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/* -*- 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_PUSH_SINK_H
#define INCLUDED_ZEROMQ_PUSH_SINK_H
#include <gnuradio/sync_block.h>
#include <gnuradio/zeromq/api.h>
namespace gr {
namespace zeromq {
/*!
* \brief Sink the contents of a stream to a ZMQ PUSH socket
* \ingroup zeromq
*
* \details
* This block acts a a streaming sink for a GNU Radio flowgraph
* and writes its contents to a ZMQ PUSH socket. A PUSH socket
* will round-robin send its messages to each connected ZMQ PULL
* socket, either another gr-zeromq source block or a regular,
* non-GNU Radio ZMQ socket.
*
*/
class ZEROMQ_API push_sink : virtual public gr::sync_block
{
public:
typedef boost::shared_ptr<push_sink> sptr;
/*!
* \brief Return a shared_ptr to a new instance of gr::zeromq::push_sink
*
* \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 sink will serialize and pass tags over the link.
* \param hwm High Watermark to configure the socket to (-1 => zmq's default)
*/
static sptr make(size_t itemsize,
size_t vlen,
char* address,
int timeout = 100,
bool pass_tags = false,
int hwm = -1);
/*!
* \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_PUSH_SINK_H */
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