def test_endian(self):
self.emitter = pdu_utils.message_emitter()
#self.endi = pdu_utils.pdu_binary_tools(pdu_utils.pdu_binary_tools.ENDIAN_SWAP8)
self.endi = pdu_utils.pdu_binary_tools(4)
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.endi, 'pdu_in'))
self.tb.msg_connect((self.endi, 'pdu_out'), (self.debug, 'store'))
i_vec = pmt.init_u8vector(
16, [1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0])
e_vec = pmt.init_u8vector(
16, [1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1])
in_pdu = pmt.cons(pmt.make_dict(), i_vec)
e_pdu = pmt.cons(pmt.make_dict(), e_vec)
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
print "test endian_swap8:"
print "pdu expected: " + repr(pmt.car(e_pdu))
print "pdu got: " + repr(pmt.car(self.debug.get_message(0)))
print "data expected: " + repr(pmt.u8vector_elements(pmt.cdr(e_pdu)))
print "data got: " + repr(
pmt.u8vector_elements(pmt.cdr(self.debug.get_message(0))))
print
self.assertTrue(pmt.equal(self.debug.get_message(0), e_pdu))
def test_001_n4_u8(self):
in_data = [0, 1, 2, 4, 8, 16, 32]
expected_data1 = [
0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 4, 0, 0, 0, 8, 0, 0, 0, 16, 0,
0, 0, 32, 0, 0, 0
]
expected_data2 = [
0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 4, 4, 8, 8, 8, 8, 16, 16,
16, 16, 32, 32, 32, 32
]
in_pdu = pmt.cons(pmt.make_dict(),
pmt.init_u8vector(len(in_data), in_data))
expected_pdu1 = pmt.cons(
pmt.make_dict(),
pmt.init_u8vector(len(expected_data1), expected_data1))
expected_pdu2 = pmt.cons(
pmt.make_dict(),
pmt.init_u8vector(len(expected_data2), expected_data2))
self.tb.start()
time.sleep(.001)
self.emitter.emit(pmt.intern("MALFORMED PDU"))
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.001)
self.upsample.set_repeat(True)
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.05)
self.tb.stop()
self.tb.wait()
self.assertTrue(pmt.equal(self.debug.get_message(0), expected_pdu1))
self.assertTrue(pmt.equal(self.debug.get_message(1), expected_pdu2))
def test_001_t(self):
# set up fg
msg_meta = pmt.make_dict()
msg_meta = pmt.dict_add(msg_meta, pmt.to_pmt("freq"),
pmt.to_pmt("val"))
vec1 = [
0x01, 0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01,
0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x00, 0x01, 0x00,
0x00, 0x00, 0x01, 0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00
]
msg_vector = pmt.init_u8vector(len(vec1), vec1)
msg = pmt.cons(msg_meta, msg_vector)
src = blocks.message_strobe(msg, 10)
dut = capture_tools.bit_sniffer(fade_out=500, hexadecimal=True)
self.tb.msg_connect((src, "strobe"), (dut, "packets"))
self.tb.start()
time.sleep(5)
vec1 = [0x01, 0x00, 0x01, 0x00, 0x01, 0x00]
msg_vector = pmt.init_u8vector(len(vec1), vec1)
msg = pmt.cons(msg_meta, msg_vector)
src.set_msg(msg)
time.sleep(5)
vec1 = [0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x01]
msg_vector = pmt.init_u8vector(len(vec1), vec1)
msg = pmt.cons(msg_meta, msg_vector)
src.set_msg(msg)
time.sleep(5)
self.tb.stop()
def test_longer(self):
self.down = pdu_utils.pdu_downsample(2, 1)
self.connectUp()
i_vec = pmt.init_u8vector(7, [0, 1, 2, 3, 4, 5, 6])
e_vec = pmt.init_u8vector(3, [1, 3, 5])
in_pdu = pmt.cons(pmt.make_dict(), i_vec)
e_pdu = pmt.cons(pmt.make_dict(), e_vec)
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
print("test long:")
print("pdu expected: " + repr(pmt.car(e_pdu)))
print("pdu got: " + repr(pmt.car(self.debug.get_message(0))))
print("data expected: " + repr(pmt.u8vector_elements(pmt.cdr(e_pdu))))
print("data got: " +
repr(pmt.u8vector_elements(pmt.cdr(self.debug.get_message(0)))))
print
self.assertTrue(pmt.equal(self.debug.get_message(0), e_pdu))
def test_longer(self):
self.emitter = pdu_utils.message_emitter()
self.down = pdu_utils.pdu_downsample(2, 1)
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.down, 'pdu_in'))
self.tb.msg_connect((self.down, 'pdu_out'), (self.debug, 'store'))
i_vec = pmt.init_u8vector(7, [0, 1, 2, 3, 4, 5, 6])
e_vec = pmt.init_u8vector(3, [1, 3, 5])
in_pdu = pmt.cons(pmt.make_dict(), i_vec)
e_pdu = pmt.cons(pmt.make_dict(), e_vec)
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
print "test long:"
print "pdu expected: " + repr(pmt.car(e_pdu))
print "pdu got: " + repr(pmt.car(self.debug.get_message(0)))
print "data expected: " + repr(pmt.u8vector_elements(pmt.cdr(e_pdu)))
print "data got: " + repr(
pmt.u8vector_elements(pmt.cdr(self.debug.get_message(0))))
print
self.assertTrue(pmt.equal(self.debug.get_message(0), e_pdu))
def test_007_match_errors2(self):
'''
Ensure specification of the number of errors in an alignment sequence is
properly checked
'''
self.dut = pdu_utils.pdu_align('10101010', 2, 0, pdu_utils.ALIGN_EMPTY)
self.connectUp()
in_data = [1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1]
expected_data = [0, 1, 0, 1, 0, 1, 0, 1]
in_pdu = pmt.cons(pmt.make_dict(),
pmt.init_u8vector(len(in_data), in_data))
expected_pdu = pmt.cons(
pmt.make_dict(),
pmt.init_u8vector(len(expected_data), expected_data))
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.1)
self.tb.stop()
self.tb.wait()
self.assertTrue(pmt.equal(self.debug.get_message(0), expected_pdu))
def test_001_split(self):
emitter = pdu_utils.message_emitter()
split = pdu_utils.pdu_split()
d1 = blocks.message_debug()
