def _extract_matching_event(packet_bytes, event_code):
event = hci_packets.EventView(
bt_packets.PacketViewLittleEndian(list(packet_bytes)))
if event is None:
return None
if event_code is not None and event.GetEventCode() != event_code:
return None
return event
def get_handle(packet):
packet_bytes = packet.payload
nonlocal handle
if b'\x3e\x13\x01\x00' in packet_bytes:
cc_view = hci_packets.LeConnectionCompleteView(
hci_packets.LeMetaEventView(
hci_packets.EventView(
bt_packets.PacketViewLittleEndian(
list(packet_bytes)))))
handle = cc_view.GetConnectionHandle()
return True
if b'\x3e\x13\x0A\x00' in packet_bytes:
cc_view = hci_packets.LeEnhancedConnectionCompleteView(
hci_packets.LeMetaEventView(
hci_packets.EventView(
bt_packets.PacketViewLittleEndian(
list(packet_bytes)))))
handle = cc_view.GetConnectionHandle()
return True
return False
def LeConnectionCompleteCapture():
return Capture(
lambda packet: packet.payload[0] == 0x3e and (packet.payload[2] == 0x01 or packet.payload[2] == 0x0a),
lambda packet: hci_packets.LeConnectionCompleteView(
hci_packets.LeMetaEventView(
hci_packets.EventView(bt_packets.PacketViewLittleEndian(list(packet.payload))))))
def DisconnectionCompleteCapture():
return Capture(
lambda packet: packet.payload[0:2] == b'\x05\x04', lambda packet: hci_packets.DisconnectionCompleteView(
hci_packets.EventView(bt_packets.PacketViewLittleEndian(list(packet.payload)))))
def ConnectionCompleteCapture():
return Capture(
lambda packet: packet.payload[0:3] == b'\x03\x0b\x00', lambda packet: hci_packets.ConnectionCompleteView(
hci_packets.EventView(bt_packets.PacketViewLittleEndian(list(packet.payload)))))
def ConnectionRequestCapture():
return Capture(
lambda packet: packet.payload[0:2] == b'\x04\x0a', lambda packet: hci_packets.ConnectionRequestView(
hci_packets.EventView(bt_packets.PacketViewLittleEndian(list(packet.payload)))))
def ReadBdAddrCompleteCapture():
return Capture(
lambda packet: packet.payload[0:5] == b'\x0e\x0a\x01\x09\x10', lambda packet: hci_packets.ReadBdAddrCompleteView(
hci_packets.CommandCompleteView(
hci_packets.EventView(bt_packets.PacketViewLittleEndian(list(packet.payload))))))
def LogEventCode():
return lambda event: logging.info(
"Received event: %x" % hci_packets.EventView(
bt_packets.PacketViewLittleEndian(list(event.payload))
).GetEventCode())