Merge commit 'origin/4.6' into oslo1-master

Conflicts:
	doc/src/deployment/deployment.qdoc
	doc/src/getting-started/installation.qdoc
	examples/assistant/simpletextviewer/findfiledialog.cpp
	examples/assistant/simpletextviewer/findfiledialog.h
	examples/assistant/simpletextviewer/mainwindow.cpp
	examples/webkit/fancybrowser/main.cpp
	src/corelib/global/qglobal.h
	src/gui/dialogs/qfiledialog_win.cpp
	src/plugins/qpluginbase.pri
	src/qbase.pri
	tests/auto/selftests/expected_cmptest.txt
	tests/auto/selftests/expected_crashes_3.txt
	tests/auto/selftests/expected_longstring.txt
	tests/auto/selftests/expected_maxwarnings.txt
	tests/auto/selftests/expected_skip.txt
	tools/assistant/compat/config.cpp
	tools/assistant/compat/config.h
	tools/assistant/compat/docuparser.cpp
	tools/assistant/compat/docuparser.h
	tools/assistant/compat/fontsettingsdialog.cpp
	tools/assistant/compat/helpdialog.cpp
	tools/assistant/compat/helpdialog.h
	tools/assistant/compat/helpdialog.ui
	tools/assistant/compat/helpwindow.cpp
	tools/assistant/compat/helpwindow.h
	tools/assistant/compat/index.cpp
	tools/assistant/compat/index.h
	tools/assistant/compat/lib/qassistantclient.cpp
	tools/assistant/compat/lib/qassistantclient.h
	tools/assistant/compat/main.cpp
	tools/assistant/compat/mainwindow.cpp
	tools/assistant/compat/mainwindow.h
	tools/assistant/compat/mainwindow.ui
	tools/assistant/compat/profile.cpp
	tools/assistant/compat/profile.h
	tools/assistant/compat/tabbedbrowser.cpp
	tools/assistant/compat/tabbedbrowser.h
	tools/assistant/compat/tabbedbrowser.ui
	tools/assistant/compat/topicchooser.cpp
	tools/assistant/compat/topicchooser.ui
	tools/assistant/lib/qhelpsearchquerywidget.cpp
	tools/assistant/tools/assistant/centralwidget.cpp
	tools/assistant/tools/assistant/doc/assistant.qdocconf
	tools/assistant/tools/assistant/helpviewer.cpp
	tools/linguist/lupdate/main.cpp
	tools/qdoc3/test/assistant.qdocconf
	tools/qdoc3/test/designer.qdocconf
	tools/qdoc3/test/linguist.qdocconf
	tools/qdoc3/test/qmake.qdocconf
	tools/qdoc3/test/qt-build-docs.qdocconf
	tools/qdoc3/test/qt.qdocconf

136 files changed, 704 insertions, 518 deletions

diff --git a/src/network/access/qabstractnetworkcache.cpp b/src/network/access/qabstractnetworkcache.cpp
index bf068ef..f091714 100644
--- a/src/network/access/qabstractnetworkcache.cpp
+++ b/src/network/access/qabstractnetworkcache.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qabstractnetworkcache.h b/src/network/access/qabstractnetworkcache.h
index faab1a8..30d5937 100644
--- a/src/network/access/qabstractnetworkcache.h
+++ b/src/network/access/qabstractnetworkcache.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qabstractnetworkcache_p.h b/src/network/access/qabstractnetworkcache_p.h
index 31906db..ed3cd17 100644
--- a/src/network/access/qabstractnetworkcache_p.h
+++ b/src/network/access/qabstractnetworkcache_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qfilenetworkreply.cpp b/src/network/access/qfilenetworkreply.cpp
index 497519f..8c5065c 100644
--- a/src/network/access/qfilenetworkreply.cpp
+++ b/src/network/access/qfilenetworkreply.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -44,35 +44,32 @@
 #include "QtCore/qdatetime.h"
 #include <QtCore/QCoreApplication>
 #include <QtCore/QFileInfo>
+#include <QDebug>
 
 QT_BEGIN_NAMESPACE
 
 QFileNetworkReplyPrivate::QFileNetworkReplyPrivate()
-    : QNetworkReplyPrivate(), realFileSize(0), finished(false)
+    : QNetworkReplyPrivate(), realFileSize(0)
 {
 }
 
-QFileNetworkReply::QFileNetworkReply(QObject *parent, const QNetworkRequest &req)
+QFileNetworkReply::~QFileNetworkReply()
+{
+}
+
+QFileNetworkReply::QFileNetworkReply(QObject *parent, const QNetworkRequest &req, const QNetworkAccessManager::Operation op)
     : QNetworkReply(*new QFileNetworkReplyPrivate(), parent)
 {
     setRequest(req);
     setUrl(req.url());
-    setOperation(QNetworkAccessManager::GetOperation);
-    QMetaObject::invokeMethod(this, "_q_startOperation", Qt::QueuedConnection);
+    setOperation(op);
     QNetworkReply::open(QIODevice::ReadOnly);
-}
 
-QFileNetworkReply::~QFileNetworkReply()
-{
-}
+    qRegisterMetaType<QNetworkReply::NetworkError>("QNetworkReply::NetworkError");
 
-// This code is mostly inspired by QNetworkAccessFileBackend
-// We also use its translation context for error messages
-void QFileNetworkReplyPrivate::_q_startOperation()
-{
-    Q_Q(QFileNetworkReply);
+    QFileNetworkReplyPrivate *d = (QFileNetworkReplyPrivate*) d_func();
 
-    QUrl url = q->url();
+    QUrl url = req.url();
     if (url.host() == QLatin1String("localhost"))
         url.setHost(QString());
 
@@ -81,81 +78,75 @@ void QFileNetworkReplyPrivate::_q_startOperation()
     if (!url.host().isEmpty()) {
         // we handle only local files
         QString msg = QCoreApplication::translate("QNetworkAccessFileBackend", "Request for opening non-local file %1").arg(url.toString());
-        q->setError(QNetworkReply::ProtocolInvalidOperationError, msg);
-        emit q->error(QNetworkReply::ProtocolInvalidOperationError);
-        doFinished();
+        setError(QNetworkReply::ProtocolInvalidOperationError, msg);
+        QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
+            Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ProtocolInvalidOperationError));
+        QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection);
         return;
     }
 #endif
     if (url.path().isEmpty())
         url.setPath(QLatin1String("/"));
-    q->setUrl(url);
+    setUrl(url);
 
 
     QString fileName = url.toLocalFile();
     if (fileName.isEmpty()) {
         fileName = url.toString(QUrl::RemoveAuthority | QUrl::RemoveFragment | QUrl::RemoveQuery);
     }
-    realFile.setFileName(fileName);
+    d->realFile.setFileName(fileName);
 
-    QFileInfo fi(realFile);
+    QFileInfo fi(d->realFile);
     if (fi.isDir()) {
         QString msg = QCoreApplication::translate("QNetworkAccessFileBackend", "Cannot open %1: Path is a directory").arg(url.toString());
-        q->setError(QNetworkReply::ContentOperationNotPermittedError, msg);
-        emit q->error(QNetworkReply::ContentOperationNotPermittedError);
-        doFinished();
+        setError(QNetworkReply::ContentOperationNotPermittedError, msg);
+        QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
+            Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ContentOperationNotPermittedError));
+        QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection);
         return;
     }
 
-    bool opened = realFile.open(QIODevice::ReadOnly | QIODevice::Unbuffered);
+    bool opened = d->realFile.open(QIODevice::ReadOnly | QIODevice::Unbuffered);
 
     // could we open the file?
     if (!opened) {
         QString msg = QCoreApplication::translate("QNetworkAccessFileBackend", "Error opening %1: %2")
-                      .arg(realFile.fileName(), realFile.errorString());
+                      .arg(d->realFile.fileName(), d->realFile.errorString());
 
-        if (realFile.exists()) {
-            q->setError(QNetworkReply::ContentAccessDenied, msg);
-            emit q->error(QNetworkReply::ContentAccessDenied);
+        if (d->realFile.exists()) {
+            setError(QNetworkReply::ContentAccessDenied, msg);
+            QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
+                Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ContentAccessDenied));
         } else {
-            q->setError(QNetworkReply::ContentNotFoundError, msg);
-            emit q->error(QNetworkReply::ContentNotFoundError);
+            setError(QNetworkReply::ContentNotFoundError, msg);
+            QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
+                Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ContentNotFoundError));
         }
-        doFinished();
+        QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection);
         return;
     }
 
-    realFileSize = fi.size();
-    q->setHeader(QNetworkRequest::LastModifiedHeader, fi.lastModified());
-    q->setHeader(QNetworkRequest::ContentLengthHeader, realFileSize);
+    d->realFileSize = fi.size();
+    setHeader(QNetworkRequest::LastModifiedHeader, fi.lastModified());
+    setHeader(QNetworkRequest::ContentLengthHeader, d->realFileSize);
 
-    emit q->metaDataChanged();
-    emit q->downloadProgress(realFileSize, realFileSize);
-    emit q->readyRead();
-    doFinished();
+    QMetaObject::invokeMethod(this, "metaDataChanged", Qt::QueuedConnection);
+    QMetaObject::invokeMethod(this, "downloadProgress", Qt::QueuedConnection,
+        Q_ARG(qint64, d->realFileSize), Q_ARG(qint64, d->realFileSize));
+    QMetaObject::invokeMethod(this, "readyRead", Qt::QueuedConnection);
+    QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection);
 }
 
 bool QFileNetworkReplyPrivate::isFinished() const
 {
-    return finished;
-}
-
-void QFileNetworkReplyPrivate::doFinished()
-{
-    Q_Q(QFileNetworkReply);
-    finished = true;
-    emit q->finished();
+    return true;
 }
 
-
 void QFileNetworkReply::close()
 {
     Q_D(QFileNetworkReply);
     QNetworkReply::close();
     d->realFile.close();
-
-    if (!d->finished)
-        d->doFinished();
 }
 
 void QFileNetworkReply::abort()
@@ -163,9 +154,6 @@ void QFileNetworkReply::abort()
     Q_D(QFileNetworkReply);
     QNetworkReply::close();
     d->realFile.close();
-
-    if (!d->finished)
-        d->doFinished();
 }
 
 qint64 QFileNetworkReply::bytesAvailable() const
diff --git a/src/network/access/qfilenetworkreply_p.h b/src/network/access/qfilenetworkreply_p.h
index 831f50a..125fa2e 100644
--- a/src/network/access/qfilenetworkreply_p.h
+++ b/src/network/access/qfilenetworkreply_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -66,7 +66,7 @@ class QFileNetworkReply: public QNetworkReply
 {
     Q_OBJECT
 public:
-    QFileNetworkReply(QObject *parent, const QNetworkRequest &req);
+    QFileNetworkReply(QObject *parent, const QNetworkRequest &req, const QNetworkAccessManager::Operation op);
     ~QFileNetworkReply();
     virtual void abort();
 
@@ -76,12 +76,9 @@ public:
     virtual bool isSequential () const;
     qint64 size() const;
 
-
     virtual qint64 readData(char *data, qint64 maxlen);
 
     Q_DECLARE_PRIVATE(QFileNetworkReply)
-    Q_PRIVATE_SLOT(d_func(), void _q_startOperation())
-
 };
 
 class QFileNetworkReplyPrivate: public QNetworkReplyPrivate
@@ -92,12 +89,7 @@ public:
     QFile realFile;
     qint64 realFileSize;
 
-    void _q_startOperation();
-
     virtual bool isFinished() const;
-    void doFinished();
-    bool finished;
-
 
     Q_DECLARE_PUBLIC(QFileNetworkReply)
 };
diff --git a/src/network/access/qftp.cpp b/src/network/access/qftp.cpp
index 6280dd7..efeef4e 100644
--- a/src/network/access/qftp.cpp
+++ b/src/network/access/qftp.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qftp.h b/src/network/access/qftp.h
index af8b4c0..db2177c 100644
--- a/src/network/access/qftp.h
+++ b/src/network/access/qftp.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qhttp.cpp b/src/network/access/qhttp.cpp
index 7365435..13375f8 100644
--- a/src/network/access/qhttp.cpp
+++ b/src/network/access/qhttp.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qhttp.h b/src/network/access/qhttp.h
index f30def2..6bcce65 100644
--- a/src/network/access/qhttp.h
+++ b/src/network/access/qhttp.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qhttpnetworkconnection.cpp b/src/network/access/qhttpnetworkconnection.cpp
index 2dbd512..fff7097 100644
--- a/src/network/access/qhttpnetworkconnection.cpp
+++ b/src/network/access/qhttpnetworkconnection.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -415,14 +415,13 @@ QHttpNetworkReply* QHttpNetworkConnectionPrivate::queueRequest(const QHttpNetwor
         lowPriorityQueue.prepend(pair);
         break;
     }
-    QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
+    // this used to be called via invokeMethod and a QueuedConnection
+    _q_startNextRequest();
     return reply;
 }
 
 void QHttpNetworkConnectionPrivate::requeueRequest(const HttpMessagePair &pair)
 {
-    Q_Q(QHttpNetworkConnection);
-
     QHttpNetworkRequest request = pair.first;
     switch (request.priority()) {
     case QHttpNetworkRequest::HighPriority:
@@ -433,7 +432,8 @@ void QHttpNetworkConnectionPrivate::requeueRequest(const HttpMessagePair &pair)
         lowPriorityQueue.prepend(pair);
         break;
     }
-    QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
+    // this used to be called via invokeMethod and a QueuedConnection
+    _q_startNextRequest();
 }
 
 void QHttpNetworkConnectionPrivate::dequeueAndSendRequest(QAbstractSocket *socket)
@@ -564,7 +564,8 @@ bool QHttpNetworkConnectionPrivate::fillPipeline(QList<HttpMessagePair> &queue,
 }
 
