#include <XrdNetBuffer.hh>

Collaboration diagram for XrdNetBufferQ:

Public Member Functions
	XrdNetBufferQ (int bsz, int maxb=16)

	~XrdNetBufferQ ()

XrdNetBuffer *	Alloc ()

int	BuffSize (void)

void	Recycle (XrdNetBuffer *bp)

void	Set (int maxb)

Public Attributes
int	alignit

XrdSysMutex	BuffList

XrdOucStack< XrdNetBuffer >	BuffStack

int	maxbuff

int	numbuff

int	size

Detailed Description

Definition at line 44 of file XrdNetBuffer.hh.

Constructor & Destructor Documentation

◆ XrdNetBufferQ()

XrdNetBufferQ::XrdNetBufferQ	(	int	bsz,
		int	maxb = 16 )

Definition at line 47 of file XrdNetBuffer.cc.

{
   size    = bsz;
   alignit = (size < sysconf(_SC_PAGESIZE)
                   ? size : sysconf(_SC_PAGESIZE));
   maxbuff = maxb; 
   numbuff = 0;
}

References alignit, maxbuff, numbuff, and size.

◆ ~XrdNetBufferQ()

XrdNetBufferQ::~XrdNetBufferQ ( )

Definition at line 60 of file XrdNetBuffer.cc.

{
   XrdNetBuffer *bp;
 
   while((bp = BuffStack.Pop())) delete bp;
}

References BuffStack.

Member Function Documentation

◆ Alloc()

XrdNetBuffer * XrdNetBufferQ::Alloc ( )

Definition at line 71 of file XrdNetBuffer.cc.

{
  XrdNetBuffer *bp;
 
// Lock the data area
//
   BuffList.Lock();
 
// Either return a new buffer or an old one
//
   if ((bp = BuffStack.Pop())) numbuff--;
      else if ((bp = new XrdNetBuffer(this))
           &&  posix_memalign((void **)&(bp->data), alignit, size))
              {delete bp; bp = 0;}
 
// Unlock the data area
//
   BuffList.UnLock();
 
// Return the buffer
//
   return bp;
}

References alignit, BuffList, BuffStack, XrdNetBuffer::data, numbuff, and size.

◆ BuffSize()

int XrdNetBufferQ::BuffSize ( void )

inline

Definition at line 50 of file XrdNetBuffer.hh.

50{return size;}

References size.

◆ Recycle()

void XrdNetBufferQ::Recycle ( XrdNetBuffer * bp )

Definition at line 99 of file XrdNetBuffer.cc.

{
 
// Check if we have enough objects, if so, delete ourselves and return
//
   if (numbuff >= maxbuff) {delete bp; return;}
   bp->dlen = 0;
 
// Add the buffer to the recycle list
//
   BuffList.Lock();
   BuffStack.Push(&bp->BuffLink);
   numbuff++;
   BuffList.UnLock();
   return;
}

References BuffList, BuffStack, XrdNetBuffer::dlen, maxbuff, and numbuff.

◆ Set()

void XrdNetBufferQ::Set ( int maxb )

Definition at line 120 of file XrdNetBuffer.cc.

{
 
// Lock the data area, set max buffers, unlock and return
//
   BuffList.Lock();
   maxbuff = maxb;
   BuffList.UnLock();
   return;
}

References BuffList, and maxbuff.

Member Data Documentation

◆ alignit

int XrdNetBufferQ::alignit

Definition at line 59 of file XrdNetBuffer.hh.

Referenced by XrdNetBufferQ(), and Alloc().

◆ BuffList

XrdSysMutex XrdNetBufferQ::BuffList

Definition at line 60 of file XrdNetBuffer.hh.

Referenced by Alloc(), Recycle(), and Set().

◆ BuffStack

XrdOucStack<XrdNetBuffer> XrdNetBufferQ::BuffStack

Definition at line 61 of file XrdNetBuffer.hh.

Referenced by ~XrdNetBufferQ(), Alloc(), and Recycle().

◆ maxbuff

int XrdNetBufferQ::maxbuff

Definition at line 62 of file XrdNetBuffer.hh.

Referenced by XrdNetBufferQ(), Recycle(), and Set().

◆ numbuff

int XrdNetBufferQ::numbuff

Definition at line 63 of file XrdNetBuffer.hh.

Referenced by XrdNetBufferQ(), Alloc(), and Recycle().

◆ size

int XrdNetBufferQ::size

Definition at line 64 of file XrdNetBuffer.hh.

Referenced by XrdNetBufferQ(), Alloc(), and BuffSize().

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

Public Member Functions

Public Attributes