Produces TimeSeries data by integrating an Input with an Unpacker. More...

#include <IOManager.h>

Inheritance diagram for dsp::IOManager:

Public Member Functions
	IOManager ()
	Constructor.

IOManager *	clone () const override
	Return a default constructed clone of self.

virtual void	open (const std::string &id)
	Prepare the appropriate Input and Unpacker. More...

Public Member Functions inherited from dsp::UnpackerSource< Unpacker, Input >
	UnpackerSource (const char *name)
	Constructor.

bool	get_order_supported (TimeSeries::Order) const
	Return true if the source supports the specified output order.

void	set_output_order (TimeSeries::Order)
	Set the order of the dimensions in the output TimeSeries.

bool	get_device_supported (Memory *) const
	Return true if the unpacker can operate on the specified device.

void	set_device (Memory *)
	Set the device on which the unpacker will operate.

void	prepare ()
	Prepare the input and unpacker.

void	reserve ()
	Reserve the maximum amount of output space required.

void	add_extensions (Extensions *)
	Add any input and unpacker extensions.

void	combine (const Operation *)
	Combine the input and unpacker.

void	reset ()
	Reset the input and unpacker.

void	report () const
	Report operation statistics.

uint64_t	bytes_storage () const override
	The number of bytes of additional storage used by the operation.

uint64_t	bytes_scratch () const override
	The number of bytes of scratch space used by the operation.

const Input *	get_input () const
	Return pointer to the appropriate InputType.

Input *	get_input ()
	Return pointer to the input.

void	set_input (Input *input)
	Set the InputType operator (should not normally need to be used)

const Unpacker *	get_unpacker () const
	Return pointer to the appropriate UnpackerType.

Unpacker *	get_unpacker ()

void	set_unpacker (Unpacker *unpacker)
	Set the UnpackerType (should not normally need to be used)

void	set_output (TimeSeries *output)
	Set the TimeSeries object used to store output data.

TimeSeries *	get_output ()
	Get the TimeSeries object used to store output data.

bool	has_output () const
	Return true if this object has a TimeSeries object to store output data.

virtual void	set_bit_container (BitContainerType *)
	Set the container into which intermediate raw data will be loaded.

void	set_post_load_operation (Operation *op)
	Set custom post load operation.

uint64_t	get_resolution () const
	Get the minimum number of time samples that can be output by the source.

virtual void	load (TimeSeries *data)
	Load and convert the next block of data.

virtual void	set_scratch (Scratch *scratch)
	Set the scratch space.

virtual void	set_cerr (std::ostream &os) const
	Set verbosity ostream.

Public Member Functions inherited from dsp::InputSource< Input >
	InputSource (const char *name)
	Constructor.

const Observation *	get_info () const override
	Get the Observation attributes that describe the source.

Observation *	get_info () override
	Get the Observation attributes that describe the source.

uint64_t	get_total_samples () const override
	Get the total number of time samples available (return 0 if unknown)

uint64_t	get_current_sample () const override
	Get the current time sample offset from the start.

double	get_current_time () const override
	Get the current time offset from the start in seconds.

void	seek_time (double second) override
	Seek to the specified time in seconds.

void	set_total_time (double second)
	Truncate the time series at the specified second.

bool	end_of_data () const override
	Return true when the end of data has been reached.

void	restart () override
	Start again from the beginning, if possible.

void	set_block_size (uint64_t block_size) override
	Set the desired number of time samples per segment output by the source.

uint64_t	get_block_size () const override
	Get the number of time samples per segment output by the source.

void	set_overlap (uint64_t overlap) override
	Set the number of time samples by which output segments should overlap.

uint64_t	get_overlap () const override
	Set the number of time samples by which segments of output TimeSeries data overlap.

void	share (Source *that) override
	Share any resources that can/should be shared between threads.

void	set_context (ThreadContext *context) override
	In multi-threaded programs, a mutual exclusion and a condition.

Public Member Functions inherited from dsp::Source
	Source (const char *name)
	Constructor.

virtual	~Source ()
	Destructor.

Operation::Function	get_function () const override
	Each Source object is classified as a Producer Operation.

virtual const Observation *	get_info () const =0
	Get the const Observation attributes that describe the source.

virtual bool	has_output () const =0
	Return true if this object has a TimeSeries object to store output data.

virtual uint64_t	get_total_samples () const =0
	Get the total number of time samples available (return 0 if unknown)

virtual uint64_t	get_current_sample () const =0
	Get the current time sample offset from the start of data.

virtual double	get_current_time () const =0
	Get the current time offset from the start of data in seconds.

virtual bool	end_of_data () const =0
	Return true when the end of data has been reached.

virtual uint64_t	get_block_size () const =0
	Get the number of time samples per segment output by the source. More...

virtual uint64_t	get_overlap () const =0
	Set the number of time samples by which segments of output TimeSeries data overlap.

