BcastStateBin reads a file in written by StateInBin on node 0 and broadcasts it to all nodes so state can be simultaneously restored on all nodes. More...

#include <util/group/mstate.h>

Inheritance diagram for sc::BcastStateInBin:

Public Member Functions
	BcastStateInBin (const Ref< KeyVal > &)
	Create the BcastStateRecv using the default MessageGrp.

	BcastStateInBin (const Ref< MessageGrp > &, const char *filename)
	Create the BcastStateRecv.

virtual int	open (const char *name)

virtual void	close ()

void	seek (int loc)
	Set the current position in the file. More...

int	seekable ()
	Return non-zero if seek does anything sensible. More...

int	tell ()
	Return the current position in the file.

int	use_directory ()
	Returns true of this object uses a directory.

Public Member Functions inherited from sc::MsgStateBufRecv
	MsgStateBufRecv (const Ref< MessageGrp > &)
	MsgStateBufRecv can be initialized with a MessageGrp.

	MsgStateBufRecv ()
	Use the default MessageGrp.

void	set_buffer_size (int)
	The buffer size of statein and stateout objects that communicate with each other must match.

Public Member Functions inherited from sc::StateIn
virtual void	get_header ()
	Read in the header information. More...

virtual int	version (const ClassDesc *)
	Returns the version of the ClassDesc in the persistent object or -1 if info on the ClassDesc doesn't exist.

virtual int	getstring (char *&)
	This restores strings saved with StateOut::putstring.

int	node_to_node () const
	True if this is a node to node save/restore. More...

int	has_directory () const

virtual void	list_objects (std::ostream &=ExEnv::out0())
	List all the objects to the stream. More...

void	set_override (const Ref< KeyVal > &kv)
	Give this StateIn a KeyVal object that is used to override values.

const Ref< KeyVal > &	override () const
	Return the KeyVal used to override values.

virtual int	get (std::string &)

virtual int	get (char &r, const char *keyword=0)

virtual int	get (unsigned int &r, const char *keyword=0)

virtual int	get (int &r, const char *keyword=0)

virtual int	get (unsigned long int &r, const char *keyword=0)

virtual int	get (long int &r, const char *keyword=0)

virtual int	get (bool &r, const char *keyword=0)

virtual int	get (float &r, const char *keyword=0)

virtual int	get (double &r, const char *keyword=0)

virtual int	get (char *&)

virtual int	get (unsigned int *&)

virtual int	get (int *&)

virtual int	get (unsigned long int *&)

virtual int	get (long int *&)

virtual int	get (float *&)

virtual int	get (double *&)

virtual int	get_array_char (char *p, int size)

virtual int	get_array_uint (unsigned int *p, int size)

virtual int	get_array_int (int *p, int size)

virtual int	get_array_ulong (unsigned long *p, int size)

virtual int	get_array_long (long *p, int size)

virtual int	get_array_float (float *p, int size)

virtual int	get_array_double (double *p, int size)

template<template< typename, typename > class Container, class T , class A >
int	get (Container< T, A > &v)
	Read a Container that could be a standard (non-associative) C++ container such as std::vector or std::list.

template<class T , class A >
int	get (std::vector< T, A > &v)
	"Specialization" of the above get() to an std::vector

template<typename Key , typename Compare , typename Alloc >
int	get (std::set< Key, Compare, Alloc > &s)
	Read an std::set. This also works if Key or Value is a Ref to a SavableState.

template<typename Key , typename Value >
int	get (std::map< Key, Value > &map)
	Read an std::map. This also works if Key or Value is a Ref to a SavableState.

template<typename L , typename R >
int	get (std::pair< L, R > &v)
	Read an std::pair.

Public Member Functions inherited from sc::DescribedClass
	DescribedClass (const DescribedClass &)

DescribedClass &	operator= (const DescribedClass &)

ClassDesc *	class_desc () const MPQC__NOEXCEPT
	This returns the unique pointer to the ClassDesc corresponding to the given type_info object. More...

const char *	class_name () const
	Return the name of the object's exact type.

int	class_version () const
	Return the version of the class.

virtual void	print (std::ostream &=ExEnv::out0()) const
	Print the object.

Ref< DescribedClass >	ref ()
	Return this object wrapped up in a Ref smart pointer. More...

Public Member Functions inherited from sc::RefCount
size_t	identifier () const
	Return the unique identifier for this object that can be compared for different objects of different types. More...

int	lock_ptr () const
	Lock this object.

int	unlock_ptr () const
	Unlock this object.

void	use_locks (bool inVal)
	start and stop using locks on this object

refcount_t	nreference () const
	Return the reference count.

refcount_t	reference ()
	Increment the reference count and return the new count.

refcount_t	dereference ()
	Decrement the reference count and return the new count.

int	managed () const

void	unmanage ()
	Turn off the reference counting mechanism for this object. More...

Protected Member Functions
void	next_buffer ()
	Specializations must implement next_buffer().

int	get_array_void (void *, int)

Protected Member Functions inherited from sc::StateIn
int	push_key (const char *key)

void	pop_key (int n)

const char *	key ()

void	get_directory ()

int	directory_location () const

void	find_and_get_directory ()

virtual int	getobject (Ref< SavableState > &)
	This is used to restore an object. More...

virtual int	dir_getobject (Ref< SavableState > &, const char *name)
	This restores objects that are listed in the directory.

virtual void	haveobject (int, const Ref< SavableState > &)
	When storage has been allocated during object restoration, this routine is called with the object reference number and the pointer to the new storage so getpointer can find the data if it is referenced again.

virtual void	nextobject (int)
	A call to nextobject followed by havepointer(int) is equiv to havepointer(int,void**);.

virtual void	haveobject (const Ref< SavableState > &)

void	have_classdesc ()

int	need_classdesc ()

virtual int	get (const ClassDesc **)
	This restores ClassDesc's. More...

Protected Member Functions inherited from sc::RefCount
	RefCount (const RefCount &)

RefCount &	operator= (const RefCount &)

Protected Attributes
int	opened_

int	file_position_

std::streambuf *	buf_

Protected Attributes inherited from sc::MsgStateBufRecv
Ref< MessageGrp >	grp

int	nbuf

int	ibuf

int	bufsize

char *	buffer

char *	send_buffer

int	nheader

int *	nbuf_buffer

Protected Attributes inherited from sc::StateIn
Ref< KeyVal >	override_

TranslateDataIn *	translate_

std::map< int, StateInData >	ps_

int	expected_object_num_

std::map< ClassDescP, int >	classidmap_

std::map< int, StateClassData >	classdatamap_

int	nextclassid_

int	node_to_node_

int	version_

int	date_

char	userid_ [9]

char	format_

Detailed Description

BcastStateBin reads a file in written by StateInBin on node 0 and broadcasts it to all nodes so state can be simultaneously restored on all nodes.

Member Function Documentation

◆ seek()

void sc::BcastStateInBin::seek ( int )

virtual

Set the current position in the file.

The default implementation does nothing.

Reimplemented from sc::StateIn.

◆ seekable()

int sc::BcastStateInBin::seekable ( )

virtual

Return non-zero if seek does anything sensible.

The default implementation returns 0.

Reimplemented from sc::StateIn.

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

src/lib/util/group/mstate.h

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Function Documentation

◆ seek()

◆ seekable()