+++ /dev/null
-/****************************************************************************
-**
-** Copyright (C) 2015 The Qt Company Ltd.
-** Copyright (C) 2016-2020 Ivailo Monev
-**
-** This file is part of the QtNetwork module of the Katie Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-**
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** As a special exception, The Qt Company gives you certain additional
-** rights. These rights are described in The Qt Company LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#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 QTcpSocket);
-}
-
-void QLocalSocketPrivate::setSocket(QTcpSocket* 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.clear();
- fullServerName.clear();
- 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.clear();
- 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("Katie"), 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( 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.clear();
- d->fullServerName.clear();
- 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
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