add wireshark connector and packet dropper

2013-06-01 18:28:31 +02:00
parent 0ee514b41d
commit 39d28c8c3a
12 changed files with 419 additions and 6 deletions
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2013 Christoph Leitner <c.leitner@student.uibk.ac.at>
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <ccs/packet_dropper.h>
+#include <gnuradio/io_signature.h>
+#include <gnuradio/block_detail.h>
+#include "packet_dropper_impl.h"
+
+using namespace gr::ccs;
+
+packet_dropper_impl::packet_dropper_impl(double drop_rate, unsigned long seed)
+	: d_drop_rate(drop_rate), d_generator(seed), d_distribution(0.0,1.0),
+	 block("rime_stack", gr::io_signature::make(0, 0, 0),
+				gr::io_signature::make(0, 0, 0))
+{
+	if(d_drop_rate >= 1){
+		throw std::out_of_range("drop rate has to be < 1");
+	}
+	message_port_register_in(pmt::mp("in"));
+	set_msg_handler(pmt::mp("in"), boost::bind(&packet_dropper_impl::msg_handler, this, _1));
+	message_port_register_out(pmt::mp("out"));
+}
+
+void
+packet_dropper_impl::msg_handler(pmt::pmt_t msg)
+{
+	if(d_distribution(d_generator) <= d_drop_rate){
+		return;
+	}
+	message_port_pub(pmt::mp("out"), msg);
+}
+
+packet_dropper::sptr
+packet_dropper::make(double drop_rate, unsigned long seed)
+{
+	return gnuradio::get_initial_sptr(new packet_dropper_impl(drop_rate, seed));
+}
+