d2 = blocks.message_debug()
self.tb.msg_connect((emitter, 'msg'), (split, 'pdu_in'))
self.tb.msg_connect((split, 'dict'), (d1, 'store'))
self.tb.msg_connect((split, 'data'), (d2, 'store'))
in_meta1 = pmt.dict_add(pmt.make_dict(), pmt.intern('num'),
pmt.from_long(4))
in_meta2 = pmt.dict_add(pmt.make_dict(), pmt.intern('n'),
pmt.from_long(99))
in_pdu = pmt.cons(in_meta1, pmt.init_u8vector(6, range(6)))
self.tb.start()
time.sleep(.001)
emitter.emit(pmt.intern("MALFORMED PDU"))
time.sleep(.001)
emitter.emit(pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(2, range(2))))
time.sleep(.001)
emitter.emit(pmt.cons(in_meta2, pmt.init_u8vector(0, [])))
time.sleep(.001)
emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
self.assertTrue(pmt.equal(d1.get_message(0), in_meta2))
self.assertTrue(pmt.equal(d1.get_message(1), in_meta1))
self.assertTrue(
pmt.equal(d2.get_message(0), pmt.init_u8vector(2, range(2))))
self.assertTrue(
pmt.equal(d2.get_message(1), pmt.init_u8vector(6, range(6))))
def test_002_timing(self):
self.tb.start()
self.add_sys_time.to_basic_block()._post(pmt.intern("pdu"),
pmt.intern("BAD PDU"))
self.add_sys_time.to_basic_block()._post(
pmt.intern("pdu"),
pmt.cons(pmt.make_dict(), pmt.init_u8vector(1, [0])))
time.sleep(
1.0
) # wait for one second to provide a time difference between messages
self.add_sys_time.to_basic_block()._post(
pmt.intern("pdu"),
pmt.cons(pmt.make_dict(), pmt.init_u8vector(1, [0])))
self.waitFor(lambda: self.debug.num_messages() == 2,
timeout=1.0,
poll_interval=0.01)
self.tb.stop()
self.tb.wait()
t0 = pmt.to_double(
pmt.dict_ref(pmt.car(self.debug.get_message(0)),
pmt.intern("systime"), pmt.from_double(0.0)))
t1 = pmt.to_double(
pmt.dict_ref(pmt.car(self.debug.get_message(1)),
pmt.intern("systime"), pmt.from_double(0.0)))
self.assertTrue(
((t1 - t0) - 1) < 0.05) # should be sufficient tolerance
def test_errorCorrected(self):
encoded1 = copy.copy(ENCODED1)
encoded1[3] = 1 - encoded1[3]
encoded1[12] = 1 - encoded1[12]
encoded1[17] = 1 - encoded1[17]
encoded2 = copy.copy(ENCODED2)
encoded2[7] = 1 - encoded2[7]
encoded2[10] = 1 - encoded2[10]
encoded2[11] = 1 - encoded2[11]
input_vector = pmt.init_u8vector(
56, PREAMBLE + encoded1 + encoded2 + POSTAMBLE)
message_car = pmt.dict_add(pmt.make_dict(), pmt.intern('key'),
pmt.intern('value'))
self.tb.start()
self.decoder._post(pmt.intern('in'), pmt.cons(message_car,
input_vector))
time.sleep(0.1)
self.tb.stop()
self.tb.wait()
self.assertEqual(self.snk.num_messages(), 1)
expected_vector = pmt.init_u8vector(
32, PREAMBLE + MESSAGE1 + MESSAGE2 + POSTAMBLE)
self.assertTrue(
pmt.equal(self.snk.get_message(0),
pmt.cons(message_car, expected_vector)))
def test_005_match_error0b(self):
self.dut = pdu_utils.pdu_align('10101010', 1, 0, pdu_utils.ALIGN_DROP)
self.connectUp()
in_data = [1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1]
expected_data = [1, 1, 1, 1, 1, 1, 1, 1]
in_pdu = pmt.cons(pmt.make_dict(),
pmt.init_u8vector(len(in_data), in_data))
expected_pdu = pmt.cons(
pmt.make_dict(),
pmt.init_u8vector(len(expected_data), expected_data))
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
self.assertEqual(1, self.debug.num_messages())
print("\nEXPECTED: " + repr(pmt.car(expected_pdu)))
print("GOT: " + repr(pmt.car(self.debug.get_message(0))))
print("\nEXPECTED: " +
repr(pmt.u8vector_elements(pmt.cdr(expected_pdu))))
print("GOT: " +
repr(pmt.u8vector_elements(pmt.cdr(self.debug.get_message(0)))))
self.assertTrue(pmt.equal(self.debug.get_message(0), expected_pdu))
def test_003_normal_passa(self):
self.dut = pdu_utils.pdu_range_filter(pmt.intern("start_time"), 1, 5,
False)
self.connectUp()
in_data = [0, 0, 0, 0, 0, 0]
i_meta = pmt.dict_add(pmt.make_dict(), pmt.intern("start_time"),
pmt.from_double(1.0))
in_pdu = pmt.cons(i_meta, pmt.init_u8vector(len(in_data), in_data))
expected_data = [0, 0, 0, 0, 0, 0]
e_meta = pmt.dict_add(pmt.make_dict(), pmt.intern("start_time"),
pmt.from_double(1.0))
expected_pdu = pmt.cons(
e_meta, pmt.init_u8vector(len(expected_data), expected_data))
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
self.assertEqual(1, self.debug.num_messages())
self.assertTrue(pmt.equal(self.debug.get_message(0), expected_pdu))
def test_002_callbacks (self):
in_data = [0, 0, 0, 0]
in_meta = pmt.make_dict()
expected_meta1 = pmt.dict_add(in_meta, pmt.intern('num'), pmt.from_long(4))
expected_meta2 = pmt.dict_add(pmt.dict_add(in_meta, pmt.intern('num'), pmt.from_long(4)), pmt.intern('name'), pmt.intern('param1'))
expected_meta3 = pmt.dict_add(pmt.dict_add(in_meta, pmt.intern('name'), pmt.intern('param1')), pmt.intern('num'), pmt.from_long(1))
in_pdu = pmt.cons(in_meta, pmt.init_u8vector(len(in_data), in_data))
expected_pdu1 = pmt.cons(expected_meta1, pmt.init_u8vector(len(in_data), in_data))
expected_pdu2 = pmt.cons(expected_meta2, pmt.init_u8vector(len(in_data), in_data))
expected_pdu3 = pmt.cons(expected_meta3, pmt.init_u8vector(len(in_data), in_data))
self.tb.start()
time.sleep(.001)
self.emitter.emit(pmt.intern("MALFORMED PDU"))
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.001)
self.set.set_key(pmt.intern('name'))
self.set.set_val(pmt.intern('param1'))
time.sleep(.001)
self.emitter.emit(self.debug.get_message(0))
time.sleep(.001)
