Public Member Functions | Static Public Attributes | Private Member Functions | Private Attributes | List of all members
mem_hdr Class Reference

#include <stmem.h>

Collaboration diagram for mem_hdr:
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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 332 of file stmem.cc.

References debugs, and inmem_hi.

◆ ~mem_hdr()

mem_hdr::~mem_hdr ( )

Definition at line 337 of file stmem.cc.

References freeContent().

Member Function Documentation

◆ appendNode()

void mem_hdr::appendNode ( mem_node *  aNode)
private

Definition at line 128 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 187 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::readFromMemory().

◆ copyAvailable()

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

Definition at line 151 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 170 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 359 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(), write(), MemObject::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 MemObject::reset(), ~mem_hdr(), and MemObject::~MemObject().

◆ freeDataUpto()

int64_t mem_hdr::freeDataUpto ( int64_t  target_offset)

Definition at line 81 of file stmem.cc.

References 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 137 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 372 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 245 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 269 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 366 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 260 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 303 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 102 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 endOffset(), freeContent(), mem_hdr(), 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().

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

 

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