XrdOfsHanTab Class Reference

#include <XrdOfsHandle.hh>

Collaboration diagram for XrdOfsHanTab:

Public Member Functions
	XrdOfsHanTab (int psize=987, int size=1597)
	~XrdOfsHanTab ()
void	Add (XrdOfsHandle *hP)
XrdOfsHandle *	Find (XrdOfsHanKey &Key)
int	Remove (XrdOfsHandle *rip)

Detailed Description

Definition at line 88 of file XrdOfsHandle.hh.

Constructor & Destructor Documentation

XrdOfsHanTab()

XrdOfsHanTab::XrdOfsHanTab	(	int	psize = 987,
		int	size = 1597 )

Definition at line 651 of file XrdOfsHandle.cc.

{
     prevtablesize = psize;
     nashtablesize = csize;
     Threshold     = (csize * LoadMax) / 100;
     nashnum       = 0;
     nashtable     = (XrdOfsHandle **)
                     malloc( (size_t)(csize*sizeof(XrdOfsHandle *)) );
     memset((void *)nashtable, 0, (size_t)(csize*sizeof(XrdOfsHandle *)));
}

~XrdOfsHanTab()

XrdOfsHanTab::~XrdOfsHanTab ( )

inline

Definition at line 102 of file XrdOfsHandle.hh.

{} // Never gets deleted

Member Function Documentation

Add()

void XrdOfsHanTab::Add

(

XrdOfsHandle *

hP

)

Definition at line 666 of file XrdOfsHandle.cc.

{
   unsigned int kent;
 
// Check if we should expand the table
//
   if (++nashnum > Threshold) Expand();
 
// Add the entry to the table
//
   kent = hip->Path.Hash % nashtablesize;
   hip->Next = nashtable[kent];
   nashtable[kent] = hip;
}

References XrdOfsHanKey::Hash.

Referenced by XrdOfsHandle::Alloc().

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Find()

XrdOfsHandle * XrdOfsHanTab::Find

(

XrdOfsHanKey &

Key

)

Definition at line 730 of file XrdOfsHandle.cc.

{
  XrdOfsHandle *nip;
  unsigned int kent;
 
// Compute position of the hash table entry
//
   kent = Key.Hash%nashtablesize;
 
// Find the entry
//
   nip = nashtable[kent];
   while(nip && nip->Path != Key) nip = nip->Next;
   return nip;
}

References XrdOfsHanKey::Hash.

Referenced by XrdOfsHandle::Alloc().

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Remove()

int XrdOfsHanTab::Remove

(

XrdOfsHandle *

rip

)

Definition at line 750 of file XrdOfsHandle.cc.

{
   XrdOfsHandle *nip, *pip = 0;
   unsigned int kent;
 
// Compute position of the hash table entry
//
   kent = rip->Path.Hash%nashtablesize;
 
// Find the entry
//
   nip = nashtable[kent];
   while(nip && nip != rip) {pip = nip; nip = nip->Next;}
 
// Remove if found
//
   if (nip)
      {if (pip) pip->Next = nip->Next;
          else nashtable[kent] = nip->Next;
       nashnum--;
      }
   return nip != 0;
}

References XrdOfsHanKey::Hash.

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

• XrdOfsHandle.hh
• XrdOfsHandle.cc