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gr_FlowGraphImpl.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_FLOWGRAPHIMPL_H_
00024 #define _INCLUDED_GR_FLOWGRAPHIMPL_H_
00025 
00026 #include <gr_FlowGraph.h>
00027 #include <omnithread.h>
00028 #include <vector>
00029 
00030 class VrMultiTask;
00031 
00036 class gr_FlowGraphImpl : public gr_FlowGraph {
00037 private:
00038   bool                          d_run;
00039   bool                          d_has_been_started;
00040   omni_mutex                    d_mutex;
00041   omni_thread                  *d_thread;
00042   VrMultiTask                  *d_mt;
00043   std::vector<VrSigProc *>      d_sigprocs;
00044 
00045   bool add_sigproc (VrSigProc *);
00046 
00047   // NOT IMPLEMENTED
00048   gr_FlowGraphImpl (const gr_FlowGraphImpl &rhs);
00049   
00050 public:
00051   // CONSTRUCTORS
00052   gr_FlowGraphImpl ();
00053   ~gr_FlowGraphImpl ();
00054 
00055   // MANIPULATORS
00056   bool start ();
00057   void stop ();
00058   void wait ();
00059   bool connect (VrSigProc *upstream, VrSigProc *downstream);
00060   bool connect (VrSigProc *upstream, int upstream_port, VrSigProc *downstream);
00061 
00062   // ACCESSORS
00063   bool isRunning ();
00064 
00065   VrMultiTask *mt () { return d_mt; }
00066 };
00067 
00068 #endif /* _INCLUDED_GR_FLOWGRAPHIMPL_H_ */

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