Container for data, referenced by Buffer class. More...

#include <dabc/Buffer.h>

Inheritance diagram for dabc::BufferContainer:

Public Member Functions
virtual	~BufferContainer ()

Public Member Functions inherited from dabc::Object
bool	AddChild (Object *child, bool withmutex=true) throw ()
	Add object to list of child objects, thread safe More...

bool	AddChildAt (Object *child, unsigned pos, bool withmutex=true)
	Add object to list of child objects at specified position. More...

virtual void	BuildFieldsMap (RecordFieldsMap *cont)
	Fill fields map, which is relevant for the object Objects hierarchy produced from dabc::Manager. More...

virtual const char *	ClassName () const
	Returns class name of the object instance. More...

virtual bool	Find (ConfigIO &cfg)
	Method to locate object in xml file. More...

Object *	FindChild (const char *name) const
	returns pointer on child object with given name More...

Reference	FindChildRef (const char *name, bool force=false) const throw ()
	returns reference on child object with given name More...

bool	GetAllChildRef (ReferencesVector *vect) const

Object *	GetChild (unsigned n) const
	returns pointer on child object More...

Reference	GetChildRef (unsigned n) const
	returns reference on child object More...

Reference	GetFolder (const std::string &name, bool force=false) throw ()
	Return folder of specified name, no special symbols allowed. More...

const char *	GetName () const
	Returns name of the object, thread safe More...

Object *	GetParent () const
	Returns pointer on parent object, thread safe More...

Reference	GetParentRef () const

bool	IsChildsHidden () const
	Return true if object wants to hide childs from hierarchy scan, thread safe More...

bool	IsHidden () const
	Return true if object wants to be hidden from hierarchy scan, thread safe More...

bool	IsLogging () const
	Return true if object selected for logging, thread safe More...

bool	IsName (const char *str) const
	Checks if object name is same as provided string, thread safe More...

bool	IsName (const char *str, int len) const
	Checks if object name is same as provided, thread safe More...

bool	IsName (const std::string &str) const
	Checks if object name is same as provided string, thread safe More...

bool	IsNameMatch (const std::string &mask) const
	Check if object name match to the mask. More...

bool	IsOwner () const
	Returns true if object is owner of its children, thread safe More...

bool	IsParent (Object *obj) const
	Checks if specified argument is in the list of object parents. More...

bool	IsTopXmlLevel () const
	Return true if object should be searched in the top level of the xml file, thread safe More...

std::string	ItemName (bool compact=true) const
	Produce string, which can be used as name argument in dabc::mgr.FindItem(name) call. More...

unsigned	NumChilds () const
	returns number of child objects More...

	Object (const std::string &name, unsigned flags=flIsOwner)
	Resolve problem with child-parent mutex locking. More...

	Object (Reference parent, const std::string &name, unsigned flags=flIsOwner)

virtual void	Print (int lvl=0)
	Print object content on debug output. More...

bool	RemoveChild (Object *child, bool cleanup=true) throw ()
	Detach child from parent object If cleanup==true and parent is owner of child, child will be destroyed. More...

bool	RemoveChildAt (unsigned n, bool cleanup=true) throw ()
	Detach child object from parent at specified position If cleanup==true and object is owner of child, child will be destroyed. More...

bool	RemoveChilds (bool cleanup=true)
	Remove all childs. More...

void	SetLogging (bool on=true)
	Sets logging flag, thread safe More...

virtual	~Object ()

Protected Member Functions
	BufferContainer ()

void	operator delete (void *area)

void *	operator new (size_t sz)

void *	operator new (size_t sz, void *area)

Protected Member Functions inherited from dabc::Object
virtual void	_ChildsChanged ()
	Method called when new childs are add or old are removed. More...

virtual bool	_DoDeleteItself ()
	This method is called at the moment when DecReference think that object can be destroyed and wants to return true. More...

bool	_IsNormalState ()
	Same as IsNormalState() but without mutex lock - user should lock mutex himself. More...

virtual Object *	CreateInstance (const std::string &name)
	Method used to create new item to be placed as child of the object. More...

void	DeleteThis ()
	Method should be used by the object to delete itself. More...

virtual bool	DestroyByOwnThread ()
	Internal DABC method, used to activate object cleanup via object thread Returns: false - object cannot be cleanup by the thread, true - thread guarantees that DestroyCalledFromOwnThread() will be called from thread context. More...

bool	DestroyCalledFromOwnThread ()
	Internal DABC method, should be called by thread which was requested to destroy object. More...

void	FillFullName (std::string &fullname, Object *upto, bool exclude_top_parent=false) const
	Method used to produce full item name,. More...

bool	GetFlag (unsigned fl) const
	Return value of selected flag, not thread safe More...

bool	IsNormalState ()
	Return true if object is in normal state. More...

unsigned	NumReferences ()
	Return number of references on the object. More...

	Object (const ConstructorPair &pair, unsigned flags=flIsOwner)

virtual void	ObjectCleanup ()
	User method to cleanup object content before it will be destroyed Main motivation is to release any references on other objects to avoid any cross-references and as result deadlocks in objects cleanup. More...

virtual void	ObjectDestroyed (Object *)
	Method called by the manager when registered dependent object is destroyed Should be used in user class to clear all references on the object to let destroy it. More...

