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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
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "pub_msg_sink_impl.h"
#include "tag_headers.h"
#include <gnuradio/io_signature.h>
namespace gr {
namespace zeromq {
pub_msg_sink::sptr pub_msg_sink::make(char* address, int timeout, bool bind)
{
return gnuradio::get_initial_sptr(new pub_msg_sink_impl(address, timeout, bind));
}
pub_msg_sink_impl::pub_msg_sink_impl(char* address, int timeout, bool bind)
: gr::block("pub_msg_sink",
gr::io_signature::make(0, 0, 0),
gr::io_signature::make(0, 0, 0)),
d_timeout(timeout)
{
int major, minor, patch;
zmq::version(&major, &minor, &patch);
if (major < 3) {
d_timeout = timeout * 1000;
}
d_context = new zmq::context_t(1);
d_socket = new zmq::socket_t(*d_context, ZMQ_PUB);
int time = 0;
d_socket->setsockopt(ZMQ_LINGER, &time, sizeof(time));
if (bind) {
d_socket->bind(address);
} else {
d_socket->connect(address);
}
message_port_register_in(pmt::mp("in"));
set_msg_handler(pmt::mp("in"), [this](pmt::pmt_t msg) { this->handler(msg); });
}
pub_msg_sink_impl::~pub_msg_sink_impl()
{
d_socket->close();
delete d_socket;
delete d_context;
}
void pub_msg_sink_impl::handler(pmt::pmt_t msg)
{
std::stringbuf sb("");
pmt::serialize(msg, sb);
std::string s = sb.str();
zmq::message_t zmsg(s.size());
memcpy(zmsg.data(), s.c_str(), s.size());
#if USE_NEW_CPPZMQ_SEND_RECV
d_socket->send(zmsg, zmq::send_flags::none);
#else
d_socket->send(zmsg);
#endif
}
} /* namespace zeromq */
} /* namespace gr */
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