| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
| ** Contact: Nokia Corporation (qt-info@nokia.com) |
| ** |
| ** This file is part of the QtNetwork module 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 "qhttpsocketengine_p.h" |
| #include "qtcpsocket.h" |
| #include "qhostaddress.h" |
| #include "qurl.h" |
| #include "qhttp.h" |
| #include "qelapsedtimer.h" |
| |
| #if !defined(QT_NO_NETWORKPROXY) && !defined(QT_NO_HTTP) |
| #include <qdebug.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| #define DEBUG |
| |
| QHttpSocketEngine::QHttpSocketEngine(QObject *parent) |
| : QAbstractSocketEngine(*new QHttpSocketEnginePrivate, parent) |
| { |
| } |
| |
| QHttpSocketEngine::~QHttpSocketEngine() |
| { |
| } |
| |
| bool QHttpSocketEngine::initialize(QAbstractSocket::SocketType type, QAbstractSocket::NetworkLayerProtocol protocol) |
| { |
| Q_D(QHttpSocketEngine); |
| if (type != QAbstractSocket::TcpSocket) |
| return false; |
| |
| setProtocol(protocol); |
| setSocketType(type); |
| d->socket = new QTcpSocket(this); |
| |
| // Explicitly disable proxying on the proxy socket itself to avoid |
| // unwanted recursion. |
| d->socket->setProxy(QNetworkProxy::NoProxy); |
| |
| // Intercept all the signals. |
| connect(d->socket, SIGNAL(connected()), |
| this, SLOT(slotSocketConnected()), |
| Qt::DirectConnection); |
| connect(d->socket, SIGNAL(disconnected()), |
| this, SLOT(slotSocketDisconnected()), |
| Qt::DirectConnection); |
| connect(d->socket, SIGNAL(readyRead()), |
| this, SLOT(slotSocketReadNotification()), |
| Qt::DirectConnection); |
| connect(d->socket, SIGNAL(bytesWritten(qint64)), |
| this, SLOT(slotSocketBytesWritten()), |
| Qt::DirectConnection); |
| connect(d->socket, SIGNAL(error(QAbstractSocket::SocketError)), |
| this, SLOT(slotSocketError(QAbstractSocket::SocketError)), |
| Qt::DirectConnection); |
| connect(d->socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)), |
| this, SLOT(slotSocketStateChanged(QAbstractSocket::SocketState)), |
| Qt::DirectConnection); |
| |
| return true; |
| } |
| |
| bool QHttpSocketEngine::initialize(int, QAbstractSocket::SocketState) |
| { |
| return false; |
| } |
| |
| void QHttpSocketEngine::setProxy(const QNetworkProxy &proxy) |
| { |
| Q_D(QHttpSocketEngine); |
| d->proxy = proxy; |
| QString user = proxy.user(); |
| if (!user.isEmpty()) |
| d->authenticator.setUser(user); |
| QString password = proxy.password(); |
| if (!password.isEmpty()) |
| d->authenticator.setPassword(password); |
| } |
| |
| int QHttpSocketEngine::socketDescriptor() const |
| { |
| Q_D(const QHttpSocketEngine); |
| return d->socket ? d->socket->socketDescriptor() : 0; |
| } |
| |
| bool QHttpSocketEngine::isValid() const |
| { |
| Q_D(const QHttpSocketEngine); |
| return d->socket; |
| } |
| |
| bool QHttpSocketEngine::connectInternal() |
| { |
| Q_D(QHttpSocketEngine); |
| |
| // If the handshake is done, enter ConnectedState state and return true. |
| if (d->state == Connected) { |
| qWarning("QHttpSocketEngine::connectToHost: called when already connected"); |
| setState(QAbstractSocket::ConnectedState); |
| return true; |
| } |
| |
| if (d->state == ConnectSent && d->socketState != QAbstractSocket::ConnectedState) |
| setState(QAbstractSocket::UnconnectedState); |
| |
| // Handshake isn't done. If unconnected, start connecting. |
