XrdFrmTSort Class Reference

#include <XrdFrmTSort.hh>

Collaboration diagram for XrdFrmTSort:

Public Member Functions
	XrdFrmTSort (int szSort=0)
	~XrdFrmTSort ()
int	Add (XrdFrmFileset *fsp)
int	Count ()
XrdFrmFileset *	Oldest ()
void	Purge ()

Detailed Description

Definition at line 35 of file XrdFrmTSort.hh.

Constructor & Destructor Documentation

XrdFrmTSort()

XrdFrmTSort::XrdFrmTSort ( int szSort = 0 )

inline

Definition at line 47 of file XrdFrmTSort.hh.

: sortSZ(szSort) {Reset();}

~XrdFrmTSort()

XrdFrmTSort::~XrdFrmTSort ( )

inline

Definition at line 48 of file XrdFrmTSort.hh.

{Purge();}

References Purge().

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Member Function Documentation

Add()

int XrdFrmTSort::Add

(

XrdFrmFileset *

fsp

)

Definition at line 39 of file XrdFrmTSort.cc.

{
   XrdOucNSWalk::NSEnt *nsp = fsp->baseFile();
   int n;
 
// Make sure we can actuall add this entry
//
   if (baseT < nsp->Stat.st_atime) return 0;
 
// Get the relative time
//
   fsp->Age = static_cast<int>(baseT - nsp->Stat.st_atime);
 
// Insert into the table
//
   n = fsp->Age/dVal;
   if (n > 63) n = 63;
   fsp->Next = FSTab[0][n];
   FSTab[0][n] = fsp;
   if (n > DYent) DYent = n;
//std::cerr <<"Add " <<std::hex <<fsp->Age <<' ' <<std::dec <<0 <<',' <<n <<' ' <<fsp->basePath() <<std::endl;
   numEnt++;
   return 1;
}

References XrdFrmFileset::Age, XrdFrmFileset::baseFile(), XrdFrmFileset::Next, Stat, and XrdOucNSWalk::NSEnt::Stat.

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Count()

int XrdFrmTSort::Count ( )

inline

Definition at line 41 of file XrdFrmTSort.hh.

{return numEnt;}

Oldest()

XrdFrmFileset * XrdFrmTSort::Oldest

(

)

Definition at line 113 of file XrdFrmTSort.cc.

{
   XrdFrmFileset *fsp = 0;
 
// Work backwards on the list, resorting as needed
//
   do {while(SCent >= 0)
            {if ((fsp = FSTab[3][SCent]))
                {if (!( FSTab[3][SCent] = fsp->Next)) SCent--;
                 numEnt--;
//std::cerr <<"Oldest " <<fsp->Age <<' ' <<fsp->basePath() <<std::endl;
                 return fsp;
                } else SCent--;
            }
//std::cerr <<"SC=" <<SCent <<" MN=" <<MNent <<" HR=" <<HRent <<" DY=" <<DYent <<std::endl;
       fsp = 0;
       while(MNent >= 0 && !fsp) fsp = FSTab[2][MNent--];
       if (fsp) {FSTab[2][MNent+1]=0; SCent = Bin(fsp, 3, SCshift); continue;}
       while(HRent >= 0 && !fsp) fsp = FSTab[1][HRent--];
       if (fsp) {FSTab[1][HRent+1]=0; MNent = Bin(fsp, 2, MNshift); continue;}
       while(DYent >= 0 && !fsp) fsp = FSTab[0][DYent--];
       if (fsp) {FSTab[0][DYent+1]=0; HRent = Bin(fsp, 1, HRshift); continue;}
      } while(numEnt);
   return 0;
}

References XrdFrmFileset::Next.

Purge()

void XrdFrmTSort::Purge

(

)

Definition at line 143 of file XrdFrmTSort.cc.

{
   XrdFrmFileset *fsp, *csp;
   int i, j, aBeg[4] = {DYent, HRent, MNent, SCent};
 
   for (i = 0; i < 4; i++)
       for (j = aBeg[i]; j >= 0; j--)
           {if ((fsp = FSTab[i][j]))
               while((csp = fsp)) {fsp = fsp->Next; delete csp;}
           }
   Reset();
}

References XrdFrmFileset::Next.

Referenced by ~XrdFrmTSort().

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The documentation for this class was generated from the following files:

• XrdFrmTSort.hh
• XrdFrmTSort.cc