--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/network/socket/qlocalsocket_tcp.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,437 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtNetwork module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qlocalsocket.h"
+#include "qlocalsocket_p.h"
+#include "qlocalserver.h"
+
+#include <qhostaddress.h>
+#include <qsettings.h>
+#include <qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+QLocalSocketPrivate::QLocalSocketPrivate() : QIODevicePrivate(),
+ tcpSocket(0),
+ ownsTcpSocket(true),
+ state(QLocalSocket::UnconnectedState)
+{
+}
+
+void QLocalSocketPrivate::init()
+{
+ setSocket(new QLocalUnixSocket);
+}
+
+void QLocalSocketPrivate::setSocket(QLocalUnixSocket* socket)
+{
+ if (ownsTcpSocket)
+ delete tcpSocket;
+ ownsTcpSocket = false;
+ tcpSocket = socket;
+
+ Q_Q(QLocalSocket);
+ // QIODevice signals
+ q->connect(tcpSocket, SIGNAL(aboutToClose()), q, SIGNAL(aboutToClose()));
+ q->connect(tcpSocket, SIGNAL(bytesWritten(qint64)),
+ q, SIGNAL(bytesWritten(qint64)));
+ q->connect(tcpSocket, SIGNAL(readyRead()), q, SIGNAL(readyRead()));
+ // QAbstractSocket signals
+ q->connect(tcpSocket, SIGNAL(connected()), q, SIGNAL(connected()));
+ q->connect(tcpSocket, SIGNAL(disconnected()), q, SIGNAL(disconnected()));
+ q->connect(tcpSocket, SIGNAL(stateChanged(QAbstractSocket::SocketState)),
+ q, SLOT(_q_stateChanged(QAbstractSocket::SocketState)));
+ q->connect(tcpSocket, SIGNAL(error(QAbstractSocket::SocketError)),
+ q, SLOT(_q_error(QAbstractSocket::SocketError)));
+ q->connect(tcpSocket, SIGNAL(readChannelFinished()), q, SIGNAL(readChannelFinished()));
+ tcpSocket->setParent(q);
+}
+
+void QLocalSocketPrivate::_q_error(QAbstractSocket::SocketError socketError)
+{
+ Q_Q(QLocalSocket);
+ QString function = QLatin1String("QLocalSocket");
+ QLocalSocket::LocalSocketError error = (QLocalSocket::LocalSocketError)socketError;
+ QString errorString = generateErrorString(error, function);
+ q->setErrorString(errorString);
+ emit q->error(error);
+}
+
+void QLocalSocketPrivate::_q_stateChanged(QAbstractSocket::SocketState newState)
+{
+ Q_Q(QLocalSocket);
+ QLocalSocket::LocalSocketState currentState = state;
+ switch(newState) {
+ case QAbstractSocket::UnconnectedState:
+ state = QLocalSocket::UnconnectedState;
+ serverName = QString();
+ fullServerName = QString();
+ break;
+ case QAbstractSocket::ConnectingState:
+ state = QLocalSocket::ConnectingState;
+ break;
+ case QAbstractSocket::ConnectedState:
+ state = QLocalSocket::ConnectedState;
+ break;
+ case QAbstractSocket::ClosingState:
+ state = QLocalSocket::ClosingState;
+ break;
+ default:
+#if defined QLOCALSOCKET_DEBUG
+ qWarning() << "QLocalSocket::Unhandled socket state change:" << newState;
+#endif
+ return;
+ }
+ if (currentState != state)
+ emit q->stateChanged(state);
+}
+
+QString QLocalSocketPrivate::generateErrorString(QLocalSocket::LocalSocketError error, const QString &function) const
+{
+ QString errorString;
+ switch (error) {
+ case QLocalSocket::ConnectionRefusedError:
+ errorString = QLocalSocket::tr("%1: Connection refused").arg(function);
+ break;
+ case QLocalSocket::PeerClosedError:
+ errorString = QLocalSocket::tr("%1: Remote closed").arg(function);
+ break;
+ case QLocalSocket::ServerNotFoundError:
+ errorString = QLocalSocket::tr("%1: Invalid name").arg(function);
+ break;
+ case QLocalSocket::SocketAccessError:
+ errorString = QLocalSocket::tr("%1: Socket access error").arg(function);
+ break;
+ case QLocalSocket::SocketResourceError:
+ errorString = QLocalSocket::tr("%1: Socket resource error").arg(function);
+ break;
+ case QLocalSocket::SocketTimeoutError:
+ errorString = QLocalSocket::tr("%1: Socket operation timed out").arg(function);
+ break;
+ case QLocalSocket::DatagramTooLargeError:
+ errorString = QLocalSocket::tr("%1: Datagram too large").arg(function);
+ break;
+ case QLocalSocket::ConnectionError:
+ errorString = QLocalSocket::tr("%1: Connection error").arg(function);
+ break;
+ case QLocalSocket::UnsupportedSocketOperationError:
+ errorString = QLocalSocket::tr("%1: The socket operation is not supported").arg(function);