 
-QString QHttpNetworkConnectionPrivate::errorDetail(QNetworkReply::NetworkError errorCode, QAbstractSocket* socket)
+QString QHttpNetworkConnectionPrivate::errorDetail(QNetworkReply::NetworkError errorCode, QAbstractSocket* socket,
+                                                   const QString &extraDetail)
 {
     Q_ASSERT(socket);
 
@@ -581,7 +582,7 @@ QString QHttpNetworkConnectionPrivate::errorDetail(QNetworkReply::NetworkError e
         errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "Connection closed"));
         break;
     case QNetworkReply::TimeoutError:
-        errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "HTTP request failed"));
+        errorString = QLatin1String(QT_TRANSLATE_NOOP("QAbstractSocket", "Socket operation timed out"));
         break;
     case QNetworkReply::ProxyAuthenticationRequiredError:
         errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "Proxy requires authentication"));
@@ -600,7 +601,7 @@ QString QHttpNetworkConnectionPrivate::errorDetail(QNetworkReply::NetworkError e
         break;
     default:
         // all other errors are treated as QNetworkReply::UnknownNetworkError
-        errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "HTTP request failed"));
+        errorString = extraDetail;
         break;
     }
     return errorString;
@@ -691,19 +692,31 @@ void QHttpNetworkConnectionPrivate::_q_startNextRequest()
                 channels[i].sendRequest();
         }
     }
+
+    // dequeue new ones
+
     QAbstractSocket *socket = 0;
     for (int i = 0; i < channelCount; ++i) {
         QAbstractSocket *chSocket = channels[i].socket;
-        // send the request using the idle socket
-        if (!channels[i].isSocketBusy()) {
+        // try to get a free AND connected socket
+        if (!channels[i].isSocketBusy() && channels[i].socket->state() == QAbstractSocket::ConnectedState) {
             socket = chSocket;
+            dequeueAndSendRequest(socket);
             break;
         }
     }
 
-    // this socket is free,
-    if (socket)
-        dequeueAndSendRequest(socket);
+    if (!socket) {
+        for (int i = 0; i < channelCount; ++i) {
+            QAbstractSocket *chSocket = channels[i].socket;
+            // try to get a free unconnected socket
+            if (!channels[i].isSocketBusy()) {
+                socket = chSocket;
+                dequeueAndSendRequest(socket);
+                break;
+            }
+        }
+    }
 
     // try to push more into all sockets
     // ### FIXME we should move this to the beginning of the function
@@ -731,6 +744,16 @@ void QHttpNetworkConnectionPrivate::_q_restartAuthPendingRequests()
     }
 }
 
+void QHttpNetworkConnectionPrivate::readMoreLater(QHttpNetworkReply *reply)
+{
+    for (int i = 0 ; i < channelCount; ++i) {
+        if (channels[i].reply ==  reply) {
+            // emulate a readyRead() from the socket
+            QMetaObject::invokeMethod(&channels[i], "_q_readyRead", Qt::QueuedConnection);
+            return;
+        }
+    }
+}
 
 QHttpNetworkConnection::QHttpNetworkConnection(const QString &hostName, quint16 port, bool encrypt, QObject *parent)
     : QObject(*(new QHttpNetworkConnectionPrivate(hostName, port, encrypt)), parent)
diff --git a/src/network/access/qhttpnetworkconnection_p.h b/src/network/access/qhttpnetworkconnection_p.h
index 480db18..03cf09c 100644
--- a/src/network/access/qhttpnetworkconnection_p.h
+++ b/src/network/access/qhttpnetworkconnection_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -174,6 +174,9 @@ public:
     void fillPipeline(QAbstractSocket *socket);
     bool fillPipeline(QList<HttpMessagePair> &queue, QHttpNetworkConnectionChannel &channel);
 
+    // read more HTTP body after the next event loop spin
+    void readMoreLater(QHttpNetworkReply *reply);
+
     void copyCredentials(int fromChannel, QAuthenticator *auth, bool isProxy);
 
     // private slots
@@ -182,7 +185,8 @@ public:
 
     void createAuthorization(QAbstractSocket *socket, QHttpNetworkRequest &request);
 
-    QString errorDetail(QNetworkReply::NetworkError errorCode, QAbstractSocket *socket);
+    QString errorDetail(QNetworkReply::NetworkError errorCode, QAbstractSocket *socket,
+                        const QString &extraDetail = QString());
 
 #ifndef QT_NO_COMPRESS
     bool expand(QAbstractSocket *socket, QHttpNetworkReply *reply, bool dataComplete);
diff --git a/src/network/access/qhttpnetworkconnectionchannel.cpp b/src/network/access/qhttpnetworkconnectionchannel.cpp
index fa89fcc..b80ae9a 100644
--- a/src/network/access/qhttpnetworkconnectionchannel.cpp
+++ b/src/network/access/qhttpnetworkconnectionchannel.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -166,6 +166,8 @@ bool QHttpNetworkConnectionChannel::sendRequest()
         QByteArray header = QHttpNetworkRequestPrivate::header(request, false);
 #endif
         socket->write(header);
+        // flushing is dangerous (QSslSocket calls transmit which might read or error)
+//        socket->flush();
         QNonContiguousByteDevice* uploadByteDevice = request.uploadByteDevice();
         if (uploadByteDevice) {
             // connect the signals so this function gets called again
@@ -258,7 +260,7 @@ bool QHttpNetworkConnectionChannel::sendRequest()
         // ensure we try to receive a reply in all cases, even if _q_readyRead_ hat not been called
         // this is needed if the sends an reply before we have finished sending the request. In that
         // case receiveReply had been called before but ignored the server reply
-        receiveReply();
+        QMetaObject::invokeMethod(this, "_q_receiveReply", Qt::QueuedConnection);
         break;
     }
     case QHttpNetworkConnectionChannel::ReadingState:
@@ -272,7 +274,7 @@ bool QHttpNetworkConnectionChannel::sendRequest()
 }
 
 
-void QHttpNetworkConnectionChannel::receiveReply()
+void QHttpNetworkConnectionChannel::_q_receiveReply()
 {
     Q_ASSERT(socket);
 
@@ -324,43 +326,56 @@ void QHttpNetworkConnectionChannel::receiveReply()
             lastStatus = reply->d_func()->statusCode;
             break;
         }
-        case QHttpNetworkReplyPrivate::ReadingHeaderState:
-            bytes += reply->d_func()->readHeader(socket);
-            if (reply->d_func()->state == QHttpNetworkReplyPrivate::ReadingDataState) {
-                if (reply->d_func()->isGzipped() && reply->d_func()->autoDecompress) {
+        case QHttpNetworkReplyPrivate::ReadingHeaderState: {
+            QHttpNetworkReplyPrivate *replyPrivate = reply->d_func();
+            bytes += replyPrivate->readHeader(socket);
+            if (replyPrivate->state == QHttpNetworkReplyPrivate::ReadingDataState) {
+                if (replyPrivate->isGzipped() && replyPrivate->autoDecompress) {
                     // remove the Content-Length from header
-                    reply->d_func()->removeAutoDecompressHeader();
+                    replyPrivate->removeAutoDecompressHeader();
                 } else {
-                    reply->d_func()->autoDecompress = false;
+                    replyPrivate->autoDecompress = false;
                 }
-                if (reply && reply->d_func()->statusCode == 100) {
-                    reply->d_func()->state = QHttpNetworkReplyPrivate::ReadingStatusState;
+                if (replyPrivate->statusCode == 100) {
+                    replyPrivate->state = QHttpNetworkReplyPrivate::ReadingStatusState;
                     break; // ignore
                 }
-                if (reply->d_func()->shouldEmitSignals())
+                if (replyPrivate->shouldEmitSignals())
                     emit reply->headerChanged();
-                if (!reply->d_func()->expectContent()) {
-                    reply->d_func()->state = QHttpNetworkReplyPrivate::AllDoneState;
+                if (!replyPrivate->expectContent()) {
+                    replyPrivate->state = QHttpNetworkReplyPrivate::AllDoneState;
                     this->state = QHttpNetworkConnectionChannel::IdleState;
                     allDone();
                     return;
                 }
             }
             break;
+        }
         case QHttpNetworkReplyPrivate::ReadingDataState: {
-            if (!reply->d_func()->isChunked() && !reply->d_func()->autoDecompress
-                && reply->d_func()->bodyLength > 0) {
+           QHttpNetworkReplyPrivate *replyPrivate = reply->d_func();
+           if (replyPrivate->downstreamLimited && !replyPrivate->responseData.isEmpty() && replyPrivate->shouldEmitSignals()) {
+               // We already have some HTTP body data. We don't read more from the socket until
+               // this is fetched by QHttpNetworkAccessHttpBackend. If we would read more,
+               // we could not limit our read buffer usage.
+               // We only do this when shouldEmitSignals==true because our HTTP parsing
+               // always needs to parse the 401/407 replies. Therefore they don't really obey
+               // to the read buffer maximum size, but we don't care since they should be small.
+               return;
+           }
+
+            if (!replyPrivate->isChunked() && !replyPrivate->autoDecompress
+                && replyPrivate->bodyLength > 0) {
                 // bulk files like images should fulfill these properties and
                 // we can therefore save on memory copying
-                bytes = reply->d_func()->readBodyFast(socket, &reply->d_func()->responseData);
-                reply->d_func()->totalProgress += bytes;
-                if (reply->d_func()->shouldEmitSignals()) {
+                bytes = replyPrivate->readBodyFast(socket, &replyPrivate->responseData);
+                replyPrivate->totalProgress += bytes;
+                if (replyPrivate->shouldEmitSignals()) {
                     QPointer<QHttpNetworkReply> replyPointer = reply;
                     emit reply->readyRead();
                     // make sure that the reply is valid
                     if (replyPointer.isNull())
                         return;
-                    emit reply->dataReadProgress(reply->d_func()->totalProgress, reply->d_func()->bodyLength);
+                    emit reply->dataReadProgress(replyPrivate->totalProgress, replyPrivate->bodyLength);
                     // make sure that the reply is valid
                     if (replyPointer.isNull())
                         return;
@@ -371,16 +386,16 @@ void QHttpNetworkConnectionChannel::receiveReply()
                 // use the traditional slower reading (for compressed encoding, chunked encoding,
                 // no content-length etc)
                 QByteDataBuffer byteDatas;
-                bytes = reply->d_func()->readBody(socket, &byteDatas);
+                bytes = replyPrivate->readBody(socket, &byteDatas);
                 if (bytes) {
-                    if (reply->d_func()->autoDecompress)
-                        reply->d_func()->appendCompressedReplyData(byteDatas);
+                    if (replyPrivate->autoDecompress)
+                        replyPrivate->appendCompressedReplyData(byteDatas);
                     else
-                        reply->d_func()->appendUncompressedReplyData(byteDatas);
+                        replyPrivate->appendUncompressedReplyData(byteDatas);
 
