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gr_FlowGraph.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2003 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 2, 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., 59 Temple Place - Suite 330,
00020  * Boston, MA 02111-1307, USA.
00021  */
00022 
00023 #ifndef _INCLUDED_GR_FLOWGRAPH_H_
00024 #define _INCLUDED_GR_FLOWGRAPH_H_
00025 
00026 class VrSigProc;
00027 
00035 class gr_FlowGraph {
00036 private:
00037   // NOT IMPLEMENTED
00038   // gr_FlowGraph (const gr_FlowGraph &rhs);
00039   gr_FlowGraph &operator= (const gr_FlowGraph &rhs);
00040 
00041 public:
00042   virtual ~gr_FlowGraph();
00043   virtual bool start () = 0;    // for thread(s) and return immediately
00044   virtual void stop () = 0;     // stop threads
00045   virtual void wait () = 0;     // wait for threads to stop (typically blocks forever)
00046   virtual bool isRunning () = 0;
00047   virtual bool connect (VrSigProc *upstream, VrSigProc *downstream) = 0;
00048   virtual bool connect (VrSigProc *upstream, int upstream_port,
00049                         VrSigProc *downstream) = 0;
00050 
00052   static gr_FlowGraph *make ();
00053 };
00054 
00055 #endif /* _INCLUDED_GR_FLOWGRAPH_H_ */

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