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XrdXrootdLoadLib.cc
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XrdXrootdLoadLib.cc
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/******************************************************************************/
/* */
/* X r d X r o o t d L o a d L i b . c c */
/* */
/* (c) 2004 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 <stdio.h>
#include "XrdVersion.hh"
#include "XrdOuc/XrdOucEnv.hh"
#include "XrdOuc/XrdOucPinLoader.hh"
#include "XrdSfs/XrdSfsInterface.hh"
#include "XrdSys/XrdSysError.hh"
/******************************************************************************/
/* x r o o t d _ l o a d F i l e s y s t e m */
/******************************************************************************/
XrdSfsFileSystem *XrdXrootdloadFileSystem(XrdSysError *eDest,
XrdSfsFileSystem *prevFS,
const char *fslib,
const char *cfn, XrdOucEnv *envP)
{
static XrdVERSIONINFODEF(myVersion, XrdOfsLoader, XrdVNUMBER, XrdVERSION);
XrdOucPinLoader ofsLib(eDest, &myVersion, "fslib", fslib);
XrdSfsFileSystem_t ep;
XrdSfsFileSystem2_t ep2;
XrdSfsFileSystem *FS = 0;
// Record the library path in the environment
//
if (!prevFS) XrdOucEnv::Export("XRDOFSLIB", fslib);
// Get the file system object creator and the object (we preferntially try
// to find the version 2 of the plugin).
//
if ((ep2 = (XrdSfsFileSystem2_t)ofsLib.Resolve("?XrdSfsGetFileSystem2")))
{ FS = (*ep2)(prevFS, eDest->logger(), cfn, envP);
} else {
if ((ep = (XrdSfsFileSystem_t )ofsLib.Resolve("XrdSfsGetFileSystem")))
FS = (*ep) (prevFS, eDest->logger(), cfn);
}
// Issue message if we could not load it
//
if (!FS) eDest->Emsg("Config", "Unable to load file system via", fslib);
// All done
//
return FS;
}