handover.cpp Example File
bttennis/handover.cpp
#include "handover.h"
#include <qnearfieldmanager.h>
#include <qllcpserver.h>
#include <qllcpsocket.h>
#include <qbluetoothlocaldevice.h>
#include <QtCore/QStringList>
static const QLatin1String tennisUri("urn:nfc:sn:com.nokia.qtmobility.tennis");
Handover::Handover(quint16 serverPort, QObject *parent)
: QObject(parent), m_server(new QLlcpServer(this)),
m_client(new QLlcpSocket(this)), m_remote(0), m_serverPort(0), m_localServerPort(serverPort)
{
connect(m_server, SIGNAL(newConnection()), this, SLOT(handleNewConnection()));
m_server->listen(tennisUri);
connect(m_client, SIGNAL(disconnected()), this, SLOT(clientDisconnected()));
connect(m_client, SIGNAL(readyRead()), this, SLOT(readBluetoothService()));
m_client->connectToService(0, tennisUri);
}
Handover::~Handover()
{
}
QBluetoothAddress Handover::bluetoothAddress() const
{
return m_address;
}
quint16 Handover::serverPort() const
{
return m_serverPort;
}
void Handover::handleNewConnection()
{
if (m_remote)
m_remote->deleteLater();
m_remote = m_server->nextPendingConnection();
connect(m_remote, SIGNAL(disconnected()), this, SLOT(remoteDisconnected()));
sendBluetoothService();
}
void Handover::remoteDisconnected()
{
m_remote->deleteLater();
m_remote = 0;
}
void Handover::clientDisconnected()
{
m_client->connectToService(0, tennisUri);
}
void Handover::readBluetoothService()
{
QByteArray rawData = m_client->readAll();
QString data = QString::fromUtf8(rawData.constData(), rawData.size());
QStringList split = data.split(QLatin1Char(' '));
QBluetoothAddress address = QBluetoothAddress(split.at(0));
quint16 port = split.at(1).toUInt();
QBluetoothLocalDevice localDevice;
QBluetoothAddress localAddress = localDevice.address();
if (localAddress < address) {
m_address = address;
m_serverPort = port;
emit bluetoothServiceChanged();
}
}
void Handover::sendBluetoothService()
{
QBluetoothLocalDevice localDevice;
const QString data = localDevice.address().toString() + QLatin1Char(' ') +
QString::number(m_localServerPort);
m_remote->write(data.toUtf8());
}
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