GNU Radio 3.6.5.1 C++ API
gr_message_source.h
Go to the documentation of this file.
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/* -*- c++ -*- */
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/*
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* Copyright 2005 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_GR_MESSAGE_SOURCE_H
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#define INCLUDED_GR_MESSAGE_SOURCE_H
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#include <
gr_core_api.h
>
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#include <
gr_sync_block.h
>
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#include <
gr_message.h
>
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#include <
gr_msg_queue.h
>
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class
gr_message_source
;
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typedef
boost::shared_ptr<gr_message_source>
gr_message_source_sptr
;
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GR_CORE_API
gr_message_source_sptr
gr_make_message_source
(
size_t
itemsize
,
int
msgq_limit=0);
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GR_CORE_API
gr_message_source_sptr
gr_make_message_source
(
size_t
itemsize
,
gr_msg_queue_sptr
msgq
);
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GR_CORE_API
gr_message_source_sptr
gr_make_message_source
(
size_t
itemsize
,
gr_msg_queue_sptr
msgq
,
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const
std::string& lengthtagname);
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/*!
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* \brief Turn received messages into a stream
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* \ingroup source_blk
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*/
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class
GR_CORE_API
gr_message_source
:
public
gr_sync_block
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{
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private
:
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size_t
d_itemsize;
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gr_msg_queue_sptr
d_msgq;
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gr_message_sptr
d_msg;
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unsigned
d_msg_offset;
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bool
d_eof;
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bool
d_tags;
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// FIXME: Is this adequate tagname length.
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std::string d_lengthtagname;
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friend
GR_CORE_API
gr_message_source_sptr
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gr_make_message_source
(
size_t
itemsize
,
int
msgq_limit);
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friend
GR_CORE_API
gr_message_source_sptr
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gr_make_message_source
(
size_t
itemsize,
gr_msg_queue_sptr
msgq);
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friend
GR_CORE_API
gr_message_source_sptr
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gr_make_message_source
(
size_t
itemsize,
gr_msg_queue_sptr
msgq,
const
std::string& lengthtagname);
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protected
:
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gr_message_source
(
size_t
itemsize,
int
msgq_limit);
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gr_message_source
(
size_t
itemsize,
gr_msg_queue_sptr
msgq);
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gr_message_source
(
size_t
itemsize,
gr_msg_queue_sptr
msgq,
const
std::string& lengthtagname);
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public
:
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~
gr_message_source
();
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gr_msg_queue_sptr
msgq
()
const
{
return
d_msgq; }
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int
work
(
int
noutput_items,
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gr_vector_const_void_star
&input_items,
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gr_vector_void_star
&output_items);
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};
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#endif
/* INCLUDED_GR_MESSAGE_SOURCE_H */
gnuradio-core
src
lib
io
gr_message_source.h
Generated on Mon Aug 19 2013 15:37:30 for GNU Radio 3.6.5.1 C++ API by
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