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/* -*- c++ -*- */
/*
* Copyright 2007,2008,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_GR_TOP_BLOCK_IMPL_H
#define INCLUDED_GR_TOP_BLOCK_IMPL_H
#include "scheduler.h"
#include <gnuradio/api.h>
#include <gnuradio/thread/thread.h>
namespace gr {
/*!
*\brief Abstract implementation details of top_block
* \ingroup internal
*
* The actual implementation of top_block. Separate class allows
* decoupling of changes from dependent classes.
*/
class GR_RUNTIME_API top_block_impl
{
public:
top_block_impl(top_block* owner, bool catch_exceptions);
~top_block_impl();
// Create and start scheduler threads
void start(int max_noutput_items = 100000000);
// Signal scheduler threads to stop
void stop();
// Wait for scheduler threads to exit
void wait();
// Lock the top block to allow reconfiguration
void lock();
// Unlock the top block at end of reconfiguration
void unlock();
// Return a string list of edges
std::string edge_list();
// Return a string list of msg edges
std::string msg_edge_list();
// Dump the flowgraph to stdout
void dump();
// Get the number of max noutput_items in the flowgraph
int max_noutput_items();
// Set the maximum number of noutput_items in the flowgraph
void set_max_noutput_items(int nmax);
protected:
enum tb_state { IDLE, RUNNING };
top_block* d_owner;
flat_flowgraph_sptr d_ffg;
scheduler_sptr d_scheduler;
gr::thread::mutex d_mutex; // protects d_state and d_lock_count
tb_state d_state;
int d_lock_count;
bool d_retry_wait;
boost::condition_variable d_lock_cond;
int d_max_noutput_items;
bool d_catch_exceptions;
private:
void restart();
void wait_for_jobs();
gr::logger_ptr d_logger, d_debug_logger;
};
} /* namespace gr */
#endif /* INCLUDED_GR_TOP_BLOCK_IMPL_H */
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