XrdOssArcFile.hh

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#ifndef _XRDOSSARCFILE_H
#define _XRDOSSARCFILE_H
/******************************************************************************/
/*                                                                            */
/*                      X r d O s s A r c F i l e . h h                       */
/*                                                                            */
/* (c) 2024 by the Board of Trustees of the Leland Stanford, Jr., University  */
/*                            All Rights Reserved                             */
/*   Produced by Andrew Hanushevsky for Stanford University under contract    */
/*              DE-AC02-76-SFO0515 with the Department of Energy              */
/*                                                                            */
/* This file is part of the XRootD software suite.                            */
/*                                                                            */
/* XRootD is free software: you can redistribute it and/or modify it under    */
/* the terms of the GNU Lesser General Public License as published by the     */
/* Free Software Foundation, either version 3 of the License, or (at your     */
/* option) any later version.                                                 */
/*                                                                            */
/* XRootD 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 Lesser General Public       */
/* License for more details.                                                  */
/*                                                                            */
/* You should have received a copy of the GNU Lesser General Public License   */
/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file  */
/* COPYING (GPL license).  If not, see <http://www.gnu.org/licenses/>.        */
/*                                                                            */
/* The copyright holder's institutional names and contributor's names may not */
/* be used to endorse or promote products derived from this software without  */
/* specific prior written permission of the institution or contributor.       */
/******************************************************************************/
 
#include "XrdOss/XrdOssWrapper.hh"
 
class  XrdOssArcZipFile;
class  XrdOucEnv;
struct stat;
 
class XrdOssArcFile : public XrdOssWrapDF
{
public:
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
int     Close(long long* retsz=0) override;
 
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
int     Fstat(struct stat* buf) override;
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
bool    getErrMsg(std::string& eText) override;
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
int     Open(const char* path, int Oflag, mode_t Mode, XrdOucEnv& env)
             override;
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
ssize_t Read(off_t offset, size_t size) override {return 0;}
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
ssize_t Read(void* buffer, off_t offset, size_t size) override;
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
ssize_t Write(const void* buffer, off_t offset, size_t size) override;
 
                XrdOssArcFile(const char* tident, XrdOssDF* df)
                             : XrdOssWrapDF(*df), ossDF(df) {}
 
virtual        ~XrdOssArcFile();
 
private:
XrdOssDF*         ossDF;          // Underlying dir/file object
XrdOssArcZipFile* zFile =  0;
};
#endif