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req_source.h
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/* -*- c++ -*- */
/*
* Copyright 2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_ZEROMQ_REQ_SOURCE_H
#define INCLUDED_ZEROMQ_REQ_SOURCE_H
#include <gnuradio/sync_block.h>
#include <gnuradio/zeromq/api.h>
namespace gr {
namespace zeromq {
/*!
* \brief Receive messages on ZMQ REQ socket and source stream
* \ingroup zeromq
*
* \details
* This block will connect to a ZMQ REP socket, then produce all
* incoming messages as streaming output.
*/
class ZEROMQ_API req_source : virtual public gr::sync_block
{
public:
typedef std::shared_ptr<req_source> sptr;
/*!
* \brief Return a shared_ptr to a new instance of zeromq::req_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 bind If true this block will bind to the address, otherwise it will
* connect; the default is to connect
*/
static sptr make(size_t itemsize,
size_t vlen,
char* address,
int timeout = 100,
bool pass_tags = false,
int hwm = -1,
bool bind = false);
/*!
* \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_SOURCE_REQREP_H */
gr::sync_block
synchronous 1:1 input to output with history
Definition sync_block.h:26
gr::zeromq::req_source
Receive messages on ZMQ REQ socket and source stream.
Definition req_source.h:29
gr::zeromq::req_source::sptr
std::shared_ptr< req_source > sptr
Definition req_source.h:31
gr::zeromq::req_source::last_endpoint
virtual std::string last_endpoint()=0
Return a std::string of ZMQ_LAST_ENDPOINT from the underlying ZMQ socket.
gr::zeromq::req_source::make
static sptr make(size_t itemsize, size_t vlen, char *address, int timeout=100, bool pass_tags=false, int hwm=-1, bool bind=false)
Return a shared_ptr to a new instance of zeromq::req_source.
api.h
ZEROMQ_API
#define ZEROMQ_API
Definition gr-zeromq/include/gnuradio/zeromq/api.h:18
gr
GNU Radio logging wrapper.
Definition basic_block.h:29
sync_block.h