vtkCommunicationErrorCatcher.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <string>
 
#include "qPCL.h"            // needed for export macro
#include "vtkWeakPointer.h"  // needed for vtkWeakPointer.
 
class vtkCommunicator;
class vtkMultiProcessController;
class vtkObject;
 
class QPCL_ENGINE_LIB_API vtkCommunicationErrorCatcher {
public:
    vtkCommunicationErrorCatcher(vtkMultiProcessController*);
    vtkCommunicationErrorCatcher(vtkCommunicator*);
    virtual ~vtkCommunicationErrorCatcher();
 
    bool GetErrorsRaised() const { return this->ErrorsRaised; }
 
    const std::string& GetErrorMessages() const { return this->ErrorMessages; }
 
private:
    vtkCommunicationErrorCatcher(const vtkCommunicationErrorCatcher&) = delete;
    void operator=(const vtkCommunicationErrorCatcher&) = delete;
 
    void Initialize();
    void OnErrorEvent(vtkObject* caller, unsigned long eventid, void* calldata);
 
    vtkWeakPointer<vtkMultiProcessController> Controller;
    vtkWeakPointer<vtkCommunicator> Communicator;
 
    bool ErrorsRaised;
    std::string ErrorMessages;
    unsigned long ControllerObserverId;
    unsigned long CommunicatorObserverId;
};
 
// VTK-HeaderTest-Exclude: vtkCommunicationErrorCatcher.h