vlShmPool__rti__.h

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/*********************************************************************
 ** Copyright (c) 2005 MaK Technologies, Inc.
 ** All rights reserved.
 *********************************************************************/
/*********************************************************************
 ** $RCSfile: vlShmPool__rti__.h,v $ $Revision: 1.3 $ $State: Exp $
 *********************************************************************/

#ifndef vlShmPool__rti___H_
#define vlShmPool__rti___H_


#include "rtiMsConfig.h"
#include <vlutil/vlString.h>


#if _WIN32
#include <WinSock2.h>
#else
#include <sys/types.h>
#endif

#ifdef DtUSE_UTILITIES_NAMESPACE
namespace DtUSE_UTILITIES_NAMESPACE
{
#endif

#ifndef _WIN32
key_t DtGetShmKeyFromString(const MAKRti::DtString& name);
#endif


typedef enum DtShmPoolCreationMode_enum
{
   DtShmPoolCreationMode_Normal,
   DtShmPoolCreationMode_Exclusive,
   DtShmPoolCreationMode_GracefulTakeover,
   DtShmPoolCreationMode_RuthlessTakeover
} DtShmPoolCreationMode;

//
class DT_DLL_RTIUTIL DtSharedMemoryPoolManager__rti__
{
public:

   DtSharedMemoryPoolManager__rti__(const MAKRti::DtString& shared_name, unsigned long size,
                             DtShmPoolCreationMode create = DtShmPoolCreationMode_Normal); 

   virtual ~DtSharedMemoryPoolManager__rti__();

private:
   DtSharedMemoryPoolManager__rti__(const DtSharedMemoryPoolManager__rti__ &other);
   DtSharedMemoryPoolManager__rti__& operator=(const DtSharedMemoryPoolManager__rti__ &other);

public:
   void *address() const;

protected:

   MAKRti::DtString myName;
   void *myAddr;

#if _WIN32
   HANDLE myMapFile;
   HANDLE myManagerFile;
#else
   int myId;
#endif

};

//
class DT_DLL_RTIUTIL DtSharedMemoryPoolClient__rti__
{

public:

   DtSharedMemoryPoolClient__rti__(const MAKRti::DtString& shared_name); 

   virtual ~DtSharedMemoryPoolClient__rti__();

private:

   DtSharedMemoryPoolClient__rti__(const DtSharedMemoryPoolClient__rti__ &other);

   DtSharedMemoryPoolClient__rti__& operator=(const DtSharedMemoryPoolClient__rti__ &other);

public:

   void *address() const;

protected:

   MAKRti::DtString myName;
   void *myAddr;
#if _WIN32
   HANDLE myMapFile;
#else
   int myId;
#endif
};

#ifdef DtUSE_UTILITIES_NAMESPACE
} 
#endif


#endif