add edca block

lib/wifi_edca.cc

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2014 Bastian Bloessl <bloessl@ccs-labs.org>
+ *
+ * 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 <ieee802-11/wifi_edca.h>
+
+#include <gnuradio/io_signature.h>
+#include <gnuradio/block_detail.h>
+
+#include "utils.h"
+
+#include <boost/crc.hpp>
+#include <iostream>
+#include <stdexcept>
+
+using namespace gr::ieee802_11;
+
+class wifi_edca_impl : public wifi_edca {
+
+public:
+
+wifi_edca_impl(std::vector<uint16_t> cw_min, std::vector<uint16_t>aifsn) :
+		block("wifi_edca",
+			gr::io_signature::make(0, 0, 0),
+			gr::io_signature::make(0, 0, 0)),
+		m_cw_min(cw_min), m_aifsn(aifsn)
+		{
+
+	assert(cw_min.size() == aifsn.size());
+
+	message_port_register_out(pmt::mp("mac out"));
+
+	for(int i = 0; i < cw_min.size(); i++) {
+		std::stringstream sstm;
+		sstm << "ac in" << i;
+		message_port_register_in(pmt::mp(sstm.str()));
+		set_msg_handler(pmt::mp(sstm.str()), boost::bind(&wifi_edca_impl::ac_in, this, _1, i));
+	}
+
+}
+
+void ac_in (pmt::pmt_t msg, int i) {
+	std::cout << "ac " << i << std::endl;
+	message_port_pub(pmt::mp("mac out"), msg);
+}
+
+private:
+	std::vector<uint16_t>m_cw_min;
+	std::vector<uint16_t>m_aifsn;
+};
+
+wifi_edca::sptr
+wifi_edca::make(std::vector<uint16_t>cw_min, std::vector<uint16_t> aifsn) {
+	return gnuradio::get_initial_sptr(new wifi_edca_impl(cw_min, aifsn));
+}
+