diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-04-17 13:43:52 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-04-29 14:52:56 -0400 |
| commit | f3e2e07201c50033bf6c9d0c6a6f068557b4f17f (patch) | |
| tree | 140b3c2d20a951ffd4abd564c3378ee2e2f9fc7c /gnuradio-runtime/lib/top_block_impl.h | |
| parent | 35303ae975a5b1bdecc2492bc96e2b8e89b62a3d (diff) | |
runtime: converting runtime core to gr namespace, gnuradio include dir.
Diffstat (limited to 'gnuradio-runtime/lib/top_block_impl.h')
| -rw-r--r-- | gnuradio-runtime/lib/top_block_impl.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/gnuradio-runtime/lib/top_block_impl.h b/gnuradio-runtime/lib/top_block_impl.h new file mode 100644 index 0000000000..9e0e661a02 --- /dev/null +++ b/gnuradio-runtime/lib/top_block_impl.h @@ -0,0 +1,90 @@ +/* -*- c++ -*- */ +/* + * Copyright 2007,2008,2013 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_TOP_BLOCK_IMPL_H +#define INCLUDED_GR_TOP_BLOCK_IMPL_H + +#include <gnuradio/api.h> +#include "scheduler.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); + ~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(); + + // 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; + int d_max_noutput_items; + + private: + void restart(); + }; + +} /* namespace gr */ + +#endif /* INCLUDED_GR_TOP_BLOCK_IMPL_H */ |