GNU Radio 3.5.3.2 C++ API
|
00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2005 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 00023 #ifndef INCLUDED_GR_DISPATCHER_H 00024 #define INCLUDED_GR_DISPATCHER_H 00025 00026 #include <gr_core_api.h> 00027 #include <gr_select_handler.h> 00028 #include <vector> 00029 00030 class gr_dispatcher; 00031 typedef boost::shared_ptr<gr_dispatcher> gr_dispatcher_sptr; 00032 00033 GR_CORE_API gr_dispatcher_sptr gr_dispatcher_singleton(); 00034 GR_CORE_API gr_dispatcher_sptr gr_make_dispatcher(); 00035 00036 /*! 00037 * \brief invoke callbacks based on select. 00038 * \ingroup internal 00039 * 00040 * \sa gr_select_handler 00041 */ 00042 class GR_CORE_API gr_dispatcher 00043 { 00044 gr_dispatcher(); 00045 friend GR_CORE_API gr_dispatcher_sptr gr_make_dispatcher(); 00046 00047 std::vector<gr_select_handler_sptr> d_handler; 00048 int d_max_index; 00049 00050 public: 00051 ~gr_dispatcher(); 00052 00053 bool add_handler(gr_select_handler_sptr handler); 00054 bool del_handler(gr_select_handler_sptr handler); 00055 bool del_handler(gr_select_handler *handler); 00056 00057 /*! 00058 * \brief Event dispatching loop. 00059 * 00060 * Enter a polling loop that only terminates after all gr_select_handlers 00061 * have been removed. \p timeout sets the timeout parameter to the select() 00062 * call, measured in seconds. 00063 * 00064 * \param timeout maximum number of seconds to block in select. 00065 */ 00066 void loop(double timeout=10); 00067 }; 00068 00069 #endif /* INCLUDED_GR_DISPATCHER_H */