def main():
""" Top-level main for sniffer host-side tool. """
(options, remaining_args) = parse_args()
if options.debug:
CONFIG.debug_set_level(options.debug)
# Set default stream to pipe
stream_type = 'p'
stream_descriptor = "../../examples/apps/ncp/ot-ncp-ftd "+options.nodeid
if options.uart:
stream_type = 'u'
stream_descriptor = options.uart
elif options.socket:
stream_type = 's'
stream_descriptor = options.socket
elif options.pipe:
stream_type = 'p'
stream_descriptor = options.pipe
if options.nodeid:
stream_descriptor += " "+str(options.nodeid)
else:
if len(remaining_args) > 0:
stream_descriptor = " ".join(remaining_args)
stream = StreamOpen(stream_type, stream_descriptor, False)
if stream is None: exit()
wpan_api = WpanApi(stream, options.nodeid)
sniffer_init(wpan_api, options)
pcap = PcapCodec()
hdr = pcap.encode_header()
if options.hex:
hdr = util.hexify_str(hdr)+"\n"
sys.stdout.write(hdr)
sys.stdout.flush()
try:
tid = SPINEL.HEADER_ASYNC
prop_id = SPINEL.PROP_STREAM_RAW
while True:
result = wpan_api.queue_wait_for_prop(prop_id, tid)
if result and result.prop == prop_id:
length = wpan_api.parse_S(result.value)
pkt = result.value[2:2+length]
if options.ti_crc:
pkt = ti_crc(pkt)
pkt = pcap.encode_frame(pkt)
if options.hex:
pkt = util.hexify_str(pkt)+"\n"
sys.stdout.write(pkt)
sys.stdout.flush()
except KeyboardInterrupt:
pass
if wpan_api:
wpan_api.stream.close()
def main():
""" Top-level main for sniffer host-side tool. """
(options, remaining_args) = parse_args()
if options.debug:
CONFIG.debug_set_level(options.debug)
# Set default stream to pipe
stream_type = 'p'
stream_descriptor = "../../examples/apps/ncp/ot-ncp-ftd "+options.nodeid
if options.uart:
stream_type = 'u'
stream_descriptor = options.uart
elif options.socket:
stream_type = 's'
stream_descriptor = options.socket
elif options.pipe:
stream_type = 'p'
stream_descriptor = options.pipe
if options.nodeid:
stream_descriptor += " "+str(options.nodeid)
else:
if len(remaining_args) > 0:
stream_descriptor = " ".join(remaining_args)
stream = StreamOpen(stream_type, stream_descriptor, False)
if stream is None: exit()
wpan_api = WpanApi(stream, options.nodeid)
sniffer_init(wpan_api, options)
pcap = PcapCodec()
hdr = pcap.encode_header()
if options.hex:
hdr = util.hexify_str(hdr)+"\n"
sys.stdout.write(hdr)
sys.stdout.flush()
try:
tid = SPINEL.HEADER_ASYNC
prop_id = SPINEL.PROP_STREAM_RAW
while True:
result = wpan_api.queue_wait_for_prop(prop_id, tid)
if result and result.prop == prop_id:
length = wpan_api.parse_S(result.value)
pkt = result.value[2:2+length]
pkt = pcap.encode_frame(pkt)
if options.hex:
pkt = util.hexify_str(pkt)+"\n"
sys.stdout.write(pkt)
sys.stdout.flush()
except KeyboardInterrupt:
pass
if wpan_api:
wpan_api.stream.close()
def main():
""" Top-level main for sniffer host-side tool. """
(options, remaining_args) = parse_args()
if options.debug:
CONFIG.debug_set_level(options.debug)
# Set default stream to pipe
stream_type = 'p'
stream_descriptor = "../../examples/apps/ncp/ot-ncp-ftd " + options.nodeid
if options.uart:
stream_type = 'u'
stream_descriptor = options.uart
elif options.socket:
stream_type = 's'
stream_descriptor = options.socket
elif options.pipe:
stream_type = 'p'
stream_descriptor = options.pipe
if options.nodeid:
stream_descriptor += " " + str(options.nodeid)
else:
if len(remaining_args) > 0:
stream_descriptor = " ".join(remaining_args)
stream = StreamOpen(stream_type, stream_descriptor, False,
options.baudrate)
if stream is None: exit()
wpan_api = WpanApi(stream, options.nodeid)
result = sniffer_init(wpan_api, options)
if not result:
sys.stderr.write("ERROR: failed to initialize sniffer\n")
exit()
else:
sys.stderr.write("SUCCESS: sniffer initialized\nSniffing...\n")
pcap = PcapCodec()
hdr = pcap.encode_header()
if options.hex:
hdr = util.hexify_str(hdr) + "\n"
sys.stdout.write(hdr)
sys.stdout.flush()
epoch = datetime(1970, 1, 1)
timebase = datetime.utcnow() - epoch
timebase_sec = timebase.days * 24 * 60 * 60 + timebase.seconds
timebase_usec = timebase.microseconds
try:
tid = SPINEL.HEADER_ASYNC
prop_id = SPINEL.PROP_STREAM_RAW
while True:
result = wpan_api.queue_wait_for_prop(prop_id, tid)
if result and result.prop == prop_id:
length = wpan_api.parse_S(result.value)
pkt = result.value[2:2 + length]
if options.crc:
pkt = crc(pkt)
# metadata format (totally 17 bytes):
# 0. RSSI(int8)
# 1. Noise Floor(int8)
# 2. Flags(uint16)
# 3. PHY-specific data struct contains:
# 3.0 Channel(uint8)
# 3.1 LQI(uint8)
# 3.2 Timestamp Msec(uint32)
# 3.3 Timestamp Usec(uint16)
# 4. Vendor data struct contains:
# 4.0 Receive error(uint8)
if len(result.value) == 2 + length + 17:
metadata = wpan_api.parse_fields(
result.value[2 + length:2 + length + 17],
"ccSt(CCLS)t(i)")
timestamp_usec = timebase_usec + metadata[3][
2] * 1000 + metadata[3][3]
timestamp_sec = timebase_sec + timestamp_usec / 1000000
timestamp_usec = timestamp_usec % 1000000
if options.rssi:
pkt = pkt[:-2] + chr(metadata[0] & 0xff) + chr(0x80)
# Some old version NCP doesn't contain timestamp information in metadata
else:
timestamp = datetime.utcnow() - epoch
timestamp_sec = timestamp.days * 24 * 60 * 60 + timestamp.seconds
timestamp_usec = timestamp.microseconds
if options.rssi:
pkt = pkt[:-2] + chr(127) + chr(0x80)
sys.stderr.write(
"WARNING: failed to display RSSI, please update the NCP version\n"
)
pkt = pcap.encode_frame(pkt, timestamp_sec, timestamp_usec)
if options.hex:
pkt = util.hexify_str(pkt) + "\n"
sys.stdout.write(pkt)
sys.stdout.flush()
except KeyboardInterrupt:
pass
if wpan_api:
wpan_api.stream.close()
def main():
""" Top-level main for sniffer host-side tool. """
(options, remaining_args) = parse_args()
if options.debug:
CONFIG.debug_set_level(options.debug)
if options.use_host_timestamp:
print('WARNING: Using host timestamp, may be inaccurate',
file=sys.stderr)
# Set default stream to pipe
stream_type = 'p'
stream_descriptor = "../../examples/apps/ncp/ot-ncp-ftd " + options.nodeid
if options.uart:
stream_type = 'u'
stream_descriptor = options.uart
elif options.socket:
stream_type = 's'
stream_descriptor = options.socket
elif options.pipe:
stream_type = 'p'
stream_descriptor = options.pipe
if options.nodeid:
stream_descriptor += " " + str(options.nodeid)
else:
if len(remaining_args) > 0:
stream_descriptor = " ".join(remaining_args)
stream = StreamOpen(stream_type, stream_descriptor, False,
options.baudrate, options.rtscts)
if stream is None:
exit()
wpan_api = WpanApi(stream, options.nodeid)
result = sniffer_init(wpan_api, options)
if not result:
sys.stderr.write("ERROR: failed to initialize sniffer\n")
exit()
else:
sys.stderr.write("SUCCESS: sniffer initialized\nSniffing...\n")
pcap = PcapCodec()
hdr = pcap.encode_header(
DLT_IEEE802_15_4_TAP if options.tap else DLT_IEEE802_15_4_WITHFCS)
if options.hex:
hdr = util.hexify_str(hdr) + "\n"
if options.output:
output = open(options.output, 'wb')
elif hasattr(sys.stdout, 'buffer'):
output = sys.stdout.buffer
else:
output = sys.stdout
output.write(hdr)
output.flush()
if options.is_fifo:
threading.Thread(target=check_fifo, args=(output, )).start()
epoch = datetime(1970, 1, 1)
timebase = datetime.utcnow() - epoch
timebase_sec = timebase.days * 24 * 60 * 60 + timebase.seconds
timebase_usec = timebase.microseconds
try:
tid = SPINEL.HEADER_ASYNC
prop_id = SPINEL.PROP_STREAM_RAW
while True:
result = wpan_api.queue_wait_for_prop(prop_id, tid)
if result and result.prop == prop_id:
length = wpan_api.parse_S(result.value)
pkt = result.value[2:2 + length]
# metadata format (totally 19 bytes):
# 0. RSSI(int8)
# 1. Noise Floor(int8)
# 2. Flags(uint16)
# 3. PHY-specific data struct contains:
# 3.0 Channel(uint8)
# 3.1 LQI(uint8)
# 3.2 Timestamp in microseconds(uint64)
# 4. Vendor data struct contains:
# 4.0 Receive error(uint8)
if len(result.value) == 2 + length + 19:
metadata = wpan_api.parse_fields(
result.value[2 + length:2 + length + 19],
"ccSt(CCX)t(i)")
timestamp = metadata[3][2]
timestamp_sec = timestamp / 1000000
timestamp_usec = timestamp % 1000000
# (deprecated) metadata format (totally 17 bytes):
# 0. RSSI(int8)
# 1. Noise Floor(int8)
# 2. Flags(uint16)
# 3. PHY-specific data struct contains:
# 3.0 Channel(uint8)
# 3.1 LQI(uint8)
# 3.2 Timestamp Msec(uint32)
# 3.3 Timestamp Usec(uint16)
# 4. Vendor data struct contains:
# 4.0 Receive error(uint8)
elif len(result.value) == 2 + length + 17:
metadata = wpan_api.parse_fields(
result.value[2 + length:2 + length + 17],
"ccSt(CCLS)t(i)")
timestamp_usec = timebase_usec + metadata[3][
2] * 1000 + metadata[3][3]
timestamp_sec = timebase_sec + timestamp_usec / 1000000
timestamp_usec = timestamp_usec % 1000000
# Some old version NCP doesn't contain timestamp information in metadata
else:
timestamp = datetime.utcnow() - epoch
timestamp_sec = timestamp.days * 24 * 60 * 60 + timestamp.seconds
timestamp_usec = timestamp.microseconds
if options.rssi:
sys.stderr.write(
"WARNING: failed to display RSSI, please update the NCP version\n"
)
if options.use_host_timestamp:
timestamp = round(time.time() * 1000000)
timestamp_sec = timestamp // 1000000
timestamp_usec = timestamp % 1000000
pkt = pcap.encode_frame(pkt, int(timestamp_sec),
timestamp_usec, options.rssi,
options.crc, metadata)
if options.hex:
pkt = util.hexify_str(pkt) + "\n"
output.write(pkt)
output.flush()
except KeyboardInterrupt:
pass
if wpan_api:
wpan_api.stream.close()
output.close()