mb_connection.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2006 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 along
00018  * with this program; if not, write to the Free Software Foundation, Inc.,
00019  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00020  */
00021 
00022 #ifndef INCLUDED_MB_CONNECTION_H
00023 #define INCLUDED_MB_CONNECTION_H
00024 
00025 #include <mb_endpoint.h>
00026 #include <list>
00027 
00028 /*!
00029  * \brief Representation of a connection
00030  */
00031 struct mb_connection {
00032   mb_endpoint   d_ep[2];
00033 
00034   mb_connection(const mb_endpoint &ep0, const mb_endpoint &ep1){
00035     d_ep[0] = ep0;
00036     d_ep[1] = ep1;
00037   }
00038 };
00039 
00040 typedef std::list<mb_connection>::iterator mb_conn_iter;
00041 typedef std::list<mb_connection>::const_iterator mb_conn_const_iter;
00042 
00043 /*!
00044  * \brief data structure that keeps track of connections
00045  */
00046 class mb_conn_table {
00047   std::list<mb_connection> d_connections;
00048 
00049 public:
00050   bool
00051   lookup_conn_by_name(const std::string &component_name,
00052                       const std::string &port_name,
00053                       mb_conn_iter *it, int *which_ep);
00054 
00055   bool
00056   lookup_conn_by_port(const mb_port *port,
00057                       mb_conn_iter *it, int *which_ep);
00058 
00059   void
00060   create_conn(const mb_endpoint &ep0, const mb_endpoint &ep1);
00061 
00062 
00063   void
00064   disconnect(const std::string &comp_name1, const std::string &port_name1,
00065              const std::string &comp_name2, const std::string &port_name2);
00066 
00067   void
00068   disconnect_component(const std::string component_name);
00069 
00070   void
00071   disconnect_all();
00072 
00073   int
00074   nconnections() const;
00075 
00076 };
00077 
00078 #endif /* INCLUDED_MB_CONNECTION_H */

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