| if (d->state == None && d->socket->state() == QAbstractSocket::UnconnectedState) { |
| setState(QAbstractSocket::ConnectingState); |
| //limit buffer in internal socket, data is buffered in the external socket under application control |
| d->socket->setReadBufferSize(65536); |
| d->socket->connectToHost(d->proxy.hostName(), d->proxy.port()); |
| } |
| |
| // If connected (might happen right away, at least for localhost services |
| // on some BSD systems), there might already be bytes available. |
| if (bytesAvailable()) |
| slotSocketReadNotification(); |
| |
| return d->socketState == QAbstractSocket::ConnectedState; |
| } |
| |
| bool QHttpSocketEngine::connectToHost(const QHostAddress &address, quint16 port) |
| { |
| Q_D(QHttpSocketEngine); |
| |
| setPeerAddress(address); |
| setPeerPort(port); |
| d->peerName.clear(); |
| |
| return connectInternal(); |
| } |
| |
| bool QHttpSocketEngine::connectToHostByName(const QString &hostname, quint16 port) |
| { |
| Q_D(QHttpSocketEngine); |
| |
| setPeerAddress(QHostAddress()); |
| setPeerPort(port); |
| d->peerName = hostname; |
| |
| return connectInternal(); |
| } |
| |
| bool QHttpSocketEngine::bind(const QHostAddress &, quint16) |
| { |
| return false; |
| } |
| |
| bool QHttpSocketEngine::listen() |
| { |
| return false; |
| } |
| |
| int QHttpSocketEngine::accept() |
| { |
| return 0; |
| } |
| |
| void QHttpSocketEngine::close() |
| { |
| Q_D(QHttpSocketEngine); |
| if (d->socket) { |
| d->socket->close(); |
| delete d->socket; |
| d->socket = 0; |
| } |
| } |
| |
| qint64 QHttpSocketEngine::bytesAvailable() const |
| { |
| Q_D(const QHttpSocketEngine); |
| return d->readBuffer.size() + (d->socket ? d->socket->bytesAvailable() : 0); |
| } |
| |
| qint64 QHttpSocketEngine::read(char *data, qint64 maxlen) |
| { |
| Q_D(QHttpSocketEngine); |
| qint64 bytesRead = d->socket->read(data, maxlen); |
| |
| if (d->socket->state() == QAbstractSocket::UnconnectedState |
| && d->socket->bytesAvailable() == 0) { |
| emitReadNotification(); |
| } |
| |
| if (bytesRead == -1) { |
| // If nothing has been read so far, and the direct socket read |
| // failed, return the socket's error. Otherwise, fall through and |
| // return as much as we read so far. |
| close(); |
| setError(QAbstractSocket::RemoteHostClosedError, |
| QLatin1String("Remote host closed")); |
| setState(QAbstractSocket::UnconnectedState); |
| return -1; |
| } |
| return bytesRead; |
| } |
| |
| qint64 QHttpSocketEngine::write(const char *data, qint64 len) |
| { |
| Q_D(QHttpSocketEngine); |
| return d->socket->write(data, len); |
| } |
| |
| #ifndef QT_NO_UDPSOCKET |
| qint64 QHttpSocketEngine::readDatagram(char *, qint64, QHostAddress *, |
| quint16 *) |
| { |
| return 0; |
| } |
| |
| qint64 QHttpSocketEngine::writeDatagram(const char *, qint64, const QHostAddress &, |
| quint16) |
| { |
| return 0; |
| } |
| |
| bool QHttpSocketEngine::hasPendingDatagrams() const |
| { |
| return false; |
| } |
| |
| qint64 QHttpSocketEngine::pendingDatagramSize() const |
| { |
| return 0; |
| } |
| #endif // QT_NO_UDPSOCKET |
| |
| qint64 QHttpSocketEngine::bytesToWrite() const |
| { |
| Q_D(const QHttpSocketEngine); |
| if (d->socket) { |
| return d->socket->bytesToWrite(); |
| } else { |
| return 0; |
| } |
| } |
| |
| int QHttpSocketEngine::option(SocketOption option) const |
| { |
| Q_D(const QHttpSocketEngine); |
