/usr/include/paraview/vtkNetworkAccessManager.h is in paraview-dev 5.0.1+dfsg1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93  | /*=========================================================================
  Program:   ParaView
  Module:    vtkNetworkAccessManager.h
  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkNetworkAccessManager
// .SECTION Description
// vtkNetworkAccessManager is used to create new connections and monitor
// activity of those connections. This is an abstract class that defines the
// interface. Concrete implementations of this class can be written to support
// tcp/ip socket or ssl or ssh based network connections among processes.
#ifndef vtkNetworkAccessManager_h
#define vtkNetworkAccessManager_h
#include "vtkPVClientServerCoreCoreModule.h" //needed for exports
#include "vtkObject.h"
class vtkMultiProcessController;
class VTKPVCLIENTSERVERCORECORE_EXPORT vtkNetworkAccessManager : public vtkObject
{
public:
  vtkTypeMacro(vtkNetworkAccessManager, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
  // Description:
  // Creates a new connection given the url.
  // This call may block until the connection can be established. To keep
  // user-interfaces responsive, one can listen to the vtkCommand::ProgressEvent
  // fired periodically by this class while waiting.
  //
  // vtkNetworkAccessManager can  be waiting for atmost one connection at a
  // time. Calling NewConnection() while another connection is pending will
  // raise an error.
  //
  // To abort the connection and cancel the waiting, simply call
  // AbortPendingConnection() in the vtkCommand::ProgressEvent callback.
  //
  // Returns the new connection instance on success, otherwise NULL.
  //
  // URLs are of the following form:
  // <transport>://<address>
  //   * tcp://<hostname>:<port>
  //   * tcp://localhost:<port>/listen -- listen for connection on port.
  //   * tcp://localhost:<port>/listenmultiple -- listen for multiple
  // Examples:
  //   * tcp://medea:12345
  //   * tcp://localhost:12345/listen
  //   * ssh://utkarsh@medea
  //   * http://kitware-server/session?id=12322&authorization=12
  virtual vtkMultiProcessController* NewConnection(const char* url)=0;
  // Description:
  // Used to abort pending connection creation, if any. Refer to
  // NewConnection() for details.
  virtual void AbortPendingConnection()=0;
  // Description:
  // Process any network activity.
  virtual int ProcessEvents(unsigned long timeout_msecs)=0;
  // Description:
  // Peeks to check if any activity is available. When this call returns true,
  // ProcessEvents() will always result in some activity processing if called
  // afterword.
  virtual bool GetNetworkEventsAvailable()=0;
  // Description:
  // Returns true is the manager is currently waiting for any connections.
  virtual bool GetPendingConnectionsPresent()=0;
//BTX
protected:
  vtkNetworkAccessManager();
  ~vtkNetworkAccessManager();
private:
  vtkNetworkAccessManager(const vtkNetworkAccessManager&); // Not implemented
  void operator=(const vtkNetworkAccessManager&); // Not implemented
//ETX
};
#endif
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