-                    if (!reply->d_func()->autoDecompress) {
-                        reply->d_func()->totalProgress += bytes;
-                        if (reply->d_func()->shouldEmitSignals()) {
+                    if (!replyPrivate->autoDecompress) {
+                        replyPrivate->totalProgress += bytes;
+                        if (replyPrivate->shouldEmitSignals()) {
                             QPointer<QHttpNetworkReply> replyPointer = reply;
                             // important: At the point of this readyRead(), the byteDatas list must be empty,
                             // else implicit sharing will trigger memcpy when the user is reading data!
@@ -388,7 +403,7 @@ void QHttpNetworkConnectionChannel::receiveReply()
                             // make sure that the reply is valid
                             if (replyPointer.isNull())
                                 return;
-                            emit reply->dataReadProgress(reply->d_func()->totalProgress, reply->d_func()->bodyLength);
+                            emit reply->dataReadProgress(replyPrivate->totalProgress, replyPrivate->bodyLength);
                             // make sure that the reply is valid
                            if (replyPointer.isNull())
                                 return;
@@ -401,7 +416,7 @@ void QHttpNetworkConnectionChannel::receiveReply()
 #endif
                 }
             }
-            if (reply->d_func()->state == QHttpNetworkReplyPrivate::ReadingDataState)
+            if (replyPrivate->state == QHttpNetworkReplyPrivate::ReadingDataState)
                 break;
             // everything done, fall through
             }
@@ -417,15 +432,24 @@ void QHttpNetworkConnectionChannel::receiveReply()
 
 bool QHttpNetworkConnectionChannel::ensureConnection()
 {
+    QAbstractSocket::SocketState socketState = socket->state();
+
+    // resend this request after we receive the disconnected signal
+    if (socketState == QAbstractSocket::ClosingState) {
+        resendCurrent = true;
+        return false;
+    }
+
+    // already trying to connect?
+    if (socketState == QAbstractSocket::HostLookupState ||
+        socketState == QAbstractSocket::ConnectingState) {
+        return false;
+    }
+
     // make sure that this socket is in a connected state, if not initiate
     // connection to the host.
-    if (socket->state() != QAbstractSocket::ConnectedState) {
+    if (socketState != QAbstractSocket::ConnectedState) {
         // connect to the host if not already connected.
-        // resend this request after we receive the disconnected signal
-        if (socket->state() == QAbstractSocket::ClosingState) {
-            resendCurrent = true;
-            return false;
-        }
         state = QHttpNetworkConnectionChannel::ConnectingState;
         pendingEncrypt = connection->d_func()->encrypt;
 
@@ -567,7 +591,7 @@ void QHttpNetworkConnectionChannel::allDone()
             connection->d_func()->fillPipeline(socket);
 
             // continue reading
-            receiveReply();
+            _q_receiveReply();
         }
     } else if (alreadyPipelinedRequests.isEmpty() && socket->bytesAvailable() > 0) {
         eatWhitespace();
@@ -616,10 +640,17 @@ void QHttpNetworkConnectionChannel::requeueCurrentlyPipelinedRequests()
 void QHttpNetworkConnectionChannel::eatWhitespace()
 {
     char c;
-    while (socket->bytesAvailable()) {
-        if (socket->peek(&c, 1) != 1)
+    do {
+        qint64 ret = socket->peek(&c, 1);
+
+        // nothing read, fine.
+        if (ret == 0)
             return;
 
+        // EOF from socket?
+        if (ret == -1)
+            return; // FIXME, we need to stop processing. however the next stuff done will also do that.
+
         // read all whitespace and line endings
         if (c == 11 || c == '\n' || c == '\r' || c == ' ' || c == 31) {
             socket->read(&c, 1);
@@ -627,7 +658,7 @@ void QHttpNetworkConnectionChannel::eatWhitespace()
         } else {
             break;
         }
-    }
+    } while(true);
 }
 
 void QHttpNetworkConnectionChannel::handleStatus()
@@ -739,7 +770,7 @@ void QHttpNetworkConnectionChannel::_q_readyRead()
     if (isSocketWaiting() || isSocketReading()) {
         state = QHttpNetworkConnectionChannel::ReadingState;
         if (reply)
-            receiveReply();
+            _q_receiveReply();
     }
 }
 
@@ -758,7 +789,7 @@ void QHttpNetworkConnectionChannel::_q_disconnected()
     if (isSocketWaiting() || isSocketReading()) {
         state = QHttpNetworkConnectionChannel::ReadingState;
         if (reply)
-            receiveReply();
+            _q_receiveReply();
     } else if (state == QHttpNetworkConnectionChannel::IdleState && resendCurrent) {
         // re-sending request because the socket was in ClosingState
         QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
@@ -841,7 +872,7 @@ void QHttpNetworkConnectionChannel::_q_error(QAbstractSocket::SocketError socket
         break;
     }
     QPointer<QObject> that = connection;
-    QString errorString = connection->d_func()->errorDetail(errorCode, socket);
+    QString errorString = connection->d_func()->errorDetail(errorCode, socket, socket->errorString());
     if (send2Reply) {
         if (reply) {
             reply->d_func()->errorString = errorString;
diff --git a/src/network/access/qhttpnetworkconnectionchannel_p.h b/src/network/access/qhttpnetworkconnectionchannel_p.h
index 127a431..c30c236 100644
--- a/src/network/access/qhttpnetworkconnectionchannel_p.h
+++ b/src/network/access/qhttpnetworkconnectionchannel_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -144,7 +144,6 @@ public:
     void close();
 
     bool sendRequest();
-    void receiveReply();
 
     bool ensureConnection();
 
@@ -166,6 +165,7 @@ public:
     bool isSocketReading() const;
 
     protected slots:
+    void _q_receiveReply();
     void _q_bytesWritten(qint64 bytes); // proceed sending
     void _q_readyRead(); // pending data to read
     void _q_disconnected(); // disconnected from host
diff --git a/src/network/access/qhttpnetworkheader.cpp b/src/network/access/qhttpnetworkheader.cpp
index e9866ca..c2cc69c 100644
--- a/src/network/access/qhttpnetworkheader.cpp
+++ b/src/network/access/qhttpnetworkheader.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qhttpnetworkheader_p.h b/src/network/access/qhttpnetworkheader_p.h
index 9dae42e..9068f85 100644
--- a/src/network/access/qhttpnetworkheader_p.h
+++ b/src/network/access/qhttpnetworkheader_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qhttpnetworkreply.cpp b/src/network/access/qhttpnetworkreply.cpp
index 2b0c252..a5223d1 100644
--- a/src/network/access/qhttpnetworkreply.cpp
+++ b/src/network/access/qhttpnetworkreply.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -179,9 +179,19 @@ qint64 QHttpNetworkReply::bytesAvailableNextBlock() const
 QByteArray QHttpNetworkReply::readAny()
 {
     Q_D(QHttpNetworkReply);
+    // we'll take the last buffer, so schedule another read from http
+    if (d->downstreamLimited && d->responseData.bufferCount() == 1)
+        d->connection->d_func()->readMoreLater(this);
     return d->responseData.read();
 }
 
+void QHttpNetworkReply::setDownstreamLimited(bool dsl)
+{
+    Q_D(QHttpNetworkReply);
+    d->downstreamLimited = dsl;
+    d->connection->d_func()->readMoreLater(this);
+}
+
 bool QHttpNetworkReply::isFinished() const
 {
     return d_func()->state == QHttpNetworkReplyPrivate::AllDoneState;
@@ -201,7 +211,7 @@ QHttpNetworkReplyPrivate::QHttpNetworkReplyPrivate(const QUrl &newUrl)
       forceConnectionCloseEnabled(false),
       currentChunkSize(0), currentChunkRead(0), connection(0), initInflate(false),
       autoDecompress(false), responseData(), requestIsPrepared(false)
-      ,pipeliningUsed(false)
+      ,pipeliningUsed(false), downstreamLimited(false)
 {
 }
 
diff --git a/src/network/access/qhttpnetworkreply_p.h b/src/network/access/qhttpnetworkreply_p.h
index 1073560..af9266b 100644
--- a/src/network/access/qhttpnetworkreply_p.h
+++ b/src/network/access/qhttpnetworkreply_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -125,6 +125,7 @@ public:
     qint64 bytesAvailable() const;
     qint64 bytesAvailableNextBlock() const;
     QByteArray readAny();
+    void setDownstreamLimited(bool t);
 
     bool isFinished() const;
 
@@ -229,6 +230,7 @@ public:
     bool requestIsPrepared;
 
     bool pipeliningUsed;
+    bool downstreamLimited;
 };
 
 
diff --git a/src/network/access/qhttpnetworkrequest.cpp b/src/network/access/qhttpnetworkrequest.cpp
index eacb315..8cdfe6a 100644
--- a/src/network/access/qhttpnetworkrequest.cpp
+++ b/src/network/access/qhttpnetworkrequest.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qhttpnetworkrequest_p.h b/src/network/access/qhttpnetworkrequest_p.h
index be72555..dad118e 100644
--- a/src/network/access/qhttpnetworkrequest_p.h
+++ b/src/network/access/qhttpnetworkrequest_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccessbackend.cpp b/src/network/access/qnetworkaccessbackend.cpp
index 3e2db7a..8ac64d2 100644
--- a/src/network/access/qnetworkaccessbackend.cpp
+++ b/src/network/access/qnetworkaccessbackend.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -161,6 +161,12 @@ void QNetworkAccessBackend::downstreamReadyWrite()
     // do nothing
 }
 
+void QNetworkAccessBackend::setDownstreamLimited(bool b)
+{
+    Q_UNUSED(b);
+    // do nothing
+}
+
 void QNetworkAccessBackend::copyFinished(QIODevice *)
 {
     // do nothing
diff --git a/src/network/access/qnetworkaccessbackend_p.h b/src/network/access/qnetworkaccessbackend_p.h
index a5179cc..43d993c 100644
--- a/src/network/access/qnetworkaccessbackend_p.h
+++ b/src/network/access/qnetworkaccessbackend_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -116,6 +116,7 @@ public:
 
     // slot-like:
     virtual void downstreamReadyWrite();
+    virtual void setDownstreamLimited(bool b);
     virtual void copyFinished(QIODevice *);
     virtual void ignoreSslErrors();
     virtual void ignoreSslErrors(const QList<QSslError> &errors);
diff --git a/src/network/access/qnetworkaccesscache.cpp b/src/network/access/qnetworkaccesscache.cpp
index 7f63f9a..4f699a1 100644
--- a/src/network/access/qnetworkaccesscache.cpp
+++ b/src/network/access/qnetworkaccesscache.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccesscache_p.h b/src/network/access/qnetworkaccesscache_p.h
index 8e8d8ac..1564e11 100644
--- a/src/network/access/qnetworkaccesscache_p.h
+++ b/src/network/access/qnetworkaccesscache_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccesscachebackend.cpp b/src/network/access/qnetworkaccesscachebackend.cpp
index 13d8b94..73491a9 100644
--- a/src/network/access/qnetworkaccesscachebackend.cpp
+++ b/src/network/access/qnetworkaccesscachebackend.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccesscachebackend_p.h b/src/network/access/qnetworkaccesscachebackend_p.h
index 3e3b5ea..df001ab 100644
--- a/src/network/access/qnetworkaccesscachebackend_p.h
+++ b/src/network/access/qnetworkaccesscachebackend_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccessdatabackend.cpp b/src/network/access/qnetworkaccessdatabackend.cpp
index feec5b6..52c554f 100644
--- a/src/network/access/qnetworkaccessdatabackend.cpp
+++ b/src/network/access/qnetworkaccessdatabackend.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccessdatabackend_p.h b/src/network/access/qnetworkaccessdatabackend_p.h
index ba97241..a7c63d5 100644
--- a/src/network/access/qnetworkaccessdatabackend_p.h
+++ b/src/network/access/qnetworkaccessdatabackend_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccessdebugpipebackend.cpp b/src/network/access/qnetworkaccessdebugpipebackend.cpp
index fecbe83..5926d0b 100644
--- a/src/network/access/qnetworkaccessdebugpipebackend.cpp
+++ b/src/network/access/qnetworkaccessdebugpipebackend.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccessdebugpipebackend_p.h b/src/network/access/qnetworkaccessdebugpipebackend_p.h
index e6771c3..58a4fd0 100644
--- a/src/network/access/qnetworkaccessdebugpipebackend_p.h
+++ b/src/network/access/qnetworkaccessdebugpipebackend_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccessfilebackend.cpp b/src/network/access/qnetworkaccessfilebackend.cpp
index 7e2d9d1..4560153 100644
--- a/src/network/access/qnetworkaccessfilebackend.cpp
+++ b/src/network/access/qnetworkaccessfilebackend.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccessfilebackend_p.h b/src/network/access/qnetworkaccessfilebackend_p.h
index 89054ba..6df8710 100644
--- a/src/network/access/qnetworkaccessfilebackend_p.h
+++ b/src/network/access/qnetworkaccessfilebackend_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccessftpbackend.cpp b/src/network/access/qnetworkaccessftpbackend.cpp
index 094110f..1a59011 100644
--- a/src/network/access/qnetworkaccessftpbackend.cpp
+++ b/src/network/access/qnetworkaccessftpbackend.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccessftpbackend_p.h b/src/network/access/qnetworkaccessftpbackend_p.h
index 05460bd..737fa72 100644
--- a/src/network/access/qnetworkaccessftpbackend_p.h
+++ b/src/network/access/qnetworkaccessftpbackend_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccesshttpbackend.cpp b/src/network/access/qnetworkaccesshttpbackend.cpp
index 91f9189..58123b2 100644
--- a/src/network/access/qnetworkaccesshttpbackend.cpp
+++ b/src/network/access/qnetworkaccesshttpbackend.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -144,7 +144,7 @@ static QHash<QByteArray, QByteArray> parseHttpOptionHeader(const QByteArray &hea
         QByteArray key = QByteArray(header.constData() + pos, end - pos).trimmed().toLower();
         pos = end + 1;
 