| if (d->socket) { |
| // convert the enum and call the real socket |
| if (option == QAbstractSocketEngine::LowDelayOption) |
| return d->socket->socketOption(QAbstractSocket::LowDelayOption).toInt(); |
| if (option == QAbstractSocketEngine::KeepAliveOption) |
| return d->socket->socketOption(QAbstractSocket::KeepAliveOption).toInt(); |
| } |
| return -1; |
| } |
| |
| bool QHttpSocketEngine::setOption(SocketOption option, int value) |
| { |
| Q_D(QHttpSocketEngine); |
| if (d->socket) { |
| // convert the enum and call the real socket |
| if (option == QAbstractSocketEngine::LowDelayOption) |
| d->socket->setSocketOption(QAbstractSocket::LowDelayOption, value); |
| if (option == QAbstractSocketEngine::KeepAliveOption) |
| d->socket->setSocketOption(QAbstractSocket::KeepAliveOption, value); |
| return true; |
| } |
| return false; |
| } |
| |
| /* |
| Returns the difference between msecs and elapsed. If msecs is -1, |
| however, -1 is returned. |
| */ |
| static int qt_timeout_value(int msecs, int elapsed) |
| { |
| if (msecs == -1) |
| return -1; |
| |
| int timeout = msecs - elapsed; |
| return timeout < 0 ? 0 : timeout; |
| } |
| |
| bool QHttpSocketEngine::waitForRead(int msecs, bool *timedOut) |
| { |
| Q_D(const QHttpSocketEngine); |
| |
| if (!d->socket || d->socket->state() == QAbstractSocket::UnconnectedState) |
| return false; |
| |
| QElapsedTimer stopWatch; |
| stopWatch.start(); |
| |
| // Wait for more data if nothing is available. |
| if (!d->socket->bytesAvailable()) { |
| if (!d->socket->waitForReadyRead(qt_timeout_value(msecs, stopWatch.elapsed()))) { |
| if (d->socket->state() == QAbstractSocket::UnconnectedState) |
| return true; |
| setError(d->socket->error(), d->socket->errorString()); |
| if (timedOut && d->socket->error() == QAbstractSocket::SocketTimeoutError) |
| *timedOut = true; |
| return false; |
| } |
| } |
| |
| // If we're not connected yet, wait until we are, or until an error |
| // occurs. |
| while (d->state != Connected && d->socket->waitForReadyRead(qt_timeout_value(msecs, stopWatch.elapsed()))) { |
| // Loop while the protocol handshake is taking place. |
| } |
| |
| // Report any error that may occur. |
| if (d->state != Connected) { |
| setError(d->socket->error(), d->socket->errorString()); |
| if (timedOut && d->socket->error() == QAbstractSocket::SocketTimeoutError) |
| *timedOut = true; |
| return false; |
| } |
| return true; |
| } |
| |
| bool QHttpSocketEngine::waitForWrite(int msecs, bool *timedOut) |
| { |
| Q_D(const QHttpSocketEngine); |
| |
| // If we're connected, just forward the call. |
| if (d->state == Connected) { |
| if (d->socket->bytesToWrite()) { |
| if (!d->socket->waitForBytesWritten(msecs)) { |
| if (d->socket->error() == QAbstractSocket::SocketTimeoutError && timedOut) |
| *timedOut = true; |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| QElapsedTimer stopWatch; |
| stopWatch.start(); |
| |
| // If we're not connected yet, wait until we are, and until bytes have |
| // been received (i.e., the socket has connected, we have sent the |
| // greeting, and then received the response). |
| while (d->state != Connected && d->socket->waitForReadyRead(qt_timeout_value(msecs, stopWatch.elapsed()))) { |
| // Loop while the protocol handshake is taking place. |
| } |
| |
| // Report any error that may occur. |
| if (d->state != Connected) { |
