XrdPfcIOFile.hh

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#ifndef __XRDPFC_IO_ENTIRE_FILE_HH__
#define __XRDPFC_IO_ENTIRE_FILE_HH__
//----------------------------------------------------------------------------------
// Copyright (c) 2014 by Board of Trustees of the Leland Stanford, Jr., University
// Author: Alja Mrak-Tadel, Matevz Tadel, Brian Bockelman
//----------------------------------------------------------------------------------
// 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 General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with XRootD.  If not, see <http://www.gnu.org/licenses/>.
//----------------------------------------------------------------------------------
 
#include <string>
 
#include "XrdSys/XrdSysPthread.hh"
#include "XrdPfcIO.hh"
#include "XrdPfc.hh"
#include "XrdPfcStats.hh"
#include "XrdPfcFile.hh"
 
class XrdSysError;
class XrdOssDF;
class XrdOucIOVec;
 
namespace XrdPfc
{
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
class IOFile : public IO
{
public:
   IOFile(XrdOucCacheIO *io, Cache &cache);
 
   ~IOFile();
 
   //------------------------------------------------------------------------
   //------------------------------------------------------------------------
   bool HasFile() const { return m_file != 0; }
 
   //---------------------------------------------------------------------
   //---------------------------------------------------------------------
   int  Read(char *buff, long long off, int size) override;
   void Read(XrdOucCacheIOCB &iocb, char *buff, long long off, int size) override;
   void pgRead(XrdOucCacheIOCB &iocb, char *buff, long long off, int size,
               std::vector<uint32_t> &csvec, uint64_t opts=0, int *csfix=0) override;
   using XrdOucCacheIO::pgRead;
 
   //---------------------------------------------------------------------
   //---------------------------------------------------------------------
   int  ReadV(const XrdOucIOVec *readV, int n) override;
   void ReadV(XrdOucCacheIOCB &iocb, const XrdOucIOVec *readV, int n) override;
 
   void Update(XrdOucCacheIO &iocp) override;
 
   bool ioActive() override;
 
   void DetachFinalize() override;
   
   int  Fstat(struct stat &sbuff) override;
 
   long long FSize() override;
 
private:
   File        *m_file;
 
   int ReadBegin(char *buff, long long off, int size, ReadReqRH *rh);
   int ReadEnd(int retval, ReadReqRH *rh);
 
   int ReadVBegin(const XrdOucIOVec *readV, int n, ReadReqRH *rh);
   int ReadVEnd(int retval, ReadReqRH *rh);
 
   struct stat *m_localStat;
   int initCachedStat();
 
 
};
 
}
#endif