nymea/plugins/deviceplugins/mock/httpdaemon.cpp

142 lines
4.4 KiB
C++

#include "httpdaemon.h"
#include "device.h"
#include "deviceclass.h"
#include "deviceplugin.h"
#include "statetype.h"
#include <QTcpSocket>
#include <QDebug>
#include <QDateTime>
#include <QUrlQuery>
HttpDaemon::HttpDaemon(Device *device, DevicePlugin *parent):
QTcpServer(parent), disabled(false), m_plugin(parent), m_device(device)
{
listen(QHostAddress::Any, device->params().value("httpport").toInt());
}
void HttpDaemon::incomingConnection(qintptr socket)
{
qDebug() << "incoming connection";
if (disabled)
return;
// When a new client connects, the server constructs a QTcpSocket and all
// communication with the client is done over this QTcpSocket. QTcpSocket
// works asynchronously, this means that all the communication is done
// in the two slots readClient() and discardClient().
QTcpSocket* s = new QTcpSocket(this);
connect(s, SIGNAL(readyRead()), this, SLOT(readClient()));
connect(s, SIGNAL(disconnected()), this, SLOT(discardClient()));
s->setSocketDescriptor(socket);
}
void HttpDaemon::pause()
{
disabled = true;
}
void HttpDaemon::resume()
{
disabled = false;
}
void HttpDaemon::readClient()
{
if (disabled)
return;
// This slot is called when the client sent data to the server. The
// server looks if it was a get request and sends a very simple HTML
// document back.
QTcpSocket* socket = (QTcpSocket*)sender();
if (socket->canReadLine()) {
QByteArray data = socket->readLine();
QStringList tokens = QString(data).split(QRegExp("[ \r\n][ \r\n]*"));
qDebug() << "incoming data" << tokens[1];
if (tokens[1].contains('?')) {
QUrl url("http://foo.bar" + tokens[1]);
QUrlQuery query(url);
qDebug() << "query is" << url.path();
if (url.path() == "/setstate") {
emit setState(QUuid(query.queryItems().first().first), QVariant(query.queryItems().first().second));
} else if (url.path() == "/generateevent") {
qDebug() << "got generateevent" << query.queryItemValue("eventid");
emit triggerEvent(QUuid(query.queryItemValue("eventid")));
}
}
if (tokens[0] == "GET") {
QTextStream os(socket);
os.setAutoDetectUnicode(true);
os << generateWebPage();
socket->close();
qDebug() << "Wrote to client";
if (socket->state() == QTcpSocket::UnconnectedState) {
delete socket;
qDebug() << "Connection closed";
}
}
}
}
void HttpDaemon::discardClient()
{
QTcpSocket* socket = (QTcpSocket*)sender();
socket->deleteLater();
qDebug() << "Connection closed";
}
QString HttpDaemon::generateWebPage()
{
DeviceClass deviceClass = m_plugin->supportedDevices().first();
QString contentHeader(
"HTTP/1.0 200 Ok\r\n"
"Content-Type: text/html; charset=\"utf-8\"\r\n"
"\r\n"
);
QString body = QString(
"<html>"
"<body>"
"<h1>Mock device Controller</h1>\n"
"Name: %1<br>"
"ID: %2<br>"
"DeviceClass ID: %3<br>").arg(m_device->name()).arg(m_device->id().toString()).arg(deviceClass.id().toString());
body.append("<table>");
for (int i = 0; i < deviceClass.states().count(); ++i) {
body.append("<tr>");
body.append("<form action=\"/setstate\" method=\"get\">");
const StateType &stateType = deviceClass.states().at(i);
body.append("<td>" + stateType.name() + "</td>");
body.append(QString("<td><input type='input'' name='%1' value='%2'></td>").arg(stateType.id().toString()).arg(m_device->states().at(i).value().toString()));
body.append("<td><input type=submit value='Set State'/></td>");
body.append("</form>");
body.append("</tr>");
}
body.append("</table>");
body.append("<table>");
for (int i = 0; i < deviceClass.events().count(); ++i) {
const EventType &eventType = deviceClass.events().at(i);
body.append(QString(
"<tr>"
"<form action=\"/generateevent\" method=\"get\">"
"<td>Event %1<input type='hidden' name='eventid' value='%2'/></td>"
"<td><input type='submit' value='Generate'/></td>"
"</form>"
"</tr>"
).arg(eventType.name()).arg(eventType.id().toString()));
}
body.append("</table>");
body.append("</body></html>\n");
return contentHeader + body;
}