSignalSpy spy(&server, SIGNAL(newConnection())); QCOMPARE(server.listen(name), canListen); LocalSocket socket; QSignalSpy spyConnected(&socket, SIGNAL(connected())); QSignalSpy spyDisconnected(&socket, SIGNAL(disconnected())); QSignalSpy spyError(&socket, SIGNAL(error(QLocalSocket::LocalSocketError))); QSignalSpy spyStateChanged(&socket, SIGNAL(stateChanged(QLocalSocket::LocalSocketState))); QSignalSpy spyReadyRead(&socket, SIGNAL(readyRead())); // test creating a connection socket.connectToServer(name); bool timedOut = true; int expectedReadyReadSignals = 0; QCOMPARE(server.waitForNewConnection(3000, &timedOut), canListen); #if defined(QT_LOCALSOCKET_TCP) QTest::qWait(250); #endif QVERIFY(!timedOut); QCOMPARE(spyConnected.count(), canListen ? 1 : 0); QCOMPARE(socket.state(), canListen ? QLocalSocket::ConnectedState : QLocalSocket::UnconnectedState); // test sending/receiving data if (server.hasPendingConnections()) { QString testLine = "test"; for (int i = 0; i < 50000; ++i) testLine += QLatin1Char('a'); QLocalSocket *serverSocket = server.nextPendingConnection(); QVERIFY(serverSocket); QCOMPARE(serverSocket->state(), QLocalSocket::ConnectedState); QTextStream out(serverSocket); QTextStream in(&socket); out << testLine << endl; bool wrote = serverSocket->waitForBytesWritten(3000); if (!socket.canReadLine()) { expectedReadyReadSignals = 1; QVERIFY(socket.waitForReadyRead()); } QVERIFY(socket.bytesAvailable() >= 0); QCOMPARE(socket.bytesToWrite(), (qint64)0); QCOMPARE(socket.flush(), false); QCOMPARE(socket.isValid(), canListen); QCOMPARE(socket.readBufferSize(), (qint64)0); QCOMPARE(spyReadyRead.count(), expectedReadyReadSignals); QVERIFY(testLine.startsWith(in.readLine())); QVERIFY(wrote || serverSocket->waitForBytesWritten(1000)); QCOMPARE(serverSocket->errorString(), QString("Unknown error")); QCOMPARE(socket.errorString(), QString("Unknown error")); } socket.disconnectFromServer(); QCOMPARE(spyConnected.count(), canListen ? 1 : 0); QCOMPARE(spyDisconnected.count(), canListen ? 1 : 0); QCOMPARE(spyError.count(), canListen ? 0 : 1); QCOMPARE(spyStateChanged.count(), canListen ? 4 : 2); QCOMPARE(spyReadyRead.count(), canListen ? expectedReadyReadSignals : 0); server.close(); QCOMPARE(server.hits.count(), (canListen ? 1 : 0)); QCOMPARE(spy.count(), (canListen ? 1 : 0)); } void tst_QLocalSocket::readBufferOverflow() { const int readBufferSize = 128; const int dataBufferSize = readBufferSize * 2; const QString serverName = QLatin1String("myPreciousTestServer"); LocalServer server; server.listen(serverName); QVERIFY(server.isListening()); LocalSocket client; client.setReadBufferSize(readBufferSize); client.connectToServer(serverName); bool timedOut = true; QVERIFY(server.waitForNewConnection(3000, &timedOut)); QVERIFY(!timedOut); QCOMPARE(client.state(), QLocalSocket::ConnectedState); QVERIFY(server.hasPendingConnections()); QLocalSocket* serverSocket = server.nextPendingConnection(); char buffer[dataBufferSize]; memset(buffer, 0, dataBufferSize); serverSocket->write(buffer, dataBufferSize); #ifndef Q_OS_WIN // The data is not immediately sent, but buffered. // On Windows, the flushing is done by an asynchronous write operation. // However, this operation will never complete as long as the data is not // read by the other end, so the call below always times out. // On Unix, the flushing is synchronous and thus needs to be done before // attempting to read the data in the same thread. Buffering by the OS // prevents the deadlock seen on Windows. serverSocket->waitForBytesWritten(); #endif // wait until the first 128 bytes are ready to read