| // setError(d->socket->error(), d->socket->errorString()); |
| if (timedOut && d->socket->error() == QAbstractSocket::SocketTimeoutError) |
| *timedOut = true; |
| } |
| |
| return true; |
| } |
| |
| bool QHttpSocketEngine::waitForReadOrWrite(bool *readyToRead, bool *readyToWrite, |
| bool checkRead, bool checkWrite, |
| int msecs, bool *timedOut) |
| { |
| Q_UNUSED(checkRead); |
| |
| if (!checkWrite) { |
| // Not interested in writing? Then we wait for read notifications. |
| bool canRead = waitForRead(msecs, timedOut); |
| if (readyToRead) |
| *readyToRead = canRead; |
| return canRead; |
| } |
| |
| // Interested in writing? Then we wait for write notifications. |
| bool canWrite = waitForWrite(msecs, timedOut); |
| if (readyToWrite) |
| *readyToWrite = canWrite; |
| return canWrite; |
| } |
| |
| bool QHttpSocketEngine::isReadNotificationEnabled() const |
| { |
| Q_D(const QHttpSocketEngine); |
| return d->readNotificationEnabled; |
| } |
| |
| void QHttpSocketEngine::setReadNotificationEnabled(bool enable) |
| { |
| Q_D(QHttpSocketEngine); |
| if (d->readNotificationEnabled == enable) |
| return; |
| |
| d->readNotificationEnabled = enable; |
| if (enable) { |
| // Enabling read notification can trigger a notification. |
| if (bytesAvailable()) |
| slotSocketReadNotification(); |
| } |
| } |
| |
| bool QHttpSocketEngine::isWriteNotificationEnabled() const |
| { |
| Q_D(const QHttpSocketEngine); |
| return d->writeNotificationEnabled; |
| } |
| |
| void QHttpSocketEngine::setWriteNotificationEnabled(bool enable) |
| { |
| Q_D(QHttpSocketEngine); |
| d->writeNotificationEnabled = enable; |
| if (enable && d->state == Connected && d->socket->state() == QAbstractSocket::ConnectedState) |
| QMetaObject::invokeMethod(this, "writeNotification", Qt::QueuedConnection); |
| } |
| |
| bool QHttpSocketEngine::isExceptionNotificationEnabled() const |
| { |
| Q_D(const QHttpSocketEngine); |
| return d->exceptNotificationEnabled; |
| } |
| |
| void QHttpSocketEngine::setExceptionNotificationEnabled(bool enable) |
| { |
| Q_D(QHttpSocketEngine); |
| d->exceptNotificationEnabled = enable; |
| } |
| |
| void QHttpSocketEngine::slotSocketConnected() |
| { |
| Q_D(QHttpSocketEngine); |
| |
| // Send the greeting. |
| const char method[] = "CONNECT "; |
| QByteArray peerAddress = d->peerName.isEmpty() ? |
| d->peerAddress.toString().toLatin1() : |
| QUrl::toAce(d->peerName); |
| QByteArray path = peerAddress + ':' + QByteArray::number(d->peerPort); |
| QByteArray data = method; |
| data += path; |
| data += " HTTP/1.1\r\n"; |
| data += "Proxy-Connection: keep-alive\r\n" |
| "User-Agent: "; |
| QVariant v = property("_q_user-agent"); |
| if (v.isValid()) |
| data += v.toByteArray(); |
| else |
| data += "Mozilla/5.0"; |
| data += "\r\n" |
| "Host: " + peerAddress + "\r\n"; |
| QAuthenticatorPrivate *priv = QAuthenticatorPrivate::getPrivate(d->authenticator); |
| //qDebug() << "slotSocketConnected: priv=" << priv << (priv ? (int)priv->method : -1); |
| if (priv && priv->method != QAuthenticatorPrivate::None) { |
| data += "Proxy-Authorization: " + priv->calculateResponse(method, path); |
| data += "\r\n"; |
| } |
| data += "\r\n"; |
| // qDebug() << ">>>>>>>> sending request" << this; |
| // qDebug() << data; |
| // qDebug() << ">>>>>>>"; |
| d->socket->write(data); |
| d->state = ConnectSent; |
