blob: a5d3d56daad862436a8c8be5915bbd63025f2e49 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/* -*- c++ -*- */
/*
* Copyright 2013,2014 Free Software Foundation, Inc.
*
* This file is part of GNU Radio.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_ZEROMQ_SUB_SOURCE_H
#define INCLUDED_ZEROMQ_SUB_SOURCE_H
#include <gnuradio/sync_block.h>
#include <gnuradio/zeromq/api.h>
namespace gr {
namespace zeromq {
/*!
* \brief Receive messages on ZMQ SUB socket and source stream
* \ingroup zeromq
*
* \details
* This block will connect to a ZMQ PUB socket, then produce all
* incoming messages as streaming output.
*/
class ZEROMQ_API sub_source : virtual public gr::sync_block
{
public:
typedef std::shared_ptr<sub_source> sptr;
/*!
* \brief Return a shared_ptr to a new instance of gr::zeromq::sub_source.
*
* \param itemsize Size of a stream item in bytes.
* \param vlen Vector length of the input items. Note that one vector is one item.
* \param address ZMQ socket address specifier.
* \param timeout Receive timeout in milliseconds, default is 100ms, 1us increments.
* \param pass_tags Whether source will look for and deserialize tags.
* \param hwm High Watermark to configure the socket to (-1 => zmq's default)
* \param key Subscriber filter key. Leave empty to pass all messages.
*/
static sptr make(size_t itemsize,
size_t vlen,
char* address,
int timeout = 100,
bool pass_tags = false,
int hwm = -1,
const std::string& key = "");
/*!
* \brief Return a std::string of ZMQ_LAST_ENDPOINT from the underlying ZMQ socket.
*/
virtual std::string last_endpoint() = 0;
};
} // namespace zeromq
} // namespace gr
#endif /* INCLUDED_ZEROMQ_SUB_SOURCE_H */
|