self.set.set_kv(pmt.intern('num'), pmt.from_long(1))
time.sleep(.001)
self.emitter.emit(self.debug.get_message(1))
time.sleep(.01)
self.tb.stop()
self.tb.wait()
self.assertTrue(pmt.equal(self.debug.get_message(0), expected_pdu1))
self.assertTrue(pmt.equal(self.debug.get_message(1), expected_pdu2))
self.assertTrue(pmt.equal(self.debug.get_message(2), expected_pdu3))
def test_003_unpack_MSB(self):
self.pack.set_mode(pdu_utils.MODE_UNPACK_BYTE)
self.pack.set_bit_order(pdu_utils.BIT_ORDER_MSB_FIRST)
in_data = [123, 209, 17, 35]
expected_data = [
0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0,
0, 1, 0, 0, 1, 0, 0, 0, 1, 1
]
in_pdu = pmt.cons(pmt.make_dict(),
pmt.init_u8vector(len(in_data), in_data))
expected_pdu = pmt.cons(
pmt.make_dict(),
pmt.init_u8vector(len(expected_data), expected_data))
self.tb.start()
time.sleep(.001)
self.emitter.emit(
pmt.cons(pmt.intern("NON U8 PDU"), pmt.init_u16vector(2, [1, 2])))
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
self.assertTrue(pmt.equal(self.debug.get_message(0), expected_pdu))
def test_002_larger(self):
self.ht.set_length(32)
in_data = [
1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0,
1, 1
]
in_pdu = pmt.cons(pmt.make_dict(),
pmt.init_u8vector(len(in_data), in_data))
expected_head = [
1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0,
1, 1, 0, 0, 0, 0, 0, 0, 0, 0
]
e_head_pdu = pmt.cons(
pmt.make_dict(),
pmt.init_u8vector(len(expected_head), expected_head))
expected_tail = [
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1,
1, 1, 0, 1, 0, 1, 0, 0, 1, 1
]
e_tail_pdu = pmt.cons(
pmt.make_dict(),
pmt.init_u8vector(len(expected_tail), expected_tail))
self.tb.start()
time.sleep(.001)
self.emitter.emit(pmt.intern("MALFORMED PDU"))
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
self.assertTrue(pmt.equal(self.d_head.get_message(0), e_head_pdu))
self.assertTrue(pmt.equal(self.d_tail.get_message(0), e_tail_pdu))
def test_002_pack_LSB(self):
self.pack.set_mode(pdu_utils.MODE_PACK_BYTE)
self.pack.set_bit_order(pdu_utils.BIT_ORDER_LSB_FIRST)
in_data = [
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1,
0, 1, 0
]
expected_data = [0, 255, 170, 0]
in_pdu = pmt.cons(pmt.make_dict(),
pmt.init_u8vector(len(in_data), in_data))
expected_pdu = pmt.cons(
pmt.make_dict(),
pmt.init_u8vector(len(expected_data), expected_data))
self.tb.start()
time.sleep(.001)
self.emitter.emit(
pmt.cons(pmt.PMT_T, pmt.intern("ANOTHER MALFORMED PDU")))
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
self.assertTrue(pmt.equal(self.debug.get_message(0), expected_pdu))
def test_bit_flip(self):
self.emitter = pdu_utils.message_emitter()
#self.flip = pdu_utils.pdu_binary_tools(pdu_utils.pdu_binary_tools.BIT_FLIP)
self.flip = pdu_utils.pdu_binary_tools(0)
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.flip, 'pdu_in'))
self.tb.msg_connect((self.flip, 'pdu_out'), (self.debug, 'store'))
i_vec = pmt.init_u8vector(6, [1, 0, 0, 1, 0, 1])
e_vec = pmt.init_u8vector(6, [0, 1, 1, 0, 1, 0])
in_pdu = pmt.cons(pmt.make_dict(), i_vec)
e_pdu = pmt.cons(pmt.make_dict(), e_vec)
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
print("test bit_flip:")
print("pdu expected: " + repr(pmt.car(e_pdu)))
print("pdu got: " + repr(pmt.car(self.debug.get_message(0))))
print("data expected: " + repr(pmt.u8vector_elements(pmt.cdr(e_pdu))))
print("data got: " +
repr(pmt.u8vector_elements(pmt.cdr(self.debug.get_message(0)))))
print()
self.assertTrue(pmt.equal(self.debug.get_message(0), e_pdu))
def send_pkt(self, payload):
data = pmt.init_u8vector(len(payload), [ord(c) for c in payload])
meta_dict = {}
meta_dict['dst_addr'] = pmt.init_u8vector(len(self.mac_addr),
self.mac_addr)
meta = pmt.to_pmt(meta_dict)
self.message_port_pub(pmt.intern('to_mac'), pmt.cons(meta, data))
def test_001_uint8(self):
'''
uint8_t input data, no decimation, no filter
'''
self.dut = pdu_utils.pdu_fir_filter(1, [1.0])
self.connectUp()
i_data = [1, 0, 0, 0] * 5
i_meta = pmt.dict_add(pmt.make_dict(), pmt.intern("sample_rate"),
pmt.from_float(1000.0))
in_pdu = pmt.cons(i_meta, pmt.init_u8vector(len(i_data), i_data))
e_data = [1, 0, 0, 0] * 5
e_meta = pmt.dict_add(pmt.make_dict(), pmt.intern("sample_rate"),
pmt.from_float(1000.0))
e_pdu = pmt.cons(e_meta, pmt.init_u8vector(len(e_data), e_data))
self.tb.start()
time.sleep(.01)
self.emitter.emit(in_pdu)
time.sleep(.1)
self.tb.stop()
self.tb.wait()
print("test_001:")
print("pdu expected: " + repr(pmt.car(e_pdu)))
print("pdu got: " + repr(pmt.car(self.debug.get_message(0))))
print("data expected: " + repr(pmt.to_python(pmt.cdr(e_pdu))))
print("data got: " +
repr(pmt.to_python(pmt.cdr(self.debug.get_message(0)))))
print
self.assertTrue(pmt.equal(self.debug.get_message(0), e_pdu))
def test_008_match_leading_zeros (self):
'''
Leading zeros at the beginning of the alignment sequence previously caused
invalid alignments due to not checking to ensure that the entire alignment
sequence was checked before emitting the message
For an alignment sequence of:
'00000000'*3 + '10110111'
a message was kicked out with the following contents
'00000000'*3 + '10110111' + ...
if the first 8 bits of a sequence were within the threshold of the last 8
bits of the alignment sequence, which has a 1 in 256 chance of occuring
statistically anyway.
