GNU Radio 3.6.1 C++ API
gr_flat_flowgraph.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2006,2007 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with GNU Radio; see the file COPYING. If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef INCLUDED_GR_FLAT_FLOWGRAPH_H
24 #define INCLUDED_GR_FLAT_FLOWGRAPH_H
25 
26 #include <gr_core_api.h>
27 #include <gr_flowgraph.h>
28 #include <gr_block.h>
29 
30 // Create a shared pointer to a heap allocated gr_flat_flowgraph
31 // (types defined in gr_runtime_types.h)
33 
34 /*!
35  *\brief Class specializing gr_flat_flowgraph that has all nodes
36  * as gr_blocks, with no hierarchy
37  * \ingroup internal
38  */
40 {
41 public:
43 
44  // Destruct an arbitrary gr_flat_flowgraph
46 
47  // Wire gr_blocks together in new flat_flowgraph
48  void setup_connections();
49 
50  // Merge applicable connections from existing flat flowgraph
51  void merge_connections(gr_flat_flowgraph_sptr sfg);
52 
53  void dump();
54 
55  /*!
56  * Make a vector of gr_block from a vector of gr_basic_block
57  */
58  static gr_block_vector_t make_block_vector(gr_basic_block_vector_t &blocks);
59 
60 private:
62 
63  gr_block_detail_sptr allocate_block_detail(gr_basic_block_sptr block);
64  gr_buffer_sptr allocate_buffer(gr_basic_block_sptr block, int port);
65  void connect_block_inputs(gr_basic_block_sptr block);
66 
67  /* When reusing a flowgraph's blocks, this call makes sure all of the
68  * buffer's are aligned at the machine's alignment boundary and tells
69  * the blocks that they are aligned.
70  *
71  * Called from both setup_connections and merge_connections for
72  * start and restarts.
73  */
74  void setup_buffer_alignment(gr_block_sptr block);
75 };
76 
77 #endif /* INCLUDED_GR_FLAT_FLOWGRAPH_H */