C++ connectionClosed函数代码示例

ICMainWindow::ICMainWindow(ICServer *theServer, QWidget *parent) :
    QMainWindow(parent), server(theServer), questionDialog(new ICNewQuestionDialog(this)),
    onCanvas(false)
{
    setupUi(this);

    setWindowIcon(QIcon(":/images/icimage.png"));

    //this->setAttribute(Qt::WA_TranslucentBackground, true);
    setWindowFlags(Qt::FramelessWindowHint);
    //questionDialog->setWindowOpacity(0.8);
    questionDialog->setWindowFlags(questionDialog->windowFlags() | Qt::FramelessWindowHint);

    connect(exitButton, SIGNAL(clicked()), this, SLOT(close()));
    connect(minimizeButton, SIGNAL(clicked()), this, SLOT(showMinimized()));

    connect(understandButton, SIGNAL(clicked()), this, SLOT(understand()));
    connect(questionButton, SIGNAL(clicked()), this, SLOT(question()));
    connect(stopButton, SIGNAL(clicked()), this, SLOT(stop()));

    connect(server, SIGNAL(newAnswerArrived(QString)), this, SLOT(newAnswerArrived(QString)));
    connect(server, SIGNAL(connectionClosed()), this, SLOT(connectionClosed()));

    connect(questionDialog, SIGNAL(newQuestion(int,int)), this, SLOT(newQuestionReady(int,int)));

    sidLabel->setText(server->getIdentifier());
    countLabel->setText("0/0");
}

ClientSocket::ClientSocket( int sock, InfoData *i, QObject *parent, const char *name ) :
    QSocket( parent, name ), info( i )
{
    connect( this, SIGNAL(readyRead()), SLOT(readClient()) );
    connect( this, SIGNAL(connectionClosed()), SLOT(connectionClosed()) );
    setSocket( sock );
}

ClientSocket::ClientSocket( QObject *parent, QTcpSocket * socket, unsigned int maximum_len) :
  QObject( parent),
  sock(socket),
  maxLen(maximum_len)
{
      connect( sock, SIGNAL(readyRead()), this, SLOT(readClient()) );
      connect( sock, SIGNAL(connectionClosed()), this, SLOT(connectionClosed()) );
}

FQTermTelnetSocket::FQTermTelnetSocket()
    : FQTermSocket() {
  private_socket_ = new FQTermSocketPrivate();
  FQ_VERIFY(connect(private_socket_, SIGNAL(connected()), this, SIGNAL(connected())));
  FQ_VERIFY(connect(private_socket_, SIGNAL(hostFound()), this, SIGNAL(hostFound())));
  FQ_VERIFY(connect(private_socket_, SIGNAL(connectionClosed()), this, SIGNAL(connectionClosed())));
  FQ_VERIFY(connect(private_socket_, SIGNAL(delayedCloseFinished()),
                    this, SIGNAL(delayedCloseFinished())));
  FQ_VERIFY(connect(private_socket_, SIGNAL(readyRead()), this, SIGNAL(readyRead())));
  FQ_VERIFY(connect(private_socket_, SIGNAL(error(QAbstractSocket::SocketError)), this, SIGNAL(error(QAbstractSocket::SocketError))));
  FQ_VERIFY(connect(private_socket_, SIGNAL(socketState(int)), this, SIGNAL(socketState(int))));
}

void RdpView::connectionError(const QString &text, const QString &caption)
{
    m_quitFlag = true;
    KMessageBox::error(0, text, caption);
    emit disconnectedError();
    connectionClosed(ForceClose);
}

void panel_control_hand::crearSocketSlot() {
	std::ostringstream pcout;
    // Creamdo el socket y conxión de varias de sus señales

    if (haySocket==0)
    {
    socket = new QSocket( this );
	timer_socket = new QTimer( this );
	timer_socket->start(400, TRUE);

    connect( socket, SIGNAL(connected()), SLOT(SocketConectadoSlot()) );
    connect( socket, SIGNAL(connectionClosed()), SLOT(SocketConexionCerradaSlot()) );
    connect( socket, SIGNAL(error(int)), SLOT(SocketErrorSlot(int)) );
	connect( timer_socket, SIGNAL(timeout()), this, SLOT(enviarDatoAlServidorSlot()) );

    //  IP remota y puerto que utilizara el Socket
    pcout << "Connectant al servidor" << std::endl;
	kinechain->send_stream (pcout);
    socket->connectToHost( "147.83.37.84", 4242 );
    }
    else
    {
    connect_active = TRUE;
    timer_socket->start(400, TRUE);
    pcout << "Connexió reiniciada" << std::endl;
    kinechain->send_stream (pcout);
    }

