Initial commit

Lts/Tools/EgcuSimulator/egcu_simulator.cpp

@@ -0,0 +1,143 @@
+#include "egcu_simulator.h"
+
+QVector<int> relayStates = {0,0,0,0,0,0,0,0};
+
+QByteArray createHttpResponse(int statusCode, const QString &contentType, const QString &body)
+{
+  QString statusText;
+  switch (statusCode)
+  {
+  case 200: statusText = QStringLiteral("OK"); break;
+  case 404: statusText = QStringLiteral("Not Found"); break;
+  case 405: statusText = QStringLiteral("Method Not Allowed"); break;
+  default: statusText = QStringLiteral("Error"); break;
+  }
+
+  QString response;
+  response.append(QString(QStringLiteral("HTTP/1.1 %1 %2\r\n")).arg(statusCode).arg(statusText));
+  response.append(QString(QStringLiteral("Content-Type: %1\r\n")).arg(contentType));
+  response.append(QString(QStringLiteral("Content-Length: %1\r\n")).arg(body.toUtf8().size()));
+  response.append(QString(QStringLiteral("Connection: close\r\n\r\n")));
+  QByteArray responseBa = response.toUtf8();
+  responseBa.append(body.toUtf8());
+  return responseBa;
+}
+
+QString sendState()
+{
+  int i = 0;
+  QString stateString;
+  for (int value : qAsConst(relayStates))
+  {
+    QString state = QStringLiteral("\"");
+    state += QString::number(i);
+
+    if (value == 0)
+      state +=QStringLiteral("\":\"off\",");
+    else
+      state +=QStringLiteral("\":\"on\",");
+    i++;
+
+    stateString += state;
+  }
+
+  stateString.chop(1);
+
+  //return createHttpResponse(200, "text/html", "{\"ID\":\"0x520\",\"Name\":\"Relay Report\",\"State\":{\"0\":\"on\",\"1\":\"off\",\"2\":\"off\",\"3\":\"off\",\"4\":\"off\",\"5\":\"off\",\"6\":\"off\",\"7\":\"off\"}}");
+  QString resultString = QStringLiteral("{\"ID\":\"0x520\",\"Name\":\"Relay Report\",\"State\":{");
+  resultString += stateString;
+  resultString += QStringLiteral("}}");
+  qDebug() << "resultString=" << resultString << "\n";
+  return resultString;
+}
+
+
+QByteArray processRequest(const QByteArray &request)
+{
+  qDebug() << "processRequest:\n" << request;
+  QString requestStr = QString::fromUtf8( request);
+  // Parsen der HTTP-Request-Zeile
+  QStringList lines = requestStr.split(QStringLiteral("\r\n"));
+  QStringList requestLine = lines.first().split(QStringLiteral(" "));
+  QString method = requestLine.value(0);
+  QString path = requestLine.value(1);
+
+  // GET-Anfrage verarbeiten
+  if (method == QStringLiteral("GET"))
+  {
+    qDebug() << "GET path='" << path << "'\n";
+    if (path == QStringLiteral("/"))
+      return createHttpResponse(200, QStringLiteral("text/html"), QStringLiteral("<h1>EGCU-Simulator</h1>"));
+    if (path == QStringLiteral("/relay.php?state=3"))
+    {
+      return createHttpResponse(200, QStringLiteral("text/html"), sendState());
+    }
+    else if (path.contains(QStringLiteral("relay.php"))&&path.contains(QStringLiteral("number")))
+    {
+      // number=0&state=1
+      int startNumberStr= path.indexOf(QStringLiteral("number="));
+      int startNumber = startNumberStr+7;
+      QString numberStr = path.mid(startNumber,1);
+      int number = numberStr.toInt();
+
+      int startStateStr= path.indexOf(QStringLiteral("state="));
+      int startState = startStateStr+6;
+      QString stateStr = path.mid(startState,1);
+      int state = stateStr.toInt();
+
+      relayStates[number] = state;
+
+      qDebug() << "Relais wird geschaltet"
+               << " number=" << number
+               << " state=" << state << " \n";
+
+      return createHttpResponse(200, QStringLiteral("text/html"), sendState());
+    }
+    else if (path == QStringLiteral("/about"))
+      return createHttpResponse(200, QStringLiteral("text/html"),QStringLiteral( "</h1>über uns: Qt Webserver</h1>"));
+    else
+      return createHttpResponse(404, QStringLiteral("text/html"), QStringLiteral("<h1>404 - Seite nicht gefunden</h1>"));
+  }
+
+  // POST-Anfrage verarbeiten        if (method == "POST") {
+  QString postData = lines.last(); // POST-Daten befinden sich in der letzten Zeile            qDebug() << "POST-Daten:" << postData;
+
+  QString responseStr = QStringLiteral("{\"status\": \"success\", \"data\": \"");
+  responseStr += postData;
+  responseStr += QStringLiteral("\"}");
+
+//  return createHttpResponse(200, QStringLiteral("application/json"),
+//                            QString("{\"status\": \"success\", \"data\": \"%1\"}").arg(postData));
+    return createHttpResponse(200, QStringLiteral("application/json"),responseStr);
+
+}
+
+
+
+
+void SimpleWebServer::incomingConnection(qintptr socketDescriptor)
+{
+  // Bei neuer Verbindung
+  QTcpSocket *clientSocket = new QTcpSocket(this);
+  clientSocket->setSocketDescriptor(socketDescriptor);
+
+  connect(clientSocket, &QTcpSocket::readyRead, [clientSocket]()
+  {
+    // HTTP-Anfrage lesen
+    QByteArray request = clientSocket->readAll();
+    qDebug() << "Anfrage erhalten:\n" << request;
+
+    // Verarbeite die Anfrage
+    QByteArray response = processRequest(request);
+
+    // Antwort senden
+    clientSocket->write(response);
+    clientSocket->disconnectFromHost();
+
+  });
+
+  connect(clientSocket, &QTcpSocket::disconnected, clientSocket, &QTcpSocket::deleteLater);
+
+  qDebug() << "Neue Verbindung von:" << clientSocket->peerAddress().toString();
+}
+