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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qplatformdefs.h"
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#include "qwssocket_qws.h"
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#ifndef QT_NO_QWS_MULTIPROCESS
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#include <fcntl.h>
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#include <netdb.h>
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#include <errno.h>
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#include <stdio.h>
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#include <sys/file.h>
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#include <sys/time.h>
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#include <sys/un.h>
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#ifdef __MIPSEL__
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# ifndef SOCK_DGRAM
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# define SOCK_DGRAM 1
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# endif
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# ifndef SOCK_STREAM
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# define SOCK_STREAM 2
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# endif
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#endif
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#if defined(Q_OS_SOLARIS) || defined (QT_LINUXBASE)
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// uff-da apparently Solaris doesn't have the SUN_LEN macro, here is
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// an implementation of it...
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# ifndef SUN_LEN
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# define SUN_LEN(su) \
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sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path)
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# endif
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// nor the POSIX names of UNIX domain sockets *sigh*
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# ifndef AF_LOCAL
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# define AF_LOCAL AF_UNIX
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# endif
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# ifndef PF_LOCAL
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# define PF_LOCAL PF_UNIX
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# endif
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#endif // Q_OS_SOLARIS || QT_LINUXBASE
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QT_BEGIN_NAMESPACE
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/***********************************************************************
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*
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* QWSSocket
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*
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**********************************************************************/
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QWSSocket::QWSSocket(QObject *parent)
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: QWS_SOCK_BASE(parent)
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{
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#ifndef QT_NO_SXE
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QObject::connect( this, SIGNAL(stateChanged(SocketState)),
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this, SLOT(forwardStateChange(SocketState)));
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#endif
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}
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QWSSocket::~QWSSocket()
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{
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}
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#ifndef QT_NO_SXE
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QString QWSSocket::errorString()
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{
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switch (QUnixSocket::error()) {
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case NoError:
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return QString();
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case InvalidPath:
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case NonexistentPath:
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return QLatin1String("Bad path"); // NO_TR
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default:
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return QLatin1String("Bad socket"); // NO TR
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}
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}
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void QWSSocket::forwardStateChange(QUnixSocket::SocketState st )
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{
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switch ( st )
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{
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case ConnectedState:
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emit connected();
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break;
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case ClosingState:
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break;
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case UnconnectedState:
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emit disconnected();
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break;
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default:
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// nothing
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break;
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}
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if ( QUnixSocket::error() != NoError )
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emit error((QAbstractSocket::SocketError)0);
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}
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#endif
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bool QWSSocket::connectToLocalFile(const QString &file)
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{
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#ifndef QT_NO_SXE
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bool result = QUnixSocket::connect( file.toLocal8Bit() );
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if ( !result )
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{
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perror( "QWSSocketAuth::connectToLocalFile could not connect:" );
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emit error(QAbstractSocket::ConnectionRefusedError);
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return false;
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}
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return true;
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#else
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// create socket
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int s = ::socket(PF_LOCAL, SOCK_STREAM, 0);
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// connect to socket
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struct sockaddr_un a;
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memset(&a, 0, sizeof(a));
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a.sun_family = PF_LOCAL;
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strncpy(a.sun_path, file.toLocal8Bit().constData(), sizeof(a.sun_path) - 1);
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int r = ::connect(s, (struct sockaddr*)&a, SUN_LEN(&a));
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if (r == 0) {
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setSocketDescriptor(s);
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} else {
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perror("QWSSocket::connectToLocalFile could not connect:");
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::close(s);
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emit error(ConnectionRefusedError);
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return false;
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}
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#endif
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return true;
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}
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/***********************************************************************
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*
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* QWSServerSocket
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*
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**********************************************************************/
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QWSServerSocket::QWSServerSocket(const QString& file, QObject *parent)
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#ifndef QT_NO_SXE
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: QUnixSocketServer(parent)
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#else
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: QTcpServer(parent)
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#endif
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{
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init(file);
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}
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void QWSServerSocket::init(const QString &file)
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{
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#ifndef QT_NO_SXE
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QByteArray fn = file.toLocal8Bit();
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bool result = QUnixSocketServer::listen( fn );
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if ( !result )
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{
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QUnixSocketServer::ServerError err = serverError();
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switch ( err )
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{
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case InvalidPath:
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qWarning("QWSServerSocket:: invalid path %s", qPrintable(file));
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break;
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case ResourceError:
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case BindError:
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case ListenError:
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qWarning("QWSServerSocket:: could not listen on path %s", qPrintable(file));
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break;
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default:
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break;
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}
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}
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#else
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int backlog = 16; //#####
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// create socket
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int s = ::socket(PF_LOCAL, SOCK_STREAM, 0);
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if (s == -1) {
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perror("QWSServerSocket::init");
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qWarning("QWSServerSocket: unable to create socket.");
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return;
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}
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QByteArray fn = file.toLocal8Bit();
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unlink(fn.constData()); // doesn't have to succeed
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// bind socket
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struct sockaddr_un a;
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memset(&a, 0, sizeof(a));
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a.sun_family = PF_LOCAL;
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strncpy(a.sun_path, fn.constData(), sizeof(a.sun_path) - 1);
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int r = ::bind(s, (struct sockaddr*)&a, SUN_LEN(&a));
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if (r < 0) {
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perror("QWSServerSocket::init");
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qWarning("QWSServerSocket: could not bind to file %s", fn.constData());
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::close(s);
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return;
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}
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if (chmod(fn.constData(), 0600) < 0) {
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perror("QWSServerSocket::init");
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qWarning("Could not set permissions of %s", fn.constData());
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::close(s);
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return;
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}
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// listen
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if (::listen(s, backlog) == 0) {
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if (!setSocketDescriptor(s))
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qWarning( "QWSServerSocket could not set descriptor %d : %s", s, errorString().toLatin1().constData());
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} else {
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perror("QWSServerSocket::init");
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qWarning("QWSServerSocket: could not listen to file %s", fn.constData());
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::close(s);
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}
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#endif
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}
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QWSServerSocket::~QWSServerSocket()
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{
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}
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#ifndef QT_NO_SXE
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void QWSServerSocket::incomingConnection(int socketDescriptor)
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{
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inboundConnections.append( socketDescriptor );
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emit newConnection();
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}
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QWSSocket *QWSServerSocket::nextPendingConnection()
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{
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QMutexLocker locker( &ssmx );
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if ( inboundConnections.count() == 0 )
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return 0;
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QWSSocket *s = new QWSSocket();
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s->setSocketDescriptor( inboundConnections.takeFirst() );
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return s;
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}
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#endif // QT_NO_SXE
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QT_END_NAMESPACE
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#endif //QT_NO_QWS_MULTIPROCESS
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