-        if (equal != -1) {
+        if (uint(equal) < uint(comma)) {
             // case: token "=" (token | quoted-string)
             // skip spaces
             pos = nextNonWhitespace(header, pos);
@@ -393,13 +393,19 @@ void QNetworkAccessHttpBackend::validateCache(QHttpNetworkRequest &httpRequest,
     if (lastModified.isValid())
         httpRequest.setHeaderField("If-Modified-Since", QNetworkHeadersPrivate::toHttpDate(lastModified));
 
-    it = cacheHeaders.findRawHeader("Cache-Control");
-    if (it != cacheHeaders.rawHeaders.constEnd()) {
-        QHash<QByteArray, QByteArray> cacheControl = parseHttpOptionHeader(it->second);
-        if (cacheControl.contains("must-revalidate"))
-            return;
+    if (CacheLoadControlAttribute == QNetworkRequest::PreferNetwork) {
+        it = cacheHeaders.findRawHeader("Cache-Control");
+        if (it != cacheHeaders.rawHeaders.constEnd()) {
+            QHash<QByteArray, QByteArray> cacheControl = parseHttpOptionHeader(it->second);
+            if (cacheControl.contains("must-revalidate"))
+                return;
+        }
     }
 
+    QDateTime currentDateTime = QDateTime::currentDateTime();
+    QDateTime expirationDate = metaData.expirationDate();
+
+#if 0
     /*
      * age_value
      *      is the value of Age: header received by the cache with
@@ -415,21 +421,24 @@ void QNetworkAccessHttpBackend::validateCache(QHttpNetworkRequest &httpRequest,
      * now
      *      is the current (local) time
      */
-    QDateTime currentDateTime = QDateTime::currentDateTime();
     int age_value = 0;
     it = cacheHeaders.findRawHeader("age");
     if (it != cacheHeaders.rawHeaders.constEnd())
-        age_value = QNetworkHeadersPrivate::fromHttpDate(it->second).toTime_t();
+        age_value = it->second.toInt();
 
+    QDateTime dateHeader;
     int date_value = 0;
     it = cacheHeaders.findRawHeader("date");
-    if (it != cacheHeaders.rawHeaders.constEnd())
-        date_value = QNetworkHeadersPrivate::fromHttpDate(it->second).toTime_t();
+    if (it != cacheHeaders.rawHeaders.constEnd()) {
+        dateHeader = QNetworkHeadersPrivate::fromHttpDate(it->second);
+        date_value = dateHeader.toTime_t();
+    }
 
     int now = currentDateTime.toUTC().toTime_t();
     int request_time = now;
     int response_time = now;
 
+    // Algorithm from RFC 2616 section 13.2.3
     int apparent_age = qMax(0, response_time - date_value);
     int corrected_received_age = qMax(apparent_age, age_value);
     int response_delay = response_time - request_time;
@@ -438,7 +447,6 @@ void QNetworkAccessHttpBackend::validateCache(QHttpNetworkRequest &httpRequest,
     int current_age   = corrected_initial_age + resident_time;
 
     // RFC 2616 13.2.4 Expiration Calculations
-    QDateTime expirationDate = metaData.expirationDate();
     if (!expirationDate.isValid()) {
         if (lastModified.isValid()) {
             int diff = currentDateTime.secsTo(lastModified);
@@ -453,10 +461,15 @@ void QNetworkAccessHttpBackend::validateCache(QHttpNetworkRequest &httpRequest,
         }
     }
 
-    int freshness_lifetime = currentDateTime.secsTo(expirationDate);
+    // the cache-saving code below sets the expirationDate with date+max_age
+    // if "max-age" is present, or to Expires otherwise
+    int freshness_lifetime = dateHeader.secsTo(expirationDate);
     bool response_is_fresh = (freshness_lifetime > current_age);
+#else
+    bool response_is_fresh = currentDateTime.secsTo(expirationDate) >= 0;
+#endif
 
-    if (!response_is_fresh && CacheLoadControlAttribute == QNetworkRequest::PreferNetwork)
+    if (!response_is_fresh)
         return;
 
     loadedFromCache = true;
@@ -581,9 +594,10 @@ void QNetworkAccessHttpBackend::open()
     if (transparentProxy.type() == QNetworkProxy::DefaultProxy &&
         cacheProxy.type() == QNetworkProxy::DefaultProxy) {
         // unsuitable proxies
-        error(QNetworkReply::ProxyNotFoundError,
-              tr("No suitable proxy found"));
-        finished();
+        QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
+                                  Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ProxyNotFoundError),
+                                  Q_ARG(QString, tr("No suitable proxy found")));
+        QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection);
         return;
     }
 #endif
@@ -643,6 +657,12 @@ void QNetworkAccessHttpBackend::downstreamReadyWrite()
         replyFinished();
 }
 
+void QNetworkAccessHttpBackend::setDownstreamLimited(bool b)
+{
+    if (httpReply)
+        httpReply->setDownstreamLimited(b);
+}
+
 void QNetworkAccessHttpBackend::replyReadyRead()
 {
     readFromHttp();
diff --git a/src/network/access/qnetworkaccesshttpbackend_p.h b/src/network/access/qnetworkaccesshttpbackend_p.h
index 55aadac..0eaf003 100644
--- a/src/network/access/qnetworkaccesshttpbackend_p.h
+++ b/src/network/access/qnetworkaccesshttpbackend_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -82,6 +82,8 @@ public:
     virtual bool waitForDownstreamReadyRead(int msecs);
 
     virtual void downstreamReadyWrite();
+    virtual void setDownstreamLimited(bool b);
+
     virtual void copyFinished(QIODevice *);
 #ifndef QT_NO_OPENSSL
     virtual void ignoreSslErrors();
@@ -104,6 +106,7 @@ private slots:
     void httpAuthenticationRequired(const QHttpNetworkRequest &request, QAuthenticator *auth);
     void httpError(QNetworkReply::NetworkError error, const QString &errorString);
     bool sendCacheContents(const QNetworkCacheMetaData &metaData);
+    void finished(); // override
 
 private:
     QHttpNetworkReply *httpReply;
@@ -118,7 +121,6 @@ private:
 #endif
 
     void disconnectFromHttp();
-    void finished();            // override
     void setupConnection();
     void validateCache(QHttpNetworkRequest &httpRequest, bool &loadedFromCache);
     void invalidateCache();
diff --git a/src/network/access/qnetworkaccessmanager.cpp b/src/network/access/qnetworkaccessmanager.cpp
index 754633d..e16aedc 100644
--- a/src/network/access/qnetworkaccessmanager.cpp
+++ b/src/network/access/qnetworkaccessmanager.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -687,10 +687,10 @@ QNetworkReply *QNetworkAccessManager::createRequest(QNetworkAccessManager::Opera
     // Also if the scheme is empty we consider it a file.
     // The QNetworkAccessFileBackend will right now only be used
     // for PUT or qrc://
-    if (op == QNetworkAccessManager::GetOperation
+    if ((op == QNetworkAccessManager::GetOperation || op == QNetworkAccessManager::HeadOperation)
          && (req.url().scheme() == QLatin1String("file")
              || req.url().scheme().isEmpty())) {
-        return new QFileNetworkReply(this, req);
+        return new QFileNetworkReply(this, req, op);
     }
 
     QNetworkRequest request = req;
@@ -723,8 +723,6 @@ QNetworkReply *QNetworkAccessManager::createRequest(QNetworkAccessManager::Opera
     // third step: find a backend
     priv->backend = d->findBackend(op, request);
 
-    // fourth step: setup the reply
-    priv->setup(op, request, outgoingData);
 #ifndef QT_NO_NETWORKPROXY
     QList<QNetworkProxy> proxyList = d->queryProxy(QNetworkProxyQuery(request.url()));
     priv->proxyList = proxyList;
@@ -733,6 +731,8 @@ QNetworkReply *QNetworkAccessManager::createRequest(QNetworkAccessManager::Opera
         priv->backend->setParent(reply);
         priv->backend->reply = priv;
     }
+    // fourth step: setup the reply
+    priv->setup(op, request, outgoingData);
 
 #ifndef QT_NO_OPENSSL
     reply->setSslConfiguration(request.sslConfiguration());
diff --git a/src/network/access/qnetworkaccessmanager.h b/src/network/access/qnetworkaccessmanager.h
index d4d5f54..d2fe527 100644
--- a/src/network/access/qnetworkaccessmanager.h
+++ b/src/network/access/qnetworkaccessmanager.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkaccessmanager_p.h b/src/network/access/qnetworkaccessmanager_p.h
index 3bd83c4..1749373 100644
--- a/src/network/access/qnetworkaccessmanager_p.h
+++ b/src/network/access/qnetworkaccessmanager_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkcookie.cpp b/src/network/access/qnetworkcookie.cpp
index 7dfb7af..865d338 100644
--- a/src/network/access/qnetworkcookie.cpp
+++ b/src/network/access/qnetworkcookie.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkcookie.h b/src/network/access/qnetworkcookie.h
index 4a49d39..f34396f 100644
--- a/src/network/access/qnetworkcookie.h
+++ b/src/network/access/qnetworkcookie.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkcookie_p.h b/src/network/access/qnetworkcookie_p.h
index ffea34b..a65013c 100644
--- a/src/network/access/qnetworkcookie_p.h
+++ b/src/network/access/qnetworkcookie_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkcookiejar.cpp b/src/network/access/qnetworkcookiejar.cpp
index f826115..8727095 100644
--- a/src/network/access/qnetworkcookiejar.cpp
+++ b/src/network/access/qnetworkcookiejar.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkcookiejar.h b/src/network/access/qnetworkcookiejar.h
index 168ccae..813bf3e 100644
--- a/src/network/access/qnetworkcookiejar.h
+++ b/src/network/access/qnetworkcookiejar.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkcookiejar_p.h b/src/network/access/qnetworkcookiejar_p.h
index b21a8ce..5802115 100644
--- a/src/network/access/qnetworkcookiejar_p.h
+++ b/src/network/access/qnetworkcookiejar_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkdiskcache.cpp b/src/network/access/qnetworkdiskcache.cpp
index 596beb6..ec6817a 100644
--- a/src/network/access/qnetworkdiskcache.cpp
+++ b/src/network/access/qnetworkdiskcache.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkdiskcache.h b/src/network/access/qnetworkdiskcache.h
index f52e24b..0b6cf1b 100644
--- a/src/network/access/qnetworkdiskcache.h
+++ b/src/network/access/qnetworkdiskcache.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkdiskcache_p.h b/src/network/access/qnetworkdiskcache_p.h
index 0f3d6d2..ad46602 100644
--- a/src/network/access/qnetworkdiskcache_p.h
+++ b/src/network/access/qnetworkdiskcache_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkreply.cpp b/src/network/access/qnetworkreply.cpp
index 0792cea..be4339c 100644
--- a/src/network/access/qnetworkreply.cpp
+++ b/src/network/access/qnetworkreply.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -171,7 +171,7 @@ QNetworkReplyPrivate::QNetworkReplyPrivate()
     \value UnknownProxyError            an unknown proxy-related error
     was detected
 
-    \value UnknownContentError          an unknonwn error related to
+    \value UnknownContentError          an unknown error related to
     the remote content was detected
 
     \value ProtocolFailure              a breakdown in protocol was
@@ -239,7 +239,10 @@ QNetworkReplyPrivate::QNetworkReplyPrivate()
     \note Do not delete the object in the slot connected to this
     signal. Use deleteLater().
 
