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#!/usr/bin/env python
#
# Copyright 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, blocks
import random
import pmt
import time
class qa_socket_pdu (gr_unittest.TestCase):
def setUp (self):
self.tb = gr.top_block ()
def tearDown (self):
self.tb = None
def test_001 (self):
# Test that blocks can be created and destroyed without hanging
port = str(random.Random().randint(0, 30000) + 10000)
self.pdu_send = blocks.socket_pdu("UDP_CLIENT", "localhost", port)
self.pdu_recv = blocks.socket_pdu("UDP_SERVER", "localhost", port)
self.pdu_send = None
self.pdu_recv = None
def test_002 (self):
# Send a PDU through a pair of UDP sockets
port = str(random.Random().randint(0, 30000) + 10000)
srcdata = (0x64, 0x6f, 0x67, 0x65)
data = pmt.init_u8vector(srcdata.__len__(), srcdata)
pdu_msg = pmt.cons(pmt.PMT_NIL, data)
self.pdu_source = blocks.message_strobe(pdu_msg, 500)
self.pdu_recv = blocks.socket_pdu("UDP_SERVER", "localhost", port)
self.pdu_send = blocks.socket_pdu("UDP_CLIENT", "localhost", port)
self.dbg = blocks.message_debug()
self.tb.msg_connect(self.pdu_source, "strobe", self.pdu_send, "pdus")
self.tb.msg_connect(self.pdu_recv, "pdus", self.dbg, "store")
self.tb.start ()
time.sleep(1)
self.tb.stop()
self.tb.wait()
self.pdu_send = None
self.pdu_recv = None
received = self.dbg.get_message(0)
received_data = pmt.cdr(received)
msg_data = []
for i in xrange(4):
msg_data.append(pmt.u8vector_ref(received_data, i))
self.assertEqual(srcdata, tuple(msg_data))
def test_003 (self):
# Test that block stops when interacting with streaming interface
port = str(random.Random().randint(0, 30000) + 10000)
srcdata = (0x73, 0x75, 0x63, 0x68, 0x74, 0x65, 0x73, 0x74, 0x76, 0x65, 0x72, 0x79, 0x70, 0x61, 0x73, 0x73)
tag_dict = {"offset": 0}
tag_dict["key"] = pmt.intern("len")
tag_dict["value"] = pmt.from_long(8)
tag1 = gr.python_to_tag(tag_dict)
tag_dict["offset"] = 8
tag2 = gr.python_to_tag(tag_dict)
tags = [tag1, tag2]
src = blocks.vector_source_b(srcdata, False, 1, tags)
ts_to_pdu = blocks.tagged_stream_to_pdu(blocks.byte_t, "len")
pdu_send = blocks.socket_pdu("UDP_CLIENT", "localhost", "4141")
#pdu_recv = blocks.socket_pdu("UDP_SERVER", "localhost", port)
pdu_to_ts = blocks.pdu_to_tagged_stream(blocks.byte_t, "len")
head = blocks.head(gr.sizeof_char, 10)
sink = blocks.vector_sink_b(1)
self.tb.connect(src, ts_to_pdu)
self.tb.msg_connect(ts_to_pdu, "pdus", pdu_send, "pdus")
# a UDP socket connects pdu_send to pdu_recv
# TODO: test that the recv socket can be destroyed from downstream
# that signals DONE. Also that we get the PDUs we sent
#self.tb.msg_connect(pdu_recv, "pdus", pdu_to_ts, "pdus")
#self.tb.connect(pdu_to_ts, head, sink)
self.tb.run()
if __name__ == '__main__':
gr_unittest.run(qa_socket_pdu, "qa_socket_pdu.xml")
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