XrdXmlMetaLink.hh

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#ifndef __XRDXMLMETALINK_HH__
#define __XRDXMLMETALINK_HH__
/******************************************************************************/
/*                                                                            */
/*                     X r d X m l M e t a L i n k . h h                      */
/*                                                                            */
/* (c) 2015 by the Board of Trustees of the Leland Stanford, Jr., University  */
/*   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 <cstdlib>
#include <cstring>
 
#include "XrdOuc/XrdOucFileInfo.hh"
#include "XrdXml/XrdXmlReader.hh"
  
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
class XrdXmlMetaLink
{
public:
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
XrdOucFileInfo  *Convert(const char *fbuff, int blen=0);
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
XrdOucFileInfo **ConvertAll(const char *fbuff, int &count, int blen=0);
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
static void     DeleteAll(XrdOucFileInfo **vecp, int vecn);
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
const char      *GetStatus(int &ecode) {ecode = eCode; return eText;}
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
                XrdXmlMetaLink(const char *protos="root:xroot:",
                               const char *rdprot="xroot:",
                               const char *rdhost=0,
                               const char *encode=0
                              ) : reader(0),
                                  fileList(0), lastFile(0), currFile(0),
                                  prots(protos   ? strdup(protos) : 0),
                                  encType(encode ? strdup(encode) : 0),
                                  rdProt(rdprot), rdHost(rdhost),
                                  fileCnt(0), eCode(0),
                                  doAll(false), noUrl(true)
                               {*eText = 0; *tmpFn = 0;}
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
               ~XrdXmlMetaLink() {if (prots)   free(prots);
                                  if (encType) free(encType);
                                 }
 
private:
bool            GetFile(const char *scope);
bool            GetFileInfo(const char *scope);
bool            GetGLfn();
bool            GetHash();
void            GetRdrError(const char *why);
bool            GetSize();
bool            GetUrl();
void            GetName();
bool            PutFile(const char *buff, int blen);
bool            UrlOK(char *url);
 
XrdXmlReader   *reader;
XrdOucFileInfo *fileList;
XrdOucFileInfo *lastFile;
XrdOucFileInfo *currFile;
char           *prots;
char           *encType;
const char     *rdProt;
const char     *rdHost;
int             fileCnt;
int             eCode;
bool            doAll;
bool            noUrl;
char            tmpFn[64];
char            eText[256];
};
#endif