vtkPVSessionServer.h

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/*=========================================================================

  Program:   ParaView
  Module:    vtkPVSessionServer.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.

=========================================================================*/
#ifndef vtkPVSessionServer_h
#define vtkPVSessionServer_h

#include "vtkPVSessionBase.h"
#include "vtkRemotingServerManagerModule.h" //needed for exports

class vtkMultiProcessController;
class vtkMultiProcessStream;

class VTKREMOTINGSERVERMANAGER_EXPORT vtkPVSessionServer : public vtkPVSessionBase
{
public:
  static vtkPVSessionServer* New();
  vtkTypeMacro(vtkPVSessionServer, vtkPVSessionBase);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  vtkMultiProcessController* GetController(ServerFlags processType) override;

  virtual bool Connect(const char* url);

  bool Connect();

  bool GetIsAlive() override;

  enum
  {
    PUSH = 12,
    PULL = 13,
    EXECUTE_STREAM = 14,
    GATHER_INFORMATION = 15,
    REGISTER_SI = 16,
    UNREGISTER_SI = 17,
    LAST_RESULT = 18,
    SERVER_NOTIFICATION_MESSAGE_RMI = 55624,
    CLIENT_SERVER_MESSAGE_RMI = 55625,
    CLOSE_SESSION = 55626,
    REPLY_GATHER_INFORMATION_TAG = 55627,
    REPLY_PULL = 55628,
    REPLY_LAST_RESULT = 55629,
    EXECUTE_STREAM_TAG = 55630
  };


  vtkBooleanMacro(MultipleConnection, bool);
  vtkSetMacro(MultipleConnection, bool);
  vtkGetMacro(MultipleConnection, bool);


  vtkBooleanMacro(DisableFurtherConnections, bool);
  vtkGetMacro(DisableFurtherConnections, bool);
  void SetDisableFurtherConnections(bool disable);


  void SetConnectID(int newConnectID);
  int GetConnectID();

  void OnClientServerMessageRMI(void* message, int message_length);
  void OnCloseSessionRMI();

  void NotifyAllClients(const vtkSMMessage*) override;

  void NotifyOtherClients(const vtkSMMessage*) override;

protected:
  vtkPVSessionServer();
  ~vtkPVSessionServer() override;

  void GatherInformationInternal(
    vtkTypeUInt32 location, const char* classname, vtkTypeUInt32 globalid, vtkMultiProcessStream&);

  void SendLastResultToClient();

  vtkMPIMToNSocketConnection* MPIMToNSocketConnection;

  bool MultipleConnection;
  bool DisableFurtherConnections;

  class vtkInternals;
  vtkInternals* Internal;
  friend class vtkInternals;

private:
  vtkPVSessionServer(const vtkPVSessionServer&) = delete;
  void operator=(const vtkPVSessionServer&) = delete;
};

#endif