Public Member Functions inherited from dsp::Operation
	Operation (const char *name)
	All sub-classes must specify a unique name. More...

	Operation (const Operation &)
	Copy constructor.

virtual	~Operation ()
	Virtual destructor.

virtual bool	operate ()
	Call this method to operate on data Returns false on failure. More...

virtual void	report () const
	Report operation statistics.

std::string	get_name () const
	Return the unique name of this operation.

double	get_total_time () const
	Return the total time spent on this Operation in seconds.

double	get_elapsed_time () const
	Get the time spent in the last invocation of operate()

virtual uint64_t	get_total_weights () const
	Return the total number of timesample weights encountered. More...

virtual uint64_t	get_discarded_weights () const
	Return the number of invalid timesample weights encountered.

int	get_id ()
	Inquire the unique instantiation id.

virtual double	get_delay_time () const
	Get the time delay of this operation, if any, in seconds.

bool	scratch_was_set () const

virtual uint64_t	bytes_storage () const
	The number of bytes of additional storage used by the operation.

virtual uint64_t	bytes_scratch () const
	The number of bytes of scratch space used by the operation. More...

Public Member Functions inherited from OwnStream
	OwnStream (const OwnStream &)

const OwnStream &	operator= (const OwnStream &)

virtual void	set_cout (std::ostream &) const

Public Member Functions inherited from Reference::Able
	Able (const Able &)

Able &	operator= (const Able &)

unsigned	get_reference_count () const

Public Member Functions inherited from Reference::HeapTracked
	HeapTracked (const HeapTracked &)

HeapTracked &	operator= (const HeapTracked &)

bool	__is_on_heap () const

Additional Inherited Members
Public Types inherited from dsp::UnpackerSource< Unpacker, Input >
typedef Input ::OutputType	BitContainerType

Public Types inherited from dsp::Operation
enum	Function { Producer, Procedural, Structural }
	The function of the operator. More...

Static Public Member Functions inherited from Reference::Able
static size_t	get_instance_count ()

Static Public Member Functions inherited from Reference::HeapTracked
static void *	operator new (size_t size, void *ptr=0)

static void	operator delete (void location, void ptr)

static void	operator delete (void *location)

static size_t	get_heap_queue_size ()

Static Public Attributes inherited from dsp::Operation
static bool	record_time = false
	Global flag enables stopwatch to record the time spent operating. More...

static bool	report_time = true
	Global flag enables report of time spent in operation on descruction. More...

static bool	verbose = false
	Global verbosity flag.

static int	operation_status = 0
	Operations can set this to non-zero in operation() if they fail.

static bool	check_state = true
	Operations should perform internal consistency checks.

static int	instantiation_count = 0
	Counts how many Operation instantiations there have been Used for setting the unique instantiation ID. More...

Protected Member Functions inherited from dsp::UnpackerSource< Unpacker, Input >
virtual void	operation ()
	Load the TimeSeries specified with set_output.

Protected Member Functions inherited from dsp::Operation
virtual bool	can_operate ()
	Return false if the operation doesn't have enough data to proceed.

virtual void	set_name (const std::string &_name)
	Set the name!

int	timers_index (const std::string &op_name)
	Returns the index in the 'timers' array of a particular timer.

Protected Member Functions inherited from Reference::Able
Handle *	__reference (bool active) const

void	__dereference (bool auto_delete=true) const

Protected Attributes inherited from dsp::UnpackerSource< Unpacker, Input >
Reference::To< Input >	input
	Appropriate InputType subclass.

Reference::To< Unpacker >	unpacker
	Appropriate UnpackerType subclass.

Reference::To< BitContainerType >	bit_container
	The container in which the intermediate raw data is loaded.

Reference::To< TimeSeries >	output
	The container in which the TimeSeries data is unpacked.

Reference::To< Operation >	post_load_operation
	Optional operation performed between load and unpack.

Protected Attributes inherited from dsp::Operation
Scratch *	scratch
	Shared scratch space, if needed.

bool	set_scratch_called

std::string	name
	Operation name.

uint64_t	discarded_weights
	Number of time sample weights encountered that are flagged invalid.

uint64_t	total_weights
	Total number of time sample weights encountered.

RealTimer	optime
	Stop watch records the amount of time spent performing this operation.

int	id
	Unique instantiation id.

bool	prepared
	Set true when preparation optimizations are completed.

Detailed Description

Produces TimeSeries data by integrating an Input with an Unpacker.

Member Function Documentation

◆ open()

void dsp::IOManager::open ( const std::string & id )

virtual

Prepare the appropriate Input and Unpacker.

Parameters

id	string containing the id of the data source. The source id may be a: filename a comma separated list of filenames to be treated as one observation a string of the form "IPC:xx", where "xx" is a shared memory key

Precondition: This function is not fully implemented.

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

IOManager.h
IOManager.C

Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ open()