-    \sa QNetworkAccessManager::finished()
+    You can also use isFinished() to check if a QNetworkReply
+    has finished even before you receive the finished() signal.
+
+    \sa QNetworkAccessManager::finished(), isFinished()
 */
 
 /*!
diff --git a/src/network/access/qnetworkreply.h b/src/network/access/qnetworkreply.h
index 82086c4..5db4985 100644
--- a/src/network/access/qnetworkreply.h
+++ b/src/network/access/qnetworkreply.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkreply_p.h b/src/network/access/qnetworkreply_p.h
index 50b3213..d7b8ab0 100644
--- a/src/network/access/qnetworkreply_p.h
+++ b/src/network/access/qnetworkreply_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkreplyimpl.cpp b/src/network/access/qnetworkreplyimpl.cpp
index c20812e..59c7d76 100644
--- a/src/network/access/qnetworkreplyimpl.cpp
+++ b/src/network/access/qnetworkreplyimpl.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -72,6 +72,9 @@ void QNetworkReplyImplPrivate::_q_startOperation()
     }
     state = Working;
 
+    // note: if that method is called directly, it cannot happen that the backend is 0,
+    // because we just checked via a qobject_cast that we got a http backend (see
+    // QNetworkReplyImplPrivate::setup())
     if (!backend) {
         error(QNetworkReplyImpl::ProtocolUnknownError,
               QCoreApplication::translate("QNetworkReply", "Protocol \"%1\" is unknown").arg(url.scheme())); // not really true!;
@@ -203,7 +206,6 @@ void QNetworkReplyImplPrivate::_q_bufferOutgoingData()
     }
 }
 
-
 void QNetworkReplyImplPrivate::setup(QNetworkAccessManager::Operation op, const QNetworkRequest &req,
                                      QIODevice *data)
 {
@@ -246,7 +248,14 @@ void QNetworkReplyImplPrivate::setup(QNetworkAccessManager::Operation op, const
         // No outgoing data (e.g. HTTP GET request)
         // or no backend
         // if no backend, _q_startOperation will handle the error of this
-        QMetaObject::invokeMethod(q, "_q_startOperation", Qt::QueuedConnection);
+
+        // for HTTP, we want to send out the request as fast as possible to the network, without
+        // invoking methods in a QueuedConnection
+        if (qobject_cast<QNetworkAccessHttpBackend *>(backend)) {
+            _q_startOperation();
+        } else {
+            QMetaObject::invokeMethod(q, "_q_startOperation", Qt::QueuedConnection);
+        }
     }
 
     q->QIODevice::open(QIODevice::ReadOnly);
@@ -273,7 +282,7 @@ void QNetworkReplyImplPrivate::handleNotifications()
     if (state != Working)
         return;
 
-    while (!current.isEmpty()) {
+    while (state == Working && !current.isEmpty()) {
         InternalNotifications notification = current.dequeue();
         switch (notification) {
         case NotifyDownstreamReadyWrite:
@@ -580,7 +589,7 @@ QNetworkReplyImpl::~QNetworkReplyImpl()
 void QNetworkReplyImpl::abort()
 {
     Q_D(QNetworkReplyImpl);
-    if (d->state == QNetworkReplyImplPrivate::Aborted)
+    if (d->state == QNetworkReplyImplPrivate::Finished || d->state == QNetworkReplyImplPrivate::Aborted)
         return;
 
     // stop both upload and download
@@ -643,6 +652,9 @@ void QNetworkReplyImpl::setReadBufferSize(qint64 size)
         d->backendNotify(QNetworkReplyImplPrivate::NotifyDownstreamReadyWrite);
 
     QNetworkReply::setReadBufferSize(size);
+
+    if (d->backend)
+        d->backend->setDownstreamLimited(d->readBufferMaxSize > 0);
 }
 
 #ifndef QT_NO_OPENSSL
diff --git a/src/network/access/qnetworkreplyimpl_p.h b/src/network/access/qnetworkreplyimpl_p.h
index 64c52e4..168e5cf 100644
--- a/src/network/access/qnetworkreplyimpl_p.h
+++ b/src/network/access/qnetworkreplyimpl_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkrequest.cpp b/src/network/access/qnetworkrequest.cpp
index c91c608..6dcd05d 100644
--- a/src/network/access/qnetworkrequest.cpp
+++ b/src/network/access/qnetworkrequest.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -49,6 +49,9 @@
 #include "QtCore/qdatetime.h"
 
 #include <ctype.h>
+#ifndef QT_NO_DATESTRING
+# include <stdio.h>
+#endif
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/network/access/qnetworkrequest.h b/src/network/access/qnetworkrequest.h
index 62c6dda..fe01f8c 100644
--- a/src/network/access/qnetworkrequest.h
+++ b/src/network/access/qnetworkrequest.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/access/qnetworkrequest_p.h b/src/network/access/qnetworkrequest_p.h
index 9b3632f..dcb3f97 100644
--- a/src/network/access/qnetworkrequest_p.h
+++ b/src/network/access/qnetworkrequest_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qauthenticator.cpp b/src/network/kernel/qauthenticator.cpp
index 492478c..193a043 100644
--- a/src/network/kernel/qauthenticator.cpp
+++ b/src/network/kernel/qauthenticator.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qauthenticator.h b/src/network/kernel/qauthenticator.h
index 6b47a7d..13ce593 100644
--- a/src/network/kernel/qauthenticator.h
+++ b/src/network/kernel/qauthenticator.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qauthenticator_p.h b/src/network/kernel/qauthenticator_p.h
index dc8499c..e9ce9ac 100644
--- a/src/network/kernel/qauthenticator_p.h
+++ b/src/network/kernel/qauthenticator_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qhostaddress.cpp b/src/network/kernel/qhostaddress.cpp
index 0e5cd1e..2852d30 100644
--- a/src/network/kernel/qhostaddress.cpp
+++ b/src/network/kernel/qhostaddress.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qhostaddress.h b/src/network/kernel/qhostaddress.h
index 3ed974e..57d78e5 100644
--- a/src/network/kernel/qhostaddress.h
+++ b/src/network/kernel/qhostaddress.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qhostaddress_p.h b/src/network/kernel/qhostaddress_p.h
index ee4e46a..30d8092 100644
--- a/src/network/kernel/qhostaddress_p.h
+++ b/src/network/kernel/qhostaddress_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qhostinfo.cpp b/src/network/kernel/qhostinfo.cpp
index 98a39cd..9de499e 100644
--- a/src/network/kernel/qhostinfo.cpp
+++ b/src/network/kernel/qhostinfo.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -60,11 +60,9 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_GLOBAL_STATIC(QHostInfoAgent, theAgent)
-void QHostInfoAgent::staticCleanup()
-{
-    theAgent()->cleanup();
-}
+#ifndef QT_NO_THREAD
+Q_GLOBAL_STATIC(QHostInfoLookupManager, theHostInfoLookupManager)
+#endif
 
 //#define QHOSTINFO_DEBUG
 
@@ -143,6 +141,9 @@ static QBasicAtomicInt theIdCounter = Q_BASIC_ATOMIC_INITIALIZER(1);
 
     \snippet doc/src/snippets/code/src_network_kernel_qhostinfo.cpp 4
 
+    \note There is no guarantee on the order the signals will be emitted
+    if you start multiple requests with lookupHost().
+
     \sa abortHostLookup(), addresses(), error(), fromName()
 */
 int QHostInfo::lookupHost(const QString &name, QObject *receiver,
@@ -159,38 +160,32 @@ int QHostInfo::lookupHost(const QString &name, QObject *receiver,
 
     qRegisterMetaType<QHostInfo>("QHostInfo");
 
-#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
-    QWindowsSockInit bust; // makes sure WSAStartup was callled
-#endif
-
-    QScopedPointer<QHostInfoResult> result(new QHostInfoResult);
-    result.data()->autoDelete = false;
-    QObject::connect(result.data(), SIGNAL(resultsReady(QHostInfo)),
-                     receiver, member);
-    int id = result.data()->lookupId = theIdCounter.fetchAndAddRelaxed(1);
+    int id = theIdCounter.fetchAndAddRelaxed(1); // generate unique ID
 
     if (name.isEmpty()) {
-        QHostInfo info(id);
-        info.setError(QHostInfo::HostNotFound);
-        info.setErrorString(QObject::tr("No host name given"));
-        QMetaObject::invokeMethod(result.data(), "emitResultsReady", Qt::QueuedConnection,
-                                  Q_ARG(QHostInfo, info));
-        result.take()->autoDelete = true;
+        QHostInfo hostInfo(id);
+        hostInfo.setError(QHostInfo::HostNotFound);
+        hostInfo.setErrorString(QObject::tr("No host name given"));
+        QScopedPointer<QHostInfoResult> result(new QHostInfoResult);
+        QObject::connect(result.data(), SIGNAL(resultsReady(QHostInfo)),
+                         receiver, member, Qt::QueuedConnection);
+        result.data()->emitResultsReady(hostInfo);
         return id;
     }
 
-    QHostInfoAgent *agent = theAgent();
-    agent->addHostName(name, result.take());
-
-#if !defined QT_NO_THREAD
-    if (!agent->isRunning())
-        agent->start();
+#ifdef QT_NO_THREAD
+    QHostInfo hostInfo = QHostInfoAgent::fromName(name);
+    hostInfo.setLookupId(id);
+    QScopedPointer<QHostInfoResult> result(new QHostInfoResult);
+    QObject::connect(result.data(), SIGNAL(resultsReady(QHostInfo)),
+                     receiver, member, Qt::QueuedConnection);
+    result.data()->emitResultsReady(hostInfo);
 #else
-//    if (!agent->isRunning())
-	agent->run();
-//    else
-//	agent->wakeOne();
+    QHostInfoRunnable* runnable = new QHostInfoRunnable(name, id);
+    QObject::connect(&runnable->resultEmitter, SIGNAL(resultsReady(QHostInfo)), receiver, member, Qt::QueuedConnection);
+    theHostInfoLookupManager()->scheduleLookup(runnable);
 #endif
+
     return id;
 }
 
@@ -201,8 +196,12 @@ int QHostInfo::lookupHost(const QString &name, QObject *receiver,
 */
 void QHostInfo::abortHostLookup(int id)
 {
-    QHostInfoAgent *agent = theAgent();
-    agent->abortLookup(id);
+#ifndef QT_NO_THREAD
+    theHostInfoLookupManager()->abortLookup(id);
+#else
+    // we cannot abort if it was non threaded.. the result signal has already been posted
+    Q_UNUSED(id);
+#endif
 }
 
 /*!
@@ -228,70 +227,6 @@ QHostInfo QHostInfo::fromName(const QString &name)
 }
 
 /*!
-    \internal
-    Pops a query off the queries list, performs a blocking call to
-    QHostInfoAgent::lookupHost(), and emits the resultsReady()
-    signal. This process repeats until the queries list is empty.
-*/
-void QHostInfoAgent::run()
-{
-#ifndef QT_NO_THREAD
-    // Dont' allow thread termination during event delivery, but allow it
-    // during the actual blocking host lookup stage.
-    setTerminationEnabled(false);
-    forever
-#endif
-    {
-        QHostInfoQuery *query;
-        {
-#ifndef QT_NO_THREAD
-            // the queries list is shared between threads. lock all
-            // access to it.
-            QMutexLocker locker(&mutex);
-            if (!quit && queries.isEmpty())
-                cond.wait(&mutex);
-            if (quit) {
-                // Reset the quit variable in case QCoreApplication is
-                // destroyed and recreated.
-                quit = false;
-                break;
-            }
-	    if (queries.isEmpty())
-		continue;
-#else
-	    if (queries.isEmpty())
-		return;
-#endif
-            query = queries.takeFirst();
-            pendingQueryId = query->object->lookupId;
-        }
-
-#if defined(QHOSTINFO_DEBUG)
-        qDebug("QHostInfoAgent::run(%p): looking up \"%s\"", this,
-               query->hostName.toLatin1().constData());
-#endif
-
-#ifndef QT_NO_THREAD
-        // Start query - allow termination at this point, but not outside. We
-        // don't want to all termination during event delivery, but we don't
-        // want the lookup to prevent the app from quitting (the agent
-        // destructor terminates the thread).
-        setTerminationEnabled(true);
-#endif
-        QHostInfo info = fromName(query->hostName);
-#ifndef QT_NO_THREAD
-        setTerminationEnabled(false);
-#endif
-
-        int id = query->object->lookupId;
-        info.setLookupId(id);
-        if (pendingQueryId == id)
-            query->object->emitResultsReady(info);
-        delete query;
-    }
-}
-
-/*!
     \enum QHostInfo::HostInfoError
 
     This enum describes the various errors that can occur when trying
@@ -467,4 +402,174 @@ void QHostInfo::setErrorString(const QString &str)
     \sa hostName()
 */
 