QVERIFY(client.waitForReadyRead()); QCOMPARE(client.read(buffer, readBufferSize), qint64(readBufferSize)); // wait until the second 128 bytes are ready to read QVERIFY(client.waitForReadyRead()); QCOMPARE(client.read(buffer, readBufferSize), qint64(readBufferSize)); // no more bytes available QCOMPARE(client.bytesAvailable(), 0); #ifdef Q_OS_WIN serverSocket->write(buffer, readBufferSize); QVERIFY(serverSocket->waitForBytesWritten()); // ensure the read completion routine is called SleepEx(100, true); QVERIFY(client.waitForReadyRead()); QCOMPARE(client.read(buffer, readBufferSize), qint64(readBufferSize)); // Test overflow caused by an asynchronous pipe operation. client.setReadBufferSize(1); serverSocket->write(buffer, 2); QVERIFY(client.waitForReadyRead()); // socket disconnects, if there any error on pipe QCOMPARE(client.state(), QLocalSocket::ConnectedState); QCOMPARE(client.bytesAvailable(), qint64(2)); QCOMPARE(client.read(buffer, 2), qint64(2)); #endif } static qint64 writeCommand(const QVariant &command, QIODevice *device, int commandCounter) { QByteArray block; QDataStream out(&block, QIODevice::WriteOnly); out << qint64(0); out << commandCounter; out << command; out.device()->seek(0); out << qint64(block.size() - sizeof(qint64)); return device->write(block); } static QVariant readCommand(QIODevice *ioDevice, int *readCommandCounter, bool readSize = true) { QDataStream in(ioDevice); qint64 blockSize; int commandCounter; if (readSize) in >> blockSize; in >> commandCounter; *readCommandCounter = commandCounter; QVariant command; in >> command; return command; } void tst_QLocalSocket::simpleCommandProtocol1() { QLocalServer server; server.listen(QStringLiteral("simpleProtocol")); QLocalSocket localSocketWrite; localSocketWrite.connectToServer(server.serverName()); QVERIFY(server.waitForNewConnection()); QLocalSocket *localSocketRead = server.nextPendingConnection(); QVERIFY(localSocketRead); int readCounter = 0; for (int i = 0; i < 2000; ++i) { const QVariant command(QRect(readCounter, i, 10, 10)); const qint64 blockSize = writeCommand(command, &localSocketWrite, i); while (localSocketWrite.bytesToWrite()) QVERIFY(localSocketWrite.waitForBytesWritten()); while (localSocketRead->bytesAvailable() < blockSize) { QVERIFY(localSocketRead->waitForReadyRead(1000)); } const QVariant variant = readCommand(localSocketRead, &readCounter); QCOMPARE(readCounter, i); QCOMPARE(variant, command); } } void tst_QLocalSocket::simpleCommandProtocol2() { QLocalServer server; server.listen(QStringLiteral("simpleProtocol")); QLocalSocket localSocketWrite; localSocketWrite.connectToServer(server.serverName()); QVERIFY(server.waitForNewConnection()); QLocalSocket* localSocketRead = server.nextPendingConnection(); QVERIFY(localSocketRead); int readCounter = 0; qint64 writtenBlockSize = 0; qint64 blockSize = 0; QObject::connect(localSocketRead, &QLocalSocket::readyRead, [&] { forever { if (localSocketRead->bytesAvailable() < qint64(sizeof(qint64))) return; if (blockSize == 0) { QDataStream in(localSocketRead); in >> blockSize; } if (localSocketRead->bytesAvailable() < blockSize) return; int commandNumber = 0; const QVariant variant = readCommand(localSocketRead, &commandNumber, false); QCOMPARE(writtenBlockSize, blockSize); QCOMPARE(readCounter, commandNumber); QCOMPARE(variant.userType(), (int)QMetaType::QRect); readCounter++; blockSize = 0; } }); for (int i = 0; i < 500; ++i) { const QVariant command(QRect(readCounter, i, 10, 10)); writtenBlockSize = writeCommand(command, &localSocketWrite, i) - sizeof(qint64); if (i % 10 == 0) QTest::qWait(1); } localSocketWrite.abort(); QVERIFY(localSocketRead->waitForDisconnected(1000)); } // QLocalSocket/Server can take a name or path, check that it works as expected void tst_QLocalSocket::fullPath() { QLocalServer server; QString name = "qlocalsocket_pathtest"; #if defined(QT_LOCALSOCKET_TCP) QString path = "QLocalServer"; #elif defined(Q_OS_WIN) QString path = "\\\\.