78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2004,2008,2013 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_GR_RUNTIME_BLOCK_EXECUTOR_H
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#define INCLUDED_GR_RUNTIME_BLOCK_EXECUTOR_H
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#include <gnuradio/api.h>
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#include <gnuradio/runtime_types.h>
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#include <fstream>
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#include <stdint.h>
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namespace gr {
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/*!
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* \brief Manage the execution of a single block.
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* \ingroup internal
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*/
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class GR_RUNTIME_API block_executor
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{
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protected:
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block_sptr d_block; // The block we're trying to run
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std::ofstream *d_log;
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// These are allocated here so we don't have to on each iteration
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gr_vector_int d_ninput_items_required;
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gr_vector_int d_ninput_items;
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gr_vector_const_void_star d_input_items;
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std::vector<bool> d_input_done;
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gr_vector_void_star d_output_items;
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std::vector<uint64_t> d_start_nitems_read; //stores where tag counts are before work
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int d_max_noutput_items;
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#ifdef GR_PERFORMANCE_COUNTERS
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bool d_use_pc;
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#endif /* GR_PERFORMANCE_COUNTERS */
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public:
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block_executor(block_sptr block, int max_noutput_items=100000);
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~block_executor();
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enum state {
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READY, // We made progress; everything's cool.
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READY_NO_OUTPUT, // We consumed some input, but produced no output.
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BLKD_IN, // no progress; we're blocked waiting for input data.
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BLKD_OUT, // no progress; we're blocked waiting for output buffer space.
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DONE, // we're done; don't call me again.
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};
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/*
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* \brief Run one iteration.
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*/
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state run_one_iteration();
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};
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} /* namespace gr */
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#endif /* INCLUDED_GR_RUNTIME_BLOCK_EXECUTOR_H */
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