+#ifndef QT_NO_THREAD
+QHostInfoRunnable::QHostInfoRunnable(QString hn, int i) : toBeLookedUp(hn), id(i)
+{
+    setAutoDelete(true);
+}
+
+// the QHostInfoLookupManager will at some point call this via a QThreadPool
+void QHostInfoRunnable::run()
+{
+    QHostInfoLookupManager *manager = theHostInfoLookupManager();
+    // check aborted
+    if (manager->wasAborted(id)) {
+        manager->lookupFinished(this);
+        return;
+    }
+
+    // check cache
+    // FIXME
+
+    // if not in cache: OS lookup
+    QHostInfo hostInfo = QHostInfoAgent::fromName(toBeLookedUp);
+
+    // save to cache
+    // FIXME
+
+    // check aborted again
+    if (manager->wasAborted(id)) {
+        manager->lookupFinished(this);
+        return;
+    }
+
+    // signal emission
+    hostInfo.setLookupId(id);
+    resultEmitter.emitResultsReady(hostInfo);
+
+    manager->lookupFinished(this);
+
+    // thread goes back to QThreadPool
+}
+
+QHostInfoLookupManager::QHostInfoLookupManager() : mutex(QMutex::Recursive), wasDeleted(false)
+{
+    moveToThread(QCoreApplicationPrivate::mainThread());
+    threadPool.setMaxThreadCount(5); // do 5 DNS lookups in parallel
+}
+
+QHostInfoLookupManager::~QHostInfoLookupManager()
+{
+    wasDeleted = true;
+}
+
+void QHostInfoLookupManager::work()
+{
+    if (wasDeleted)
+        return;
+
+    // goals of this function:
+    //  - launch new lookups via the thread pool
+    //  - make sure only one lookup per host/IP is in progress
+
+    QMutexLocker locker(&mutex);
+
+    if (!finishedLookups.isEmpty()) {
+        // remove ID from aborted if it is in there
+        for (int i = 0; i < finishedLookups.length(); i++) {
+           abortedLookups.removeAll(finishedLookups.at(i)->id);
+        }
+
+        finishedLookups.clear();
+    }
+
+    if (!postponedLookups.isEmpty()) {
+        // try to start the postponed ones
+
+        QMutableListIterator<QHostInfoRunnable*> iterator(postponedLookups);
+        while (iterator.hasNext()) {
+            QHostInfoRunnable* postponed = iterator.next();
+
+            // check if none of the postponed hostnames is currently running
+            bool alreadyRunning = false;
+            for (int i = 0; i < currentLookups.length(); i++) {
+                if (currentLookups.at(i)->toBeLookedUp == postponed->toBeLookedUp) {
+                    alreadyRunning = true;
+                    break;
+                }
+            }
+            if (!alreadyRunning) {
+                iterator.remove();
+                scheduledLookups.prepend(postponed); // prepend! we want to finish it ASAP
+            }
+        }
+    }
+
+    if (!scheduledLookups.isEmpty()) {
+        // try to start the new ones
+        QMutableListIterator<QHostInfoRunnable*> iterator(scheduledLookups);
+        while (iterator.hasNext()) {
+            QHostInfoRunnable *scheduled = iterator.next();
+
+            // check if a lookup for this host is already running, then postpone
+            for (int i = 0; i < currentLookups.size(); i++) {
+                if (currentLookups.at(i)->toBeLookedUp == scheduled->toBeLookedUp) {
+                    iterator.remove();
+                    postponedLookups.append(scheduled);
+                    scheduled = 0;
+                    break;
+                }
+            }
+
+            if (scheduled && threadPool.tryStart(scheduled)) {
+                // runnable now running in new thread, track this in currentLookups
+                iterator.remove();
+                currentLookups.append(scheduled);
+            } else if (scheduled) {
+                // wanted to start, but could not because thread pool is busy
+                break;
+            } else {
+                // was postponed, continue iterating
+                continue;
+            }
+        };
+    }
+}
+
+// called by QHostInfo
+void QHostInfoLookupManager::scheduleLookup(QHostInfoRunnable *r)
+{
+    if (wasDeleted)
+        return;
+
+    QMutexLocker locker(&this->mutex);
+    scheduledLookups.enqueue(r);
+    work();
+}
+
+// called by QHostInfo
+void QHostInfoLookupManager::abortLookup(int id)
+{
+    if (wasDeleted)
+        return;
+
+    QMutexLocker locker(&this->mutex);
+    if (!abortedLookups.contains(id))
+        abortedLookups.append(id);
+}
+
+// called from QHostInfoRunnable
+bool QHostInfoLookupManager::wasAborted(int id)
+{
+    if (wasDeleted)
+        return true;
+
+    QMutexLocker locker(&this->mutex);
+    return abortedLookups.contains(id);
+}
+
+// called from QHostInfoRunnable
+void QHostInfoLookupManager::lookupFinished(QHostInfoRunnable *r)
+{
+    if (wasDeleted)
+        return;
+
+    QMutexLocker locker(&this->mutex);
+    currentLookups.removeOne(r);
+    finishedLookups.append(r);
+    work();
+}
+
+#endif // QT_NO_THREAD
+
 QT_END_NAMESPACE
diff --git a/src/network/kernel/qhostinfo.h b/src/network/kernel/qhostinfo.h
index 75ad2e0..9724017 100644
--- a/src/network/kernel/qhostinfo.h
+++ b/src/network/kernel/qhostinfo.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qhostinfo_p.h b/src/network/kernel/qhostinfo_p.h
index afd3570..d6aa287 100644
--- a/src/network/kernel/qhostinfo_p.h
+++ b/src/network/kernel/qhostinfo_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -61,17 +61,17 @@
 #include "QtCore/qobject.h"
 #include "QtCore/qpointer.h"
 
-#if !defined QT_NO_THREAD
+#ifndef QT_NO_THREAD
 #include "QtCore/qthread.h"
-#    define QHostInfoAgentBase QThread
-#else
-#    define QHostInfoAgentBase QObject
+#include "QtCore/qthreadpool.h"
+#include "QtCore/qmutex.h"
+#include "QtCore/qrunnable.h"
+#include "QtCore/qlist.h"
+#include "QtCore/qqueue.h"
 #endif
 
 QT_BEGIN_NAMESPACE
 
-static const int QHOSTINFO_THREAD_WAIT = 250; // ms
-
 class QHostInfoResult : public QObject
 {
     Q_OBJECT
@@ -79,102 +79,18 @@ public Q_SLOTS:
     inline void emitResultsReady(const QHostInfo &info)
     {
         emit resultsReady(info);
-        if (autoDelete)
-            delete this;
     }
 
 Q_SIGNALS:
-    void resultsReady(const QHostInfo &info);
-
-public:
-    int lookupId;
-    bool autoDelete;
+    void resultsReady(const QHostInfo info);
 };
 
-struct QHostInfoQuery
-{
-    inline QHostInfoQuery() : object(0) {}
-    inline ~QHostInfoQuery() { delete object; }
-    inline QHostInfoQuery(const QString &name, QHostInfoResult *result)
-        : hostName(name), object(result) {}
-
-    QString hostName;
-    QHostInfoResult *object;
-};
-
-class QHostInfoAgent : public QHostInfoAgentBase
+// needs to be QObject because fromName calls tr()
+class QHostInfoAgent : public QObject
 {
     Q_OBJECT
 public:
-    inline QHostInfoAgent()
-    {
-        // There is a chance that there will be two instances of
-        // QHostInfoAgent if two threads try to get Q_GLOBAL_STATIC
-        // object at the same time. The second object will be deleted
-        // immediately before anyone uses it, but we need to be
-        // careful about what we do in the constructor.
-        static QBasicAtomicInt done = Q_BASIC_ATOMIC_INITIALIZER(0);
-        if (done.testAndSetRelaxed(0, 1))
-            qAddPostRoutine(staticCleanup);
-        moveToThread(QCoreApplicationPrivate::mainThread());
-        quit = false;
-        pendingQueryId = -1;
-    }
-    inline ~QHostInfoAgent()
-    { cleanup(); }
-
-    void run();
     static QHostInfo fromName(const QString &hostName);
-
-    inline void addHostName(const QString &name, QHostInfoResult *result)
-    {
-        QMutexLocker locker(&mutex);
-        queries << new QHostInfoQuery(name, result);
-        cond.wakeOne();
-    }
-
-    inline void abortLookup(int id)
-    {
-        QMutexLocker locker(&mutex);
-        for (int i = 0; i < queries.size(); ++i) {
-            QHostInfoResult *result = queries.at(i)->object;
-            if (result->lookupId == id) {
-                result->disconnect();
-                delete queries.takeAt(i);
-                return;
-            }
-        }
-        if (pendingQueryId == id)
-            pendingQueryId = -1;
-    }
-
-    static void staticCleanup();
-
-public Q_SLOTS:
-    inline void cleanup()
-    {
-        {
-            QMutexLocker locker(&mutex);
-            qDeleteAll(queries);
-            queries.clear();
-            quit = true;
-            cond.wakeOne();
-        }
-#ifndef QT_NO_THREAD
-        if (!wait(QHOSTINFO_THREAD_WAIT)) {
-            terminate();
-            // Don't wait forever; see QTBUG-5296.
-            wait(QHOSTINFO_THREAD_WAIT);
-        }
-#endif
-    }
-
-private:
-    QList<QHostInfoQuery *> queries;
-    QMutex mutex;
-    QWaitCondition cond;
-    volatile bool quit;
-    int pendingQueryId;
 };
 
 class QHostInfoPrivate
@@ -194,6 +110,52 @@ public:
     int lookupId;
 };
 
+#ifndef QT_NO_THREAD
+// the following classes are used for the (normal) case: We use multiple threads to lookup DNS
+
+class QHostInfoRunnable : public QRunnable
+{
+public:
+    QHostInfoRunnable (QString hn, int i);
+    void run();
+
+    QString toBeLookedUp;
+    int id;
+    QHostInfoResult resultEmitter;
+};
+
+class QHostInfoLookupManager : public QObject
+{
+    Q_OBJECT
+public:
+    QHostInfoLookupManager();
+    ~QHostInfoLookupManager();
+
+    void work();
+
+    // called from QHostInfo
+    void scheduleLookup(QHostInfoRunnable *r);
+    void abortLookup(int id);
+
+    // called from QHostInfoRunnable
+    void lookupFinished(QHostInfoRunnable *r);
+    bool wasAborted(int id);
+
+protected:
+    QList<QHostInfoRunnable*> currentLookups; // in progress
+    QList<QHostInfoRunnable*> postponedLookups; // postponed because in progress for same host
+    QQueue<QHostInfoRunnable*> scheduledLookups; // not yet started
+    QList<QHostInfoRunnable*> finishedLookups; // recently finished
+    QList<int> abortedLookups; // ids of aborted lookups
+
+    QThreadPool threadPool;
+
+    QMutex mutex;
+
+    bool wasDeleted;
+};
+#endif
+
 QT_END_NAMESPACE
 
 #endif // QHOSTINFO_P_H
diff --git a/src/network/kernel/qhostinfo_unix.cpp b/src/network/kernel/qhostinfo_unix.cpp
index 7e6e522..be06b6e 100644
--- a/src/network/kernel/qhostinfo_unix.cpp
+++ b/src/network/kernel/qhostinfo_unix.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qhostinfo_win.cpp b/src/network/kernel/qhostinfo_win.cpp
index 720aaa5..4264f60 100644
--- a/src/network/kernel/qhostinfo_win.cpp
+++ b/src/network/kernel/qhostinfo_win.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -105,11 +105,7 @@ static void resolveLibrary()
 #include <qmutex.h>
 QMutex qPrivCEMutex;
 #endif
-/*
-    Performs a blocking call to gethostbyname or getaddrinfo, stores
-    the results in a QHostInfo structure and emits the
-    resultsReady() signal.
-*/
+
 QHostInfo QHostInfoAgent::fromName(const QString &hostName)
 {
 #if defined(Q_OS_WINCE)
diff --git a/src/network/kernel/qnetworkinterface.cpp b/src/network/kernel/qnetworkinterface.cpp
index 91973e7..367e3c4 100644
--- a/src/network/kernel/qnetworkinterface.cpp
+++ b/src/network/kernel/qnetworkinterface.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qnetworkinterface.h b/src/network/kernel/qnetworkinterface.h
index c23f650..0a57ce8 100644
--- a/src/network/kernel/qnetworkinterface.h
+++ b/src/network/kernel/qnetworkinterface.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qnetworkinterface_p.h b/src/network/kernel/qnetworkinterface_p.h
index 0b540a2..749bd8e 100644
--- a/src/network/kernel/qnetworkinterface_p.h
+++ b/src/network/kernel/qnetworkinterface_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qnetworkinterface_symbian.cpp b/src/network/kernel/qnetworkinterface_symbian.cpp
index a96a0c0..7942461 100644
--- a/src/network/kernel/qnetworkinterface_symbian.cpp
+++ b/src/network/kernel/qnetworkinterface_symbian.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qnetworkinterface_unix.cpp b/src/network/kernel/qnetworkinterface_unix.cpp
index 6b9b560..f9d24c3 100644
--- a/src/network/kernel/qnetworkinterface_unix.cpp
+++ b/src/network/kernel/qnetworkinterface_unix.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qnetworkinterface_win.cpp b/src/network/kernel/qnetworkinterface_win.cpp
index 6a646b8..056650d 100644
--- a/src/network/kernel/qnetworkinterface_win.cpp
+++ b/src/network/kernel/qnetworkinterface_win.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qnetworkinterface_win_p.h b/src/network/kernel/qnetworkinterface_win_p.h
index 2cadb1a..2352dfd 100644
--- a/src/network/kernel/qnetworkinterface_win_p.h
+++ b/src/network/kernel/qnetworkinterface_win_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qnetworkproxy.cpp b/src/network/kernel/qnetworkproxy.cpp
index 2d5c74f..ada9381 100644
--- a/src/network/kernel/qnetworkproxy.cpp
+++ b/src/network/kernel/qnetworkproxy.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qnetworkproxy.h b/src/network/kernel/qnetworkproxy.h
index 68bd6fd..74ea63a 100644
--- a/src/network/kernel/qnetworkproxy.h
+++ b/src/network/kernel/qnetworkproxy.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qnetworkproxy_generic.cpp b/src/network/kernel/qnetworkproxy_generic.cpp
index 673c262..ae855d1 100644
--- a/src/network/kernel/qnetworkproxy_generic.cpp
+++ b/src/network/kernel/qnetworkproxy_generic.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qnetworkproxy_mac.cpp b/src/network/kernel/qnetworkproxy_mac.cpp
index 2c7e250..1e22212 100644
--- a/src/network/kernel/qnetworkproxy_mac.cpp
+++ b/src/network/kernel/qnetworkproxy_mac.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qnetworkproxy_win.cpp b/src/network/kernel/qnetworkproxy_win.cpp
index 0e2dd2b..e801738 100644
--- a/src/network/kernel/qnetworkproxy_win.cpp
+++ b/src/network/kernel/qnetworkproxy_win.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qurlinfo.cpp b/src/network/kernel/qurlinfo.cpp
index 7439e46..18d8d40 100644
--- a/src/network/kernel/qurlinfo.cpp
+++ b/src/network/kernel/qurlinfo.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/kernel/qurlinfo.h b/src/network/kernel/qurlinfo.h
index 52ddbe4..cfa6275 100644
--- a/src/network/kernel/qurlinfo.h
+++ b/src/network/kernel/qurlinfo.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qabstractsocket.cpp b/src/network/socket/qabstractsocket.cpp
index 8b4f364..829df89 100644
--- a/src/network/socket/qabstractsocket.cpp
+++ b/src/network/socket/qabstractsocket.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -520,13 +520,13 @@ bool QAbstractSocketPrivate::initSocketLayer(QAbstractSocket::NetworkLayerProtoc
     Q_Q(QAbstractSocket);
 #if defined (QABSTRACTSOCKET_DEBUG)
     QString typeStr;
-    if (q->socketType() == QAbstractSocket::TcpSocket) typeStr = "TcpSocket";
-    else if (q->socketType() == QAbstractSocket::UdpSocket) typeStr = "UdpSocket";
-    else typeStr = "UnknownSocketType";
+    if (q->socketType() == QAbstractSocket::TcpSocket) typeStr = QLatin1String("TcpSocket");
+    else if (q->socketType() == QAbstractSocket::UdpSocket) typeStr = QLatin1String("UdpSocket");
+    else typeStr = QLatin1String("UnknownSocketType");
     QString protocolStr;
-    if (protocol == QAbstractSocket::IPv4Protocol) protocolStr = "IPv4Protocol";
-    else if (protocol == QAbstractSocket::IPv6Protocol) protocolStr = "IPv6Protocol";
-    else protocolStr = "UnknownNetworkLayerProtocol";
+    if (protocol == QAbstractSocket::IPv4Protocol) protocolStr = QLatin1String("IPv4Protocol");
+    else if (protocol == QAbstractSocket::IPv6Protocol) protocolStr = QLatin1String("IPv6Protocol");
+    else protocolStr = QLatin1String("UnknownNetworkLayerProtocol");
 #endif
 