\\pipe\\"; #else QString path = "/tmp"; #endif QString serverName = path + '/' + name; QVERIFY2(server.listen(serverName), server.errorString().toLatin1().constData()); QCOMPARE(server.serverName(), serverName); QCOMPARE(server.fullServerName(), serverName); LocalSocket socket; socket.connectToServer(serverName); QCOMPARE(socket.serverName(), serverName); QCOMPARE(socket.fullServerName(), serverName); socket.disconnectFromServer(); #ifdef QT_LOCALSOCKET_TCP QTest::qWait(250); #endif QCOMPARE(socket.serverName(), QString()); QCOMPARE(socket.fullServerName(), QString()); } void tst_QLocalSocket::hitMaximumConnections_data() { QTest::addColumn("max"); QTest::newRow("none") << 0; QTest::newRow("1") << 1; QTest::newRow("3") << 3; } void tst_QLocalSocket::hitMaximumConnections() { QFETCH(int, max); LocalServer server; QString name = "tst_localsocket"; server.setMaxPendingConnections(max); QVERIFY2(server.listen(name), server.errorString().toLatin1().constData()); int connections = server.maxPendingConnections() + 1; QList sockets; for (int i = 0; i < connections; ++i) { LocalSocket *socket = new LocalSocket; sockets.append(socket); socket->connectToServer(name); } bool timedOut = true; QVERIFY(server.waitForNewConnection(3000, &timedOut)); QVERIFY(!timedOut); QVERIFY(server.hits.count() > 0); qDeleteAll(sockets.begin(), sockets.end()); } // check that state and mode are kept void tst_QLocalSocket::setSocketDescriptor() { LocalSocket socket; qintptr minusOne = -1; socket.setSocketDescriptor(minusOne, QLocalSocket::ConnectingState, QIODevice::Append); QCOMPARE(socket.socketDescriptor(), minusOne); QCOMPARE(socket.state(), QLocalSocket::ConnectingState); QVERIFY((socket.openMode() & QIODevice::Append) != 0); } class Client : public QThread { public: void run() { QString testLine = "test"; LocalSocket socket; QSignalSpy spyReadyRead(&socket, SIGNAL(readyRead())); socket.connectToServer("qlocalsocket_threadtest"); QVERIFY(socket.waitForConnected(1000)); // We should *not* have this signal yet! QCOMPARE(spyReadyRead.count(), 0); socket.waitForReadyRead(); QCOMPARE(spyReadyRead.count(), 1); QTextStream in(&socket); QCOMPARE(in.readLine(), testLine); socket.close(); } }; class Server : public QThread { public: int clients; QMutex mutex; QWaitCondition wc; void run() { QString testLine = "test"; LocalServer server; server.setMaxPendingConnections(10); QVERIFY2(server.listen("qlocalsocket_threadtest"), server.errorString().toLatin1().constData()); mutex.lock(); wc.wakeAll(); mutex.unlock(); int done = clients; while (done > 0) { bool timedOut = true; QVERIFY2(server.waitForNewConnection(7000, &timedOut), (QByteArrayLiteral("done=") + QByteArray::number(done) + QByteArrayLiteral(", timedOut=") + (timedOut ? "true" : "false")).constData()); QVERIFY(!timedOut); QLocalSocket *serverSocket = server.nextPendingConnection(); QVERIFY(serverSocket); QTextStream out(serverSocket); out << testLine << endl; QCOMPARE(serverSocket->state(), QLocalSocket::ConnectedState); QVERIFY2(serverSocket->waitForBytesWritten(), serverSocket->errorString().toLatin1().constData()); QCOMPARE(serverSocket->errorString(), QString("Unknown error")); --done; delete serverSocket; } QCOMPARE(server.hits.count(), clients); } }; void tst_QLocalSocket::threadedConnection_data() { QTest::addColumn("threads"); QTest::newRow("1 client") << 1; QTest::newRow("2 