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| author | Johnathan Corgan <johnathan@corganlabs.com> | 2013-03-27 20:41:40 -0700 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2013-03-27 20:41:40 -0700 |
| commit | 2caaabf8e1dd771174fd42e51c8c8090864638e6 (patch) | |
| tree | e58fe2bc53120acfd11aa6687fe5fa0aaa58ca71 /gnuradio-runtime/lib/gr_block_executor.h | |
| parent | 40ab0030dbe821c9ed475a0b73898040f4af581c (diff) | |
| parent | d7cde125dc3661a62e1013a4a017f0f1efa46e6e (diff) | |
Merge branch 'runtime-3.7' into next
Diffstat (limited to 'gnuradio-runtime/lib/gr_block_executor.h')
| -rw-r--r-- | gnuradio-runtime/lib/gr_block_executor.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gnuradio-runtime/lib/gr_block_executor.h b/gnuradio-runtime/lib/gr_block_executor.h new file mode 100644 index 0000000000..7d5c4949a3 --- /dev/null +++ b/gnuradio-runtime/lib/gr_block_executor.h @@ -0,0 +1,78 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2008 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * GNU Radio 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GNU Radio; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, + * Boston, MA 02110-1301, USA. + */ + +#ifndef INCLUDED_GR_BLOCK_EXECUTOR_H +#define INCLUDED_GR_BLOCK_EXECUTOR_H + +#include <gr_runtime_api.h> +#include <gr_runtime_types.h> +#include <fstream> +#include <gr_tags.h> + +//class gr_block_executor; +//typedef boost::shared_ptr<gr_block_executor> gr_block_executor_sptr; + + +/*! + * \brief Manage the execution of a single block. + * \ingroup internal + */ + +class GR_RUNTIME_API gr_block_executor { +protected: + gr_block_sptr d_block; // The block we're trying to run + std::ofstream *d_log; + + // These are allocated here so we don't have to on each iteration + + gr_vector_int d_ninput_items_required; + gr_vector_int d_ninput_items; + gr_vector_const_void_star d_input_items; + std::vector<bool> d_input_done; + gr_vector_void_star d_output_items; + std::vector<uint64_t> d_start_nitems_read; //stores where tag counts are before work + std::vector<gr_tag_t> d_returned_tags; + int d_max_noutput_items; + +#ifdef GR_PERFORMANCE_COUNTERS + bool d_use_pc; +#endif /* GR_PERFORMANCE_COUNTERS */ + + public: + gr_block_executor(gr_block_sptr block, int max_noutput_items=100000); + ~gr_block_executor (); + + enum state { + READY, // We made progress; everything's cool. + READY_NO_OUTPUT, // We consumed some input, but produced no output. + BLKD_IN, // no progress; we're blocked waiting for input data. + BLKD_OUT, // no progress; we're blocked waiting for output buffer space. + DONE, // we're done; don't call me again. + }; + + /* + * \brief Run one iteration. + */ + state run_one_iteration(); +}; + +#endif /* INCLUDED_GR_BLOCK_EXECUTOR_H */ |