'''
preamble = '00000000' * 3 + '10110111'
self.dut = pdu_utils.pdu_align(preamble, 0, 0, pdu_utils.ALIGN_EMPTY)
self.connectUp()
in_data = [int(a) for a in ('10110111' + '00000000' * 3 + '10110111' + '10100101')]
expected_data = [1, 0, 1, 0, 0, 1, 0, 1]
in_pdu = pmt.cons(pmt.make_dict(), pmt.init_u8vector(len(in_data), in_data))
expected_pdu = pmt.cons(pmt.make_dict(), pmt.init_u8vector(len(expected_data), expected_data))
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.1)
self.tb.stop()
self.tb.wait()
self.assertTrue(pmt.equal(self.debug.get_message(0), expected_pdu))
def test_001_t(self):
# set up data
srcdata = (1, 2, 3)
meta = pmt.to_pmt({'dissector': 'rds'})
srcpdu = pmt.cons(meta, pmt.init_u8vector(len(srcdata), srcdata))
outdata = (82, 70, 116, 97, 4, 0, 0, 0, 16, 0, 3, 255, 114, 100, 115,
0) + srcdata
outpdu = pmt.cons(meta, pmt.init_u8vector(len(outdata), outdata))
# set up flowgraph
encap = rftap_encap(1, -1, "")
sink = blocks.message_debug()
tb = gr.top_block()
tb.msg_connect(encap, "out", sink, "store")
# run flowgraph
tb.start()
t = time.time()
encap.to_basic_block()._post(pmt.intern("in"), srcpdu)
while time.time() - t < 2: # timeout
if sink.num_messages() > 0: break # got msg
time.sleep(0.1)
tb.stop()
tb.wait()
# check data
recpdu = sink.get_message(0)
#print 'expected:', pmt.u8vector_elements(pmt.cdr(outpdu))
#print 'actual :', pmt.u8vector_elements(pmt.cdr(recpdu))
self.assertTrue(pmt.equal(recpdu, outpdu))
def handle_msg(self, msg_pmt):
msg = pmt.cdr(msg_pmt)
if not pmt.is_u8vector(msg):
print("[ERROR] Received invalid message type. Expected u8vector")
return
control = [numpy.uint8(0)] if self.control_byte else []
frame = bytes([FEND] + control + kiss_escape(pmt.u8vector_elements(msg)) + [FEND])
if self.include_timestamp:
timestamp_frame = bytes([FEND] + kiss_escape(self.create_timestamp()) + [FEND])
self.message_port_pub(pmt.intern('out'), pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(timestamp_frame), timestamp_frame)))
self.message_port_pub(pmt.intern('out'), pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(frame), frame)))
def handle_msg(self, msg_pmt):
msg = pmt.cdr(msg_pmt)
if not pmt.is_u8vector(msg):
print "[ERROR] Received invalid message type. Expected u8vector"
return
data = list(pmt.u8vector_elements(msg))
crc = hdlc.crc_ccitt(data)
data.append(crc & 0xff)
data.append((crc >> 8) & 0xff)
buff = hdlc.flag * self.preamble_bytes
ones = 0 # number of consecutive ones
for byte in data:
for _ in range(8):
# transmit byte LSB first
x = byte & 1
buff.append(x)
if x:
ones += 1
else:
ones = 0
if ones == 5:
# bit-stuff
buff.append(0)
ones = 0
byte >>= 1
buff.extend(hdlc.flag * self.postamble_bytes)
buff = array.array('B', buff)
self.message_port_pub(pmt.intern('out'), pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(buff), buff)))
def test_001_t (self):
data = [ord('t'),ord('e'),ord('s'),ord('t')]
msg = pmt.list1(pmt.list2(pmt.string_to_symbol("msg_clear"),pmt.init_u8vector(len(data),data)))
filename_sk = "secret.key"
filename_pk = "public.key"
nacl.generate_keypair(filename_sk,filename_pk)
strobe = blocks.message_strobe(msg, 100)
encrypt_public = nacl.encrypt_public(filename_pk,filename_sk)
debug = blocks.message_debug()
self.tb.msg_connect(strobe,"strobe",encrypt_public,"Msg clear")
self.tb.msg_connect(encrypt_public,"Msg encrypted",debug,"store")
self.tb.start()
sleep(0.15)
self.tb.stop()
self.tb.wait()
# check results
msg_stored = debug.get_message(0)
nonce = pmt.nth(0,msg_stored)
msg_encrypted = pmt.nth(1,msg_stored)
print pmt.symbol_to_string(pmt.nth(0,nonce)), pmt.u8vector_elements(pmt.nth(1,nonce))
print pmt.symbol_to_string(pmt.nth(0,msg_encrypted)), pmt.u8vector_elements(pmt.nth(1,msg_encrypted))
def send_pkt_radio(self, payload, meta_dict, pkt_cnt):
# sink in Sink table?
if self.SINK_ADDR not in self.sinkTable.keys():
if self.debug_stderr:
# yes! log the packet
sys.stderr.write(
"%d:in send_pkt_radio(): dropping packet\n" % self.addr)
# drop the packet
return
# yes! get the value paired with the sink key
aSinkVal = self.sinkTable[self.SINK_ADDR]
# yes! data packet header structure
data = [self.DATA_PROTO, self.addr, self.addr, pkt_cnt, aSinkVal.min_dx_to_sink,
self.SINK_ADDR, aSinkVal.min_dx_to_sink + self.R]
# add payload
if payload is None:
payload = []
elif isinstance(payload, str):
payload = map(ord, list(payload))
elif not isinstance(payload, list):
payload = list(payload)
data += payload
# debug mode enabled?
if self.debug_stderr:
# yes! log the packet
sys.stderr.write(
"%d:in send_pkt_radio(): sending packet:\n" % self.addr)
self.print_pkt(data)
# conversion to PMT PDU (meta data, data)
pdu = pmt.cons(
pmt.to_pmt({}),
pmt.init_u8vector(len(data), data))
# push to radio msg port
self.message_port_pub(pmt.intern('to_radio'), pdu)
def handle_msg(self, msg_pmt):
msg = pmt.cdr(msg_pmt)
if not pmt.is_u8vector(msg):
print "[ERROR] Received invalid message type. Expected u8vector"
return
self.kiss.extend(pmt.u8vector_elements(msg))
while self.kiss:
c = self.kiss.popleft()
if c == FEND:
if self.pdu and not self.pdu[0] & 0x0f:
msg = array.array('B', self.pdu[1:])
self.message_port_pub(pmt.intern('out'), pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(msg), msg)))
self.pdu = list()
elif self.transpose:
if c == TFEND:
self.pdu.append(FEND)
elif c == TFESC:
self.pdu.append(FESC)
self.transpose = False
elif c == FESC:
self.transpose = True
else:
self.pdu.append(c)
def test_000 (self):
if enable_vw_testing:
return
print "test_000"
payload_sizes = [28, 60, 92, 124, 156, 188, 220]
codeword_sizes = [47, 79, 111, 159, 191, 223 ,255]
enc = nuts.ngham_encoder(self.tsb_key)
dec = nuts.ngham_decoder(verbose=True)
dbg = blocks.message_debug()
self.tb.connect(enc,dec)
self.tb.msg_connect(dec, "out", dbg, "store")
port_in = pmt.intern("in")
print "starting up"
self.tb.start()
i = 0
#for i in range(len(payload_sizes)*0 + 1):
src_data = [x for x in range(payload_sizes[i])]
src_vec = pmt.init_u8vector(len(src_data), src_data)
msg = pmt.cons(pmt.PMT_NIL, src_vec)
print "posting msg"
enc.to_basic_block()._post(port_in, msg)
#while dbg.num_messages() < 1:
#print "waiting..."