}

void TcpThread::run()
{
	/**
	* 内存泄漏检查
	*/
	//_CrtDumpMemoryLeaks();
	//
	TotalBytes = 0;  
	bytesReceived = 0;  
	fileNameSize = 0;  
	blockSize = 0;
	loadSize = 4*1024;
	bytesToWrite = 0;
	bytesWritten = 0;
	blFileOpen = false;
	blerror = false;
	upload_AND_download_Path = "G:\\TEEData\\";
	m_searchPath = "G:\\TEEData_Build\\";
	tcpServerConnection = new QTcpSocket;
	if (!tcpServerConnection->setSocketDescriptor(socketDescriptor)) {
		emit error(tcpServerConnection->error());
		return;
	}
	connect(tcpServerConnection, SIGNAL(readyRead()), this, SLOT(receiveData()),Qt::DirectConnection);
	connect(tcpServerConnection, SIGNAL(error(QAbstractSocket::SocketError)), this,SLOT(displayError(QAbstractSocket::SocketError)), Qt::DirectConnection); 
	connect(tcpServerConnection, SIGNAL(connectionClosed()), this, SLOT(connectError()), Qt::DirectConnection);
	exec();
}

int QHttpConnection::HeadersComplete(http_parser *parser)
{
    QHttpConnection *theConnection = (QHttpConnection *)parser->data;
    Q_ASSERT(theConnection->m_request);

    /** set method **/
    theConnection->m_request->setMethod(static_cast<QHttpRequest::HttpMethod>(parser->method));

    /** set version **/
    theConnection->m_request->setVersion(QString("%1.%2").arg(parser->http_major).arg(parser->http_minor));

    // Insert last remaining header
    theConnection->m_currentHeaders[theConnection->m_currentHeaderField.toLower()] = theConnection->m_currentHeaderValue;
    theConnection->m_request->setHeaders(theConnection->m_currentHeaders);

    /** set client information **/
    theConnection->m_request->m_remoteAddress = theConnection->m_socket->peerAddress().toString();
    theConnection->m_request->m_remotePort = theConnection->m_socket->peerPort();

    QHttpResponse *response = new QHttpResponse(theConnection);
    if( parser->http_major < 1 || parser->http_minor < 1 )
        response->m_keepAlive = false;

    connect(theConnection, SIGNAL(destroyed()), response, SLOT(connectionClosed()));

    // we are good to go!
    Q_EMIT theConnection->newRequest(theConnection->m_request, response);
    return 0;
}

void PollServerThread::run()
{
    extern volatile bool gPhoneScreenSyncOn;
    while ( !m_exit && gPhoneScreenSyncOn ) {
        if ( !connecting() ) {
            int n = WaitForMessage(m_rfbClient, 500);
            if ( n < 0 ) {
                m_exit = true;
                break;
            } else if ( n > 0 ) {
                emit messageArrived();
                m_lastMessageReceivedTimer.start();
            } else if ( checkConnection() ) {
                if ( ((ConnectionWindow *)parent())->connected() && m_lastMessageReceivedTimer.elapsed() > QVNCVIEWER_CONNPEND_TIMEOUT ) {
                    setCheckConnection(false);
                    m_rfbClient->updateRect.x = m_rfbClient->updateRect.y = 0;
                    m_rfbClient->updateRect.w = m_rfbClient->width;
                    m_rfbClient->updateRect.h = m_rfbClient->height;
                    SendIncrementalFramebufferUpdateRequest(m_rfbClient);
                }
            }
            QTest::qWait(0);
        } else  if ( connecting() ) {
            setCheckConnection(true);
            qApp->processEvents(QEventLoop::AllEvents, 10);
        }
    }

    emit connectionClosed();
}

void TestabilityService::sendRegisterMessage()
{  
    disconnect(mServerConnection, SIGNAL(connected()), this, SLOT(sendRegisterMessage()));

    QMap<QString, QString> attrs;
    attrs[PLUGIN_ID] = mPluginId;
    attrs[PLUGIN_NAME] = TestabilityUtils::getApplicationName();
    attrs[PLUGIN_TYPE] = TAS_PLUGIN;
#ifdef Q_OS_SYMBIAN
    quintptr uid = CEikonEnv::Static()->EikAppUi()->Application()->AppDllUid().iUid;
    attrs[APP_UID] = QString::number(uid);
#endif        
    QString message = makeReqisterMessage(COMMAND_REGISTER, attrs);

    mSocket->setResponseHandler(this);

    TasLogger::logger()->info("TestabilityService::reqisterServicePlugin send register message."); 
    mMessageId++;
    if(!mSocket->sendRequest(mMessageId, message)){
        TasLogger::logger()->error("TestabilityService::reqisterServicePlugin registering failed"); 
        mRegisterTime.stop();
        mSocket->closeConnection();
        connectionClosed();
    }
}

/*!
    Constructs an assistant client object. The \a path specifies the
    path to the Qt Assistant executable. If \a path is an empty
    string the system path (\c{%PATH%} or \c $PATH) is used.