Mutex *	ObjectMutex () const
	Returns mutex, used for protection of Object data members. More...

void	SetAutoDestroy (bool on=true)
	Set autodestroy flag for the object Once enabled, object will be destroyed when last reference will be cleared. More...

void	SetFlag (unsigned fl, bool on=true)
	Change value of selected flag, not thread safe More...

void	SetName (const char *name)
	Changes object name. More...

void	SetNameDirect (const char *name)
	Changes object name disregard of existing references. More...

void	SetOwner (bool on=true)
	Specifies if object will be owner of its new childs. More...

Protected Attributes
unsigned	fCapacity
	capacity of segments list More...

unsigned	fNumSegments
	number of entries in segments list More...

Reference	fPool
	reference on the memory pool (or other object, containing memory) More...

MemSegment *	fSegm
	array of segments More...

unsigned	fTypeId
	buffer type, identifies content of the buffer More...

Protected Attributes inherited from dabc::Object
int	fObjectBlock
	counter for blocking calls, as long as non-zero, non of child can be removed More...

ReferencesVector *	fObjectChilds
	list of the child objects More...

unsigned	fObjectFlags
	flag, protected by the mutex More...

Mutex *	fObjectMutex
	mutex protects all private property of the object More...

std::string	fObjectName
	object name More...

Reference	fObjectParent
	reference on the parent object More...

int	fObjectRefCnt
	accounts how many references existing on the object, thread safe More...

Friends
class	Buffer

class	MemoryPool

Additional Inherited Members
Static Public Member Functions inherited from dabc::Object
static void	Destroy (Object *obj) throw ()
	User method for object destroyment. More...

static void	InspectGarbageCollector ()
	\ brief Methods to inspect how many objects pointers are remained More...

static bool	NameMatch (const std::string &name, const std::string &mask)
	Check if name matches to specified mask. More...

static bool	NameMatchM (const std::string &name, const std::string &mask)
	Check if name matches to specified mask. More...

static unsigned	NumInstances ()
	Static variable counts total number of objects instances. More...

Protected Types inherited from dabc::Object
enum	EFlags { flStateMask = 0x000f , flIsOwner = 0x0010 , flCleanup = 0x0020 , flHasThread = 0x0040 , flAutoDestroy = 0x0080 , flLogging = 0x0100 , flNoMutex = 0x0200 , flHidden = 0x0400 , flChildsHidden = 0x0800 , flTopXmlLevel = 0x1000 }

Static Protected Member Functions inherited from dabc::Object
static ConstructorPair	MakePair (const std::string &fullname, bool withmanager=true)
	Internal DABC method, used to produce pair - object parent and object name, which is typically should be used as argument in class constructor. More...

static ConstructorPair	MakePair (Object *prnt, const std::string &fullname, bool withmanager=true)
	Internal DABC method, used to produce pair - object parent and object name, which is typically should be used as argument in class constructor. More...

static ConstructorPair	MakePair (Reference prnt, const std::string &fullname, bool withmanager=true)
	Internal DABC method, used to produce pair - object parent and object name, which is typically should be used as argument in class constructor. More...

Detailed Description

Container for data, referenced by Buffer class.

It contains lists of memory segments from memory pool. In special case memory can be allocated and owned by container itself.

Definition at line 69 of file Buffer.h.

Constructor & Destructor Documentation

◆ BufferContainer()

dabc::BufferContainer::BufferContainer ( )

inlineprotected

Definition at line 83 of file Buffer.h.

◆ ~BufferContainer()

dabc::BufferContainer::~BufferContainer ( )

virtual

Definition at line 53 of file Buffer.cxx.

Member Function Documentation

◆ operator new() [1/2]

void* dabc::BufferContainer::operator new ( size_t sz )

inlineprotected

Definition at line 96 of file Buffer.h.

◆ operator new() [2/2]

void* dabc::BufferContainer::operator new	(	size_t	sz,
		void *	area
	)

inlineprotected

Definition at line 100 of file Buffer.h.

◆ operator delete()

void dabc::BufferContainer::operator delete ( void * area )

inlineprotected

Definition at line 105 of file Buffer.h.

Friends And Related Function Documentation

◆ Buffer

friend class Buffer

friend

Definition at line 70 of file Buffer.h.

◆ MemoryPool

friend class MemoryPool

friend

Definition at line 71 of file Buffer.h.

Field Documentation

◆ fTypeId

unsigned dabc::BufferContainer::fTypeId

protected

buffer type, identifies content of the buffer

Definition at line 74 of file Buffer.h.

◆ fNumSegments

unsigned dabc::BufferContainer::fNumSegments

protected

number of entries in segments list

Definition at line 76 of file Buffer.h.

◆ fCapacity

unsigned dabc::BufferContainer::fCapacity

protected

capacity of segments list

Definition at line 77 of file Buffer.h.

◆ fPool

Reference dabc::BufferContainer::fPool

protected

reference on the memory pool (or other object, containing memory)

Definition at line 79 of file Buffer.h.

◆ fSegm

MemSegment* dabc::BufferContainer::fSegm

protected

array of segments

Definition at line 81 of file Buffer.h.

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

base/dabc/Buffer.h
base/src/Buffer.cxx

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ BufferContainer()

◆ ~BufferContainer()

Member Function Documentation

◆ operator new() [1/2]

◆ operator new() [2/2]

◆ operator delete()

Friends And Related Function Documentation

◆ Buffer

◆ MemoryPool

Field Documentation

◆ fTypeId

◆ fNumSegments

◆ fCapacity

◆ fPool

◆ fSegm