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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkSocketCollection
* @brief a collection for sockets.
*
* Apart from being vtkCollection subclass for sockets, this class
* provides means to wait for activity on all the sockets in the
* collection simultaneously.
*/
#ifndef vtkSocketCollection_h
#define vtkSocketCollection_h
#include "vtkCollection.h"
#include "vtkCommonSystemModule.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class vtkSocket;
class VTKCOMMONSYSTEM_EXPORT vtkSocketCollection : public vtkCollection
{
public:
static vtkSocketCollection* New();
vtkTypeMacro(vtkSocketCollection, vtkCollection);
void PrintSelf(ostream& os, vtkIndent indent) override;
// Add Socket to the collection.
void AddItem(vtkSocket* soc);
/**
* Select all Connected sockets in the collection. If msec is specified,
* it timesout after msec milliseconds on inactivity.
* Returns 0 on timeout, -1 on error; 1 is a socket was selected.
* The selected socket can be retrieved by GetLastSelectedSocket().
*/
int SelectSockets(unsigned long msec = 0);
/**
* Returns the socket selected during the last SelectSockets(), if any.
* nullptr otherwise.
*/
vtkSocket* GetLastSelectedSocket() { return this->SelectedSocket; }
///@{
/**
* Overridden to unset SelectedSocket.
*/
void ReplaceItem(int i, vtkObject*);
void RemoveItem(int i);
void RemoveItem(vtkObject*);
void RemoveAllItems();
///@}
protected:
vtkSocketCollection();
~vtkSocketCollection() override;
vtkSocket* SelectedSocket;
private:
// Hide the standard AddItem.
void AddItem(vtkObject* o) { this->Superclass::AddItem(o); }
vtkSocketCollection(const vtkSocketCollection&) = delete;
void operator=(const vtkSocketCollection&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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