A std::ostream buffering and/or retaining data in a binary format. More...

#include <dataOStream.h>

Inheritance diagram for co::DataOStream:

Collaboration diagram for co::DataOStream:

Public Member Functions
Internal
CO_API	DataOStream ()
virtual CO_API	~DataOStream ()
CO_API void	disable ()
	Disable, flush and unlock the output to the current receivers.
void	enableSave ()
	Enable copying of all data into a saved buffer.
void	disableSave ()
	Disable copying of all data into a saved buffer.
bool	hasSentData () const
Data output
template<typename T >
DataOStream &	operator<< (const T &value)
	Write a plain data item by copying it to the stream.
template<typename T >
DataOStream &	operator<< (const std::vector< T > &value)
	Write a std::vector of serializable items.
CO_API void	write (const void *data, uint64_t size)
	Write a number of bytes from data into the stream.
template<typename C >
void	serializeChildren (const std::vector< C * > &children)
	Serialize child objects.
Specialized output operators
template<>
DataOStream &	operator<< (const std::string &str)
	Write a std::string.
template<>
DataOStream &	operator<< (const Object *const &object)
	Write an object identifier and version.
template<>
DataOStream &	operator<< (const std::vector< uint8_t > &value)
	Optimized specialization to write a std::vector of uint8_t.
template<>
DataOStream &	operator<< (const std::vector< uint16_t > &value)
	Optimized specialization to write a std::vector of uint16_t.
template<>
DataOStream &	operator<< (const std::vector< int16_t > &value)
	Optimized specialization to write a std::vector of int16_t.
template<>
DataOStream &	operator<< (const std::vector< uint32_t > &value)
	Optimized specialization to write a std::vector of uint32_t.
template<>
DataOStream &	operator<< (const std::vector< int32_t > &value)
	Optimized specialization to write a std::vector of int32_t.
template<>
DataOStream &	operator<< (const std::vector< uint64_t > &value)
	Optimized specialization to write a std::vector of uint64_t.
template<>
DataOStream &	operator<< (const std::vector< int64_t > &value)
	Optimized specialization to write a std::vector of int64_t.
template<>
DataOStream &	operator<< (const std::vector< float > &value)
	Optimized specialization to write a std::vector of float.
template<>
DataOStream &	operator<< (const std::vector< double > &value)
	Optimized specialization to write a std::vector of double.
template<>
DataOStream &	operator<< (const std::vector< ObjectVersion > &value)
	Optimized specialization to write a std::vector of ObjectVersion.
Protected Member Functions
void	_initCompressor (const uint32_t compressor)
	Initialize the given compressor.
CO_API void	_enable ()
	Enable output.
void	_flush ()
	Flush remaining data in the buffer.
void	_setupConnections (const Nodes &receivers)
	Set up the connection list for a group of nodes, using multicast where possible.
void	_setupConnection (NodePtr node, const bool useMulticast)
	Set up the connection (list) for one node.
void	_resend ()
	Resend the saved buffer to all enabled connections.
virtual CO_API void	reset ()
	Reset the whole stream.
Packet sending, used by the subclasses
virtual void	sendData (const void *buffer, const uint64_t size, const bool last)=0
	Send a data buffer (packet) to the receivers.
template<typename P >
void	sendPacket (P &packet, const void *buffer, const uint64_t size, const bool last)
Friends
class	DataStreamTest::Sender

Detailed Description

A std::ostream buffering and/or retaining data in a binary format.

Derived classes send the data using the appropriate command packets.

Definition at line 43 of file dataOStream.h.

Member Function Documentation

CO_API void co::DataOStream::_enable ( ) [protected]

Enable output.

void co::DataOStream::_flush ( ) [protected]

Flush remaining data in the buffer.

void co::DataOStream::_initCompressor ( const uint32_t compressor ) [protected]

Initialize the given compressor.

void co::DataOStream::_resend ( ) [protected]

Resend the saved buffer to all enabled connections.

void co::DataOStream::_setupConnection	(	NodePtr	node,
		const bool	useMulticast
	)		`[protected]`

Set up the connection (list) for one node.

