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_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 deframe_NPDU(self, msg_pmt):
global pack_err
global pack_tot
global PER
# veficcación del formato PMT
if pmt.is_blob(msg_pmt):
blob = msg_pmt
#print "is blob"
elif pmt.is_pair(msg_pmt):
blob = pmt.cdr(msg_pmt)
#print "is pair"
else:
print "Formato desconocido"
return
data_len = pmt.blob_length(blob)
if (data_len < 11):
print "MAC: muy corta!"
pack_err = pack_err + 1.0
return
data_np = pmt.to_python(blob) #numpy.ndarray
data_py = data_np.tolist() #python list
#print "Paquete",data_py,data_py.__class__
#print "Dir Gateway",self.SrcAddR," Dir Nodo",data_py[7:9]
if len(set(self.SrcAddR).intersection(
data_py)) < 2: #Validación TX de la misma dirección
# Valodacion FCS y cuenta PER
rec_FCS = [data_py[-2], data_py[-1]] #FCS recibido
del data_py[-2], data_py[-1] #quita FCS
s_to_fcs = struct.pack('B' * len(data_py),
*data_py) # Convierte List a String
a = self.crc16(s_to_fcs) #Calcula FCS
FCS = [a & 0xFF, (a >> 8) & 0xFF]
if FCS == rec_FCS: # paquete correcto
index = 9
del data_py[:
index] # FC(2),Sec_N(1),PanID(2),Dst_Add(2),Src_Add(2)
# Crea un PMT vacio:
send_pmt = pmt.make_u8vector(len(data_py), ord(' '))
# Copy all characters to the u8vector:
for i in range(len(data_py)):
pmt.u8vector_set(send_pmt, i, data_py[i])
# Send the message:
self.message_port_pub(pmt.intern('out'),
pmt.cons(pmt.PMT_NIL, send_pmt))
else:
pack_err = pack_err + 1.0
pack_tot = pack_tot + 1.0
PER = pack_err / pack_tot * 100.0
print ",", pack_tot, ",", pack_err, ",", PER, "%"
def deframe_NPDU(self,msg_pmt):
global pack_err
global pack_tot
global PER
# veficcación del formato PMT
if pmt.is_blob(msg_pmt):
blob = msg_pmt
#print "is blob"
elif pmt.is_pair(msg_pmt):
blob = pmt.cdr(msg_pmt)
#print "is pair"
else:
print "Formato desconocido"
return
data_len = pmt.blob_length(blob)
if(data_len < 11):
print "MAC: muy corta!"
pack_err = pack_err+1.0
return;
data_np = pmt.to_python(blob) #numpy.ndarray
data_py = data_np.tolist() #python list
#print "Paquete",data_py,data_py.__class__
#print "Dir Gateway",self.SrcAddR," Dir Nodo",data_py[7:9]
if len(set(self.SrcAddR).intersection(data_py)) < 2 : #Validación TX de la misma dirección
# Valodacion FCS y cuenta PER
rec_FCS = [data_py[-2],data_py[-1]] #FCS recibido
del data_py[-2],data_py[-1] #quita FCS
s_to_fcs = struct.pack('B'*len(data_py), *data_py) # Convierte List a String
a = self.crc16(s_to_fcs) #Calcula FCS
FCS= [a & 0xFF,(a>>8)&0xFF]
if FCS == rec_FCS: # paquete correcto
index = 9
del data_py[:index] # FC(2),Sec_N(1),PanID(2),Dst_Add(2),Src_Add(2)
# Crea un PMT vacio:
send_pmt = pmt.make_u8vector(len(data_py), ord(' '))
# Copy all characters to the u8vector:
for i in range(len(data_py)):
pmt.u8vector_set(send_pmt, i, data_py[i])
# Send the message:
self.message_port_pub(pmt.intern('out'), pmt.cons(pmt.PMT_NIL, send_pmt))
else:
pack_err = pack_err+1.0
pack_tot = pack_tot +1.0
PER =pack_err/pack_tot*100.0
print ",",pack_tot,",",pack_err,",",PER,"%"
