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//
// $Id: G4VMPIsession.hh,v 1.1 2007/11/16 14:05:41 kmura Exp $
// $Name:  $
//
// ====================================================================
//   G4VMPIsession.hh
//
//                                         2007 Q
// ====================================================================
#ifndef G4VMPI_SESSION_H
#define G4VMPI_SESSION_H

#include "G4VBasicShell.hh"

// ====================================================================
//
// class definition
//
// ====================================================================

typedef void* (*Func_t)(void *);  // for thead function

class G4MPImanager;
class G4VUIshell;

class G4VMPIsession : public G4VBasicShell {
protected:
  // MPI handling
  G4MPImanager* g4MPI;

  // MPI node info (cache)
  G4bool isMaster;
  G4bool isSlave;
  G4int rank;

  G4int ExecCommand(G4String aCommand);
  G4String TruncateCommand(const G4String& command) const;
  G4String BypassCommand(const G4String& command) const;

  // for help operation
  virtual G4bool GetHelpChoice(G4int& aval);
  virtual void ExitHelp();
  
public:
  G4VMPIsession();
  ~G4VMPIsession();

  // concrete implementations
  virtual void PauseSessionStart(G4String msg);

  virtual G4int ReceiveG4cout(G4String coutString);
  virtual G4int ReceiveG4cerr(G4String cerrString);

};

#endif