XrdSsiStat.cc File Reference

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <cstdlib>
#include "XrdVersion.hh"
#include "XrdOss/XrdOss.hh"
#include "XrdOss/XrdOssStatInfo.hh"
#include "XrdOuc/XrdOucEnv.hh"
#include "XrdOuc/XrdOucPList.hh"
#include "XrdSsi/XrdSsiProvider.hh"
#include "XrdSsi/XrdSsiSfsConfig.hh"
#include "XrdSsi/XrdSsiService.hh"
#include "XrdSys/XrdSysError.hh"

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Namespaces
namespace	XrdSsi

Functions
XrdOssStatInfo2_t	XrdOssStatInfoInit2 (XrdOss *native_oss, XrdSysLogger *Logger, const char *config_fn, const char *parms, XrdOucEnv *envP)
int	XrdSsiStatInfo (const char *path, struct stat *buff, int opts, XrdOucEnv *envP, const char *lfn)
	XrdVERSIONINFO (XrdOssStatInfoInit, XrdSsiStat)
	XrdVERSIONINFO (XrdOssStatInfoInit2, XrdSsiStat2)

Function Documentation

XrdOssStatInfoInit2()

XrdOssStatInfo2_t XrdOssStatInfoInit2	(	XrdOss *	native_oss,
		XrdSysLogger *	Logger,
		const char *	config_fn,
		const char *	parms,
		XrdOucEnv *	envP
	)

The following function is invoked by the plugin manager to obtain the function that is to be used for stat() calls.

Definition at line 119 of file XrdSsiStat.cc.

{
   XrdSsiSfsConfig Config(true);
 
// Setup the logger
//
   Log.logger(Logger);
 
// Process the configuration file so that we get the service provider object
//
   if (!Config.Configure(config_fn, envP)) return 0;
 
// Return the stat function
//
    return (XrdOssStatInfo2_t)XrdSsiStatInfo;
}

References XrdSsi::Log, XrdSsi::Logger, XrdSysError::logger(), and XrdSsiStatInfo().

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XrdSsiStatInfo()

int XrdSsiStatInfo	(	const char *	path,
		struct stat *	buff,
		int	opts,
		XrdOucEnv *	envP,
		const char *	lfn
	)

Definition at line 75 of file XrdSsiStat.cc.

{
   static const int regFile = S_IFREG | S_IRUSR | S_IWUSR;
   XrdSsiProvider::rStat rStat;
 
// Check for stat changes
//
   if (!buff)
      {if (!Provider || (fsChk && FSPath.Find(lfn))) return 0;
         if (opts == XrdOssStatEvent::FileRemoved)
            Provider->ResourceRemoved(lfn);
       else Provider->ResourceAdded(lfn);
       return 0;
      }
 
// Check if this should be issued to the file system
//
   if (fsChk && FSPath.Find(lfn)) return stat(path, buff);
 
// Check resource availability
//
   if (Provider && (rStat = Provider->QueryResource(path)))
      {memset(buff, 0, sizeof(struct stat));
       buff->st_mode = regFile;
       if (rStat == XrdSsiProvider::isPresent) return 0;
       if (!(opts & XRDOSS_resonly)) {buff->st_mode |= S_IFBLK; return 0;}
      }
 
// Resource is not available
//
   errno = ENOENT;
   return -1;
}

References XrdOssStatEvent::FileRemoved, XrdOucPListAnchor::Find(), XrdSsi::fsChk, XrdSsi::FSPath, XrdSsiProvider::isPresent, opts, XrdSsi::Provider, XrdSsiProvider::QueryResource(), XrdSsiProvider::ResourceAdded(), XrdSsiProvider::ResourceRemoved(), stat, and XRDOSS_resonly.

Referenced by XrdOssStatInfoInit2().

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XrdVERSIONINFO() [1/2]

XrdVERSIONINFO	(	XrdOssStatInfoInit	,
		XrdSsiStat
	)

XrdVERSIONINFO() [2/2]

XrdVERSIONINFO	(	XrdOssStatInfoInit2	,
		XrdSsiStat2
	)