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#!/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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