mb_port_simple.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2007,2008 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 #ifndef INCLUDED_MB_PORT_SIMPLE_H
00022 #define INCLUDED_MB_PORT_SIMPLE_H
00023 
00024 #include <mblock/port.h>
00025 
00026 /*!
00027  * \brief Concrete port realization
00028  */
00029 class mb_port_simple : public mb_port
00030 {
00031   bool                  d_cache_valid;
00032   mb_msg_accepter_sptr  d_cached_accepter;
00033 
00034 protected:
00035   static mb_msg_accepter_sptr
00036   find_accepter(mb_port_simple *start);
00037 
00038   mb_msg_accepter_sptr
00039   make_accepter();
00040 
00041 public:
00042   mb_port_simple(mb_mblock *mblock,
00043                  const std::string &port_name,
00044                  const std::string &protocol_class_name,
00045                  bool conjugated,
00046                  mb_port::port_type_t port_type);
00047 
00048   ~mb_port_simple();
00049 
00050   /*!
00051    * \brief send a message
00052    *
00053    * \param signal      the event name
00054    * \param data        optional data
00055    * \param metadata    optional metadata
00056    * \param priority    the urgency at which the message is sent
00057    */
00058   void
00059   send(pmt_t signal,
00060        pmt_t data = PMT_NIL,
00061        pmt_t metadata = PMT_NIL,
00062        mb_pri_t priority = MB_PRI_DEFAULT);
00063 
00064   /*
00065    * \brief Invalidate any cached peer resolutions
00066    * \internal
00067    */
00068   void invalidate_cache();
00069 
00070 };
00071 
00072 #endif /* INCLUDED_MB_PORT_SIMPLE_H */

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