src/Xpl2Client.h


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/**
 * @file   Xpl2Client.h
 * @brief  TCP client for the Alchemie XPL2 printhead protocol.
 */
#pragma once

#include "Xpl2Protocol.h"

#include <QObject>
#include <QQmlEngine>
#include <QTcpSocket>

class Xpl2Client : public QObject
{
  Q_OBJECT
  QML_ELEMENT
  QML_SINGLETON

  Q_PROPERTY (QString host READ host WRITE setHost NOTIFY hostChanged)
  Q_PROPERTY (bool connected READ isConnected NOTIFY connectedChanged)
  Q_PROPERTY (int controllerId READ controllerId NOTIFY jcVersionReceived)
  Q_PROPERTY (
      QString firmwareVersion READ firmwareVersion NOTIFY jcVersionReceived)
  Q_PROPERTY (
      QString hardwareVersion READ hardwareVersion NOTIFY jcVersionReceived)
  Q_PROPERTY (int printheadCount READ printheadCount NOTIFY jcVersionReceived)

public:
  explicit Xpl2Client (QObject *parent = nullptr);

  QString host () const;
  void setHost (const QString &host);

  bool isConnected () const;

  int controllerId () const;
  QString firmwareVersion () const;
  QString hardwareVersion () const;
  int printheadCount () const;

  static void enableWireDebug ();

  Q_INVOKABLE void connectToServer ();
  Q_INVOKABLE void disconnectFromServer ();
  Q_INVOKABLE void getJcVersion ();

signals:
  void hostChanged ();
  void connectedChanged ();
  void errorOccurred (const QString &error);
  void statusMessage (const QString &message);
  void jcVersionReceived ();

private slots:
  void onSocketConnected ();
  void onSocketDisconnected ();
  void onSocketMessageReady ();
  void onSocketError (QAbstractSocket::SocketError error);

private:
  void sendCommand (QTcpSocket &socket, const QByteArray &command,
                    const QVariantList &params = {});
  void dispatchCommandMessage (const Xpl2Protocol::ParsedMessage &msg);
  void dispatchImagingMessage (const Xpl2Protocol::ParsedMessage &msg);
  void dispatchStatusMessage (const Xpl2Protocol::ParsedMessage &msg);
  void handleKaPing (QTcpSocket &socket);
  void handleGsJcVersion (const QVariantList &params);
  void updateConnectedState ();
  QString logTag (const QTcpSocket *socket) const;

  QTcpSocket m_commandSocket;
  QTcpSocket m_imagingSocket;
  QTcpSocket m_statusSocket;
  QString m_host = QStringLiteral ("127.0.0.1");
  quint16 m_commandPort = 9110;
  quint16 m_imagingPort = 9111;
  quint16 m_statusPort = 9112;
  bool m_connected = false;
  static bool s_wireDebug;
  int m_controllerId = 0;
  QString m_firmwareVersion;
  QString m_hardwareVersion;
  int m_printheadCount = 0;
};