ttkWebSocketIO.h

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#pragma once
 
// VTK Module
#include <ttkWebSocketIOModule.h>
 
// VTK Includes
#include <ttkAlgorithm.h>
#include <vtkSmartPointer.h>
 
class vtkDataObject;
class vtkMultiBlockDataSet;
 
// TTK Base Includes
#include <WebSocketIO.h>
 
class TTKWEBSOCKETIO_EXPORT ttkWebSocketIO : public ttkAlgorithm,
                                             protected ttk::WebSocketIO {
private:
  int PortNumber{9285};
  bool NeedsUpdate{false};
 
  vtkSmartPointer<vtkDataObject> LastInput;
  vtkSmartPointer<vtkMultiBlockDataSet> LastOutput;
 
public:
  static ttkWebSocketIO *New();
  vtkTypeMacro(ttkWebSocketIO, ttkAlgorithm);
 
  vtkSetMacro(PortNumber, int);
  vtkGetMacro(PortNumber, int);
 
  vtkSetMacro(NeedsUpdate, bool);
  vtkGetMacro(NeedsUpdate, bool);
 
  int processEvent(const std::string &eventName,
                   const std::string &eventData = "") override;
 
protected:
  ttkWebSocketIO();
  ~ttkWebSocketIO() override;
 
  int FillInputPortInformation(int port, vtkInformation *info) override;
  int FillOutputPortInformation(int port, vtkInformation *info) override;
 
  int RequestData(vtkInformation *request,
                  vtkInformationVector **inputVector,
                  vtkInformationVector *outputVector) override;
 
  int SendVtkDataObject(vtkDataObject *object);
  int ParseVtkDataObjectFromJSON(const std::string &json);
};