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/*=====================================================================
QGroundControl Open Source Ground Control Station
(c) 2009 - 2014 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
This file is part of the QGROUNDCONTROL project
QGROUNDCONTROL is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
QGROUNDCONTROL is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
======================================================================*/
#include "TCPLoopBackServer.h"
/// @file
/// @brief Simple TCP loop back server
///
/// @author Don Gagne <don@thegagnes.com>
TCPLoopBackServer::TCPLoopBackServer(QHostAddress hostAddress, quint16 port) :
_hostAddress(hostAddress),
_port(port),
_tcpSocket(NULL)
{
moveToThread(this);
start(HighPriority);
}
void TCPLoopBackServer::run(void)
{
// Start the server side
_tcpServer = new QTcpServer(this);
Q_CHECK_PTR(_tcpServer);
bool connected = QObject::connect(_tcpServer, SIGNAL(newConnection()), this, SLOT(_newConnection()));
Q_ASSERT(connected);
Q_UNUSED(connected); // Fix initialized-but-not-referenced warning on release builds
Q_ASSERT(_tcpServer->listen(_hostAddress, _port));
// Fall into main event loop
exec();
}
void TCPLoopBackServer::_newConnection(void)
{
Q_ASSERT(_tcpServer);
_tcpSocket = _tcpServer->nextPendingConnection();
Q_ASSERT(_tcpSocket);
bool connected = QObject::connect(_tcpSocket, SIGNAL(readyRead()), this, SLOT(_readBytes()));
Q_ASSERT(connected);
Q_UNUSED(connected); // Fix initialized-but-not-referenced warning on release builds
}
void TCPLoopBackServer::_readBytes(void)
{
Q_ASSERT(_tcpSocket);
QByteArray bytesIn = _tcpSocket->read(_tcpSocket->bytesAvailable());
Q_ASSERT(_tcpSocket->write(bytesIn) == bytesIn.count());
Q_ASSERT(_tcpSocket->waitForBytesWritten(1000));
}