| } |
| |
| void QHttpSocketEngine::slotSocketDisconnected() |
| { |
| } |
| |
| void QHttpSocketEngine::slotSocketReadNotification() |
| { |
| Q_D(QHttpSocketEngine); |
| if (d->state != Connected && d->socket->bytesAvailable() == 0) |
| return; |
| |
| if (d->state == Connected) { |
| // Forward as a read notification. |
| if (d->readNotificationEnabled) |
| emitReadNotification(); |
| return; |
| } |
| |
| readResponseContent: |
| if (d->state == ReadResponseContent) { |
| char dummybuffer[4096]; |
| while (d->pendingResponseData) { |
| int read = d->socket->read(dummybuffer, qMin(sizeof(dummybuffer), (size_t)d->pendingResponseData)); |
| if (read >= 0) |
| dummybuffer[read] = 0; |
| |
| if (read == 0) |
| return; |
| if (read == -1) { |
| d->socket->disconnectFromHost(); |
| emitWriteNotification(); |
| return; |
| } |
| d->pendingResponseData -= read; |
| } |
| if (d->pendingResponseData > 0) |
| return; |
| d->state = SendAuthentication; |
| slotSocketConnected(); |
| return; |
| } |
| |
| // Still in handshake mode. Wait until we've got a full response. |
| bool done = false; |
| do { |
| d->readBuffer += d->socket->readLine(); |
| } while (!(done = d->readBuffer.endsWith("\r\n\r\n")) && d->socket->canReadLine()); |
| |
| if (!done) { |
| // Wait for more. |
| return; |
| } |
| |
| if (!d->readBuffer.startsWith("HTTP/1.")) { |
| // protocol error, this isn't HTTP |
| d->readBuffer.clear(); |
| d->socket->close(); |
| setState(QAbstractSocket::UnconnectedState); |
| setError(QAbstractSocket::ProxyProtocolError, tr("Did not receive HTTP response from proxy")); |
| emitConnectionNotification(); |
| return; |
| } |
| |
| QHttpResponseHeader responseHeader(QString::fromLatin1(d->readBuffer)); |
| d->readBuffer.clear(); // we parsed the proxy protocol response. from now on direct socket reading will be done |
| |
| int statusCode = responseHeader.statusCode(); |
| if (statusCode == 200) { |
| d->state = Connected; |
| setLocalAddress(d->socket->localAddress()); |
| setLocalPort(d->socket->localPort()); |
| setState(QAbstractSocket::ConnectedState); |
| } else if (statusCode == 407) { |
| if (d->authenticator.isNull()) |
| d->authenticator.detach(); |
| QAuthenticatorPrivate *priv = QAuthenticatorPrivate::getPrivate(d->authenticator); |
| |
| priv->parseHttpResponse(responseHeader, true); |
| |
| if (priv->phase == QAuthenticatorPrivate::Invalid) { |
| // problem parsing the reply |
| d->socket->close(); |
| setState(QAbstractSocket::UnconnectedState); |
| setError(QAbstractSocket::ProxyProtocolError, tr("Error parsing authentication request from proxy")); |
| emitConnectionNotification(); |
| return; |
| } |
| |
| bool willClose; |
| QString proxyConnectionHeader = responseHeader.value(QLatin1String("Proxy-Connection")); |
| proxyConnectionHeader = proxyConnectionHeader.toLower(); |
| if (proxyConnectionHeader == QLatin1String("close")) { |
| willClose = true; |
| } else if (proxyConnectionHeader == QLatin1String("keep-alive")) { |
| willClose = false; |
| } else { |
| // no Proxy-Connection header, so use the default |
| // HTTP 1.1's default behaviour is to keep persistent connections |
| // HTTP 1.0 or earlier, so we expect the server to close |
| willClose = (responseHeader.majorVersion() * 0x100 + responseHeader.minorVersion()) <= 0x0100; |
| } |
| |
| if (willClose) { |