time.sleep(1)
self.tb.stop()
self.tb.wait()
result_msg = dbg.get_message(0)
vector = pmt.u8vector_elements(pmt.cdr(result_msg))
print metadata
print vector
def handle_msg(self, msg_pmt):
msg = pmt.cdr(msg_pmt)
if not pmt.is_u8vector(msg):
print "[ERROR] Received invalid message type. Expected u8vector"
return
packet = str(bytearray(pmt.u8vector_elements(msg)))
data = None
try:
if self.verbose:
print "Trying to decode as long packet: 250 FEC bytes, 92 data bytes"
(data, bit_corr, byte_corr) = self.ec.decode(packet[1:])
except Exception as ex:
if self.verbose: print(ex)
try:
if self.verbose:
print "Trying to decode as short packet: 128 FEC bytes, 31 data bytes"
(data, bit_corr, byte_corr) = self.ec.decode(packet[1:1 + 128])
except Exception as ex:
if self.verbose: print(ex)
if data:
if self.verbose:
print "FEC decoded OK. Bit errors: {}. Byte errors {}".format(bit_corr,
byte_corr)
data = data[:-2] # strip out HMAC
self.message_port_pub(pmt.intern('out'),
pmt.cons(pmt.PMT_NIL,
pmt.init_u8vector(len(data), bytearray(data))))
def test_000 (self):
if enable_vw_testing:
return
# this function will check that the encoder produces correct packet lengths
payload_sizes = [28, 60, 92, 124, 156, 188, 220]
codeword_sizes = [47, 79, 111, 159, 191, 223 ,255]
enc = nuts.ngham_encoder(self.tsb_key, scramble=False, pad_for_usrp=False)
snk = blocks.vector_sink_b()
self.tb.connect(enc, snk)
port = pmt.intern("in")
self.tb.start()
for i in range(7):
snk.reset()
src_data = [x for x in range(payload_sizes[i])]
src_vec = pmt.init_u8vector(len(src_data), src_data)
msg = pmt.cons( pmt.PMT_NIL, src_vec )
enc.to_basic_block()._post(port, msg)
time.sleep(0.1)
res_data = snk.data()
print len(src_data), "=>", len(res_data), "(", codeword_sizes[i] + 11,")"
self.assertEqual(len(res_data), codeword_sizes[i]+11)
self.tb.stop()
self.tb.wait()
def test_004(self):
# Test that the TCP server can stream PDUs <= the MTU size.
port = str(random.Random().randint(0, 30000) + 10000)
mtu = 10000
srcdata = tuple(x % 256 for x in range(mtu))
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_send = blocks.socket_pdu("TCP_SERVER", "localhost", port, mtu)
self.pdu_recv = blocks.socket_pdu("TCP_CLIENT", "localhost", port, mtu)
self.pdu_sink = blocks.message_debug()
self.tb.msg_connect(self.pdu_source, "strobe", self.pdu_send, "pdus")
self.tb.msg_connect(self.pdu_recv, "pdus", self.pdu_sink, "store")
self.tb.start()
time.sleep(1)
self.tb.stop()
self.tb.wait()
received = self.pdu_sink.get_message(0)
received_data = pmt.cdr(received)
msg_data = []
for i in range(mtu):
msg_data.append(pmt.u8vector_ref(received_data, i))
self.assertEqual(srcdata, tuple(msg_data))
def handle_msg(self, msg):
meta = pmt.car(msg)
data = pmt.cdr(msg)
if not pmt.is_u8vector(data):
raise NameError("Data is no u8 vector")
packet = pmt.u8vector_elements(data)
packet = array.array("B", packet)
# TODO - add ax25 depacket
try:
string, payload, pid, ctrl, src, dest = ax25.printpacket(packet.tostring())
if self.verbose:
print "Packet: ", packet.tostring()
print "Payload: ", payload
print "Payload(hex): ", self.hex_string(array.array("B", payload))
print "PID: %x" % pid
print "CTRL: %x" % ctrl
print "SRC: ", src
print "DEST: ", dest
payload = array.array("B", payload)
# print outstream
self.message_port_pub(pmt.intern("out"), pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(payload), payload)))
print "********Deframer: ", time.time()
except:
print ("Bad packet")
return 0
def handler(self, msg):
ba = bitarray.bitarray();
meta = pmt.car(msg);
packed_data = pmt.cdr(msg);
# convert pmt -> int list (of packed bytes)
data = array.array('B', pmt.u8vector_elements(packed_data))
# add header on front
header = struct.pack('hh', 0x1337, 8*len(data));
ba.frombytes(header);
# compute header crc
c2 = binascii.crc32(ba.tobytes());
hcrc = struct.pack('i', c2);
ba.frombytes(hcrc);
# add the data payload
ba.frombytes(data.tostring())
# compute payload crc
c2 = binascii.crc32(ba.tobytes());
pcrc = struct.pack('i', c2);
ba.frombytes(pcrc);
# convert the unpacked bits to a list and back into a pmt u8vector
burst_bits = pmt.init_u8vector(len(ba), ba.tolist());
print "Tx Packet: " + ":".join("{:02x}".format(ord(c)) for c in ba.tobytes()[0:8])
# make the new pdu
pdu = pmt.cons(meta, burst_bits);
# send it on its way
self.message_port_pub(pmt.intern("unpacked_pdus"), pdu);
def test_006_basic_nrz(self):
self.dut = pdu_utils.pdu_preamble([], [], 1, 0, True)
self.connectUp()
input_data = pmt.init_u8vector(8, [1, 0, 1, 1, 0, 0, 1, 0])
input_dict = pmt.dict_add(pmt.make_dict(), pmt.intern("KEY"),
pmt.intern("VALUE"))
input_pdu = pmt.cons(input_dict, input_data)
expected_data = [1, -1, 1, 1, -1, -1, 1, -1]
expected_dict = pmt.dict_add(pmt.make_dict(), pmt.intern("KEY"),
pmt.intern("VALUE"))
expected_pdu = pmt.cons(
expected_dict, pmt.init_f32vector(len(expected_data),
expected_data))
self.tb.start()
time.sleep(.001)
self.emitter.emit(input_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
self.assertEqual(1, self.debug.num_messages())
print("test_006_basic_nrz:")
print("pdu expected: " + repr(pmt.car(expected_pdu)))
print("pdu got: " + repr(pmt.car(self.debug.get_message(0))))
print("data expected: " + repr(pmt.to_python(pmt.cdr(expected_pdu))))
print("data got: " +
repr(pmt.to_python(pmt.cdr(self.debug.get_message(0)))))
print
self.assertTrue(pmt.equal(self.debug.get_message(0), expected_pdu))
def test_001(self):
#test complementary operation of framer & deframer
#want to frame some random data that has enough consecutive bits to
#stuff at least a few bits
npkts = 20
src_data = [0xFE, 0xDA, 0xAC, 0x29, 0x7F, 0xA2, 0x90, 0x0F, 0xF8]
frame = digital.hdlc_framer_pb("wat")
corr = digital.correlate_access_code_tag_bb("01111110", 0, "frame")
deframe = digital.hdlc_deframer_bp("frame", 32, 500)
debug = blocks.message_debug()
self.tb.connect(frame, corr, deframe)
self.tb.msg_connect(deframe, "out", debug, "store")
self.tb.start()
msg = pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(src_data),src_data))
for i in xrange(npkts):
frame.to_basic_block()._post(pmt.intern("in"), msg)
sleep(0.2)
self.tb.stop()
self.tb.wait()
rxmsg = debug.get_message(0)
result_len = pmt.blob_length(pmt.cdr(rxmsg))
msg_data = []
for j in xrange(result_len):
msg_data.append(pmt.u8vector_ref(pmt.cdr(rxmsg), j))
self.assertEqual(src_data, msg_data)
def test_pdu_length_filter(self):
tb = gr.top_block()
dbg = blocks.message_debug()
sizes = [25, 50, 100]
test_data = list(range(np.max(sizes)))
msgs = [test_data[:x] for x in sizes]
pdus = [pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(m), m))
for m in msgs]
length_filter = pdu_length_filter(40, 60)
tb.msg_connect((length_filter, 'out'), (dbg, 'store'))
for pdu in pdus:
length_filter.to_basic_block()._post(pmt.intern('in'), pdu)
length_filter.to_basic_block()._post(
pmt.intern('system'),
pmt.cons(pmt.intern('done'), pmt.from_long(1)))
tb.start()
tb.wait()
self.assertEqual(
dbg.num_messages(), 1,
'Incorrect number of messages passed by PDU Length Filter')
out = pmt.u8vector_elements(pmt.cdr(dbg.get_message(0)))
self.assertEqual(
len(out), 50,
'PDU Length Filter output does not match expected')
def test_encoder_decoder(self):
"""Connects a PDU to KISS and KISS to PDU and sends PDUs through"""
pdu2kiss = pdu_to_kiss(include_timestamp=True)
kiss2pdu = kiss_to_pdu()
pdu2tag = blocks.pdu_to_tagged_stream(byte_t)
dbg = blocks.message_debug()
self.tb.connect(pdu2tag, kiss2pdu)
self.tb.msg_connect((pdu2kiss, 'out'), (pdu2tag, 'pdus'))
self.tb.msg_connect((kiss2pdu, 'out'), (dbg, 'store'))
test_size = 150
test_number_frames = 7
test_data = [
np.random.randint(0, 256, test_size, dtype='uint8')
for _ in range(test_number_frames)
]
for td in test_data:
test_frame = pmt.cons(pmt.PMT_NIL,
pmt.init_u8vector(test_size, td))
pdu2kiss.to_basic_block()._post(pmt.intern('in'), test_frame)
pdu2kiss.to_basic_block()._post(
pmt.intern('system'), pmt.cons(pmt.intern('done'),
pmt.from_long(1)))
self.tb.start()
self.tb.wait()
for j, td in enumerate(test_data):
result_data = pmt.u8vector_elements(pmt.cdr(dbg.get_message(j)))
np.testing.assert_equal(
td, result_data,
'KISS to PDU output does not match expected frame')
def test_004 (self):
