GNU Radio 3.6.0 C++ API
gr_hier_block2_detail.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2006,2007,2009 Free Software Foundation, Inc.
00004  *
00005  * This file is part of GNU Radio
00006  *
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  *
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 #ifndef INCLUDED_GR_HIER_BLOCK2_DETAIL_H
00023 #define INCLUDED_GR_HIER_BLOCK2_DETAIL_H
00024 
00025 #include <gr_core_api.h>
00026 #include <gr_hier_block2.h>
00027 #include <gr_flat_flowgraph.h>
00028 #include <boost/utility.hpp>
00029 
00030 /*!
00031  * \ingroup internal
00032  */
00033 class GR_CORE_API gr_hier_block2_detail : boost::noncopyable
00034 {
00035 public:
00036   gr_hier_block2_detail(gr_hier_block2 *owner);
00037   ~gr_hier_block2_detail();
00038 
00039   void connect(gr_basic_block_sptr block);
00040   void connect(gr_basic_block_sptr src, int src_port,
00041                gr_basic_block_sptr dst, int dst_port);
00042   void msg_connect(gr_basic_block_sptr pro, const std::string &name, gr_basic_block_sptr sub);
00043   void disconnect(gr_basic_block_sptr block);
00044   void disconnect(gr_basic_block_sptr, int src_port,
00045                   gr_basic_block_sptr, int dst_port);
00046   void msg_disconnect(gr_basic_block_sptr pro, const std::string &name, gr_basic_block_sptr sub);
00047   void disconnect_all();
00048   void lock();
00049   void unlock();
00050   void flatten_aux(gr_flat_flowgraph_sptr sfg) const;
00051 
00052 private:
00053 
00054   // Private implementation data
00055   gr_hier_block2 *d_owner;
00056   gr_hier_block2_detail *d_parent_detail;
00057   gr_flowgraph_sptr d_fg;
00058   std::vector<gr_endpoint_vector_t> d_inputs; // Multiple internal endpoints per external input
00059   gr_endpoint_vector_t d_outputs;             // Single internal endpoint per external output
00060   gr_basic_block_vector_t d_blocks;
00061 
00062   void connect_input(int my_port, int port, gr_basic_block_sptr block);
00063   void connect_output(int my_port, int port, gr_basic_block_sptr block);
00064   void disconnect_input(int my_port, int port, gr_basic_block_sptr block);
00065   void disconnect_output(int my_port, int port, gr_basic_block_sptr block);
00066 
00067   gr_endpoint_vector_t resolve_port(int port, bool is_input);
00068   gr_endpoint_vector_t resolve_endpoint(const gr_endpoint &endp, bool is_input) const;
00069 
00070   std::vector<gr_msg_connection> d_msg_connections;
00071 
00072   void flatten_msg_subscriptions(gr_flat_flowgraph_sptr sfg) const;
00073   std::vector<gr_basic_block_sptr> resolve_providers(const gr_msg_connection &) const;
00074   std::vector<gr_basic_block_sptr> resolve_subscribers(const gr_msg_connection &) const;
00075 };
00076 
00077 #endif /* INCLUDED_GR_HIER_BLOCK2_DETAIL_H */