Qt 5.9 | Qt 3D | Qt 3D: Planets QML Example | networkcontroller.cpp Example File

Qt 5.9.3 Reference Documentation

# networkcontroller.cpp Example File

planets-qml/networkcontroller.cpp

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      #include "networkcontroller.h"

      NetworkController::NetworkController(QObject *parent) :
          QObject(parent)
      {
          QObject::connect(&m_server, &QTcpServer::newConnection, this, &NetworkController::newConnection);

          if (!m_server.listen(QHostAddress::Any, 8080)) {
              qDebug() << "Failed to run http server";
          }
      }

      void NetworkController::newConnection()
      {
          QTcpSocket *socket = m_server.nextPendingConnection();

          if (!socket)
              return;

          QObject::connect(socket, &QAbstractSocket::disconnected, this, &NetworkController::disconnected);
          QObject::connect(socket, &QIODevice::readyRead, this, &NetworkController::readyRead);
      }

      void NetworkController::disconnected()
      {
          QTcpSocket *socket = qobject_cast<QTcpSocket *>(sender());
          if (!socket)
              return;

          socket->disconnect();
          socket->deleteLater();
      }

      void NetworkController::readyRead()
      {
          QTcpSocket *socket = qobject_cast<QTcpSocket *>(sender());
          if (!socket || socket->state() == QTcpSocket::ClosingState)
              return;

          QString requestData = socket->readAll();
          QStringList list = requestData.split(' ');
          QString path = list[1];
          list = path.split('/');

          QByteArray reply;
          if (list.count() == 3) {
              socket->write("HTTP/1.1 200 OK\r\n");
              reply = QStringLiteral("Command accepted: %1 %2").arg(list[1], list[2]).toUtf8();
              emit commandAccepted(list[1], list[2]);
          } else {
              socket->write("HTTP/1.1 404 Not Found\r\n");
              reply = "Command rejected";
          }

          socket->write("Content-Type: text/plain\r\n");
          socket->write(QStringLiteral("Content-Length: %1\r\n").arg(reply.size()).toUtf8());
          socket->write("Connection: close\r\n");
          socket->write("\r\n");
          socket->write(reply);
          socket->disconnectFromHost();
      }