# Test that the TCP server can stream PDUs <= the MTU size.
port = str(random.Random().randint(0, 30000) + 10000)
mtu = 10000
srcdata = tuple(x % 256 for x in range(mtu))
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_send = blocks.socket_pdu("TCP_SERVER", "localhost", port, mtu)
self.pdu_recv = blocks.socket_pdu("TCP_CLIENT", "localhost", port, mtu)
self.pdu_sink = blocks.message_debug()
self.tb.msg_connect(self.pdu_source, "strobe", self.pdu_send, "pdus")
self.tb.msg_connect(self.pdu_recv, "pdus", self.pdu_sink, "store")
self.tb.start()
time.sleep(1)
self.tb.stop()
self.tb.wait()
received = self.pdu_sink.get_message(0)
received_data = pmt.cdr(received)
msg_data = []
for i in range(mtu):
msg_data.append(pmt.u8vector_ref(received_data, i))
self.assertEqual(srcdata, tuple(msg_data))
def _to_ofdm_radio(self, pdu_tuple, pkt_cnt, protocol_id, control):
meta_data = pdu_tuple[1]
payload = pdu_tuple[0]
if payload is None:
payload = []
elif isinstance(payload, str):
payload = map(ord, list(payload))
elif not isinstance(payload, list):
payload = list(payload)
dest_addr = meta_data['EM_DEST_ADDR']
if dest_addr == -1:
dest_addr = BROADCAST_ADDR
elif dest_addr < -1 or dest_addr > BROADCAST_ADDR:
print "Invalid address:", dest_addr
return
#create header, merge with payload, convert to pmt for message_pub
data = [pkt_cnt, self.address, dest_addr, protocol_id, control]
data += payload
data = pmt.init_u8vector(len(data), data)
meta = pmt.to_pmt({})
#construct pdu and publish to radio port
pdu = pmt.cons(meta, data)
#publish to msg port
self.message_port_pub(pmt.intern('to_ofdm_radio'),pdu)
def work(self, input_items, output_items):
in0 = input_items[0]
for x in in0:
if x:
self.ones += 1
self.bits.append(x)
else:
if self.ones == 5:
# destuff = do nothing
None
elif self.ones > 5: # should be ones == 6 unless packet is corrupted
# flag received
# prepare to send frame
for _ in range(min(7, len(self.bits))):
self.bits.pop() # remove 7 previous flag bits
if len(self.bits) % 8:
# pad on the left with 0's
self.bits.extendleft([0] * (8 - len(self.bits) % 8))
frame = pack(self.bits)
self.bits.clear()
if frame and (not self.check or fcs_ok(frame)):
# send frame
buff = frame[:-2] # trim fcs
self.message_port_pub(
pmt.intern('out'),
pmt.cons(pmt.PMT_NIL,
pmt.init_u8vector(len(buff), buff)))
else:
self.bits.append(x)
self.ones = 0
return len(input_items[0])
def packetise(self, msg):
data = pmt.cdr(msg)
meta = pmt.car(msg)
if not pmt.is_u8vector(data):
#raise NameError("Data is no u8 vector")
return "Message data is not u8vector"
buf = pmt.u8vector_elements(data)
buf_str = "".join(map(chr, buf))
# FIXME: Max: 4096-header-crc
meta_dict = pmt.to_python(meta)
if not (type(meta_dict) is dict):
meta_dict = {}
pkt = ""
pkt += self.preamble
pkt += packet_utils.make_packet(
buf_str,
0, #self._samples_per_symbol,
0, #self._bits_per_symbol,
#preamble=<default>
access_code=self.access_code,
pad_for_usrp=False, #pad_for_usrp,
whitener_offset=self.whitener_offset,
whitening=self.whiten)
pkt += self.postamble
pkt = map(ord, list(pkt))
if self.rotate_whitener_offset:
self.whitener_offset = (self.whitener_offset + 1) % 16
meta = pmt.to_pmt(meta_dict)
data = pmt.init_u8vector(len(pkt), pkt)
self.message_port_pub(pmt.intern('out'), pmt.cons(meta, data))
'''
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 range(4):
msg_data.append(pmt.u8vector_ref(received_data, i))
self.assertEqual(srcdata, tuple(msg_data))
def test_001_t(self):
data = [ord("a"), ord("b"), ord("c"), ord("d")]
msg = pmt.list1(pmt.list2(pmt.string_to_symbol("msg_clear"), pmt.init_u8vector(len(data), data)))
filename_key = "secret.a"
nacl.generate_key(filename_key)
strobe = blocks.message_strobe(msg, 100)
encrypt_secret = nacl.encrypt_secret(filename_key)
decrypt_secret = nacl.decrypt_secret(filename_key)
debug = blocks.message_debug()
self.tb.msg_connect(strobe, "strobe", encrypt_secret, "Msg clear")
self.tb.msg_connect(encrypt_secret, "Msg encrypted", decrypt_secret, "Msg encrypted")
self.tb.msg_connect(decrypt_secret, "Msg decrypted", debug, "store")
self.tb.start()
sleep(0.15)
self.tb.stop()
self.tb.wait()
# check results
msg_out = debug.get_message(0)
msg_symbol = pmt.symbol_to_string(pmt.nth(0, pmt.nth(0, msg_out)))
msg_decrypted = pmt.u8vector_elements(pmt.nth(1, pmt.nth(0, msg_out)))
print msg_symbol, msg_decrypted
print "msg_clear", data
for k in range(len(data)):
self.assertEqual(data[k], msg_decrypted[k])
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 range(4):
msg_data.append(pmt.u8vector_ref(received_data, i))
self.assertEqual(srcdata, tuple(msg_data))
def handle_msg(self, msg_pmt):
msg = pmt.cdr(msg_pmt)
if not pmt.is_u8vector(msg):
print "[ERROR] Received invalid message type. Expected u8vector"
return
buff = list()
buff.append(FEND)
buff.append(numpy.uint8(0))
for x in pmt.u8vector_elements(msg):
if x == FESC:
buff.append(FESC)
buff.append(TFESC)
elif x == FEND:
buff.append(FESC)
buff.append(TFEND)
else:
buff.append(numpy.uint8(x))
buff.append(FEND)
buff = array.array('B', buff)
self.message_port_pub(
pmt.intern('out'),
pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(buff), buff)))
def work(self, input_items, output_items):
self.kiss.extend(input_items[0])
while self.kiss:
