GNU Radio 3.7.0-50 C++ API
gr::block_gateway Class Reference

#include <block_gateway.h>

Inheritance diagram for gr::block_gateway:
gr::block gr::basic_block gr::msg_accepter gr::messages::msg_accepter

Public Types

typedef boost::shared_ptr
< block_gateway
sptr
- Public Types inherited from gr::block
enum  { WORK_CALLED_PRODUCE = -2, WORK_DONE = -1 }
 Magic return values from general_work. More...
enum  tag_propagation_policy_t { TPP_DONT = 0, TPP_ALL_TO_ALL = 1, TPP_ONE_TO_ONE = 2 }

Public Member Functions

virtual block_gw_message_typeblock_message (void)=0
 Provide access to the shared message object.
long block__unique_id (void) const
std::string block__name (void) const
unsigned block__history (void) const
void block__set_history (unsigned history)
void block__set_fixed_rate (bool fixed_rate)
bool block__fixed_rate (void) const
void block__set_output_multiple (int multiple)
int block__output_multiple (void) const
void block__consume (int which_input, int how_many_items)
void block__consume_each (int how_many_items)
void block__produce (int which_output, int how_many_items)
void block__set_relative_rate (double relative_rate)
double block__relative_rate (void) const
uint64_t block__nitems_read (unsigned int which_input)
uint64_t block__nitems_written (unsigned int which_output)
block::tag_propagation_policy_t block__tag_propagation_policy (void)
void block__set_tag_propagation_policy (block::tag_propagation_policy_t p)
void block__add_item_tag (unsigned int which_output, const tag_t &tag)
void block__add_item_tag (unsigned int which_output, uint64_t abs_offset, const pmt::pmt_t &key, const pmt::pmt_t &value, const pmt::pmt_t &srcid=pmt::PMT_F)
std::vector< tag_tblock__get_tags_in_range (unsigned int which_input, uint64_t abs_start, uint64_t abs_end)
std::vector< tag_tblock__get_tags_in_range (unsigned int which_input, uint64_t abs_start, uint64_t abs_end, const pmt::pmt_t &key)
void block__message_port_register_in (pmt::pmt_t port_id)
void block__message_port_register_out (pmt::pmt_t port_id)
void block__message_port_pub (pmt::pmt_t port_id, pmt::pmt_t msg)
void block__message_port_sub (pmt::pmt_t port_id, pmt::pmt_t target)
void block__message_port_unsub (pmt::pmt_t port_id, pmt::pmt_t target)
pmt::pmt_t block__message_ports_in ()
pmt::pmt_t block__message_ports_out ()
void set_msg_handler_feval (pmt::pmt_t which_port, gr::feval_p *msg_handler)
- Public Member Functions inherited from gr::block
virtual ~block ()
unsigned history () const
void set_history (unsigned history)
bool fixed_rate () const
 Return true if this block has a fixed input to output rate.
virtual void forecast (int noutput_items, gr_vector_int &ninput_items_required)
 Estimate input requirements given output request.
virtual int general_work (int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
 compute output items from input items
virtual bool start ()
 Called to enable drivers, etc for i/o devices.
virtual bool stop ()
 Called to disable drivers, etc for i/o devices.
void set_output_multiple (int multiple)
 Constrain the noutput_items argument passed to forecast and general_work.
int output_multiple () const
bool output_multiple_set () const
void set_alignment (int multiple)
 Constrains buffers to work on a set item alignment (for SIMD)
int alignment () const
void set_unaligned (int na)
int unaligned () const
void set_is_unaligned (bool u)
bool is_unaligned () const
void consume (int which_input, int how_many_items)
 Tell the scheduler how_many_items of input stream which_input were consumed.
void consume_each (int how_many_items)
 Tell the scheduler how_many_items were consumed on each input stream.
void produce (int which_output, int how_many_items)
 Tell the scheduler how_many_items were produced on output stream which_output.
void set_relative_rate (double relative_rate)
 Set the approximate output rate / input rate.
double relative_rate () const
 return the approximate output rate / input rate
virtual int fixed_rate_ninput_to_noutput (int ninput)
 Given ninput samples, return number of output samples that will be produced. N.B. this is only defined if fixed_rate returns true. Generally speaking, you don't need to override this.
virtual int fixed_rate_noutput_to_ninput (int noutput)
 Given noutput samples, return number of input samples required to produce noutput. N.B. this is only defined if fixed_rate returns true. Generally speaking, you don't need to override this.
uint64_t nitems_read (unsigned int which_input)
 Return the number of items read on input stream which_input.
uint64_t nitems_written (unsigned int which_output)
 Return the number of items written on output stream which_output.
tag_propagation_policy_t tag_propagation_policy ()
 Asks for the policy used by the scheduler to moved tags downstream.
void set_tag_propagation_policy (tag_propagation_policy_t p)
 Set the policy by the scheduler to determine how tags are moved downstream.
int min_noutput_items () const
 Return the minimum number of output items this block can produce during a call to work.
void set_min_noutput_items (int m)
 Set the minimum number of output items this block can produce during a call to work.
int max_noutput_items ()
 Return the maximum number of output items this block will handle during a call to work.
void set_max_noutput_items (int m)
 Set the maximum number of output items this block will handle during a call to work.
void unset_max_noutput_items ()
 Clear the switch for using the max_noutput_items value of this block.
bool is_set_max_noutput_items ()
 Ask the block if the flag is or is not set to use the internal value of max_noutput_items during a call to work.
