1 files changed, 120 insertions, 0 deletions
diff --git a/gr-zeromq/lib/pull_msg_source_impl.cc b/gr-zeromq/lib/pull_msg_source_impl.cc
new file mode 100644
index 0000000000..5b207ce677
--- /dev/null
+++ b/gr-zeromq/lib/pull_msg_source_impl.cc
@@ -0,0 +1,120 @@
+/* -*- 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 "pull_msg_source_impl.h"
+#include "tag_headers.h"
+
+namespace gr {
+  namespace zeromq {
+
+    pull_msg_source::sptr
+    pull_msg_source::make(char *address, int timeout)
+    {
+      return gnuradio::get_initial_sptr
+        (new pull_msg_source_impl(address, timeout));
+    }
+
+    pull_msg_source_impl::pull_msg_source_impl(char *address, int timeout)
+      : gr::sync_block("pull_msg_source",
+                       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_PULL);
+      int time = 0;
+      d_socket->setsockopt(ZMQ_LINGER, &time, sizeof(time));
+      d_socket->connect (address);
+
+      message_port_register_out(pmt::mp("out"));
+    }
+
+    pull_msg_source_impl::~pull_msg_source_impl()
+    {
+      d_socket->close();
+      delete d_socket;
+      delete d_context;
+    }
+
+    int
+    pull_msg_source_impl::work(int noutput_items,
+                           gr_vector_const_void_star &input_items,
+                           gr_vector_void_star &output_items)
+    {
+    return noutput_items;
+    /*
+      char *out = (char*)output_items[0];
+
+      zmq::pollitem_t items[] = { { *d_socket, 0, ZMQ_POLLIN, 0 } };
+      zmq::poll (&items[0], 1, d_timeout);
+
+      //  If we got a reply, process
+      if (items[0].revents & ZMQ_POLLIN) {
+
+        // Receive data
+        zmq::message_t msg;
+        d_socket->recv(&msg);
+
+        // check header for tags...
+        std::string buf(static_cast<char*>(msg.data()), msg.size());
+        if(d_pass_tags){
+            uint64_t rcv_offset;
+            std::vector<gr::tag_t> tags;
+            buf = parse_tag_header(buf, rcv_offset, tags);
+            for(size_t i=0; i<tags.size(); i++){
+                tags[i].offset -= rcv_offset - nitems_written(0);
+                add_item_tag(0, tags[i]);
+                }
+            }
+
+
+        // Copy to ouput buffer and return
+        if (buf.size() >= d_itemsize*d_vlen*noutput_items) {
+          memcpy(out, (void *)&buf[0], d_itemsize*d_vlen*noutput_items);
+
+          return noutput_items;
+        }
+        else {
+          memcpy(out, (void *)&buf[0], buf.size());
+
+          return buf.size()/(d_itemsize*d_vlen);
+        }
+      }
+      else {
+        return 0; // FIXME: someday when the scheduler does all the poll/selects
+      }
+
+    */
+    }
+
+  } /* namespace zeromq */
+} /* namespace gr */