c = self.kiss.popleft()
if c == FEND:
if self.pdu and (not self.control_byte
or not self.pdu[0] & 0x0f):
msg = array.array(
'B', self.pdu[1:] if self.control_byte else self.pdu)
self.message_port_pub(
pmt.intern('out'),
pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(msg),
msg)))
self.pdu = list()
elif self.transpose:
if c == TFEND:
self.pdu.append(FEND)
elif c == TFESC:
self.pdu.append(FESC)
self.transpose = False
elif c == FESC:
self.transpose = True
else:
self.pdu.append(c)
return len(input_items[0])
def handle_msg(self, arg):
msg = pmt.write_string(arg);
fullmsg = self.header + msg;
ba = bitarray.bitarray();
ba.fromstring(fullmsg);
fsl = ba.tolist();
pdu = pmt.cons(pmt.PMT_NIL,pmt.init_u8vector(len(fsl), fsl));
# pdu = pmt.cons(pmt.PMT_NIL,pmt.to_pmt(map(lambda x: int(x), ba.tolist())));
self.message_port_pub(pmt.intern("pdu"), pdu);
def output_user_data(self,pdu_tuple):
if (len(pdu_tuple[0]) > 5):
data = pdu_tuple[0][5:]
data = pmt.init_u8vector(len(data),data)
#pass through metadata if there is any
meta = pmt.to_pmt(pdu_tuple[1])
self.message_port_pub(pmt.intern('to_app'),pmt.cons(meta,data))
def handle_msg(self, msg_pmt):
msg = pmt.cdr(msg_pmt)
if not pmt.is_u8vector(msg):
print "[ERROR] Received invalid message type. Expected u8vector"
return
packet = array.array("B", pmt.u8vector_elements(msg))
header = packet[:4]
header.reverse()
packet = header + packet[4:]
msg_pmt = pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(packet), bytearray(packet)))
self.message_port_pub(pmt.intern('out'), msg_pmt)
def handler(self, msg):
meta = pmt.car(msg);
data_in = pmt.cdr(msg);
data = array.array('B', pmt.u8vector_elements(data_in))
#data = array.array('B', pmt.u8vector_elements(data_in))
pre_data = self.preamble + data;
# print pre_data[:100];
#burst_bits = pmt.to_pmt(pre_data);
burst_bits = pmt.init_u8vector(len(pre_data), pre_data.tolist());
pdu = pmt.cons(meta, burst_bits);
self.message_port_pub(pmt.intern("pdus"), pdu);
def post_data(self, data, type=None, arg1=None, arg2=None):
ok, payload = packet_utils.unmake_packet(data, int(arg1), self.dewhiten)
if not ok:
#print "Packet of length %d failed CRC" % (len(data)) # Max len is 4095
if not self.output_invalid:
return
payload = map(ord, list(payload))
buf = pmt.init_u8vector(len(payload), payload)
meta_dict = {'CRC_OK': ok}
meta = pmt.to_pmt(meta_dict)
self.message_port_pub(pmt.intern('pdu'), pmt.cons(meta, buf))
def output_user_data(self, pdu_tuple):
self.message_port_pub(pmt.intern('to_app'), \
# meta_dic
pmt.cons(pmt.to_pmt(pdu_tuple[1]), \
# encapsulated data
pmt.init_u8vector(len(pdu_tuple[0][self.DATA_PKT_MIN_LENGTH:]), \
pdu_tuple[0][self.DATA_PKT_MIN_LENGTH:])))
# write packet to standard output
sys.stdout.write(time.asctime(time.localtime(time.time())) + " : ");
# print data
for i in range(0, len(pdu_tuple[0])):
sys.stdout.write("%d " % pdu_tuple[0][i])
sys.stdout.write("\n")
def _demux(self, buf, meta_dict):
header = []
chan_flags = buf[0]
# Added manually to reconstructed header
buf = buf[1:]
chan_id = None
frag_id, frag_idx, frag_num = None, -1, 0
try:
if chan_flags & CHAN_FLAG_ID:
chan_id = buf[0]
header += buf[:1]
buf = buf[1:]
if chan_flags & CHAN_FLAG_FRAG:
frag_id, frag_idx, frag_num = buf[0], buf[1], buf[2]
# Ignore for header reconstruction
buf = buf[3:]
except:
print "Exception parsing packet channel header"
return
if frag_id is not None:
self.clean_frags(frag_id)
frag_result = self.add_frag(frag_id, frag_idx, frag_num, buf)
if frag_result is not None:
chan_flags = (chan_flags & ~CHAN_FLAG_FRAG) & 0xFF
buf = [chan_flags] + header + frag_result
self._demux(buf, meta_dict)
return
if chan_id in self.channel_map.keys():
out_name = self.channel_map[chan_id]
else:
out_name = 'out%d' % ((self.channel_count - 1))
#lets append some metadata to the pdu
meta_dict['EM_CHAN_ID'] = chan_id
#print chan_id, out_name, meta_dict
#print "[virtual_channel_decoder]", meta_dict
#convert dictionary back to a pmt
meta = pmt.to_pmt(meta_dict)
data = pmt.init_u8vector(len(buf),buf)
self.message_port_pub(pmt.intern(out_name), pmt.cons(meta, data))
def test_001_t (self):
# set up fg
msg_meta = pmt.make_dict()
msg_meta = pmt.dict_add(msg_meta, pmt.to_pmt("freq"), pmt.to_pmt("val"))
vec1 = [0x01, 0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,0x01, 0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,0x01, 0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,0x01, 0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00];
msg_vector = pmt.init_u8vector(len(vec1), vec1)
msg = pmt.cons(msg_meta, msg_vector)
src = blocks.message_strobe(msg, 10)
dut = capture_tools.bit_sniffer(fade_out=500, hexadecimal=True)
self.tb.msg_connect((src, "strobe"), (dut, "packets"))
self.tb.start ()
time.sleep(5)
vec1 = [0x01, 0x00, 0x01, 0x00, 0x01, 0x00];
msg_vector = pmt.init_u8vector(len(vec1), vec1)
msg = pmt.cons(msg_meta, msg_vector)
src.set_msg(msg);
time.sleep(5)
vec1 = [0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x01];
msg_vector = pmt.init_u8vector(len(vec1), vec1)
msg = pmt.cons(msg_meta, msg_vector)
src.set_msg(msg);
time.sleep(5)
self.tb.stop()
def send_notification_radio(self, source, seq_num):
# receiver notification structure
data = [self.NOTI_PROTO, self.addr, source, seq_num]
