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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt 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 "mobilitysimulatorglobal.h"
#include "mobilityconnection_p.h"
#include "private/qsimulatorconnection_p.h"
#include <QtCore/QCoreApplication>
#include <QtNetwork/QLocalServer>
#include <QtNetwork/QLocalSocket>
QTM_BEGIN_NAMESPACE
using namespace QtSimulatorPrivate;
namespace Simulator {
static const VersionStruct mobilityVersion(1, 1, 0, 0);
MobilityConnection::MobilityConnection(QObject *parent)
: QObject(parent)
, mSendSocket(0)
, mReceiveSocket(0)
{
}
MobilityConnection::~MobilityConnection()
{
delete mReceiveSocket;
mReceiveSocket = 0;
}
MobilityConnection *MobilityConnection::instance()
{
static MobilityConnection *gInstance = 0;
if (!gInstance) {
// ensure the simulator is up and running before trying to
// connect to its mobility subserver
SimulatorConnection::instance();
gInstance = new MobilityConnection();
gInstance->connectToSimulator();
}
return gInstance;
}
void MobilityConnection::addMessageHandler(QObject *handler)
{
mHandlers.append(handler);
}
QLocalSocket *MobilityConnection::sendSocket()
{
return mSendSocket;
}
QLocalSocket *MobilityConnection::receiveSocket()
{
return mReceiveSocket;
}
void MobilityConnection::onReadyRead()
{
mReadBuffer += mReceiveSocket->readAll();
forever {
IncomingRemoteMetacall rpc;
if (rpc.read(&mReadBuffer)) {
// first, check if this can call a slot on this
if (rpc.call(mReceiveSocket, this))
continue;
// then try the registered handlers until one matches
bool handled = false;
foreach (QObject *handler, mHandlers) {
if (rpc.call(mReceiveSocket, handler)) {
handled = true;
break;
}
}
if (handled)
continue;
qWarning("Ignoring a call to %s,", rpc.signature().data());
}
break;
}
}
void MobilityConnection::connectToSimulator()
{
// 1. check availability
QLocalSocket *socket = new QLocalSocket;
QString simVersion = SimulatorConnection::instance()->simulatorVersion().toString();
socket->connectToServer(QLatin1String(SIMULATOR_MOBILITY_SERVERNAME) + simVersion, QLocalSocket::ReadWrite);
if (!socket->waitForConnected(1000)) {
qFatal("Could not connect to mobility server");
socket->deleteLater();
return;
}
mSendSocket = socket;
// 2. Create the local server used for initiating the backchannel.
const qint64 pid = QCoreApplication::applicationPid();
QLocalServer *server = new QLocalServer(this);
if (!server->listen(qt_mobilityServerName(simVersion, pid)))
qFatal("Can't create local mobility server for this application.");
// 3. Send initial application connect command.
ApplicationConnectCommand command;
ApplicationConnectCommand::Request &request = command.request;
request.applicationPid = pid;
request.applicationName[0] = 0;
request.version = mobilityVersion;
qt_sendAndReceiveApplicationConnect(socket, command);
mSimulatorVersion = command.reply.version;
// We usually want to get the initial state from the simulator directly, probably
// before the event loop is started up. Hence we block until the simulator has established
// the back channel.
if (!server->waitForNewConnection(1000))
qFatal("Simulator didn't establish mobility-backchannel on time");
mReceiveSocket = server->nextPendingConnection();
server->close();
connect(mReceiveSocket, SIGNAL(readyRead()), SLOT(onReadyRead()));
}
} // end namespace Simulator
#include "moc_mobilityconnection_p.cpp"
QTM_END_NAMESPACE
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