ftpdatachannel.cpp Example File | Qt SCXML 5.9

Qt 5.9 | Qt SCXML | Qt SCXML FTP Client Example | ftpdatachannel.cpp Example File

Qt 5.9.2 Reference Documentation

# ftpdatachannel.cpp Example File

ftpclient/ftpdatachannel.cpp

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      #include "ftpdatachannel.h"

      FtpDataChannel::FtpDataChannel(QObject *parent) : QObject(parent)
      {
          connect(&m_server, &QTcpServer::newConnection, this, [this]() {
              m_socket.reset(m_server.nextPendingConnection());
              connect(m_socket.data(), &QTcpSocket::readyRead, [this]() {
                  emit dataReceived(m_socket->readAll());
              });
          });
      }

      void FtpDataChannel::listen(const QHostAddress &address)
      {
          m_server.listen(address);
      }

      void FtpDataChannel::sendData(const QByteArray &data)
      {
          if (m_socket)
              m_socket->write(QByteArray(data).replace("\n", "\r\n"));
      }

      void FtpDataChannel::close()
      {
          if (m_socket)
              m_socket->disconnectFromHost();
      }

      QString FtpDataChannel::portspec() const
      {
          // Yes, this is a weird format, but say hello to FTP.
          QString portSpec;
          quint32 ipv4 = m_server.serverAddress().toIPv4Address();
          quint16 port = m_server.serverPort();
          portSpec += QString::number((ipv4 & 0xff000000) >> 24);
          portSpec += ',' + QString::number((ipv4 & 0x00ff0000) >> 16);
          portSpec += ',' + QString::number((ipv4 & 0x0000ff00) >> 8);
          portSpec += ',' + QString::number(ipv4 & 0x000000ff);
          portSpec += ',' + QString::number((port & 0xff00) >> 8);
          portSpec += ',' + QString::number(port &0x00ff);
          return portSpec;
      }