src/network/socket/qlocalserver_tcp.cpp
changeset 0 1918ee327afb
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtNetwork module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "qlocalserver.h"
       
    43 #include "qlocalserver_p.h"
       
    44 #include "qlocalsocket.h"
       
    45 #include "qlocalsocket_p.h"
       
    46 
       
    47 #include <qhostaddress.h>
       
    48 #include <qsettings.h>
       
    49 #include <qdebug.h>
       
    50 
       
    51 QT_BEGIN_NAMESPACE
       
    52 
       
    53 void QLocalServerPrivate::init()
       
    54 {
       
    55     Q_Q(QLocalServer);
       
    56     q->connect(&tcpServer, SIGNAL(newConnection()), SLOT(_q_onNewConnection()));
       
    57 }
       
    58 
       
    59 bool QLocalServerPrivate::listen(const QString &requestedServerName)
       
    60 {
       
    61     if (!tcpServer.listen(QHostAddress::LocalHost))
       
    62         return false;
       
    63 
       
    64     const QLatin1String prefix("QLocalServer/");
       
    65     if (requestedServerName.startsWith(prefix))
       
    66         fullServerName = requestedServerName;
       
    67     else
       
    68         fullServerName = prefix + requestedServerName;
       
    69 
       
    70     QSettings settings(QLatin1String("Trolltech"), QLatin1String("Qt"));
       
    71     if (settings.contains(fullServerName)) {
       
    72         qWarning("QLocalServer::listen: server name is already in use.");
       
    73         tcpServer.close();
       
    74         return false;
       
    75     }
       
    76 
       
    77     settings.setValue(fullServerName, tcpServer.serverPort());
       
    78     return true;
       
    79 }
       
    80 
       
    81 void QLocalServerPrivate::closeServer()
       
    82 {
       
    83     QSettings settings(QLatin1String("Trolltech"), QLatin1String("Qt"));
       
    84     if (fullServerName == QLatin1String("QLocalServer"))
       
    85         settings.setValue(fullServerName, QVariant());
       
    86     else
       
    87         settings.remove(fullServerName);
       
    88     tcpServer.close();
       
    89 }
       
    90 
       
    91 void QLocalServerPrivate::waitForNewConnection(int msec, bool *timedOut)
       
    92 {
       
    93     if (pendingConnections.isEmpty())
       
    94         tcpServer.waitForNewConnection(msec, timedOut);
       
    95     else if (timedOut)
       
    96         *timedOut = false;
       
    97 }
       
    98 
       
    99 void QLocalServerPrivate::_q_onNewConnection()
       
   100 {
       
   101     Q_Q(QLocalServer);
       
   102     QTcpSocket* tcpSocket = tcpServer.nextPendingConnection();
       
   103     if (!tcpSocket) {
       
   104         qWarning("QLocalServer: no pending connection");
       
   105         return;
       
   106     }
       
   107 
       
   108     tcpSocket->setParent(q);
       
   109     const quintptr socketDescriptor = tcpSocket->socketDescriptor();
       
   110     q->incomingConnection(socketDescriptor);
       
   111 }
       
   112 
       
   113 bool QLocalServerPrivate::removeServer(const QString &name)
       
   114 {
       
   115     const QLatin1String prefix("QLocalServer/");
       
   116     QString serverName;
       
   117     if (name.startsWith(prefix))
       
   118         serverName = name;
       
   119     else
       
   120         serverName = prefix + name;
       
   121 
       
   122     QSettings settings(QLatin1String("Trolltech"), QLatin1String("Qt"));
       
   123     if (settings.contains(serverName))
       
   124         settings.remove(serverName);
       
   125 
       
   126     return true;
       
   127 }
       
   128 
       
   129 QT_END_NAMESPACE