jmemorymap.h
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/***************************************************************************
* Copyright (C) 2005 by Jeff Ferr *
* root@sat *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef J_MEMORYMAP_H
#define J_MEMORYMAP_H
#include "jobject.h"
#include <iostream>
#ifdef _WIN32
#else
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#endif
#include <stdint.h>
namespace jshared {
enum jmemory_permission_t {
JMP_NONE = 0x00,
JMP_EXEC = 0x01,
JMP_READ = 0x02,
JMP_WRITE = 0x04,
JMP_READ_WRITE = 0x08,
};
enum jmemory_flags_t {
JMF_OPEN = 0x01,
JMF_CREAT = 0x02
};
/**
* \brief Socket.
*
* \author Jeff Ferr
*/
class MemoryMap : public virtual jcommon::Object{
private:
#ifdef _WIN32
/** \brief Socket handler. */
HANDLE _fd;
#else
/** \brief Socket handler. */
int _fd;
#endif
/** \brief */
struct stat _stats;
/** \brief */
void *_start;
/** \brief */
std::string _filename;
/** \brief */
int _timeout;
/** \brief */
jmemory_permission_t _permission;
/** \brief */
bool _is_open;
public:
/**
* \brief Constructor.
*
*/
MemoryMap(std::string sharedfile_, jmemory_flags_t flags_ = JMF_OPEN, jmemory_permission_t perms_ = JMP_READ_WRITE, bool private_ = true);
/**
* \brief Constructor.
*
*/
MemoryMap(std::string sharedfile_);
/**
* \brief Destrutor virtual.
*
*/
virtual ~MemoryMap();
/**
* \brief
*
*/
int64_t Get(char *data_, int64_t size_, int64_t offset_);
/**
* \brief
*
*/
int64_t Put(const char *data_, int64_t size_, int64_t offset_);
/**
* \brief
*
*/
jmemory_permission_t GetPermission();
/**
* \brief
*
*/
void SetPermission(jmemory_permission_t perms_);
/**
* \brief
*
*/
int64_t GetSize();
/**
* \brief
*
*/
void Release();
};
}
#endif