GNU Radio Manual and C++ API Reference 3.7.14.0
The Free & Open Software Radio Ecosystem
message_source.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2005,2013 Free Software Foundation, Inc.
4 *
5 * This file is part of GNU Radio
6 *
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
10 * any later version.
11 *
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#ifndef INCLUDED_GR_MESSAGE_SOURCE_H
24#define INCLUDED_GR_MESSAGE_SOURCE_H
25
26#include <gnuradio/blocks/api.h>
27#include <gnuradio/msg_queue.h>
28#include <gnuradio/sync_block.h>
29
30namespace gr {
31namespace blocks {
32
33/*!
34 * \brief Turn received messages into a stream
35 * \ingroup deprecated_blk
36 */
37class BLOCKS_API message_source : virtual public sync_block
38{
39public:
40 // gr::blocks::message_source::sptr
41 typedef boost::shared_ptr<message_source> sptr;
42
43 static sptr make(size_t itemsize, int msgq_limit = 0);
44 static sptr make(size_t itemsize, gr::msg_queue::sptr msgq);
45 static sptr
46 make(size_t itemsize, gr::msg_queue::sptr msgq, const std::string& lengthtagname);
47
48 virtual gr::msg_queue::sptr msgq() const = 0;
49};
50
51} /* namespace blocks */
52} /* namespace gr */
53
54#endif /* INCLUDED_GR_MESSAGE_SOURCE_H */
Turn received messages into a stream.
Definition: message_source.h:38
static sptr make(size_t itemsize, gr::msg_queue::sptr msgq)
virtual gr::msg_queue::sptr msgq() const =0
boost::shared_ptr< message_source > sptr
Definition: message_source.h:41
static sptr make(size_t itemsize, int msgq_limit=0)
static sptr make(size_t itemsize, gr::msg_queue::sptr msgq, const std::string &lengthtagname)
boost::shared_ptr< msg_queue > sptr
Definition: msg_queue.h:47
synchronous 1:1 input to output with history
Definition: sync_block.h:38
#define BLOCKS_API
Definition: gr-blocks/include/gnuradio/blocks/api.h:30
BLOCKS_API size_t itemsize(vector_type type)
Include this header to use the message passing features.
Definition: basic_block.h:45