gr::blocks::tagged_stream_to_pdu Class Reference

Turns received stream data and tags into PDUs and sends them through a message port.The sent message is a PMT-pair (created by pmt::cons()). The first element is a dictionary containing all the tags. The second is a vector containing the actual data. More...

#include <gnuradio/blocks/tagged_stream_to_pdu.h>

Public Types
typedef boost::shared_ptr < tagged_stream_to_pdu >	sptr

Static Public Member Functions
static sptr	make (pdu::vector_type type, const std::string &lengthtagname="packet_len")
	Construct a tagged_stream_to_pdu block.

Additional Inherited Members
Public Member Functions inherited from gr::tagged_stream_block
void	forecast (int noutput_items, gr_vector_int &ninput_items_required)
	Don't override this.
int	general_work (int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
virtual int	work (int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)=0
	Just like gr::block::general_work, but makes sure the input is valid.
Protected Types inherited from gr::basic_block
enum	vcolor { WHITE, GREY, BLACK }
Protected Member Functions inherited from gr::tagged_stream_block
	tagged_stream_block (void)
	tagged_stream_block (const std::string &name, gr::io_signature::sptr input_signature, gr::io_signature::sptr output_signature, const std::string &length_tag_key)
virtual void	parse_length_tags (const std::vector< std::vector< tag_t > > &tags, gr_vector_int &n_input_items_reqd)
	Parse all tags on the first sample of a PDU, return the number of items per input and prune the length tags.
virtual int	calculate_output_stream_length (const gr_vector_int &ninput_items)
	Calculate the number of output items.
virtual void	update_length_tags (int n_produced, int n_ports)
	Set the new length tags on the output stream.
Protected Attributes inherited from gr::tagged_stream_block
std::string	d_length_tag_key_str

Detailed Description

Turns received stream data and tags into PDUs and sends them through a message port.

The sent message is a PMT-pair (created by pmt::cons()). The first element is a dictionary containing all the tags. The second is a vector containing the actual data.

Member Typedef Documentation

typedef boost::shared_ptr<tagged_stream_to_pdu> gr::blocks::tagged_stream_to_pdu::sptr

Member Function Documentation

static sptr gr::blocks::tagged_stream_to_pdu::make ( pdu::vector_type  type, const std::string &  lengthtagname = "packet_len"  )

static

Construct a tagged_stream_to_pdu block.

Parameters

type	PDU type of pdu::vector_type
lengthtagname	The name of the tag that specifies how long the packet is.

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

• tagged_stream_to_pdu.h