/* -*- c++ -*- */
/*
 * Copyright 2013,2014 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio.
 *
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this software; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#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"), boost::bind(&pub_msg_sink_impl::handler, this, _1));
}

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 */
