code changes

2013-10-10 11:06:36 +02:00
parent b0503d5fa3
commit 58ed53a5d5
42 changed files with 2848 additions and 362 deletions
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2013 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 "wave_short_message_impl.h"
+
+#include <gnuradio/io_signature.h>
+#include <gnuradio/block_detail.h>
+#include <string.h>
+
+using namespace gr::ieee802_11;
+
+wave_short_message_impl::wave_short_message_impl(int version) :
+		block("wave_short_message",
+				gr::io_signature::make(0, 0, 0),
+				gr::io_signature::make(0, 0, 0)),
+		d_version(version) {
+
+	message_port_register_out(pmt::mp("out"));
+
+	message_port_register_in(pmt::mp("in"));
+	set_msg_handler(pmt::mp("in"), boost::bind(&wave_short_message_impl::make_frame, this, _1));
+
+
+	hdr0.version    = 0x00;
+	hdr0.security   = 0x00;
+	hdr0.channel    = 0x04;
+	hdr0.rate       = 0x01;
+	hdr0.power      = 0x40;
+	hdr0.app_class  = 0x00;
+	hdr0.acm_length = 0x00;
+
+
+	hdr2.version    = 0x02;
+	hdr2.psid       = 0x55;
+	hdr2.wsm_id     = 0x80;
+}
+
+void
+wave_short_message_impl::make_frame (pmt::pmt_t msg) {
+
+	if(pmt::is_eof_object(msg)) {
+		message_port_pub(pmt::mp("out"), pmt::PMT_EOF);
+		detail().get()->set_done(true);
+		return;
+	} else if(pmt::is_symbol(msg)) {
+		std::string s = pmt::symbol_to_string(msg);
+		msg = pmt::make_blob(s.data(), s.size());
+	} else if(!pmt::is_blob(msg)) {
+		throw std::invalid_argument("WSM input has to be a blob");
+	}
+
+	uint16_t data_len = pmt::blob_length(msg);
+
+	pmt::pmt_t wsm;
+	char *buf;
+
+	switch(d_version) {
+
+	case 0:
+		hdr0.length = data_len;
+		buf = reinterpret_cast<char*>(std::malloc(data_len + sizeof(wave_hdr_v0)));
+
+		std::memcpy(buf, &hdr0, sizeof(wave_hdr_v0));
+		std::memcpy(buf + sizeof(wave_hdr_v0), pmt::blob_data(msg), data_len);
+
+		wsm = pmt::make_blob(buf, data_len + sizeof(wave_hdr_v0));
+		break;
+
+	case 2:
+		hdr2.length = (data_len << 8) + (data_len >> 8);
+		buf = reinterpret_cast<char*>(std::malloc(data_len + sizeof(wave_hdr_v2)));
+
+		std::memcpy(buf, &hdr2, sizeof(wave_hdr_v2));
+		std::memcpy(buf + sizeof(wave_hdr_v2), pmt::blob_data(msg), data_len);
+
+		wsm = pmt::make_blob(buf, data_len + sizeof(wave_hdr_v2));
+		break;
+
+	default:
+		throw std::invalid_argument("wrong version of WSM set");
+		break;
+	}
+
+	std::free(buf);
+	message_port_pub(pmt::mp("out"), wsm);
+}
+
+void
+wave_short_message_impl::set_version(int version) {
+	if(!(version == 0 || version == 2)) {
+		throw std::invalid_argument("wrong version of WSM set");
+	}
+	d_version = version;
+}
+
+wave_short_message::sptr
+wave_short_message::make(int version) {
+	return gnuradio::get_initial_sptr(new wave_short_message_impl(version));
+}
+
+