CO_API void co::DataOStream::disable ( )

Disable, flush and unlock the output to the current receivers.

void co::DataOStream::disableSave ( )

Disable copying of all data into a saved buffer.

void co::DataOStream::enableSave ( )

Enable copying of all data into a saved buffer.

bool co::DataOStream::hasSentData ( ) const [inline]

Returns:: if data was sent since the last enable()

Definition at line 61 of file dataOStream.h.

template<>

DataOStream& co::DataOStream::operator<< ( const std::vector< uint16_t > & value ) [inline]

Optimized specialization to write a std::vector of uint16_t.

Definition at line 258 of file dataOStream.h.

template<>

DataOStream& co::DataOStream::operator<< ( const Object *const & object ) [inline]

Write an object identifier and version.

Definition at line 215 of file dataOStream.h.

References co::Object::isAttached().

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template<>

DataOStream& co::DataOStream::operator<< ( const std::vector< int16_t > & value ) [inline]

Optimized specialization to write a std::vector of int16_t.

Definition at line 263 of file dataOStream.h.

template<>

DataOStream& co::DataOStream::operator<< ( const std::vector< int32_t > & value ) [inline]

Optimized specialization to write a std::vector of int32_t.

Definition at line 273 of file dataOStream.h.

template<>

DataOStream& co::DataOStream::operator<< ( const std::string & str ) [inline]

Write a std::string.

Definition at line 203 of file dataOStream.h.

References write().

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template<typename T >

DataOStream& co::DataOStream::operator<< ( const T & value ) [inline]

Write a plain data item by copying it to the stream.

Definition at line 67 of file dataOStream.h.

References write().

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template<>

DataOStream& co::DataOStream::operator<< ( const std::vector< double > & value ) [inline]

Optimized specialization to write a std::vector of double.

Definition at line 293 of file dataOStream.h.

template<>

DataOStream& co::DataOStream::operator<< ( const std::vector< int64_t > & value ) [inline]

Optimized specialization to write a std::vector of int64_t.

Definition at line 283 of file dataOStream.h.

template<typename T >

DataOStream& co::DataOStream::operator<< ( const std::vector< T > & value )

Write a std::vector of serializable items.

template<>

DataOStream& co::DataOStream::operator<< ( const std::vector< uint8_t > & value ) [inline]

Optimized specialization to write a std::vector of uint8_t.

Definition at line 253 of file dataOStream.h.

template<>

DataOStream& co::DataOStream::operator<< ( const std::vector< ObjectVersion > & value ) [inline]

Optimized specialization to write a std::vector of ObjectVersion.

Definition at line 298 of file dataOStream.h.

template<>

DataOStream& co::DataOStream::operator<< ( const std::vector< uint32_t > & value ) [inline]

Optimized specialization to write a std::vector of uint32_t.

Definition at line 268 of file dataOStream.h.

template<>

DataOStream& co::DataOStream::operator<< ( const std::vector< uint64_t > & value ) [inline]

Optimized specialization to write a std::vector of uint64_t.

Definition at line 278 of file dataOStream.h.

template<>

DataOStream& co::DataOStream::operator<< ( const std::vector< float > & value ) [inline]

Optimized specialization to write a std::vector of float.

Definition at line 288 of file dataOStream.h.

virtual CO_API void co::DataOStream::reset ( ) [protected, virtual]

Reset the whole stream.

virtual void co::DataOStream::sendData	(	const void *	buffer,
		const uint64_t	size,
		const bool	last
	)		`[protected, pure virtual]`

Send a data buffer (packet) to the receivers.

template<typename C >

void co::DataOStream::serializeChildren ( const std::vector< C * > & children )

Serialize child objects.

The DataIStream has a deserialize counterpart to this method. All child objects have to be registered or mapped beforehand.

CO_API void co::DataOStream::write	(	const void *	data,
		uint64_t	size
	)

Write a number of bytes from data into the stream.

Referenced by operator<<(), eqNbody::SharedDataProxy::serialize(), and eqNbody::FrameData::serialize().

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

dataOStream.h

co::DataOStream Class Reference

Public Member Functions

Protected Member Functions

Friends

Detailed Description

Member Function Documentation