From b2c2058921198e49e82301e32733b2da041521b1 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Mon, 11 Mar 2013 23:43:28 -0400
Subject: blocks: udp_sink and udp_source implemented in gr-blocks using
boost::asio instead of sockets.
Needs testing on non-Linux OSes.
---
gr-blocks/python/qa_udp_source_sink.py | 121 +++++++++++++++++++++++++++++++++
1 file changed, 121 insertions(+)
create mode 100644 gr-blocks/python/qa_udp_source_sink.py
(limited to 'gr-blocks/python/qa_udp_source_sink.py')
diff --git a/gr-blocks/python/qa_udp_source_sink.py b/gr-blocks/python/qa_udp_source_sink.py
new file mode 100644
index 0000000000..6ebbf87afc
--- /dev/null
+++ b/gr-blocks/python/qa_udp_source_sink.py
@@ -0,0 +1,121 @@
+#!/usr/bin/env python
+#
+# Copyright 2008,2010,2013 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.
+#
+
+from gnuradio import gr, gr_unittest
+import blocks_swig as blocks
+import os
+
+from threading import Timer
+
+class test_udp_sink_source(gr_unittest.TestCase):
+
+ def setUp(self):
+ self.tb_snd = gr.top_block()
+ self.tb_rcv = gr.top_block()
+
+ def tearDown(self):
+ self.tb_rcv = None
+ self.tb_snd = None
+
+ def test_001(self):
+ # Tests calling disconnect/reconnect.
+
+ port = 65500
+
+ n_data = 16
+ src_data = [x for x in range(n_data)]
+ expected_result = tuple(src_data)
+ src = gr.vector_source_s(src_data, False)
+ udp_snd = blocks.udp_sink(gr.sizeof_short, 'localhost', port)
+ self.tb_snd.connect(src, udp_snd)
+
+ self.tb_snd.run()
+ udp_snd.disconnect()
+
+ udp_snd.connect('localhost', port+1)
+ src.rewind()
+ self.tb_snd.run()
+
+ def test_002(self):
+ port = 65500
+
+ n_data = 100000
+ src_data = [float(x) for x in range(n_data)]
+ expected_result = tuple(src_data)
+ src = gr.vector_source_f(src_data, False)
+ udp_snd = gr.udp_sink(gr.sizeof_float, 'localhost', port)
+ self.tb_snd.connect(src, udp_snd)
+
+ udp_rcv = gr.udp_source(gr.sizeof_float, 'localhost', port)
+ dst = gr.vector_sink_f()
+ self.tb_rcv.connect(udp_rcv, dst)
+
+ self.tb_rcv.start()
+ self.tb_snd.run()
+ udp_snd.disconnect()
+ self.timeout = False
+ q = Timer(2.0,self.stop_rcv)
+ q.start()
+ self.tb_rcv.wait()
+ q.cancel()
+
+ result_data = dst.data()
+ self.assertEqual(expected_result, result_data)
+ self.assert_(not self.timeout)
+
+ def test_003(self):
+ udp_rcv = gr.udp_source( gr.sizeof_float, '0.0.0.0', 0, eof=False )
+ rcv_port = udp_rcv.get_port()
+
+ udp_snd = gr.udp_sink( gr.sizeof_float, '127.0.0.1', 65500 )
+ udp_snd.connect( 'localhost', rcv_port )
+
+ n_data = 16
+ src_data = [float(x) for x in range(n_data)]
+ expected_result = tuple(src_data)
+ src = gr.vector_source_f(src_data)
+ dst = gr.vector_sink_f()
+
+ self.tb_snd.connect( src, udp_snd )
+ self.tb_rcv.connect( udp_rcv, dst )
+
+ self.tb_rcv.start()
+ self.tb_snd.run()
+ udp_snd.disconnect()
+ self.timeout = False
+ q = Timer(2.0,self.stop_rcv)
+ q.start()
+ self.tb_rcv.wait()
+ q.cancel()
+
+ result_data = dst.data()
+ self.assertEqual(expected_result, result_data)
+ self.assert_(self.timeout) # source ignores EOF?
+
+ def stop_rcv(self):
+ self.timeout = True
+ self.tb_rcv.stop()
+ #print "tb_rcv stopped by Timer"
+
+if __name__ == '__main__':
+ gr_unittest.run(test_udp_sink_source, "test_udp_sink_source.xml")
+
--
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