     resetSocketLayer();
@@ -873,15 +873,19 @@ void QAbstractSocketPrivate::_q_startConnecting(const QHostInfo &hostInfo)
     if (state != QAbstractSocket::HostLookupState)
         return;
 
+    if (hostLookupId != -1 && hostLookupId != hostInfo.lookupId()) {
+        qWarning("QAbstractSocketPrivate::_q_startConnecting() received hostInfo for wrong lookup ID %d expected %d", hostInfo.lookupId(), hostLookupId);
+    }
+
     addresses = hostInfo.addresses();
 
 #if defined(QABSTRACTSOCKET_DEBUG)
-    QString s = "{";
+    QString s = QLatin1String("{");
     for (int i = 0; i < addresses.count(); ++i) {
-        if (i != 0) s += ", ";
+        if (i != 0) s += QLatin1String(", ");
         s += addresses.at(i).toString();
     }
-    s += '}';
+    s += QLatin1Char('}');
     qDebug("QAbstractSocketPrivate::_q_startConnecting(hostInfo == %s)", s.toLatin1().constData());
 #endif
 
diff --git a/src/network/socket/qabstractsocket.h b/src/network/socket/qabstractsocket.h
index 5cfae17..9e487d2 100644
--- a/src/network/socket/qabstractsocket.h
+++ b/src/network/socket/qabstractsocket.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qabstractsocket_p.h b/src/network/socket/qabstractsocket_p.h
index acf82bf..b51c301 100644
--- a/src/network/socket/qabstractsocket_p.h
+++ b/src/network/socket/qabstractsocket_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qabstractsocketengine.cpp b/src/network/socket/qabstractsocketengine.cpp
index fb3d070..79eed8c 100644
--- a/src/network/socket/qabstractsocketengine.cpp
+++ b/src/network/socket/qabstractsocketengine.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qabstractsocketengine_p.h b/src/network/socket/qabstractsocketengine_p.h
index 14b3c81..3669852 100644
--- a/src/network/socket/qabstractsocketengine_p.h
+++ b/src/network/socket/qabstractsocketengine_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qhttpsocketengine.cpp b/src/network/socket/qhttpsocketengine.cpp
index 5c28318..3293ff5 100644
--- a/src/network/socket/qhttpsocketengine.cpp
+++ b/src/network/socket/qhttpsocketengine.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -212,28 +212,14 @@ qint64 QHttpSocketEngine::bytesAvailable() const
 qint64 QHttpSocketEngine::read(char *data, qint64 maxlen)
 {
     Q_D(QHttpSocketEngine);
-    qint64 bytesRead = 0;
-
-    if (!d->readBuffer.isEmpty()) {
-        // Read as much from the buffer as we can.
-        bytesRead = qMin((qint64)d->readBuffer.size(), maxlen);
-        memcpy(data, d->readBuffer.constData(), bytesRead);
-        data += bytesRead;
-        maxlen -= bytesRead;
-        d->readBuffer = d->readBuffer.mid(bytesRead);
-    }
-
-    qint64 bytesReadFromSocket = d->socket->read(data, maxlen);
+    qint64 bytesRead = d->socket->read(data, maxlen);
 
     if (d->socket->state() == QAbstractSocket::UnconnectedState
         && d->socket->bytesAvailable() == 0) {
         emitReadNotification();
     }
 
-    if (bytesReadFromSocket > 0) {
-        // Add to what we read so far.
-        bytesRead += bytesReadFromSocket;
-    } else if (bytesRead == 0 && bytesReadFromSocket == -1) {
+    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.
@@ -560,7 +546,7 @@ void QHttpSocketEngine::slotSocketReadNotification()
     }
 
     QHttpResponseHeader responseHeader(QString::fromLatin1(d->readBuffer));
-    d->readBuffer.clear();
+    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) {
diff --git a/src/network/socket/qhttpsocketengine_p.h b/src/network/socket/qhttpsocketengine_p.h
index 76430db..5051def 100644
--- a/src/network/socket/qhttpsocketengine_p.h
+++ b/src/network/socket/qhttpsocketengine_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -162,7 +162,7 @@ public:
     QNetworkProxy proxy;
     QString peerName;
     QTcpSocket *socket;
-    QByteArray readBuffer;
+    QByteArray readBuffer; // only used for parsing the proxy response
     QHttpSocketEngine::HttpState state;
     QAuthenticator authenticator;
     bool readNotificationEnabled;
diff --git a/src/network/socket/qlocalserver.cpp b/src/network/socket/qlocalserver.cpp
index 8fa4a1c..ede3c89 100644
--- a/src/network/socket/qlocalserver.cpp
+++ b/src/network/socket/qlocalserver.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qlocalserver.h b/src/network/socket/qlocalserver.h
index 5646b4f..38ba74c 100644
--- a/src/network/socket/qlocalserver.h
+++ b/src/network/socket/qlocalserver.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qlocalserver_p.h b/src/network/socket/qlocalserver_p.h
index 3b8993e..feaaae0 100644
--- a/src/network/socket/qlocalserver_p.h
+++ b/src/network/socket/qlocalserver_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qlocalserver_tcp.cpp b/src/network/socket/qlocalserver_tcp.cpp
index 77d9889..4592141 100644
--- a/src/network/socket/qlocalserver_tcp.cpp
+++ b/src/network/socket/qlocalserver_tcp.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qlocalserver_unix.cpp b/src/network/socket/qlocalserver_unix.cpp
index e09e547..560f5f6 100644
--- a/src/network/socket/qlocalserver_unix.cpp
+++ b/src/network/socket/qlocalserver_unix.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qlocalserver_win.cpp b/src/network/socket/qlocalserver_win.cpp
index 63b5f53..e820f73 100644
--- a/src/network/socket/qlocalserver_win.cpp
+++ b/src/network/socket/qlocalserver_win.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qlocalsocket.cpp b/src/network/socket/qlocalsocket.cpp
index 228a6e7..2eb1700 100644
--- a/src/network/socket/qlocalsocket.cpp
+++ b/src/network/socket/qlocalsocket.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qlocalsocket.h b/src/network/socket/qlocalsocket.h
index b70bc42..5bf2e94 100644
--- a/src/network/socket/qlocalsocket.h
+++ b/src/network/socket/qlocalsocket.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qlocalsocket_p.h b/src/network/socket/qlocalsocket_p.h
index 3d37791..081697b 100644
--- a/src/network/socket/qlocalsocket_p.h
+++ b/src/network/socket/qlocalsocket_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qlocalsocket_tcp.cpp b/src/network/socket/qlocalsocket_tcp.cpp
index 7ceaf03e..9f574d4 100644
--- a/src/network/socket/qlocalsocket_tcp.cpp
+++ b/src/network/socket/qlocalsocket_tcp.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qlocalsocket_unix.cpp b/src/network/socket/qlocalsocket_unix.cpp
index bad951f..73c2465 100644
--- a/src/network/socket/qlocalsocket_unix.cpp
+++ b/src/network/socket/qlocalsocket_unix.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qlocalsocket_win.cpp b/src/network/socket/qlocalsocket_win.cpp
index d812d88..1f94df6 100644
--- a/src/network/socket/qlocalsocket_win.cpp
+++ b/src/network/socket/qlocalsocket_win.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qnativesocketengine.cpp b/src/network/socket/qnativesocketengine.cpp
index 5d17022..6e1df93 100644
--- a/src/network/socket/qnativesocketengine.cpp
+++ b/src/network/socket/qnativesocketengine.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qnativesocketengine_p.h b/src/network/socket/qnativesocketengine_p.h
index a03d8f1..eca16f6 100644
--- a/src/network/socket/qnativesocketengine_p.h
+++ b/src/network/socket/qnativesocketengine_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qnativesocketengine_unix.cpp b/src/network/socket/qnativesocketengine_unix.cpp
index f890d12..d3b0fe5 100644
--- a/src/network/socket/qnativesocketengine_unix.cpp
+++ b/src/network/socket/qnativesocketengine_unix.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp
index 91f930a..7088a57 100644
--- a/src/network/socket/qnativesocketengine_win.cpp
+++ b/src/network/socket/qnativesocketengine_win.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -994,9 +994,9 @@ qint64 QNativeSocketEnginePrivate::nativeWrite(const char *data, qint64 len)
 {
     Q_Q(QNativeSocketEngine);
     qint64 ret = 0;
-    // don't send more than 49152 per call to WSASendTo to avoid getting a WSAENOBUFS
+    qint64 bytesToSend = len;
+
     for (;;) {
-        qint64 bytesToSend = qMin<qint64>(49152, len - ret);
         WSABUF buf;
         buf.buf = (char*)data + ret;
         buf.len = bytesToSend;
@@ -1007,15 +1007,21 @@ qint64 QNativeSocketEnginePrivate::nativeWrite(const char *data, qint64 len)
 
         ret += qint64(bytesWritten);
 
+        int err;
         if (socketRet != SOCKET_ERROR) {
             if (ret == len)
                 break;
             else
                 continue;
-        } else if (WSAGetLastError() == WSAEWOULDBLOCK) {
+        } else if ((err = WSAGetLastError()) == WSAEWOULDBLOCK) {
             break;
+        } else if (err == WSAENOBUFS) {
+            // this function used to not send more than 49152 per call to WSASendTo
+            // to avoid getting a WSAENOBUFS. However this is a performance regression
+            // and we think it only appears with old windows versions. We now handle the
+            // WSAENOBUFS and hope it never appears anyway.
+            // just go on, the next loop run we will try a smaller number
         } else {
-            int err = WSAGetLastError();
             WS_ERROR_DEBUG(err);
             switch (err) {
             case WSAECONNRESET:
@@ -1029,6 +1035,9 @@ qint64 QNativeSocketEnginePrivate::nativeWrite(const char *data, qint64 len)
             }
             break;
         }
+
+        // for next send:
+        bytesToSend = qMin<qint64>(49152, len - ret);
     }
 
