Scopira 20080306

scopira::tool::cacheiflow Class Reference

#include <cacheflow.h>

Inheritance diagram for scopira::tool::cacheiflow:
scopira::tool::iflow_i scopira::tool::flow_i scopira::tool::object

List of all members.

Public Member Functions

 cacheiflow (bool doref, iflow_i *innie, size_t buffersize=32768)
virtual bool failed (void) const
 are we in a failed state?
virtual size_t read (byte_t *_buf, size_t _maxsize)
 read raw block data, returns num read in
virtual size_t read_byte (byte_t &out)
 read one byte
void open (iflow_i *in)
 opens a new link
void close (void)
 close the current link
void short_rewind (void)
void load_cache (void)
 loads the cache... you need not call this explicitly

Protected Attributes

count2_ptr< iflow_idm_in
circular_vector< byte_tdm_cache
bool dm_failed

Detailed Description

A performancing-enhancing cache filter.

Author:
Aleksander Demko

Constructor & Destructor Documentation

scopira::tool::cacheiflow::cacheiflow ( bool  doref,
iflow_i innie,
size_t  buffersize = 32768 
)

Constructor.

Parameters:
dorefshould innie be ref counted
inniethe iflow to get data from
buffersizethe buffer size of the cache
Author:
Aleksander Demko

Member Function Documentation

void scopira::tool::cacheiflow::short_rewind ( void  )

do a "short rewind", basically move the cache in pointer to the start of the cache. this only is useful if youre reading the starts of files


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