+ break;
+ case QLocalSocket::UnknownSocketError:
+ default:
+ errorString = QLocalSocket::tr("%1: Unknown error").arg(function);
+ }
+ return errorString;
+}
+
+void QLocalSocketPrivate::errorOccurred(QLocalSocket::LocalSocketError error, const QString &function)
+{
+ Q_Q(QLocalSocket);
+ switch (error) {
+ case QLocalSocket::ConnectionRefusedError:
+ tcpSocket->setSocketError(QAbstractSocket::ConnectionRefusedError);
+ break;
+ case QLocalSocket::PeerClosedError:
+ tcpSocket->setSocketError(QAbstractSocket::RemoteHostClosedError);
+ break;
+ case QLocalSocket::ServerNotFoundError:
+ tcpSocket->setSocketError(QAbstractSocket::HostNotFoundError);
+ break;
+ case QLocalSocket::SocketAccessError:
+ tcpSocket->setSocketError(QAbstractSocket::SocketAccessError);
+ break;
+ case QLocalSocket::SocketResourceError:
+ tcpSocket->setSocketError(QAbstractSocket::SocketResourceError);
+ break;
+ case QLocalSocket::SocketTimeoutError:
+ tcpSocket->setSocketError(QAbstractSocket::SocketTimeoutError);
+ break;
+ case QLocalSocket::DatagramTooLargeError:
+ tcpSocket->setSocketError(QAbstractSocket::DatagramTooLargeError);
+ break;
+ case QLocalSocket::ConnectionError:
+ tcpSocket->setSocketError(QAbstractSocket::NetworkError);
+ break;
+ case QLocalSocket::UnsupportedSocketOperationError:
+ tcpSocket->setSocketError(QAbstractSocket::UnsupportedSocketOperationError);
+ break;
+ case QLocalSocket::UnknownSocketError:
+ default:
+ tcpSocket->setSocketError(QAbstractSocket::UnknownSocketError);
+ }
+
+ QString errorString = generateErrorString(error, function);
+ q->setErrorString(errorString);
+ emit q->error(error);
+
+ // errors cause a disconnect
+ tcpSocket->setSocketState(QAbstractSocket::UnconnectedState);
+ bool stateChanged = (state != QLocalSocket::UnconnectedState);
+ state = QLocalSocket::UnconnectedState;
+ q->close();
+ if (stateChanged)
+ q->emit stateChanged(state);
+}
+
+void QLocalSocket::connectToServer(const QString &name, OpenMode openMode)
+{
+ Q_D(QLocalSocket);
+ if (state() == ConnectedState
+ || state() == ConnectingState)
+ return;
+
+ d->errorString = QString();
+ d->state = ConnectingState;
+ emit stateChanged(d->state);
+
+ if (name.isEmpty()) {
+ d->errorOccurred(ServerNotFoundError,
+ QLatin1String("QLocalSocket::connectToServer"));
+ return;
+ }
+
+ d->serverName = name;
+ const QLatin1String prefix("QLocalServer/");
+ if (name.startsWith(prefix))
+ d->fullServerName = name;
+ else
+ d->fullServerName = prefix + name;
+
+ QSettings settings(QLatin1String("Trolltech"), QLatin1String("Qt"));
+ bool ok;
+ const quint16 port = settings.value(d->fullServerName).toUInt(&ok);
+ if (!ok) {
+ d->errorOccurred(ServerNotFoundError,
+ QLatin1String("QLocalSocket::connectToServer"));
+ return;
+ }
+ d->tcpSocket->connectToHost(QHostAddress::LocalHost, port, openMode);
+ QIODevice::open(openMode);
+}
+
+bool QLocalSocket::setSocketDescriptor(quintptr socketDescriptor,
+ LocalSocketState socketState, OpenMode openMode)
+{
+ Q_D(QLocalSocket);
+ QAbstractSocket::SocketState newSocketState = QAbstractSocket::UnconnectedState;
+ switch (socketState) {
+ case ConnectingState:
+ newSocketState = QAbstractSocket::ConnectingState;
+ break;
+ case ConnectedState:
+ newSocketState = QAbstractSocket::ConnectedState;
+ break;
+ case ClosingState:
+ newSocketState = QAbstractSocket::ClosingState;
+ break;
+ case UnconnectedState:
+ newSocketState = QAbstractSocket::UnconnectedState;
+ break;
+ }
+ QIODevice::open(openMode);
+ d->state = socketState;
+
+ // Is our parent a localServer? Then it wants us to use its remote socket.
+ QLocalServer* localServer = qobject_cast<QLocalServer*>( parent() );
+ if (localServer) {
+ foreach (QObject* child, localServer->children()) {
+ QTcpSocket* childTcpSocket = qobject_cast<QTcpSocket*>(child);
+ if (childTcpSocket && childTcpSocket->socketDescriptor() == socketDescriptor) {
+ d->setSocket( static_cast<QLocalUnixSocket*>(childTcpSocket) );
+ return true;
+ }
+ }
+ }
+
+ // We couldn't find the socket in the children list of our server.
+ // So it might be that the user wants to set a socket descriptor.