void expand_minmax_buffer (int port)
long max_output_buffer (size_t i)
 Returns max buffer size on output port i.
void set_max_output_buffer (long max_output_buffer)
 Sets max buffer size on all output ports.
void set_max_output_buffer (int port, long max_output_buffer)
 Sets max buffer size on output port port.
long min_output_buffer (size_t i)
 Returns min buffer size on output port i.
void set_min_output_buffer (long min_output_buffer)
 Sets min buffer size on all output ports.
void set_min_output_buffer (int port, long min_output_buffer)
 Sets min buffer size on output port port.
float pc_noutput_items ()
 Gets instantaneous noutput_items performance counter.
float pc_noutput_items_avg ()
 Gets average noutput_items performance counter.
float pc_noutput_items_var ()
 Gets variance of noutput_items performance counter.
float pc_nproduced ()
 Gets instantaneous num items produced performance counter.
float pc_nproduced_avg ()
 Gets average num items produced performance counter.
float pc_nproduced_var ()
 Gets variance of num items produced performance counter.
float pc_input_buffers_full (int which)
 Gets instantaneous fullness of which input buffer.
float pc_input_buffers_full_avg (int which)
 Gets average fullness of which input buffer.
float pc_input_buffers_full_var (int which)
 Gets variance of fullness of which input buffer.
std::vector< float > pc_input_buffers_full ()
 Gets instantaneous fullness of all input buffers.
std::vector< float > pc_input_buffers_full_avg ()
 Gets average fullness of all input buffers.
std::vector< float > pc_input_buffers_full_var ()
 Gets variance of fullness of all input buffers.
float pc_output_buffers_full (int which)
 Gets instantaneous fullness of which input buffer.
float pc_output_buffers_full_avg (int which)
 Gets average fullness of which input buffer.
float pc_output_buffers_full_var (int which)
 Gets variance of fullness of which input buffer.
std::vector< float > pc_output_buffers_full ()
 Gets instantaneous fullness of all output buffers.
std::vector< float > pc_output_buffers_full_avg ()
 Gets average fullness of all output buffers.
std::vector< float > pc_output_buffers_full_var ()
 Gets variance of fullness of all output buffers.
float pc_work_time ()
 Gets instantaneous clock cycles spent in work.
float pc_work_time_avg ()
 Gets average clock cycles spent in work.
float pc_work_time_var ()
 Gets average clock cycles spent in work.
void reset_perf_counters ()
 Resets the performance counters.
void setup_pc_rpc ()
 Sets up export of perf. counters to ControlPort. Only called by the scheduler.
bool is_pc_rpc_set ()
 Checks if this block is already exporting perf. counters to ControlPort.
void no_pc_rpc ()
 If the block calls this in its constructor, it's perf. counters will not be exported.
void set_processor_affinity (const std::vector< int > &mask)
 Set the thread's affinity to processor core n.
void unset_processor_affinity ()
 Remove processor affinity to a specific core.
std::vector< int > processor_affinity ()
 Get the current processor affinity.
int active_thread_priority ()
 Get the current thread priority in use.
int thread_priority ()
 Get the current thread priority stored.
int set_thread_priority (int priority)
 Set the current thread priority.
block_detail_sptr detail () const
void set_detail (block_detail_sptr detail)
- Public Member Functions inherited from gr::basic_block
virtual ~basic_block ()
long unique_id () const
long symbolic_id () const
std::string name () const
std::string symbol_name () const
gr::io_signature::sptr input_signature () const
gr::io_signature::sptr output_signature () const
basic_block_sptr to_basic_block ()
bool alias_set ()
std::string alias ()
pmt::pmt_t alias_pmt ()
void set_block_alias (std::string name)
void message_port_register_in (pmt::pmt_t port_id)
void message_port_register_out (pmt::pmt_t port_id)
void message_port_pub (pmt::pmt_t port_id, pmt::pmt_t msg)
void message_port_sub (pmt::pmt_t port_id, pmt::pmt_t target)
void message_port_unsub (pmt::pmt_t port_id, pmt::pmt_t target)
virtual bool message_port_is_hier (pmt::pmt_t port_id)
virtual bool message_port_is_hier_in (pmt::pmt_t port_id)
virtual bool message_port_is_hier_out (pmt::pmt_t port_id)
pmt::pmt_t message_ports_in ()
 Get input message port names.
pmt::pmt_t message_ports_out ()
 Get output message port names.
void _post (pmt::pmt_t which_port, pmt::pmt_t msg)
bool empty_p (pmt::pmt_t which_port)
 is the queue empty?
bool empty_p ()
bool empty_handled_p (pmt::pmt_t which_port)
 are all msg ports with handlers empty?
bool empty_handled_p ()
size_t nmsgs (pmt::pmt_t which_port)
 How many messages in the queue?
void insert_tail (pmt::pmt_t which_port, pmt::pmt_t msg)
pmt::pmt_t delete_head_nowait (pmt::pmt_t which_port)
pmt::pmt_t delete_head_blocking (pmt::pmt_t which_port)
msg_queue_t::iterator get_iterator (pmt::pmt_t which_port)
void erase_msg (pmt::pmt_t which_port, msg_queue_t::iterator it)
virtual bool has_msg_port (pmt::pmt_t which_port)
virtual void setup_rpc ()
 Set up the RPC registered variables.
bool is_rpc_set ()
 Ask if this block has been registered to the RPC.
void rpc_set ()
 When the block is registered with the RPC, set this.
virtual bool check_topology (int ninputs, int noutputs)
 Confirm that ninputs and noutputs is an acceptable combination.
template<typename T >
void set_msg_handler (pmt::pmt_t which_port, T msg_handler)
 Set the callback that is fired when messages are available.
- Public Member Functions inherited from gr::msg_accepter
 msg_accepter ()
 ~msg_accepter ()
void post (pmt::pmt_t which_port, pmt::pmt_t msg)
 send msg to msg_accepter on port which_port

Static Public Member Functions

static sptr make (gr::feval_ll *handler, const std::string &name, gr::io_signature::sptr in_sig, gr::io_signature::sptr out_sig, const block_gw_work_type work_type, const unsigned factor)

Protected Types

typedef std::map< pmt::pmt_t,
feval_p *, pmt::comperator
msg_handlers_feval_t

Protected Member Functions

bool has_msg_handler (pmt::pmt_t which_port)
 Tests if there is a handler attached to port which_port.
void dispatch_msg (pmt::pmt_t which_port, pmt::pmt_t msg)
- Protected Member Functions inherited from gr::block
 block (void)
 block (const std::string &name, gr::io_signature::sptr input_signature, gr::io_signature::sptr output_signature)
void set_fixed_rate (bool fixed_rate)
void add_item_tag (unsigned int which_output, uint64_t abs_offset, const pmt::pmt_t &key, const pmt::pmt_t &value, const pmt::pmt_t &srcid=pmt::PMT_F)
 Adds a new tag onto the given output buffer.
void add_item_tag (unsigned int which_output, const tag_t &tag)
 Adds a new tag onto the given output buffer.
void remove_item_tag (unsigned int which_input, uint64_t abs_offset, const pmt::pmt_t &key, const pmt::pmt_t &value, const pmt::pmt_t &srcid=pmt::PMT_F)
 Removes a tag from the given input buffer.
void remove_item_tag (unsigned int which_input, const tag_t &tag)
 Removes a tag from the given input buffer.
void get_tags_in_range (std::vector< tag_t > &v, unsigned int which_input, uint64_t abs_start, uint64_t abs_end)
 Given a [start,end), returns a vector of all tags in the range.
void get_tags_in_range (std::vector< tag_t > &v, unsigned int which_input, uint64_t abs_start, uint64_t abs_end, const pmt::pmt_t &key)
 Given a [start,end), returns a vector of all tags in the range with a given key.
- Protected Member Functions inherited from gr::basic_block
 basic_block (void)
 basic_block (const std::string &name, gr::io_signature::sptr input_signature, gr::io_signature::sptr output_signature)
 Protected constructor prevents instantiation by non-derived classes.
void set_input_signature (gr::io_signature::sptr iosig)
 may only be called during constructor
void set_output_signature (gr::io_signature::sptr iosig)
 may only be called during constructor
void set_color (vcolor color)
 Allow the flowgraph to set for sorting and partitioning.
vcolor color () const

Protected Attributes

msg_handlers_feval_t d_msg_handlers_feval
- Protected Attributes inherited from gr::block
std::vector< long > d_max_output_buffer
std::vector< long > d_min_output_buffer
gr::thread::mutex d_setlock
gr::logger_ptr d_logger
gr::logger_ptr d_debug_logger
- Protected Attributes inherited from gr::basic_block
std::string d_name
gr::io_signature::sptr d_input_signature
gr::io_signature::sptr d_output_signature
long d_unique_id
long d_symbolic_id
std::string d_symbol_name
std::string d_symbol_alias
vcolor d_color
bool d_rpc_set
msg_queue_map_t msg_queue
std::vector< boost::any > d_rpc_vars
pmt::pmt_t message_subscribers

Detailed Description

The gateway block which performs all the magic.

The gateway provides access to all the gr::block routines. The methods prefixed with gr::block__ are renamed to class methods without the prefix in python.

Member Typedef Documentation

Member Function Documentation

void gr::block_gateway::block__add_item_tag ( unsigned int  which_output,
const tag_t tag 
)
inline
void gr::block_gateway::block__add_item_tag ( unsigned int  which_output,
uint64_t  abs_offset,
const pmt::pmt_t key,
const pmt::pmt_t value,
const pmt::pmt_t srcid = pmt::PMT_F 
)
inline
void gr::block_gateway::block__consume ( int  which_input,
int  how_many_items 
)
inline

References gr::block::consume().

void gr::block_gateway::block__consume_each ( int  how_many_items)
inline
bool gr::block_gateway::block__fixed_rate ( void  ) const
inline
std::vector<tag_t> gr::block_gateway::block__get_tags_in_range ( unsigned int  which_input,
uint64_t  abs_start,
uint64_t  abs_end 
)
inline
std::vector<tag_t> gr::block_gateway::block__get_tags_in_range ( unsigned int  which_input,
uint64_t  abs_start,
uint64_t  abs_end,
const pmt::pmt_t key 
)
inline
unsigned gr::block_gateway::block__history ( void  ) const
inline

References gr::block::history().

void gr::block_gateway::block__message_port_pub ( pmt::pmt_t  port_id,
pmt::pmt_t  msg 
)
inline
void gr::block_gateway::block__message_port_register_in ( pmt::pmt_t  port_id)
inline
void gr::block_gateway::block__message_port_register_out ( pmt::pmt_t  port_id)
inline
void gr::block_gateway::block__message_port_sub ( pmt::pmt_t  port_id,
pmt::pmt_t  target 
)
inline
void gr::block_gateway::block__message_port_unsub ( pmt::pmt_t  port_id,
pmt::pmt_t  target 
)
inline
pmt::pmt_t gr::block_gateway::block__message_ports_in ( )
inline
pmt::pmt_t gr::block_gateway::block__message_ports_out ( )
inline
std::string gr::block_gateway::block__name ( void  ) const
inline
uint64_t gr::block_gateway::block__nitems_read ( unsigned int  which_input)
inline
uint64_t gr::block_gateway::block__nitems_written ( unsigned int  which_output)
inline
int gr::block_gateway::block__output_multiple ( void  ) const
inline
void gr::block_gateway::block__produce ( int  which_output,
int  how_many_items 
)
inline

References gr::block::produce().

double gr::block_gateway::block__relative_rate ( void  ) const
inline
void gr::block_gateway::block__set_fixed_rate ( bool  fixed_rate)
inline
void gr::block_gateway::block__set_history ( unsigned  history)
inline
void gr::block_gateway::block__set_output_multiple ( int  multiple)
inline
void gr::block_gateway::block__set_relative_rate ( double  relative_rate)
inline
void gr::block_gateway::block__set_tag_propagation_policy ( block::tag_propagation_policy_t  p)
inline
block::tag_propagation_policy_t gr::block_gateway::block__tag_propagation_policy ( void  )
inline
long gr::block_gateway::block__unique_id ( void  ) const
inline
virtual block_gw_message_type& gr::block_gateway::block_message ( void  )
pure virtual

Provide access to the shared message object.

void gr::block_gateway::dispatch_msg ( pmt::pmt_t  which_port,
pmt::pmt_t  msg 
)
inlineprotectedvirtual

Reimplemented from gr::basic_block.

References gr::basic_block::dispatch_msg().

bool gr::block_gateway::has_msg_handler ( pmt::pmt_t  which_port)
inlineprotectedvirtual

Tests if there is a handler attached to port which_port.

Reimplemented from gr::basic_block.

static sptr gr::block_gateway::make ( gr::feval_ll handler,
const std::string &  name,
gr::io_signature::sptr  in_sig,
gr::io_signature::sptr  out_sig,
const block_gw_work_type  work_type,
const unsigned  factor 
)
static

Make a new gateway block.

Parameters
handlerthe swig director object with callback
namethe name of the block (Ex: "Shirley")
in_sigthe input signature for this block
out_sigthe output signature for this block
work_typethe type of block overload to implement
factorthe decimation or interpolation factor
Returns
a new gateway block
void gr::block_gateway::set_msg_handler_feval ( pmt::pmt_t  which_port,
gr::feval_p msg_handler 
)
inline

Member Data Documentation

msg_handlers_feval_t gr::block_gateway::d_msg_handlers_feval
protected

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