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Diffstat (limited to 'gr-zeromq/lib/pub_sink_impl.cc')
-rw-r--r-- | gr-zeromq/lib/pub_sink_impl.cc | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/gr-zeromq/lib/pub_sink_impl.cc b/gr-zeromq/lib/pub_sink_impl.cc new file mode 100644 index 0000000000..13f86045d7 --- /dev/null +++ b/gr-zeromq/lib/pub_sink_impl.cc @@ -0,0 +1,81 @@ +/* -*- 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 <gnuradio/io_signature.h> +#include "pub_sink_impl.h" + +namespace gr { + namespace zeromq { + + pub_sink::sptr + pub_sink::make(size_t itemsize, size_t vlen, char *address, int timeout) + { + return gnuradio::get_initial_sptr + (new pub_sink_impl(itemsize, vlen, address, timeout)); + } + + pub_sink_impl::pub_sink_impl(size_t itemsize, size_t vlen, char *address, int timeout) + : gr::sync_block("pub_sink", + gr::io_signature::make(1, 1, itemsize * vlen), + gr::io_signature::make(0, 0, 0)), + d_itemsize(itemsize), d_vlen(vlen), 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)); + d_socket->bind(address); + } + + pub_sink_impl::~pub_sink_impl() + { + d_socket->close(); + delete d_socket; + delete d_context; + } + + int + pub_sink_impl::work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + const char *in = (const char *)input_items[0]; + + // create message copy and send + zmq::message_t msg(d_itemsize*d_vlen*noutput_items); + memcpy((void *)msg.data(), in, d_itemsize*d_vlen*noutput_items); + d_socket->send(msg); + + return noutput_items; + } + + } /* namespace zeromq */ +} /* namespace gr */ |