1 files changed, 119 insertions, 0 deletions
diff --git a/gr-zeromq/lib/push_msg_sink_impl.cc b/gr-zeromq/lib/push_msg_sink_impl.cc
new file mode 100644
index 0000000000..6266cd6a57
--- /dev/null
+++ b/gr-zeromq/lib/push_msg_sink_impl.cc
@@ -0,0 +1,119 @@
+/* -*- 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 "push_msg_sink_impl.h"
+#include "tag_headers.h"
+
+namespace gr {
+  namespace zeromq {
+
+    push_msg_sink::sptr
+    push_msg_sink::make(char *address, int timeout)
+    {
+      return gnuradio::get_initial_sptr
+        (new push_msg_sink_impl(address, timeout));
+    }
+
+    push_msg_sink_impl::push_msg_sink_impl(char *address, int timeout)
+      : gr::sync_block("push_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_PUSH);
+      int time = 0;
+      d_socket->setsockopt(ZMQ_LINGER, &time, sizeof(time));
+      d_socket->bind (address);
+
+      message_port_register_in(pmt::mp("in"));
+      set_msg_handler( pmt::mp("in"), 
+        boost::bind(&push_msg_sink_impl::handler, this, _1));
+    }
+
+    push_msg_sink_impl::~push_msg_sink_impl()
+    {
+      d_socket->close();
+      delete d_socket;
+      delete d_context;
+    }
+
+    void push_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() );
+      d_socket->send(zmsg);
+    }
+
+    int
+    push_msg_sink_impl::work(int noutput_items,
+                         gr_vector_const_void_star &input_items,
+                         gr_vector_void_star &output_items)
+    {
+      return noutput_items;
+
+/*      const char *in = (const char *) input_items[0];
+
+      zmq::pollitem_t itemsout[] = { { *d_socket, 0, ZMQ_POLLOUT, 0 } };
+      zmq::poll (&itemsout[0], 1, d_timeout);
+
+      //  If we got a reply, process
+      if (itemsout[0].revents & ZMQ_POLLOUT) {
+
+      // encode the current offset, # tags, and tags into header
+      std::string header("");
+    
+      if(d_pass_tags){
+        uint64_t offset = nitems_read(0);
+        std::vector<gr::tag_t> tags;
+        get_tags_in_range(tags, 0, nitems_read(0), nitems_read(0)+noutput_items);
+        header = gen_tag_header( offset, tags );
+        }
+
+      // create message copy and send
+      zmq::message_t msg(header.length() + d_itemsize*d_vlen*noutput_items);
+      if(d_pass_tags)
+        memcpy((void*) msg.data(), header.c_str(), header.length() );
+      memcpy((uint8_t *)msg.data() + header.length(), in, d_itemsize*d_vlen*noutput_items);
+      d_socket->send(msg);
+
+        return noutput_items;
+      }
+      else {
+        return 0;
+      }*/
+    }
+
+  } /* namespace zeromq */
+} /* namespace gr */