mem_hdr Class Reference

#include <stmem.h>

Collaboration diagram for mem_hdr:

Public Member Functions
	mem_hdr ()
	~mem_hdr ()
void	freeContent ()
int64_t	lowestOffset () const
int64_t	endOffset () const
int64_t	freeDataUpto (int64_t)
ssize_t	copy (StoreIOBuffer const &) const
bool	hasContigousContentRange (Range< int64_t > const &range) const
bool	write (StoreIOBuffer const &)
void	dump () const
size_t	size () const
mem_node *	getBlockContainingLocation (int64_t location) const
const Splay< mem_node * > &	getNodes () const
char *	NodeGet (mem_node *aNode)

Static Public Attributes
static Splay< mem_node * >::SPLAYCMP	NodeCompare

Private Member Functions
void	debugDump () const
bool	unlink (mem_node *aNode)
void	appendNode (mem_node *aNode)
size_t	copyAvailable (mem_node *aNode, int64_t location, size_t amount, char *target) const
bool	unionNotEmpty (StoreIOBuffer const &)
mem_node *	nodeToRecieve (int64_t offset)
size_t	writeAvailable (mem_node *aNode, int64_t location, size_t amount, char const *source)

Private Attributes
int64_t	inmem_hi
Splay< mem_node * >	nodes

Detailed Description

Definition at line 19 of file stmem.h.

Constructor & Destructor Documentation

mem_hdr()

mem_hdr::mem_hdr

(

)

Definition at line 334 of file stmem.cc.

References debugs, and inmem_hi.

~mem_hdr()

mem_hdr::~mem_hdr

(

)

Definition at line 339 of file stmem.cc.

References freeContent().

Member Function Documentation

appendNode()

void mem_hdr::appendNode ( mem_node *  aNode )

private

Definition at line 130 of file stmem.cc.

References Splay< V >::insert(), NodeCompare, and nodes.

Referenced by nodeToRecieve().

copy()

ssize_t mem_hdr::copy

(

StoreIOBuffer const &

target

)

const

Definition at line 189 of file stmem.cc.

References assert, copyAvailable(), StoreIOBuffer::data, DBG_IMPORTANT, debugDump(), debugs, fatal_dump(), getBlockContainingLocation(), StoreIOBuffer::length, nodes, StoreIOBuffer::offset, StoreIOBuffer::range(), and Splay< V >::size().

Referenced by MemStore::copyToShmSlice(), and store_client::scheduleMemRead().

copyAvailable()

size_t mem_hdr::copyAvailable ( mem_node *  aNode, int64_t  location, size_t  amount, char *  target  ) const

private

Definition at line 153 of file stmem.cc.

References assert, StoreIOBuffer::data, mem_node::end(), StoreIOBuffer::length, min(), mem_node::nodeBuffer, and StoreIOBuffer::offset.

Referenced by copy().

debugDump()

void mem_hdr::debugDump ( ) const

private

Definition at line 172 of file stmem.cc.

References debugs, endOffset(), getNodes(), lowestOffset(), and Splay< V >::visit().

Referenced by copy(), and write().

dump()

void mem_hdr::dump

(

)

const

Definition at line 361 of file stmem.cc.

References DBG_IMPORTANT, debugs, Splay< V >::finish(), nodes, and Splay< V >::start().

Referenced by MemObject::dump().

endOffset()

int64_t mem_hdr::endOffset

(

)

const

Definition at line 45 of file stmem.cc.

References assert, SplayNode< V >::data, mem_node::dataRange(), Splay< V >::finish(), inmem_hi, and nodes.

Referenced by debugDump(), MemObject::dump(), MemObject::endOffset(), MemObject::stat(), testLowAndHigh(), MemObject::write(), write(), and writeAvailable().

freeContent()

void mem_hdr::freeContent

(

)

Definition at line 59 of file stmem.cc.

References debugs, Splay< V >::destroy(), inmem_hi, and nodes.

Referenced by ~mem_hdr(), MemObject::~MemObject(), and MemObject::reset().

freeDataUpto()

int64_t mem_hdr::freeDataUpto

(

int64_t

target_offset

)

Definition at line 81 of file stmem.cc.

References assert, SplayNode< V >::data, debugs, mem_node::end(), Splay< V >::finish(), lowestOffset(), nodes, Splay< V >::start(), and unlink().

Referenced by MemObject::trimSwappable(), and MemObject::trimUnSwappable().

getBlockContainingLocation()

mem_node * mem_hdr::getBlockContainingLocation

(

int64_t

location

)

const

Definition at line 139 of file stmem.cc.

