--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/network/socket/qabstractsocketengine.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,254 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qabstractsocketengine_p.h"
+#include "qnativesocketengine_p.h"
+#include "qmutex.h"
+#include "qnetworkproxy.h"
+
+QT_BEGIN_NAMESPACE
+
+class QSocketEngineHandlerList : public QList<QSocketEngineHandler*>
+{
+public:
+    QMutex mutex;
+};
+
+Q_GLOBAL_STATIC(QSocketEngineHandlerList, socketHandlers)
+
+QSocketEngineHandler::QSocketEngineHandler()
+{
+    if (!socketHandlers())
+        return;
+    QMutexLocker locker(&socketHandlers()->mutex);
+    socketHandlers()->prepend(this);
+}
+
+QSocketEngineHandler::~QSocketEngineHandler()
+{
+    if (!socketHandlers())
+        return;
+    QMutexLocker locker(&socketHandlers()->mutex);
+    socketHandlers()->removeAll(this);
+}
+
+QAbstractSocketEnginePrivate::QAbstractSocketEnginePrivate()
+    : socketError(QAbstractSocket::UnknownSocketError)
+    , hasSetSocketError(false)
+    , socketErrorString(QLatin1String(QT_TRANSLATE_NOOP(QSocketLayer, "Unknown error")))
+    , socketState(QAbstractSocket::UnconnectedState)
+    , socketType(QAbstractSocket::UnknownSocketType)
+    , socketProtocol(QAbstractSocket::UnknownNetworkLayerProtocol)
+    , localPort(0)
+    , peerPort(0)
+    , receiver(0)
+{
+}
+
+QAbstractSocketEngine::QAbstractSocketEngine(QObject *parent)
+    : QObject(*new QAbstractSocketEnginePrivate(), parent)
+{
+}
+
+QAbstractSocketEngine::QAbstractSocketEngine(QAbstractSocketEnginePrivate &dd, QObject* parent)
+    : QObject(dd, parent)
+{
+}
+
+QAbstractSocketEngine *QAbstractSocketEngine::createSocketEngine(QAbstractSocket::SocketType socketType, const QNetworkProxy &proxy, QObject *parent)
+{
+#ifndef QT_NO_NETWORKPROXY
+    // proxy type must have been resolved by now
+    if (proxy.type() == QNetworkProxy::DefaultProxy)
+        return 0;
+#endif
+
+    QMutexLocker locker(&socketHandlers()->mutex);
+    for (int i = 0; i < socketHandlers()->size(); i++) {
+        if (QAbstractSocketEngine *ret = socketHandlers()->at(i)->createSocketEngine(socketType, proxy, parent))
+            return ret;
+    }
+
+#ifndef QT_NO_NETWORKPROXY
+    // only NoProxy can have reached here
+    if (proxy.type() != QNetworkProxy::NoProxy)
+        return 0;
+#endif
+
+    return new QNativeSocketEngine(parent);
+}
+
+QAbstractSocketEngine *QAbstractSocketEngine::createSocketEngine(int socketDescripter, QObject *parent)
+{
+    QMutexLocker locker(&socketHandlers()->mutex);
+    for (int i = 0; i < socketHandlers()->size(); i++) {
+        if (QAbstractSocketEngine *ret = socketHandlers()->at(i)->createSocketEngine(socketDescripter, parent))
+            return ret;
+    }
+    return new QNativeSocketEngine(parent);
+}
+
+QAbstractSocket::SocketError QAbstractSocketEngine::error() const
+{
+    return d_func()->socketError;
+}
+
+QString QAbstractSocketEngine::errorString() const
+{
+    return d_func()->socketErrorString;
+}
+
+void QAbstractSocketEngine::setError(QAbstractSocket::SocketError error, const QString &errorString) const
+{
+    Q_D(const QAbstractSocketEngine);
+    d->socketError = error;
+    d->socketErrorString = errorString;
+}
+
+void QAbstractSocketEngine::setReceiver(QAbstractSocketEngineReceiver *receiver)
+{
+    d_func()->receiver = receiver;
+}
+
+void QAbstractSocketEngine::readNotification()
+{
+    if (QAbstractSocketEngineReceiver *receiver = d_func()->receiver)
+        receiver->readNotification();
+}
+
+void QAbstractSocketEngine::writeNotification()
+{
+    if (QAbstractSocketEngineReceiver *receiver = d_func()->receiver)
+        receiver->writeNotification();
+}
+
+void QAbstractSocketEngine::exceptionNotification()
+{
+    if (QAbstractSocketEngineReceiver *receiver = d_func()->receiver)
+        receiver->exceptionNotification();
+}
+
+void QAbstractSocketEngine::connectionNotification()
+{
+    if (QAbstractSocketEngineReceiver *receiver = d_func()->receiver)
+        receiver->connectionNotification();
+}
+
+#ifndef QT_NO_NETWORKPROXY
+void QAbstractSocketEngine::proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *authenticator)
+{
+    if (QAbstractSocketEngineReceiver *receiver = d_func()->receiver)
+        receiver->proxyAuthenticationRequired(proxy, authenticator);
+}
+#endif
+
+
+QAbstractSocket::SocketState QAbstractSocketEngine::state() const
+{
+    return d_func()->socketState;
+}
+
+void QAbstractSocketEngine::setState(QAbstractSocket::SocketState state)
+{
+    d_func()->socketState = state;
+}
+
+QAbstractSocket::SocketType QAbstractSocketEngine::socketType() const
+{
+    return d_func()->socketType;
+}
+
+void QAbstractSocketEngine::setSocketType(QAbstractSocket::SocketType socketType)
+{
+    d_func()->socketType = socketType;
+}
+
+QAbstractSocket::NetworkLayerProtocol QAbstractSocketEngine::protocol() const
+{
+    return d_func()->socketProtocol;
+}
+
+void QAbstractSocketEngine::setProtocol(QAbstractSocket::NetworkLayerProtocol protocol)
+{
+    d_func()->socketProtocol = protocol;
+}
+
+QHostAddress QAbstractSocketEngine::localAddress() const
+{
+    return d_func()->localAddress;
+}
+
+void QAbstractSocketEngine::setLocalAddress(const QHostAddress &address)
+{
+    d_func()->localAddress = address;
+}
+
+quint16 QAbstractSocketEngine::localPort() const
+{
+    return d_func()->localPort;
+}
+
+void QAbstractSocketEngine::setLocalPort(quint16 port)
+{
+    d_func()->localPort = port;
+}
+
+QHostAddress QAbstractSocketEngine::peerAddress() const
+{
+    return d_func()->peerAddress;
+}
+
+void QAbstractSocketEngine::setPeerAddress(const QHostAddress &address)
+{
+   d_func()->peerAddress = address;
+}
+
+quint16 QAbstractSocketEngine::peerPort() const
+{
+    return d_func()->peerPort;
+}
+
+void QAbstractSocketEngine::setPeerPort(quint16 port)
+{
+    d_func()->peerPort = port;
+}
+
+QT_END_NAMESPACE