+ return d->tcpSocket->setSocketDescriptor(socketDescriptor,
+ newSocketState, openMode);
+}
+
+quintptr QLocalSocket::socketDescriptor() const
+{
+ Q_D(const QLocalSocket);
+ return d->tcpSocket->socketDescriptor();
+}
+
+qint64 QLocalSocket::readData(char *data, qint64 c)
+{
+ Q_D(QLocalSocket);
+ return d->tcpSocket->readData(data, c);
+}
+
+qint64 QLocalSocket::writeData(const char *data, qint64 c)
+{
+ Q_D(QLocalSocket);
+ return d->tcpSocket->writeData(data, c);
+}
+
+void QLocalSocket::abort()
+{
+ Q_D(QLocalSocket);
+ d->tcpSocket->abort();
+}
+
+qint64 QLocalSocket::bytesAvailable() const
+{
+ Q_D(const QLocalSocket);
+ return QIODevice::bytesAvailable() + d->tcpSocket->bytesAvailable();
+}
+
+qint64 QLocalSocket::bytesToWrite() const
+{
+ Q_D(const QLocalSocket);
+ return d->tcpSocket->bytesToWrite();
+}
+
+bool QLocalSocket::canReadLine() const
+{
+ Q_D(const QLocalSocket);
+ return QIODevice::canReadLine() || d->tcpSocket->canReadLine();
+}
+
+void QLocalSocket::close()
+{
+ Q_D(QLocalSocket);
+ d->tcpSocket->close();
+ d->serverName = QString();
+ d->fullServerName = QString();
+ QIODevice::close();
+}
+
+bool QLocalSocket::waitForBytesWritten(int msecs)
+{
+ Q_D(QLocalSocket);
+ return d->tcpSocket->waitForBytesWritten(msecs);
+}
+
+bool QLocalSocket::flush()
+{
+ Q_D(QLocalSocket);
+ return d->tcpSocket->flush();
+}
+
+void QLocalSocket::disconnectFromServer()
+{
+ Q_D(QLocalSocket);
+ d->tcpSocket->disconnectFromHost();
+}
+
+QLocalSocket::LocalSocketError QLocalSocket::error() const
+{
+ Q_D(const QLocalSocket);
+ switch (d->tcpSocket->error()) {
+ case QAbstractSocket::ConnectionRefusedError:
+ return QLocalSocket::ConnectionRefusedError;
+ case QAbstractSocket::RemoteHostClosedError:
+ return QLocalSocket::PeerClosedError;
+ case QAbstractSocket::HostNotFoundError:
+ return QLocalSocket::ServerNotFoundError;
+ case QAbstractSocket::SocketAccessError:
+ return QLocalSocket::SocketAccessError;
+ case QAbstractSocket::SocketResourceError:
+ return QLocalSocket::SocketResourceError;
+ case QAbstractSocket::SocketTimeoutError:
+ return QLocalSocket::SocketTimeoutError;
+ case QAbstractSocket::DatagramTooLargeError:
+ return QLocalSocket::DatagramTooLargeError;
+ case QAbstractSocket::NetworkError:
+ return QLocalSocket::ConnectionError;
+ case QAbstractSocket::UnsupportedSocketOperationError:
+ return QLocalSocket::UnsupportedSocketOperationError;
+ case QAbstractSocket::UnknownSocketError:
+ return QLocalSocket::UnknownSocketError;
+ default:
+#if defined QLOCALSOCKET_DEBUG
+ qWarning() << "QLocalSocket error not handled:" << d->tcpSocket->error();
+#endif
+ break;
+ }
+ return UnknownSocketError;
+}
+
+bool QLocalSocket::isValid() const
+{
+ Q_D(const QLocalSocket);
+ return d->tcpSocket->isValid();
+}
+
+qint64 QLocalSocket::readBufferSize() const
+{
+ Q_D(const QLocalSocket);
+ return d->tcpSocket->readBufferSize();
+}
+
+void QLocalSocket::setReadBufferSize(qint64 size)
+{
+ Q_D(QLocalSocket);
+ d->tcpSocket->setReadBufferSize(size);
+}
+
+bool QLocalSocket::waitForConnected(int msec)
+{
+ Q_D(QLocalSocket);
+ if (state() != ConnectingState)
+ return (state() == ConnectedState);
+
+ return d->tcpSocket->waitForConnected(msec);
+}
+
+bool QLocalSocket::waitForDisconnected(int msecs)
+{
+ Q_D(QLocalSocket);
+ if (state() == UnconnectedState) {
+ qWarning() << "QLocalSocket::waitForDisconnected() is not allowed in UnconnectedState";
+ return false;
+ }
+ return (d->tcpSocket->waitForDisconnected(msecs));
+}
+
+bool QLocalSocket::waitForReadyRead(int msecs)
+{
+ Q_D(QLocalSocket);
+ if (state() == QLocalSocket::UnconnectedState)
+ return false;
+ return (d->tcpSocket->waitForReadyRead(msecs));
+}
+
+QT_END_NAMESPACE