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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 "push_sink_impl.h"
#include "tag_headers.h"
#include <gnuradio/io_signature.h>
namespace gr {
namespace zeromq {
push_sink::sptr push_sink::make(
size_t itemsize, size_t vlen, char* address, int timeout, bool pass_tags, int hwm)
{
return gnuradio::get_initial_sptr(
new push_sink_impl(itemsize, vlen, address, timeout, pass_tags, hwm));
}
push_sink_impl::push_sink_impl(
size_t itemsize, size_t vlen, char* address, int timeout, bool pass_tags, int hwm)
: gr::sync_block("push_sink",
gr::io_signature::make(1, 1, itemsize * vlen),
gr::io_signature::make(0, 0, 0)),
base_sink_impl(ZMQ_PUSH, itemsize, vlen, address, timeout, pass_tags, hwm)
{
/* All is delegated */
}
int push_sink_impl::work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items)
{
// Poll with a timeout (FIXME: scheduler can't wait for us)
zmq::pollitem_t itemsout[] = { { static_cast<void*>(*d_socket), 0, ZMQ_POLLOUT, 0 } };
zmq::poll(&itemsout[0], 1, d_timeout);
// If we can send something, do it
if (itemsout[0].revents & ZMQ_POLLOUT)
return send_message(input_items[0], noutput_items, nitems_read(0));
// If not, do nothing
return 0;
}
} /* namespace zeromq */
} /* namespace gr */
// vim: ts=2 sw=2 expandtab
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