1 files changed, 90 insertions, 0 deletions
diff --git a/gr-digital/lib/packet_headerparser_b_impl.cc b/gr-digital/lib/packet_headerparser_b_impl.cc
new file mode 100644
index 0000000000..825cfa3d86
--- /dev/null
+++ b/gr-digital/lib/packet_headerparser_b_impl.cc
@@ -0,0 +1,90 @@
+/* -*- c++ -*- */
+/* Copyright 2012 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio 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.
+ * 
+ * GNU Radio 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 GNU Radio; 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 <gr_io_signature.h>
+#include "packet_headerparser_b_impl.h"
+
+#define msg_port_id     pmt::mp("header_data")
+
+namespace gr {
+  namespace digital {
+
+    packet_headerparser_b::sptr
+    packet_headerparser_b::make(long header_len, const std::string &len_tag_key)
+    {
+      const packet_header_default::sptr header_formatter(
+	  new packet_header_default(header_len, len_tag_key)
+      );
+      return gnuradio::get_initial_sptr (new packet_headerparser_b_impl(header_formatter));
+    }
+
+    packet_headerparser_b::sptr
+    packet_headerparser_b::make(const gr::digital::packet_header_default::sptr &header_formatter)
+    {
+      return gnuradio::get_initial_sptr (new packet_headerparser_b_impl(header_formatter));
+    }
+
+    packet_headerparser_b_impl::packet_headerparser_b_impl(const gr::digital::packet_header_default::sptr &header_formatter)
+      : gr_sync_block("packet_headerparser_b",
+		      gr_make_io_signature(1, 1, sizeof (unsigned char)),
+		      gr_make_io_signature(0, 0, 0)),
+      d_header_formatter(header_formatter)
+    {
+      message_port_register_out(msg_port_id);
+      set_output_multiple(header_formatter->header_len());
+    }
+
+    packet_headerparser_b_impl::~packet_headerparser_b_impl()
+    {
+    }
+
+    int
+    packet_headerparser_b_impl::work(int noutput_items,
+			  gr_vector_const_void_star &input_items,
+			  gr_vector_void_star &output_items)
+    {
+      const unsigned char *in = (const unsigned char *) input_items[0];
+
+      if (noutput_items < d_header_formatter->header_len()) {
+	return 0;
+      }
+
+      std::vector<gr_tag_t> tags;
+      if (!d_header_formatter->header_parser(in, tags)) {
+	message_port_pub(msg_port_id, pmt::PMT_F);
+      } else {
+	pmt::pmt_t dict(pmt::make_dict());
+	for (unsigned i = 0; i < tags.size(); i++) {
+	  pmt::dict_add(dict, tags[i].key, tags[i].value);
+	}
+	message_port_pub(msg_port_id, dict);
+      }
+
+      return d_header_formatter->header_len();
+    }
+
+  } /* namespace digital */
+} /* namespace gr */
+