nymea/plugins/deviceplugins/lgsmarttv/tveventhandler.cpp

111 lines
4.0 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* Copyright (C) 2015 Simon Stuerz <simon.stuerz@guh.guru> *
* *
* This file is part of guh. *
* *
* Guh 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, version 2 of the License. *
* *
* Guh 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 guh. If not, see <http://www.gnu.org/licenses/>. *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "tveventhandler.h"
#include "loggingcategories.h"
TvEventHandler::TvEventHandler(QObject *parent, QHostAddress host, int port) :
QTcpServer(parent),m_host(host),m_port(port)
{
listen(QHostAddress::AnyIPv4,m_port);
m_disabled = false;
m_expectingData = false;
//TODO: handle ip address change (dhcp) notification from the tv!
}
void TvEventHandler::incomingConnection(qintptr socket)
{
if(m_disabled){
return;
}
QTcpSocket* tcpSocket = new QTcpSocket(this);
connect(tcpSocket, &QTcpSocket::readyRead, this, &TvEventHandler::readClient);
connect(tcpSocket, &QTcpSocket::disconnected, this, &TvEventHandler::discardClient);
tcpSocket->setSocketDescriptor(socket);
qCDebug(dcLgSmartTv) << "incomming connection" << tcpSocket->peerAddress().toString() << tcpSocket->peerName();
}
void TvEventHandler::readClient()
{
if(m_disabled){
return;
}
QTcpSocket* socket = (QTcpSocket*)sender();
// reject everything, except the tv
if(socket->peerAddress() != m_host){
qCWarning(dcLgSmartTv) << "reject connection from " << socket->peerAddress().toString();
socket->close();
if (socket->state() == QTcpSocket::UnconnectedState) {
delete socket;
}
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 occured" << "http://" << m_host.toString() << ":" << m_port << tokens[1];
}
}
}
void TvEventHandler::discardClient()
{
QTcpSocket* socket = (QTcpSocket*)sender();
socket->deleteLater();
}
void TvEventHandler::enable()
{
m_disabled = false;
}
void TvEventHandler::disable()
{
m_disabled = true;
}