1 files changed, 73 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..086e995b2e
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+++ b/gr-zeromq/lib/pub_sink_impl.cc
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+/* -*- 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, char *address, bool blocking)
+    {
+      return gnuradio::get_initial_sptr
+	(new pub_sink_impl(itemsize, address, blocking));
+    }
+
+    pub_sink_impl::pub_sink_impl(size_t itemsize, char *address, bool blocking)
+      : gr::sync_block("pub_sink",
+                       gr::io_signature::make(1, 1, itemsize),
+                       gr::io_signature::make(0, 0, 0)),
+        d_itemsize(itemsize), d_blocking(blocking)
+    {
+      d_context = new zmq::context_t(1);
+      d_socket = new zmq::socket_t(*d_context, ZMQ_PUB);
+      d_socket->bind(address);
+    }
+
+    pub_sink_impl::~pub_sink_impl()
+    {
+      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*noutput_items);
+      memcpy((void *)msg.data(), in, d_itemsize*noutput_items);
+      d_socket->send(msg, d_blocking ? 0 : ZMQ_NOBLOCK);
+
+      return noutput_items;
+    }
+
+  } /* namespace zeromq */
+} /* namespace gr */