| // the server will disconnect, so let's avoid receiving an error |
| // especially since the signal below may trigger a new event loop |
| d->socket->disconnectFromHost(); |
| d->socket->readAll(); |
| } |
| |
| if (priv->phase == QAuthenticatorPrivate::Done) |
| emit proxyAuthenticationRequired(d->proxy, &d->authenticator); |
| |
| // priv->phase will get reset to QAuthenticatorPrivate::Start if the authenticator got modified in the signal above. |
| if (priv->phase == QAuthenticatorPrivate::Done) { |
| setError(QAbstractSocket::ProxyAuthenticationRequiredError, tr("Authentication required")); |
| d->socket->disconnectFromHost(); |
| } else { |
| // close the connection if it isn't already and reconnect using the chosen authentication method |
| d->state = SendAuthentication; |
| if (willClose) { |
| d->socket->connectToHost(d->proxy.hostName(), d->proxy.port()); |
| } else { |
| bool ok; |
| int contentLength = responseHeader.value(QLatin1String("Content-Length")).toInt(&ok); |
| if (ok && contentLength > 0) { |
| d->state = ReadResponseContent; |
| d->pendingResponseData = contentLength; |
| goto readResponseContent; |
| } else { |
| d->state = SendAuthentication; |
| slotSocketConnected(); |
| } |
| } |
| return; |
| } |
| } else { |
| d->socket->close(); |
| setState(QAbstractSocket::UnconnectedState); |
| if (statusCode == 403 || statusCode == 405) { |
| // 403 Forbidden |
| // 405 Method Not Allowed |
| setError(QAbstractSocket::SocketAccessError, tr("Proxy denied connection")); |
| } else if (statusCode == 404) { |
| // 404 Not Found: host lookup error |
| setError(QAbstractSocket::HostNotFoundError, QAbstractSocket::tr("Host not found")); |
| } else if (statusCode == 503) { |
| // 503 Service Unavailable: Connection Refused |
| setError(QAbstractSocket::ConnectionRefusedError, QAbstractSocket::tr("Connection refused")); |
| } else { |
| // Some other reply |
| //qWarning("UNEXPECTED RESPONSE: [%s]", responseHeader.toString().toLatin1().data()); |
| setError(QAbstractSocket::ProxyProtocolError, tr("Error communicating with HTTP proxy")); |
| } |
| } |
| |
| // The handshake is done; notify that we're connected (or failed to connect) |
| emitConnectionNotification(); |
| } |
| |
| void QHttpSocketEngine::slotSocketBytesWritten() |
| { |
| Q_D(QHttpSocketEngine); |
| if (d->state == Connected && d->writeNotificationEnabled) |
| emitWriteNotification(); |
| } |
| |
| void QHttpSocketEngine::slotSocketError(QAbstractSocket::SocketError error) |
| { |
| Q_D(QHttpSocketEngine); |
| d->readBuffer.clear(); |
| |
| if (d->state != Connected) { |
| // we are in proxy handshaking stages |
| if (error == QAbstractSocket::HostNotFoundError) |
| setError(QAbstractSocket::ProxyNotFoundError, tr("Proxy server not found")); |
| else if (error == QAbstractSocket::ConnectionRefusedError) |
| setError(QAbstractSocket::ProxyConnectionRefusedError, tr("Proxy connection refused")); |
| else if (error == QAbstractSocket::SocketTimeoutError) |
| setError(QAbstractSocket::ProxyConnectionTimeoutError, tr("Proxy server connection timed out")); |
| else if (error == QAbstractSocket::RemoteHostClosedError) |
| setError(QAbstractSocket::ProxyConnectionClosedError, tr("Proxy connection closed prematurely")); |
| else |
| setError(error, d->socket->errorString()); |
| emitConnectionNotification(); |
| return; |
| } |
| |
| // We're connected |