    The assistant client object is a child of \a parent and is called
    \a name.
*/
QAssistantClient::QAssistantClient( const QString &path, QObject *parent, const char *name )
    : QObject( parent, name ), host ( "localhost" )
{
    if ( path.isEmpty() )
	assistantCommand = "assistant";
    else {
	QFileInfo fi( path );
	if ( fi.isDir() )
	    assistantCommand = path + "/assistant";
	else
	    assistantCommand = path;
    }

#if defined(Q_OS_MACX)
    assistantCommand += ".app/Contents/MacOS/assistant";
#elif defined(Q_WS_WIN)
    if (!assistantCommand.endsWith(".exe"))
        assistantCommand += ".exe";
#endif
    socket = new QSocket( this );
    connect( socket, SIGNAL( connected() ),
	    SLOT( socketConnected() ) );
    connect( socket, SIGNAL( connectionClosed() ),
	    SLOT( socketConnectionClosed() ) );
    connect( socket, SIGNAL( error( int ) ),
	    SLOT( socketError( int ) ) );
    opened = FALSE;
    proc = new QProcess( this );
    port = 0;
    pageBuffer = "";
    connect( proc, SIGNAL( readyReadStderr() ),
	     this, SLOT( readStdError() ) );
}

void ServerWorker::_processMessages()
{
    const qint64 headerSize( MessageHeader::serializedSize );

    if( _tcpSocket->bytesAvailable() >= headerSize )
        _receiveMessage();

    // Send all events
    foreach( const Event& evt, _events )
        _send( evt );
    _events.clear();

    _tcpSocket->flush();

    // Finish reading messages from the socket if connection closed
    if( _tcpSocket->state() != QAbstractSocket::ConnectedState )
    {
        while( _tcpSocket->bytesAvailable() >= headerSize )
            _receiveMessage();

        emit( connectionClosed( ));
    }
    else if( _tcpSocket->bytesAvailable() >= headerSize )
        emit _dataAvailable();
}

//------------------------------------------------------------------------------
My3Socket::My3Socket(QObject *parent)
    : Q3Socket(parent), safeShutDown(false)
{
    connect(this, SIGNAL(readyRead()), this, SLOT(read()));
    connect(this, SIGNAL(delayedCloseFinished()), this, SLOT(closed()));
    connect(this, SIGNAL(connectionClosed()), this, SLOT(closed()));
}

// Accept connection from server and initiate the SSL handshake
void Server::acceptConnection()
{
	if (sockets.empty() == false)
		std::cout << "Server is mad efor 1 connection also. Need to update to handle multiple connections" << std::endl;

  QSslSocket *socket = dynamic_cast<QSslSocket *>(server.nextPendingConnection());
  assert(socket);


  // Report any SSL errors that occur
  connect(socket, SIGNAL(sslErrors(const QList<QSslError> &)), this, SLOT(sslErrors(const QList<QSslError> &)));

  connect(socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(connectionFailure()));

  
  // QSslSocket emits the encrypted() signal after the encrypted connection is established
#define _USE_ENCRYPTION
#ifdef _USE_ENCRYPTION
  connect(socket, SIGNAL(encrypted()), this, SLOT(handshakeComplete()));
  socket->setPrivateKey(key);
  socket->setLocalCertificate(certificate);

  socket->setPeerVerifyMode(QSslSocket::VerifyNone);
  socket->startServerEncryption();
#else
  connect(socket, SIGNAL(disconnected()), this, SLOT(connectionClosed()));
  connect(socket, SIGNAL(readyRead()), this, SLOT(receiveMessage()));
  sockets.push_back(socket);
  std::cout << "Accepted connection from " << socket->peerAddress().toString().toStdString() << ":" << socket->peerPort() << " .Encrypted : " << socket->isEncrypted() << std::endl;
#endif
}

void Server::connectionHandler()
{
    m_clientConnection = m_server.nextPendingConnection();
    connect(m_clientConnection, SIGNAL(disconnected()), this, SLOT(connectionClosed()), Qt::DirectConnection);

    m_voipData->setServerConnected(true);
    clientConnectionChanged();
}