GNU Radio Manual and C++ API Reference 3.8.5.0
The Free & Open Software Radio Ecosystem
 
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sub_msg_source.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2013,2014 Free Software Foundation, Inc.
4 *
5 * This file is part of GNU Radio.
6 *
7 * This 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 * This software 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 this software; 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_ZEROMQ_SUB_MSG_SOURCE_H
24#define INCLUDED_ZEROMQ_SUB_MSG_SOURCE_H
25
26#include <gnuradio/block.h>
27#include <gnuradio/zeromq/api.h>
28
29namespace gr {
30namespace zeromq {
31
32/*!
33 * \brief Receive messages on ZMQ SUB socket and output async messages
34 * \ingroup zeromq
35 *
36 * \details
37 * This block will connect to a ZMQ PUB socket, then convert them
38 * to outgoing async messages
39 */
40class ZEROMQ_API sub_msg_source : virtual public gr::block
41{
42public:
43 typedef boost::shared_ptr<sub_msg_source> sptr;
44
45 /*!
46 * \brief Return a shared_ptr to a new instance of gr::zeromq::sub_msg_source.
47 *
48 * \param address ZMQ socket address specifier
49 * \param timeout Receive timeout in milliseconds, default is 100ms, 1us increments
50 * \param bind If true this block will bind to the address, otherwise it will
51 * connect; the default is to connect
52 *
53 */
54 static sptr make(char* address, int timeout = 100, bool bind = false);
55
56 /*!
57 * \brief Return a std::string of ZMQ_LAST_ENDPOINT from the underlying ZMQ socket.
58 */
59 virtual std::string last_endpoint() = 0;
60};
61
62} // namespace zeromq
63} // namespace gr
64
65#endif /* INCLUDED_ZEROMQ_SUB_MSG_SOURCE_H */
The abstract base class for all 'terminal' processing blocks.
Definition block.h:72
Receive messages on ZMQ SUB socket and output async messages.
Definition sub_msg_source.h:41
virtual std::string last_endpoint()=0
Return a std::string of ZMQ_LAST_ENDPOINT from the underlying ZMQ socket.
static sptr make(char *address, int timeout=100, bool bind=false)
Return a shared_ptr to a new instance of gr::zeromq::sub_msg_source.
boost::shared_ptr< sub_msg_source > sptr
Definition sub_msg_source.h:43
#define ZEROMQ_API
Definition gr-zeromq/include/gnuradio/zeromq/api.h:30
GNU Radio logging wrapper for log4cpp library (C++ port of log4j)
Definition basic_block.h:46