sends::seg_pool_mgr Class Reference
[Sends Data Classes]

Buffer pool manager API. More...

#include <seg_pool_mgr.hh>

Inheritance diagram for sends::seg_pool_mgr:

List of all members.

Public Types
enum	buffer_class_id { kSmallBuf, kLargeBuf }
Public Member Functions
	seg_pool_mgr (void)
	constructor.
	~seg_pool_mgr (void)
	constructor.
void	add_pool (bufclass_type id, long nbuf, long lbuf)
	Add a buffer pool.
virtual bufclass_type	get_buffer_class (select_type selid) const
	Chose a buffer class.
virtual buffer *	get_buffer (select_type selclass)
	Chose a buffer class.
virtual buffer *	get_buffer_now (select_type selclass)
	Chose a buffer class.

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Detailed Description

Buffer pool manager API.

Class to manage segment buffer pools of different lengths.

Author:

John Zweizig

Version:

1.0;Last modified February 12, 2008

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Member Enumeration Documentation

enum sends::seg_pool_mgr::buffer_class_id

Buffer type enumerator.

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Constructor & Destructor Documentation

sends::seg_pool_mgr::seg_pool_mgr

(

void

)

constructor.

Construct a pool manager.

sends::seg_pool_mgr::~seg_pool_mgr

(

void

)

constructor.

Construct a pool manager.

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Member Function Documentation

void sends::seg_pool_mgr::add_pool	(	bufclass_type	id,
		long	nbuf,
		long	lbuf
	)

Add a buffer pool.

Create a buffer pool with nbuf buffers of length lbuf. Add the pool to the manager with the specified id.

Parameters:

	id	Pool id.
	nbuf	Number of buffer in pool.
	lbuf	Length of buffer in pool

virtual bufclass_type sends::seg_pool_mgr::get_buffer_class

(

select_type

selid

)

const [virtual]

Chose a buffer class.

Decide on a buffer class based on the selection code.

Parameters:

selid

Selection code.

Returns:

Buffer class for selid.

virtual buffer* sends::seg_pool_mgr::get_buffer

(

select_type

selclass

)

[virtual]

Chose a buffer class.

Allocate a buffer of the specified class.

Parameters:

selclass

buffer class code.

Returns:

Pointer to requested buffer.

virtual buffer* sends::seg_pool_mgr::get_buffer_now

(

select_type

selclass

)

[virtual]

Chose a buffer class.

Allocate a buffer of the specified class without waiting.

Parameters:

selclass

buffer class code.

Returns:

Pointer to requested buffer.

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

• src/stages/seg_pool_mgr.hh