| if (error == QAbstractSocket::SocketTimeoutError) |
| return; // ignore this error |
| |
| d->state = None; |
| setError(error, d->socket->errorString()); |
| if (error == QAbstractSocket::RemoteHostClosedError) { |
| emitReadNotification(); |
| } else { |
| qDebug() << "QHttpSocketEngine::slotSocketError: got weird error =" << error; |
| } |
| } |
| |
| void QHttpSocketEngine::slotSocketStateChanged(QAbstractSocket::SocketState state) |
| { |
| Q_UNUSED(state); |
| } |
| |
| void QHttpSocketEngine::emitPendingReadNotification() |
| { |
| Q_D(QHttpSocketEngine); |
| d->readNotificationPending = false; |
| if (d->readNotificationEnabled) |
| emit readNotification(); |
| } |
| |
| void QHttpSocketEngine::emitPendingWriteNotification() |
| { |
| Q_D(QHttpSocketEngine); |
| d->writeNotificationPending = false; |
| if (d->writeNotificationEnabled) |
| emit writeNotification(); |
| } |
| |
| void QHttpSocketEngine::emitPendingConnectionNotification() |
| { |
| Q_D(QHttpSocketEngine); |
| d->connectionNotificationPending = false; |
| emit connectionNotification(); |
| } |
| |
| void QHttpSocketEngine::emitReadNotification() |
| { |
| Q_D(QHttpSocketEngine); |
| d->readNotificationActivated = true; |
| if (d->readNotificationEnabled && !d->readNotificationPending) { |
| d->readNotificationPending = true; |
| QMetaObject::invokeMethod(this, "emitPendingReadNotification", Qt::QueuedConnection); |
| } |
| } |
| |
| void QHttpSocketEngine::emitWriteNotification() |
| { |
| Q_D(QHttpSocketEngine); |
| d->writeNotificationActivated = true; |
| if (d->writeNotificationEnabled && !d->writeNotificationPending) { |
| d->writeNotificationPending = true; |
| QMetaObject::invokeMethod(this, "emitPendingWriteNotification", Qt::QueuedConnection); |
| } |
| } |
| |
| void QHttpSocketEngine::emitConnectionNotification() |
| { |
| Q_D(QHttpSocketEngine); |
| if (!d->connectionNotificationPending) { |
| d->connectionNotificationPending = true; |
| QMetaObject::invokeMethod(this, "emitPendingConnectionNotification", Qt::QueuedConnection); |
| } |
| } |
| |
| QHttpSocketEnginePrivate::QHttpSocketEnginePrivate() |
| : readNotificationEnabled(false) |
| , writeNotificationEnabled(false) |
| , exceptNotificationEnabled(false) |
| , readNotificationActivated(false) |
| , writeNotificationActivated(false) |
| , readNotificationPending(false) |
| , writeNotificationPending(false) |
| , connectionNotificationPending(false) |
| , pendingResponseData(0) |
| { |
| socket = 0; |
| state = QHttpSocketEngine::None; |
| } |
| |
| QHttpSocketEnginePrivate::~QHttpSocketEnginePrivate() |
| { |
| } |
| |
| QAbstractSocketEngine *QHttpSocketEngineHandler::createSocketEngine(QAbstractSocket::SocketType socketType, |
| const QNetworkProxy &proxy, |
| QObject *parent) |
| { |
| if (socketType != QAbstractSocket::TcpSocket) |
| return 0; |
| |
| // proxy type must have been resolved by now |
| if (proxy.type() != QNetworkProxy::HttpProxy) |
| return 0; |
| |
| // we only accept active sockets |
| if (!qobject_cast<QAbstractSocket *>(parent)) |
| return 0; |
| |
| QHttpSocketEngine *engine = new QHttpSocketEngine(parent); |
| engine->setProxy(proxy); |
| return engine; |
| } |
| |
| QAbstractSocketEngine *QHttpSocketEngineHandler::createSocketEngine(int, QObject *) |
| { |
| return 0; |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |
