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//
// Copyright 2012 Josh Blum
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with io_sig program. If not, see <http://www.gnu.org/licenses/>.
#ifndef INCLUDED_LIBGNURADIO_ELEMENT_IMPL_HPP
#define INCLUDED_LIBGNURADIO_ELEMENT_IMPL_HPP
#include <tsbe/block.hpp>
#include <tsbe/topology.hpp>
#include <tsbe/executor.hpp>
#include <gnuradio/element.hpp>
#include <gnuradio/block.hpp>
#include <gr_types.h>
#include <vector>
#include <iostream>
#define HERE() std::cerr << __FILE__ << ":" << __LINE__ << std::endl << std::flush;
#define VAR(x) std::cerr << #x << " = " << (x) << std::endl << std::flush;
#define ASSERT(x) if(not (x)){HERE(); std::cerr << "assert failed: " << #x << std::endl << std::flush;}
static inline unsigned long myulround(const double x)
{
return (unsigned long)(x + 0.5);
}
static inline unsigned long long myullround(const double x)
{
return (unsigned long long)(x + 0.5);
}
struct TopBlockMessage
{
enum
{
UPDATE,
ACTIVE,
INERT,
HINT,
} what;
size_t hint;
};
namespace gnuradio
{
struct ElementImpl
{
//stuff for when its a block
std::string name;
long unique_id;
//per port properties
std::vector<size_t> input_items_sizes;
std::vector<size_t> output_items_sizes;
IOSignature input_signature;
IOSignature output_signature;
std::vector<size_t> input_history_items;
std::vector<size_t> output_multiple_items;
//keeps track of production
std::vector<uint64_t> items_consumed;
std::vector<uint64_t> items_produced;
//work buffers for the classic interface
gr_vector_const_void_star work_input_items;
gr_vector_void_star work_output_items;
gr_vector_int work_ninput_items;
//work buffers for the new work interface
Block::InputItems input_items;
Block::OutputItems output_items;
//track work's calls to produce and consume
std::vector<size_t> produce_items;
std::vector<size_t> consume_items;
//state for partial input buffer consumption
std::vector<size_t> input_buff_offsets;
//special buffer for dealing with history
std::vector<tsbe::Buffer> history_buffs;
//tag tracking
std::vector<bool> input_tags_changed;
std::vector<std::vector<Tag> > input_tags;
std::vector<std::vector<Tag> > output_tags;
Block::tag_propagation_policy_t tag_prop_policy;
//topological things
tsbe::Block block;
tsbe::Topology topology;
tsbe::Executor executor;
const tsbe::Element &get_elem(void) const
{
if (block) return block;
return topology;
}
//gets the handlers access for forecast and work
Block *block_ptr;
size_t hint; //some kind of allocation hint
//handlers
void handle_port_msg(const size_t, const tsbe::Wax &);
void topology_update(const tsbe::TaskInterface &, const tsbe::Wax &);
void handle_allocation(const tsbe::TaskInterface &);
void handle_task(const tsbe::TaskInterface &);
//is the fg running?
bool active;
//rate settings
bool enable_fixed_rate;
double relative_rate;
};
} //namespace gnuradio
#endif /*INCLUDED_LIBGNURADIO_ELEMENT_IMPL_HPP*/
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