 #if defined (QNATIVESOCKETENGINE_DEBUG)
diff --git a/src/network/socket/qnet_unix_p.h b/src/network/socket/qnet_unix_p.h
index dfdf2e4..7895930 100644
--- a/src/network/socket/qnet_unix_p.h
+++ b/src/network/socket/qnet_unix_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qsocks5socketengine.cpp b/src/network/socket/qsocks5socketengine.cpp
index bd60ad1..924530e 100644
--- a/src/network/socket/qsocks5socketengine.cpp
+++ b/src/network/socket/qsocks5socketengine.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qsocks5socketengine_p.h b/src/network/socket/qsocks5socketengine_p.h
index 2402517..3d35b57 100644
--- a/src/network/socket/qsocks5socketengine_p.h
+++ b/src/network/socket/qsocks5socketengine_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qtcpserver.cpp b/src/network/socket/qtcpserver.cpp
index 45d240a..47a998c 100644
--- a/src/network/socket/qtcpserver.cpp
+++ b/src/network/socket/qtcpserver.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qtcpserver.h b/src/network/socket/qtcpserver.h
index a8bdd16..7aebffe 100644
--- a/src/network/socket/qtcpserver.h
+++ b/src/network/socket/qtcpserver.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qtcpsocket.cpp b/src/network/socket/qtcpsocket.cpp
index c2bcca4..b1c7c1c 100644
--- a/src/network/socket/qtcpsocket.cpp
+++ b/src/network/socket/qtcpsocket.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qtcpsocket.h b/src/network/socket/qtcpsocket.h
index ba9f0d2..c03d975 100644
--- a/src/network/socket/qtcpsocket.h
+++ b/src/network/socket/qtcpsocket.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qtcpsocket_p.h b/src/network/socket/qtcpsocket_p.h
index 6a53c13..704c63c 100644
--- a/src/network/socket/qtcpsocket_p.h
+++ b/src/network/socket/qtcpsocket_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qudpsocket.cpp b/src/network/socket/qudpsocket.cpp
index a26bb98..e208904 100644
--- a/src/network/socket/qudpsocket.cpp
+++ b/src/network/socket/qudpsocket.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/socket/qudpsocket.h b/src/network/socket/qudpsocket.h
index e9421a9..f477306 100644
--- a/src/network/socket/qudpsocket.h
+++ b/src/network/socket/qudpsocket.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qssl.cpp b/src/network/ssl/qssl.cpp
index 6801e32..e8f7780 100644
--- a/src/network/ssl/qssl.cpp
+++ b/src/network/ssl/qssl.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qssl.h b/src/network/ssl/qssl.h
index 3654d38..c841ba8 100644
--- a/src/network/ssl/qssl.h
+++ b/src/network/ssl/qssl.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslcertificate.cpp b/src/network/ssl/qsslcertificate.cpp
index 4bd6ff3..9a9b1b5 100644
--- a/src/network/ssl/qsslcertificate.cpp
+++ b/src/network/ssl/qsslcertificate.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -304,6 +304,7 @@ static QString _q_SubjectInfoToString(QSslCertificate::SubjectInfo info)
 */
 QString QSslCertificate::issuerInfo(SubjectInfo info) const
 {
+    // lazy init
     if (d->issuerInfo.isEmpty() && d->x509)
         d->issuerInfo =
                 _q_mapFromOnelineName(q_X509_NAME_oneline(q_X509_get_issuer_name(d->x509), 0, 0));
@@ -320,7 +321,11 @@ QString QSslCertificate::issuerInfo(SubjectInfo info) const
 */
 QString QSslCertificate::issuerInfo(const QByteArray &tag) const
 {
-    // ### Use a QByteArray for the keys in the map
+    // lazy init
+    if (d->issuerInfo.isEmpty() && d->x509)
+        d->issuerInfo =
+                _q_mapFromOnelineName(q_X509_NAME_oneline(q_X509_get_issuer_name(d->x509), 0, 0));
+
     return d->issuerInfo.value(QString::fromLatin1(tag));
 }
 
@@ -335,6 +340,7 @@ QString QSslCertificate::issuerInfo(const QByteArray &tag) const
 */
 QString QSslCertificate::subjectInfo(SubjectInfo info) const
 {
+    // lazy init
     if (d->subjectInfo.isEmpty() && d->x509)
         d->subjectInfo =
                 _q_mapFromOnelineName(q_X509_NAME_oneline(q_X509_get_subject_name(d->x509), 0, 0));
@@ -350,7 +356,11 @@ QString QSslCertificate::subjectInfo(SubjectInfo info) const
 */
 QString QSslCertificate::subjectInfo(const QByteArray &tag) const
 {
-    // ### Use a QByteArray for the keys in the map
+    // lazy init
+    if (d->subjectInfo.isEmpty() && d->x509)
+        d->subjectInfo =
+                _q_mapFromOnelineName(q_X509_NAME_oneline(q_X509_get_subject_name(d->x509), 0, 0));
+
     return d->subjectInfo.value(QString::fromLatin1(tag));
 }
 
@@ -686,11 +696,11 @@ QSslCertificate QSslCertificatePrivate::QSslCertificate_from_X509(X509 *x509)
 
 static bool matchLineFeed(const QByteArray &pem, int *offset)
 {
-    char ch = pem.at(*offset);
+    char ch;
 
     // ignore extra whitespace at the end of the line
-    while (ch == ' ' && *offset < pem.size())
-        ch = pem.at(++*offset);
+    while (*offset < pem.size() && (ch = pem.at(*offset)) == ' ')
+        ++*offset;
 
     if (ch == '\n') {
         *offset += 1;
@@ -722,7 +732,7 @@ QList<QSslCertificate> QSslCertificatePrivate::certificatesFromPem(const QByteAr
             break;
 
         offset = endPos + sizeof(ENDCERTSTRING) - 1;
-        if (!matchLineFeed(pem, &offset))
+        if (offset < pem.size() && !matchLineFeed(pem, &offset))
             break;
 
         QByteArray decoded = QByteArray::fromBase64(
diff --git a/src/network/ssl/qsslcertificate.h b/src/network/ssl/qsslcertificate.h
index 0a248b5..d3594fc 100644
--- a/src/network/ssl/qsslcertificate.h
+++ b/src/network/ssl/qsslcertificate.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslcertificate_p.h b/src/network/ssl/qsslcertificate_p.h
index bfcbe9c..fe52a82 100644
--- a/src/network/ssl/qsslcertificate_p.h
+++ b/src/network/ssl/qsslcertificate_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslcipher.cpp b/src/network/ssl/qsslcipher.cpp
index f8d9b55..31042a4 100644
--- a/src/network/ssl/qsslcipher.cpp
+++ b/src/network/ssl/qsslcipher.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslcipher.h b/src/network/ssl/qsslcipher.h
index d8f0ff7..22ff552 100644
--- a/src/network/ssl/qsslcipher.h
+++ b/src/network/ssl/qsslcipher.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslcipher_p.h b/src/network/ssl/qsslcipher_p.h
index ea38d79..7166152 100644
--- a/src/network/ssl/qsslcipher_p.h
+++ b/src/network/ssl/qsslcipher_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslconfiguration.cpp b/src/network/ssl/qsslconfiguration.cpp
index 899acfb..f8f67bb 100644
--- a/src/network/ssl/qsslconfiguration.cpp
+++ b/src/network/ssl/qsslconfiguration.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslconfiguration.h b/src/network/ssl/qsslconfiguration.h
index efd5d0d..d104d1c 100644
--- a/src/network/ssl/qsslconfiguration.h
+++ b/src/network/ssl/qsslconfiguration.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslconfiguration_p.h b/src/network/ssl/qsslconfiguration_p.h
index 30c92f3..3c76d7c 100644
--- a/src/network/ssl/qsslconfiguration_p.h
+++ b/src/network/ssl/qsslconfiguration_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslerror.cpp b/src/network/ssl/qsslerror.cpp
index e912626..a2cb84f 100644
--- a/src/network/ssl/qsslerror.cpp
+++ b/src/network/ssl/qsslerror.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslerror.h b/src/network/ssl/qsslerror.h
index f13f9de..3987907 100644
--- a/src/network/ssl/qsslerror.h
+++ b/src/network/ssl/qsslerror.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslkey.cpp b/src/network/ssl/qsslkey.cpp
index e789edc..41b2384 100644
--- a/src/network/ssl/qsslkey.cpp
+++ b/src/network/ssl/qsslkey.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslkey.h b/src/network/ssl/qsslkey.h
index 8af2bfb..28b97f8 100644
--- a/src/network/ssl/qsslkey.h
+++ b/src/network/ssl/qsslkey.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslkey_p.h b/src/network/ssl/qsslkey_p.h
index 6a7ae95..3811f7e 100644
--- a/src/network/ssl/qsslkey_p.h
+++ b/src/network/ssl/qsslkey_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslsocket.cpp b/src/network/ssl/qsslsocket.cpp
index e53d8a4..6947aa7 100644
--- a/src/network/ssl/qsslsocket.cpp
+++ b/src/network/ssl/qsslsocket.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslsocket.h b/src/network/ssl/qsslsocket.h
index 82cda35..6671683 100644
--- a/src/network/ssl/qsslsocket.h
+++ b/src/network/ssl/qsslsocket.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslsocket_openssl.cpp b/src/network/ssl/qsslsocket_openssl.cpp
index 743722f..892d330 100644
--- a/src/network/ssl/qsslsocket_openssl.cpp
+++ b/src/network/ssl/qsslsocket_openssl.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -553,6 +553,12 @@ void QSslSocketBackendPrivate::transmit()
 #endif
                 writeBuffer.free(writtenBytes);
                 totalBytesWritten += writtenBytes;
+
+                if (writtenBytes < nextDataBlockSize) {
+                    // break out of the writing loop and try again after we had read
+                    transmitting = true;
+                    break;
+                }
             }
 
             if (totalBytesWritten > 0) {
@@ -586,12 +592,26 @@ void QSslSocketBackendPrivate::transmit()
             while ((pendingBytes = plainSocket->bytesAvailable()) > 0) {
                 // Read encrypted data from the socket into a buffer.
                 data.resize(pendingBytes);
-                int decryptedBytesRead = plainSocket->read(data.data(), pendingBytes);
+                // just peek() here because q_BIO_write could write less data than expected
+                int encryptedBytesRead = plainSocket->peek(data.data(), pendingBytes);
 #ifdef QSSLSOCKET_DEBUG
-                qDebug() << "QSslSocketBackendPrivate::transmit: read" << decryptedBytesRead << "encrypted bytes from the socket";
+                qDebug() << "QSslSocketBackendPrivate::transmit: read" << encryptedBytesRead << "encrypted bytes from the socket";
 #endif
                 // Write encrypted data from the buffer into the read BIO.
-                q_BIO_write(readBio, data.constData(), decryptedBytesRead);
+                int writtenToBio = q_BIO_write(readBio, data.constData(), encryptedBytesRead);
+
+                // do the actual read() here and throw away the results.
+                if (writtenToBio > 0) {
+                    // ### TODO: make this cheaper by not making it memcpy. E.g. make it work with data=0x0 or make it work with seek
+                    plainSocket->read(data.data(), writtenToBio);
+                } else {
+                    // ### Better error handling.
+                    q->setErrorString(QSslSocket::tr("Unable to decrypt data: %1").arg(SSL_ERRORSTR()));
+                    q->setSocketError(QAbstractSocket::UnknownSocketError);
+                    emit q->error(QAbstractSocket::UnknownSocketError);
+                    return;
+                }
+
                 transmitting = true;
             }
 
diff --git a/src/network/ssl/qsslsocket_openssl_p.h b/src/network/ssl/qsslsocket_openssl_p.h
index e320e49..836f064 100644
--- a/src/network/ssl/qsslsocket_openssl_p.h
+++ b/src/network/ssl/qsslsocket_openssl_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslsocket_openssl_symbols.cpp b/src/network/ssl/qsslsocket_openssl_symbols.cpp
index 12f41bd..94cc9d2 100644
--- a/src/network/ssl/qsslsocket_openssl_symbols.cpp
+++ b/src/network/ssl/qsslsocket_openssl_symbols.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslsocket_openssl_symbols_p.h b/src/network/ssl/qsslsocket_openssl_symbols_p.h
index ae6618f..c93d547 100644
--- a/src/network/ssl/qsslsocket_openssl_symbols_p.h
+++ b/src/network/ssl/qsslsocket_openssl_symbols_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/network/ssl/qsslsocket_p.h b/src/network/ssl/qsslsocket_p.h
index ee21956..8e22664 100644
--- a/src/network/ssl/qsslsocket_p.h
+++ b/src/network/ssl/qsslsocket_p.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -83,9 +83,6 @@ public:
     QList<QSslError> ignoreErrorsList;
     bool* readyReadEmittedPointer;
 
-    QRingBuffer readBuffer;
-    QRingBuffer writeBuffer;
-
     QSslConfigurationPrivate configuration;
     QList<QSslError> sslErrors;