/**************************************************************************** ** ** 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. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names ** of its contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "tennisclient.h" #include #include #include #include TennisClient::TennisClient(QObject *parent) : QObject(parent), socket(0), stream(0), elapsed(new QTime), lagTimeout(0) { lagTimer.setInterval(1000); connect(&lagTimer, SIGNAL(timeout()), this, SLOT(sendEcho())); } TennisClient::~TennisClient() { stopClient(); } //! [startClient] void TennisClient::startClient(const QBluetoothServiceInfo &remoteService) { if (socket) return; serviceInfo = remoteService; // Connect to service socket = new QBluetoothSocket(QBluetoothSocket::L2capSocket); qDebug() << "Create socket"; socket->connectToService(remoteService); qDebug() << "ConnecttoService done"; connect(socket, SIGNAL(readyRead()), this, SLOT(readSocket())); connect(socket, SIGNAL(connected()), this, SLOT(connected())); connect(socket, SIGNAL(disconnected()), this, SIGNAL(disconnected())); connect(socket, SIGNAL(disconnected()), this, SLOT(socketDisconnected())); connect(socket, SIGNAL(error(QBluetoothSocket::SocketError)), this, SLOT(error(QBluetoothSocket::SocketError))); lagTimer.start(); } //! [startClient] //! [stopClient] void TennisClient::stopClient() { if(socket == 0) // already stopped return; qDebug() << Q_FUNC_INFO << "closing client!"; lagTimer.stop(); delete stream; stream = 0; socket->deleteLater(); socket = 0; } //! [stopClient] //! [socketDisconnected] void TennisClient::socketDisconnected() { qDebug() << "Got socketDisconnected"; stopClient(); } //! [socketDisconnected] //! [readSocket] void TennisClient::readSocket() { if (!socket) return; while (socket->bytesAvailable()) { QString str; *stream >> str; QStringList args = str.split(QChar(' ')); QString s = args.takeFirst(); if(s == "m" && args.count() == 2) { emit moveBall(args.at(0).toInt(), args.at(1).toInt()); } else if(s == "s" && args.count() == 2){ emit score(args.at(0).toInt(), args.at(1).toInt()); } else if(s == "l" && args.count() == 1){ emit moveLeftPaddle(args.at(0).toInt()); } else if(s == "e"){ // echo QByteArray b; QDataStream s(&b, QIODevice::WriteOnly); s << str; socket->write(b); } else if(s == "E"){ lagTimeout = 0; QTime then = QTime::fromString(args.at(0), "hh:mm:ss.zzz"); if(then.isValid()) { emit lag(then.msecsTo(QTime::currentTime())); // qDebug() << "RTT: " << then.msecsTo(QTime::currentTime()) << "ms"; } } else { qDebug() << Q_FUNC_INFO << "Unknown command" << str; } } } //! [readSocket] //! [moveRightPaddle] void TennisClient::moveRightPaddle(int y) { int msec = elapsed->elapsed(); if(stream && msec > 50) { QByteArray b; QDataStream s(&b, QIODevice::WriteOnly); s << QString("r %1").arg(y); socket->write(b); elapsed->restart(); } } //! [moveRightPaddle] //! [connected] void TennisClient::connected() { stream = new QDataStream(socket); emit connected(socket->peerName()); } //! [connected] void TennisClient::error(QBluetoothSocket::SocketError err) { qDebug() << "Got socket error" <write(b); lagTimeout = 10; } }