clients") << 2; QTest::newRow("5 clients") << 5; QTest::newRow("10 clients") << 10; QTest::newRow("20 clients") << 20; } void tst_QLocalSocket::threadedConnection() { QFETCH(int, threads); Server server; server.clients = threads; server.mutex.lock(); server.start(); server.wc.wait(&server.mutex); server.mutex.unlock(); QList clients; for (int i = 0; i < threads; ++i) { clients.append(new Client()); clients.last()->start(); } server.wait(); while (!clients.isEmpty()) { QVERIFY(clients.first()->wait(3000)); delete clients.takeFirst(); } } void tst_QLocalSocket::processConnection_data() { QTest::addColumn("processes"); QTest::newRow("1 client") << 1; QTest::newRow("2 clients") << 2; QTest::newRow("5 clients") << 5; QTest::newRow("30 clients") << 30; } #if QT_CONFIG(process) class ProcessOutputDumper { public: ProcessOutputDumper(QProcess *p = 0) : process(p) {} ~ProcessOutputDumper() { if (process) fputs(process->readAll().data(), stdout); } void clear() { process = 0; } private: QProcess *process; }; #endif /*! Create external processes that produce and consume. */ void tst_QLocalSocket::processConnection() { #if !QT_CONFIG(process) QSKIP("No qprocess support", SkipAll); #else #ifdef Q_OS_MAC QSKIP("The processConnection test is unstable on Mac. See QTBUG-39986."); #endif #ifdef Q_OS_WIN const QString exeSuffix = QStringLiteral(".exe"); #else const QString exeSuffix; #endif const QString socketProcess = QFINDTESTDATA(QStringLiteral("socketprocess/socketprocess") + exeSuffix); QVERIFY(QFile::exists(socketProcess)); QFETCH(int, processes); QStringList serverArguments = QStringList() << "--server" << QString::number(processes); QProcess producer; ProcessOutputDumper producerOutputDumper(&producer); QList consumers; producer.setProcessChannelMode(QProcess::MergedChannels); producer.start(socketProcess, serverArguments); QVERIFY2(producer.waitForStarted(-1), qPrintable(producer.errorString())); for (int i = 0; i < processes; ++i) { QStringList arguments = QStringList() << "--client"; QProcess *p = new QProcess; consumers.append(p); p->setProcessChannelMode(QProcess::MergedChannels); p->start(socketProcess, arguments); } while (!consumers.isEmpty()) { QProcess *consumer = consumers.takeFirst(); ProcessOutputDumper consumerOutputDumper(consumer); consumer->waitForFinished(20000); QCOMPARE(consumer->exitStatus(), QProcess::NormalExit); QCOMPARE(consumer->exitCode(), 0); consumerOutputDumper.clear(); consumer->terminate(); delete consumer; } producer.waitForFinished(15000); producerOutputDumper.clear(); #endif } void tst_QLocalSocket::longPath() { #ifndef Q_OS_WIN QString name; for (int i = 0; i < 256; ++i) name += 'a'; LocalServer server; QVERIFY(!server.listen(name)); LocalSocket socket; socket.connectToServer(name); QCOMPARE(socket.state(), QLocalSocket::UnconnectedState); #endif } void tst_QLocalSocket::waitForDisconnect() { QString name = "tst_localsocket"; LocalServer server; QVERIFY(server.listen(name)); LocalSocket socket; socket.connectToServer(name); QVERIFY(socket.waitForConnected(3000)); QVERIFY(server.waitForNewConnection(3000)); QLocalSocket *serverSocket = server.nextPendingConnection(); QVERIFY(serverSocket); socket.disconnectFromServer(); QTime timer; timer.start(); QVERIFY(serverSocket->waitForDisconnected(3000)); QVERIFY(timer.elapsed() < 2000); } void tst_QLocalSocket::waitForDisconnectByServer() { QString name = "tst_localsocket"; LocalServer server; QVERIFY(server.listen(name)); LocalSocket socket; QSignalSpy spy(&socket, SIGNAL(disconnected())); QVERIFY(spy.isValid()); socket.connectToServer(name); QVERIFY(socket.waitForConnected(3000)); QVERIFY(server.waitForNewConnection(3000)); QLocalSocket *serverSocket = server.nextPendingConnection(); QVERIFY(serverSocket); serverSocket->close(); QCOMPARE(serverSocket->state(), QLocalSocket::UnconnectedState); QVERIFY(socket.waitForDisconnected(3000)); QCOMPARE(spy.count(), 1); } void tst_QLocalSocket::removeServer() { // this is a hostile takeover, but recovering from a crash results in the same QLocalServer server, server2; QVERIFY(QLocalServer::removeServer("cleanuptest")); QVERIFY(server.listen("cleanuptest")); #ifndef Q_OS_WIN // on Windows, there can be several sockets listening on the same pipe // on Unix, there can only be one socket instance QVERIFY(! server2.listen("cleanuptest")); #endif QVERIFY(QLocalServer::removeServer("cleanuptest")); QVERIFY(server2.listen("cleanuptest")); } void tst_QLocalSocket::recycleServer() { QLocalServer server; QLocalSocket client; QVERIFY(server.listen("recycletest1")); client.connectToServer("recycletest1"); QVERIFY(client.waitForConnected(201)); QVERIFY(server.waitForNewConnection(201)); QVERIFY(server.nextPendingConnection() != 0); server.close(); client.disconnectFromServer(); qApp->processEvents(); QVERIFY(server.listen("recycletest2")); client.connectToServer("recycletest2"); QVERIFY(client.waitForConnected(202)); QVERIFY(server.waitForNewConnection(202)); QVERIFY(server.nextPendingConnection() != 0); } void tst_QLocalSocket::recycleClientSocket() { const QByteArrayList lines = QByteArrayList() << "Have you heard of that new band" << "\"1023 Megabytes\"?" << "They haven't made it to a gig yet."; QLocalServer server; const QString serverName = QStringLiteral("recycleClientSocket"); QVERIFY(server.listen(serverName)); QLocalSocket client; QSignalSpy clientReadyReadSpy(&client, SIGNAL(readyRead())); QSignalSpy clientErrorSpy(&client, SIGNAL(error(QLocalSocket::LocalSocketError))); for (int i = 0; i < lines.count(); ++i) { client.abort(); clientReadyReadSpy.clear(); client.connectToServer(serverName); QVERIFY(client.waitForConnected()); QVERIFY(server.waitForNewConnection()); QLocalSocket *serverSocket = server.nextPendingConnection(); QVERIFY(serverSocket); connect(serverSocket, &QLocalSocket::disconnected, &QLocalSocket::deleteLater); serverSocket->write(lines.at(i)); serverSocket->flush(); QVERIFY(clientReadyReadSpy.wait()); QCOMPARE(client.readAll(), lines.at(i)); QVERIFY(clientErrorSpy.isEmpty()); } } void tst_QLocalSocket::multiConnect() { QLocalServer server; QLocalSocket client1; QLocalSocket client2; QLocalSocket client3; QVERIFY(server.listen("multiconnect")); client1.connectToServer("multiconnect"); client2.connectToServer("multiconnect"); client3.connectToServer("multiconnect"); QVERIFY(client1.waitForConnected(201)); QVERIFY(client2.waitForConnected(202)); QVERIFY(client3.waitForConnected(203)); QVERIFY(server.waitForNewConnection(201)); QVERIFY(server.nextPendingConnection() != 0); QVERIFY(server.waitForNewConnection(202)); QVERIFY(server.nextPendingConnection() != 0); QVERIFY(server.waitForNewConnection(203)); QVERIFY(server.nextPendingConnection() != 0); } void tst_QLocalSocket::writeOnlySocket() { QLocalServer server; QVERIFY(server.listen("writeOnlySocket")); QLocalSocket client; client.connectToServer("writeOnlySocket", QIODevice::WriteOnly); QVERIFY(client.waitForConnected()); QVERIFY(server.waitForNewConnection(200)); QLocalSocket* serverSocket = server.nextPendingConnection(); QVERIFY(serverSocket); QCOMPARE(client.bytesAvailable(), qint64(0)); QCOMPARE(client.state(), QLocalSocket::ConnectedState); } void tst_QLocalSocket::writeToClientAndDisconnect_data() { QTest::addColumn("chunks"); QTest::newRow("one chunk") << 1; QTest::newRow("several chunks") << 20; } void tst_QLocalSocket::writeToClientAndDisconnect() { QFETCH(int, chunks); QLocalServer server; QLocalSocket client; QSignalSpy readChannelFinishedSpy(&client, SIGNAL(readChannelFinished())); QVERIFY(server.listen("writeAndDisconnectServer")); client.connectToServer("writeAndDisconnectServer"); QVERIFY(client.waitForConnected(200)); QVERIFY(server.waitForNewConnection(200)); QLocalSocket* clientSocket = server.nextPendingConnection(); QVERIFY(clientSocket); char buffer[100]; memset(buffer, 0, sizeof(buffer)); for (int i = 0; i < chunks; ++i) QCOMPARE(clientSocket->write(buffer, sizeof(buffer)), qint64(sizeof(buffer))); while (clientSocket->bytesToWrite()) QVERIFY(clientSocket->waitForBytesWritten()); clientSocket->close(); server.close(); client.waitForDisconnected(); QCOMPARE(readChannelFinishedSpy.count(), 1); const QByteArray received = client.readAll(); QCOMPARE(received.size(), qint64(sizeof(buffer) * chunks)); QCOMPARE(client.state(), QLocalSocket::UnconnectedState); } void tst_QLocalSocket::debug() { // Make sure this compiles if (QLoggingCategory::defaultCategory()->isDebugEnabled()) QTest::ignoreMessage(QtDebugMsg, "QLocalSocket::ConnectionRefusedError QLocalSocket::UnconnectedState"); qDebug() << QLocalSocket::ConnectionRefusedError << QLocalSocket::UnconnectedState; } class WriteThread : public QThread { Q_OBJECT public: void run() { QLocalSocket socket; socket.connectToServer("qlocalsocket_readyread"); if (!socket.waitForConnected(3000)) exec(); connect(&socket, SIGNAL(bytesWritten(qint64)), this, SLOT(bytesWritten(qint64)), Qt::QueuedConnection); socket.write("testing\n"); exec(); } public slots: void bytesWritten(qint64) { exit(); } private: }; /* Tests the emission of the bytesWritten(qint64) signal. Create a thread that will write to a socket. If the bytesWritten(qint64) signal is generated, the slot connected to it will exit the thread, indicating test success. */ void tst_QLocalSocket::bytesWrittenSignal() { QLocalServer server; QVERIFY(server.listen("qlocalsocket_readyread")); WriteThread writeThread; writeThread.start(); bool timedOut = false; QVERIFY(server.waitForNewConnection(3000, &timedOut)); QVERIFY(!timedOut); QTest::qWait(2000); QVERIFY(writeThread.wait(2000)); } void tst_QLocalSocket::syncDisconnectNotify() { QLocalServer server; QVERIFY(server.listen("syncDisconnectNotify")); QLocalSocket client; client.connectToServer("syncDisconnectNotify"); QVERIFY(server.waitForNewConnection()); QLocalSocket* serverSocket = server.nextPendingConnection(); QVERIFY(serverSocket); delete serverSocket; QCOMPARE(client.waitForReadyRead(), false); } void tst_QLocalSocket::asyncDisconnectNotify() { QLocalServer server; QVERIFY(server.listen("asyncDisconnectNotify")); QLocalSocket client; QSignalSpy disconnectedSpy(&client, SIGNAL(disconnected())); client.connectToServer("asyncDisconnectNotify"); QVERIFY(server.waitForNewConnection()); QLocalSocket* serverSocket = server.nextPendingConnection(); QVERIFY(serverSocket); delete serverSocket; QTRY_VERIFY(!disconnectedSpy.isEmpty()); } void tst_QLocalSocket::verifySocketOptions_data() { #ifdef Q_OS_LINUX QTest::addColumn("service"); QTest::addColumn("opts"); QTest::addColumn("perms"); QFile::Permissions p = QFile::ExeOwner|QFile::WriteOwner|QFile::ReadOwner | QFile::ExeUser|QFile::WriteUser|QFile::ReadUser; QTest::newRow("user") << "userPerms" << QLocalServer::UserAccessOption << p; p = QFile::ExeGroup|QFile::WriteGroup|QFile::ReadGroup; QTest::newRow("group") << "groupPerms" << QLocalServer::GroupAccessOption << p; p = QFile::ExeOther|QFile::WriteOther|QFile::ReadOther; QTest::newRow("other") << "otherPerms" << QLocalServer::OtherAccessOption << p; p = QFile::ExeOwner|QFile::WriteOwner|QFile::ReadOwner| QFile::ExeUser|QFile::WriteUser|QFile::ReadUser | QFile::ExeGroup|QFile::WriteGroup|QFile::ReadGroup| QFile::ExeOther|QFile::WriteOther|QFile::ReadOther; QTest::newRow("all") << "worldPerms" << QLocalServer::WorldAccessOption << p; #endif } void tst_QLocalSocket::verifySocketOptions() { // These are only guaranteed to be useful on linux at this time #ifdef Q_OS_LINUX QFETCH(QString, service); QFETCH(QLocalServer::SocketOption, opts); QFETCH(QFile::Permissions, perms); QLocalServer::removeServer(service); QLocalServer server; server.setSocketOptions(opts); QVERIFY2(server.listen(service), "service failed to start listening"); // find the socket QString fullServerPath = QDir::cleanPath(QDir::tempPath()); fullServerPath += QLatin1Char('/') + service; QFile socketFile(fullServerPath); QVERIFY2(perms == socketFile.permissions(), "permissions on the socket don't match"); #endif } void tst_QLocalSocket::verifyListenWithDescriptor() { #ifdef Q_OS_UNIX QFETCH(QString, path); QFETCH(bool, abstract); QFETCH(bool, bound); // qDebug() << "socket" << path << abstract; int listenSocket; if (bound) { // create the unix socket listenSocket = ::socket(PF_UNIX, SOCK_STREAM, 0); QVERIFY2(listenSocket != -1, "failed to create test socket"); // Construct the unix address struct ::sockaddr_un addr; addr.sun_family = PF_UNIX; QVERIFY2(sizeof(addr.sun_path) > ((uint)path.size() + 1), "path to large to create socket"); ::memset(addr.sun_path, 0, sizeof(addr.sun_path)); if (abstract) ::memcpy(addr.sun_path+1, path.toLatin1().data(), path.toLatin1().size()); else ::memcpy(addr.sun_path, path.toLatin1().data(), path.toLatin1().size()); if (path.startsWith(QLatin1Char('/'))) { ::unlink(path.toLatin1()); } QVERIFY2(-1 != ::bind(listenSocket, (sockaddr *)&addr, sizeof(sockaddr_un)), "failed to bind test socket to address"); // listen for connections QVERIFY2(-1 != ::listen(listenSocket, 50), "failed to call listen on test socket"); } else { int fds[2]; QVERIFY2(-1 != ::socketpair(PF_UNIX, SOCK_STREAM, 0, fds), "failed to create socket pair"); listenSocket = fds[0]; close(fds[1]); } QLocalServer server; QVERIFY2(server.listen(listenSocket), "failed to start create QLocalServer with local socket"); #ifdef Q_OS_LINUX const QChar at(QLatin1Char('@')); if (!bound) { QCOMPARE(server.serverName().at(0), at); QCOMPARE(server.fullServerName().at(0), at); } else if (abstract) { QVERIFY2(server.fullServerName().at(0) == at, "abstract sockets should start with a '@'"); } else { QCOMPARE(server.fullServerName(), path); if (path.contains(QLatin1Char('/'))) { QVERIFY2(server.serverName() == path.mid(path.lastIndexOf(QLatin1Char('/'))+1), "server name invalid short name"); } else { QVERIFY2(server.serverName() == path, "servier name doesn't match the path provided"); } } #else QVERIFY(server.serverName().isEmpty()); QVERIFY(server.fullServerName().isEmpty()); #endif #endif } void tst_QLocalSocket::verifyListenWithDescriptor_data() { #ifdef Q_OS_UNIX QTest::addColumn("path"); QTest::addColumn("abstract"); QTest::addColumn("bound"); QTest::newRow("normal") << QDir::tempPath() + QLatin1String("/testsocket") << false << true; #ifdef Q_OS_LINUX QTest::newRow("abstract") << QString::fromLatin1("abstractsocketname") << true << true; QTest::newRow("abstractwithslash") << QString::fromLatin1("abstractsocketwitha/inthename") << true << true; #endif QTest::newRow("no path") << QString::fromLatin1("/invalid/no path name specified") << true << false; #endif } QTEST_MAIN(tst_QLocalSocket) #include "tst_qlocalsocket.moc"