nymea/plugins/deviceplugins/lgsmarttv/tveventhandler.cpp

94 lines
4.0 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* Copyright (C) 2015 Simon Stürz <simon.stuerz@guh.io> *
* *
* This file is part of guh. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; If not, see *
* <http://www.gnu.org/licenses/>. *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "tveventhandler.h"
#include "extern-plugininfo.h"
TvEventHandler::TvEventHandler(const QHostAddress &host, const int &port, QObject *parent) :
QTcpServer(parent),
m_host(host),
m_port(port),
m_expectingData(false)
{
listen(QHostAddress::AnyIPv4, m_port);
}
void TvEventHandler::incomingConnection(qintptr socket)
{
QTcpSocket* tcpSocket = new QTcpSocket(this);
tcpSocket->setSocketDescriptor(socket);
qCDebug(dcLgSmartTv) << "Event handler -> incoming connection" << tcpSocket->peerAddress().toString() << tcpSocket->peerName();
connect(tcpSocket, &QTcpSocket::readyRead, this, &TvEventHandler::readClient);
connect(tcpSocket, &QTcpSocket::disconnected, this, &TvEventHandler::onDisconnected);
}
void TvEventHandler::readClient()
{
QTcpSocket* socket = (QTcpSocket*)sender();
// reject everything, except the tv
if(socket->peerAddress() != m_host){
socket->close();
socket->deleteLater();
qCWarning(dcLgSmartTv) << "Event handler -> rejecting connection from " << socket->peerAddress().toString();
return;
}
// the tv sends first the header (POST /udap/api/.... HTTP/1.1)
// in the scond package the tv sends the information (xml format)
while(!socket->atEnd()){
QByteArray data = socket->readAll();
// check if we got information
if(data.startsWith("<?xml") && m_expectingData){
m_expectingData = false;
// Answere with OK
QTextStream textStream(socket);
textStream.setAutoDetectUnicode(true);
textStream << "HTTP/1.0 200 OK\r\n"
"Content-Type: text/html; charset=\"utf-8\"\r\n"
"User-Agent: UDAP/2.0 guh\r\n"
<< "Date: " << QDateTime::currentDateTime().toString() << "\n";
emit eventOccured(data);
}
// check if we got header
if (data.startsWith("POST") && !m_expectingData) {
m_expectingData = true;
QStringList tokens = QString(data).split(QRegExp("[ \r\n][ \r\n]*"));
qCDebug(dcLgSmartTv) << "event handler -> event occured" << "http://" << m_host.toString() << ":" << m_port << tokens[1];
}
}
}
void TvEventHandler::onDisconnected()
{
QTcpSocket* socket = (QTcpSocket*)sender();
qCDebug(dcLgSmartTv) << "event handler -> client disconnected" << socket->peerAddress();
socket->deleteLater();
}