# debug mode enabled?
if self.debug_stderr:
# yes! log the packet
sys.stderr.write(
"%d:in send_notification_radio(): sending notification:\n" % self.addr)
# conversion to PMT PDU (meta data, data)
pdu = pmt.cons(
pmt.to_pmt({}),
pmt.init_u8vector(len(data), data))
# push to radio msg port
self.message_port_pub(pmt.intern('to_radio'), pdu)
def send_pkt_radio(self,pdu_tuple,pkt_cnt,protocol_id,control):
#create header, merge with payload, convert to pmt for message_pub
data = (pkt_cnt,self.addr,pdu_tuple[1]['EM_DEST_ADDR'],protocol_id,control) + pdu_tuple[0]
data = pmt.init_u8vector(len(data),data)
meta = pmt.to_pmt({})
#construct pdu and publish to radio port
pdu = pmt.cons(meta,data)
#publish to msg port
self.message_port_pub(pmt.intern('to_radio'),pdu)
print >> sys.stderr, "@MAC.send_pkt_radio"
return
def handler(self, msg):
meta = pmt.car(msg)
packed_data = pmt.cdr(msg)
# convert pmt -> int list -> string -> bit array
ba = bitarray.bitarray()
ba.frombytes(array.array("B", pmt.u8vector_elements(packed_data)).tostring())
# convert the unpacked bits to a list and back into a pmt u8vector
unpacked_data = pmt.init_u8vector(len(ba), ba.tolist())
# make the new pdu
pdu = pmt.cons(meta, unpacked_data)
# send it on its way
self.message_port_pub(pmt.intern("unpacked_pdus"), pdu)
def send_pkt_radio(self, pdu_tuple, pkt_cnt, protocol_id, control, allow_dummy=True):
meta_data = pdu_tuple[1]
if allow_dummy:
prepend_dummy = self.prepend_dummy or ('EM_PREPEND_DUMMY' in meta_data.keys() and meta_data['EM_PREPEND_DUMMY'])
if prepend_dummy:
#meta_data['EM_PREPEND_DUMMY'] = False
#sys.stdout.write('.')
#sys.stdout.flush()
self.send_pkt_radio(pdu_tuple, pkt_cnt, DUMMY_PROTOCOL_ID, control, False)
payload = pdu_tuple[0]
if payload is None:
payload = []
elif isinstance(payload, str):
payload = map(ord, list(payload))
elif not isinstance(payload, list):
payload = list(payload)
dest_addr = meta_data['EM_DEST_ADDR']
if dest_addr == -1:
dest_addr = BROADCAST_ADDR
elif dest_addr < -1 or dest_addr > BROADCAST_ADDR:
print "Invalid address:", dest_addr
return
#create header, merge with payload, convert to pmt for message_pub
data = [
pkt_cnt,
self.addr,
dest_addr,
protocol_id,
control
]
data += payload
data = pmt.init_u8vector(len(data), data)
meta = pmt.to_pmt({})
#construct pdu and publish to radio port
pdu = pmt.cons(meta, data)
#publish to msg port
self.message_port_pub(pmt.intern('to_radio'),pdu)
with self.lock:
self.last_tx_time = time.time()
def send_sink_pkt(self, addr, seq_num, hop_count):
# beacon packet structure
data = [self.SINK_PROTO, self.addr, addr, seq_num, hop_count]
# debug mode enabled?
if self.debug_stderr: # Yes!
# log the packet
sys.stderr.write(
"%d:in send_sink_pkt(): sending sink packet:\n" % self.addr)
self.print_sink_pkt(data)
# conversion to PMT PDU (meta data, data)
pdu = pmt.cons(
pmt.to_pmt({}),
pmt.init_u8vector(len(data), data))
# push to radio msg port
self.message_port_pub(pmt.intern('to_radio'), pdu)
# save current transmit time
with self.lock:
self.sink_pkt_xmit_time = time.time()
def handle_binary(self,msg):
data = pmt.cdr(msg)
if not pmt.is_u8vector(data):
raise NameError("Data is not u8 vector")
payload = array.array("B",pmt.u8vector_elements(data))
buf = payload
#print buf
for i in buf:
if self.rx_state == GET_FEND:
if i == FEND:
self.rx_state = GET_LEN
self.count = 0
self.incoming_len = 0
elif self.rx_state == GET_LEN:
self.incoming_len |= ( ( i & 0xFF ) << ( 8 * (3 - self.count ) ) )
self.count += 1
if self.count == 4:
#print "PDU Link(TTY): Receiving Payload Frame of Length:",self.incoming_len,self.last_time - time.time()
print "<binary_to_pdu> Receiving Payload Frame of Length:", self.incoming_len
self.last_time = time.time()
if self.incoming_len < 2048:
self.count = 0
self.rx_state = GET_PAYLOAD
else:
print "Received unreasonable payload length: ",self.incoming_len, "Aborting!"
self.rx_state = GET_FEND
elif self.rx_state == GET_PAYLOAD:
#print self.count,len(self.out_buf),self.incoming_len
self.out_buf[self.count] = i
self.count += 1
if self.count == self.incoming_len:
#print buf
self.rx_state = GET_FEND
packet = self.out_buf[0:self.incoming_len]
print "<binary_to_pdu>", packet
self.message_port_pub(pmt.intern('pdu_out'),pmt.cons(pmt.PMT_NIL,pmt.init_u8vector(len(packet),packet)))
self.count = 0
def handle_msg(self, msg):
# decrypted data
plaintext = []
# consume encrypted data from encoder
ciphertext = pmt.to_python(msg)
for i in range(len(ciphertext)):
# use one key bit
k = self.key_bit.pop(0)
# post decrypted data bit
t = ciphertext[i]^k
plaintext.append(t)
if self.debug:
sys.stderr.write("decoder.handle_msg():plain text: " + \
str(plaintext) + \
" cipher text: " + str(ciphertext) + "\n")
# post encrypted data, converted to the PDU PMT
self.message_port_pub(pmt.intern('plaintext'), \
pmt.cons(pmt.to_pmt({}), \
pmt.init_u8vector(len(plaintext),plaintext)))
def handler(self, msg):
meta = pmt.car(msg);
packed_data = pmt.cdr(msg);
data = array.array('B', pmt.u8vector_elements(packed_data))
# break up into blocks
nbits = len(data); # 32 for the payload crc
final_len = int(math.ceil( 1.0*nbits / self.blocksize) * self.blocksize);
padding = final_len - nbits;
# add some padding
for i in range(0,padding):
data.append(0);
padded_bits = pmt.init_u8vector(len(data), data);
pdu = pmt.cons(meta, padded_bits);
# send it on its way
self.message_port_pub(pmt.intern("pdus"), pdu);