References Splay< V >::find(), StoreIOBuffer::length, mem_node::nodeBuffer, NodeCompare, and nodes.

Referenced by copy(), doPages(), and hasContigousContentRange().

getNodes()

const Splay< mem_node * > & mem_hdr::getNodes

(

)

const

Definition at line 374 of file stmem.cc.

References nodes.

Referenced by debugDump(), and testHdrVisit().

hasContigousContentRange()

bool mem_hdr::hasContigousContentRange

(

Range< int64_t > const &

range

)

const

Definition at line 247 of file stmem.cc.

References Range< C, S >::end, getBlockContainingLocation(), Range< C, S >::size(), and Range< C, S >::start.

Referenced by MemObject::isContiguous(), and testLowAndHigh().

lowestOffset()

int64_t mem_hdr::lowestOffset

(

)

const

Definition at line 34 of file stmem.cc.

References SplayNode< V >::data, mem_node::nodeBuffer, nodes, StoreIOBuffer::offset, and Splay< V >::start().

Referenced by debugDump(), freeDataUpto(), and testLowAndHigh().

NodeGet()

char * mem_hdr::NodeGet

(

mem_node *

aNode

)

Definition at line 26 of file stmem.cc.

References assert, mem_node::data, and mem_node::write_pending.

Referenced by doPages().

nodeToRecieve()

mem_node * mem_hdr::nodeToRecieve ( int64_t  offset )

private

Definition at line 271 of file stmem.cc.

References appendNode(), mem_node::canAccept(), SplayNode< V >::data, Splay< V >::find(), StoreIOBuffer::length, mem_node::nodeBuffer, NodeCompare, nodes, Splay< V >::size(), and Splay< V >::start().

Referenced by write().

size()

size_t mem_hdr::size

(

)

const

Definition at line 368 of file stmem.cc.

References nodes, and Splay< V >::size().

Referenced by StoreEntry::memoryCachable().

unionNotEmpty()

bool mem_hdr::unionNotEmpty ( StoreIOBuffer const &  candidate )

private

Definition at line 262 of file stmem.cc.

References assert, Splay< V >::find(), StoreIOBuffer::length, mem_node::nodeBuffer, NodeCompare, nodes, and StoreIOBuffer::offset.

Referenced by write().

unlink()

bool mem_hdr::unlink ( mem_node *  aNode )

private

Definition at line 67 of file stmem.cc.

References DBG_CRITICAL, debugs, NodeCompare, nodes, Splay< V >::remove(), and mem_node::write_pending.

Referenced by freeDataUpto().

write()

bool mem_hdr::write

(

StoreIOBuffer const &

writeBuffer

)

Definition at line 305 of file stmem.cc.

References assert, StoreIOBuffer::data, DBG_CRITICAL, debugDump(), debugs, endOffset(), fatal_dump(), StoreIOBuffer::length, nodeToRecieve(), StoreIOBuffer::offset, StoreIOBuffer::range(), unionNotEmpty(), and writeAvailable().

Referenced by MemStore::copyFromShmSlice(), testHdrVisit(), testLowAndHigh(), and MemObject::write().

writeAvailable()

size_t mem_hdr::writeAvailable ( mem_node *  aNode, int64_t  location, size_t  amount, char const *  source  )

private

Definition at line 104 of file stmem.cc.

References assert, mem_node::canAccept(), StoreIOBuffer::data, debugs, endOffset(), inmem_hi, StoreIOBuffer::length, min(), mem_node::nodeBuffer, StoreIOBuffer::offset, and mem_node::space().

Referenced by write().

Member Data Documentation

inmem_hi

int64_t mem_hdr::inmem_hi

private

Definition at line 52 of file stmem.h.

Referenced by mem_hdr(), endOffset(), freeContent(), and writeAvailable().

NodeCompare

int mem_hdr::NodeCompare

static

Definition at line 42 of file stmem.h.

Referenced by appendNode(), getBlockContainingLocation(), nodeToRecieve(), testSplayOfNodes(), unionNotEmpty(), and unlink().

nodes

Splay<mem_node *> mem_hdr::nodes

private

Definition at line 53 of file stmem.h.

Referenced by appendNode(), copy(), dump(), endOffset(), freeContent(), freeDataUpto(), getBlockContainingLocation(), getNodes(), lowestOffset(), nodeToRecieve(), size(), unionNotEmpty(), and unlink().

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

• src/stmem.h
• src/stmem.cc