Merge "L2cap: Update some test cases" (282c0993) · Commits · e / os / android_packages_modules_Bluetooth

system/gd/cert/matchers.py

+8 −0

Original line number	Diff line number	Diff line
		@@ -129,6 +129,10 @@ class L2capMatchers(object):
		def ConfigurationRequestWithErtm():
		return lambda packet: L2capMatchers._is_matching_configuration_request_with_ertm(packet)

		@staticmethod
		def ConfigurationRequestView(dcid):
		return lambda request_view: request_view.GetDestinationCid() == dcid

		@staticmethod
		def DisconnectionRequest(scid, dcid):
		return lambda packet: L2capMatchers._is_matching_disconnection_request(packet, scid, dcid)
		@@ -137,6 +141,10 @@ class L2capMatchers(object):
		def DisconnectionResponse(scid, dcid):
		return lambda packet: L2capMatchers._is_matching_disconnection_response(packet, scid, dcid)

		@staticmethod
		def EchoResponse():
		return lambda packet: L2capMatchers._is_control_frame_with_code(packet, CommandCode.ECHO_RESPONSE)

		@staticmethod
		def CommandReject():
		return lambda packet: L2capMatchers._is_control_frame_with_code(packet, CommandCode.COMMAND_REJECT)

system/gd/cert/py_l2cap.py

+28 −14

Original line number	Diff line number	Diff line
		@@ -27,11 +27,18 @@ from cert.matchers import L2capMatchers
		from facade import common_pb2 as common


		class PyL2capChannel(object):
		class PyL2capChannel(IEventStream):

		def __init__(self, device, psm):
		def __init__(self, device, psm, l2cap_stream):
		self._device = device
		self._psm = psm
		self._le_l2cap_stream = l2cap_stream
		self._our_le_l2cap_view = FilteringEventStream(
		self._le_l2cap_stream,
		L2capMatchers.PacketPayloadWithMatchingPsm(self._psm))

		def get_event_queue(self):
		return self._our_le_l2cap_view.get_event_queue()

		def send(self, payload):
		self._device.l2cap.SendDynamicChannelPacket(
		@@ -49,13 +56,14 @@ class _ClassicConnectionResponseFutureWrapper(object):
		create the corresponding PyL2capDynamicChannel object later
		"""

		def __init__(self, grpc_response_future, device, psm):
		def __init__(self, grpc_response_future, device, psm, l2cap_stream):
		self._grpc_response_future = grpc_response_future
		self._device = device
		self._psm = psm
		self._l2cap_stream = l2cap_stream

		def get_channel(self):
		return PyL2capChannel(self._device, self._psm)
		return PyL2capChannel(self._device, self._psm, self._l2cap_stream)


		class PyL2cap(Closable):
		@@ -63,9 +71,11 @@ class PyL2cap(Closable):
		def __init__(self, device, cert_address):
		self._device = device
		self._cert_address = cert_address
		self._l2cap_stream = EventStream(
		self._device.l2cap.FetchL2capData(empty_proto.Empty()))

		def close(self):
		pass
		safeClose(self._l2cap_stream)

		def register_dynamic_channel(
		self,
		@@ -74,7 +84,7 @@ class PyL2cap(Closable):
		self._device.l2cap.SetDynamicChannel(
		l2cap_facade_pb2.SetEnableDynamicChannelRequest(
		psm=psm, retransmission_mode=mode))
		return PyL2capChannel(self._device, psm)
		return PyL2capChannel(self._device, psm, self._l2cap_stream)

		def connect_dynamic_channel_to_cert(
		self,
		@@ -89,8 +99,8 @@ class PyL2cap(Closable):
		l2cap_facade_pb2.OpenChannelRequest(
		psm=psm, remote=self._cert_address, mode=mode))

		return _ClassicConnectionResponseFutureWrapper(response_future,
		self._device, psm)
		return _ClassicConnectionResponseFutureWrapper(
		response_future, self._device, psm, self._l2cap_stream)


		class PyLeL2capFixedChannel(IEventStream):
		@@ -148,7 +158,8 @@ class _CreditBasedConnectionResponseFutureWrapper(object):
		create the corresponding PyLeL2capDynamicChannel object later
		"""

		def __init__(self, grpc_response_future, device, cert_address, psm, le_l2cap_stream):
		def __init__(self, grpc_response_future, device, cert_address, psm,
		le_l2cap_stream):
		self._grpc_response_future = grpc_response_future
		self._device = device
		self._cert_address = cert_address
		@@ -162,8 +173,8 @@ class _CreditBasedConnectionResponseFutureWrapper(object):
		def get_channel(self):
		assertThat(self.get_status()).isEqualTo(
		l2cap_packets.LeCreditBasedConnectionResponseResult.SUCCESS)
		return PyLeL2capDynamicChannel(self._device, self._cert_address, self._psm,
		self._le_l2cap_stream)
		return PyLeL2capDynamicChannel(self._device, self._cert_address,
		self._psm, self._le_l2cap_stream)


		class PyLeL2cap(Closable):
		@@ -188,7 +199,8 @@ class PyLeL2cap(Closable):
		self._device.l2cap_le.SetDynamicChannel(
		l2cap_le_facade_pb2.SetEnableDynamicChannelRequest(
		psm=psm, enable=True))
		return PyLeL2capDynamicChannel(self._device, cert_address, psm, self._le_l2cap_stream)
		return PyLeL2capDynamicChannel(self._device, cert_address, psm,
		self._le_l2cap_stream)

		def connect_coc_to_cert(self, cert_address, psm=0x33):
		"""
		@@ -196,10 +208,12 @@ class PyLeL2cap(Closable):
		"""
		self.register_coc(cert_address, psm)
		response_future = self._device.l2cap_le.OpenDynamicChannel.future(
		l2cap_le_facade_pb2.OpenDynamicChannelRequest(psm=psm, remote=cert_address))
		l2cap_le_facade_pb2.OpenDynamicChannelRequest(
		psm=psm, remote=cert_address))

		return _CreditBasedConnectionResponseFutureWrapper(
		response_future, self._device, cert_address, psm, self._le_l2cap_stream)
		response_future, self._device, cert_address, psm,
		self._le_l2cap_stream)

		def update_connection_parameter(self,
		conn_interval_min=0x10,

system/gd/l2cap/classic/cert/cert_l2cap.py

+95 −78

Original line number	Diff line number	Diff line
		@@ -14,6 +14,8 @@
		# See the License for the specific language governing permissions and
		# limitations under the License.

		import logging

		from cert.behavior import IHasBehaviors, SingleArgumentBehavior, ReplyStage
		from cert.closable import Closable
		from cert.closable import safeClose
		@@ -34,29 +36,7 @@ from cert.matchers import L2capMatchers
		from cert.captures import L2capCaptures


		class CertL2capControlChannelBehaviors(object):

		def __init__(self, parent):
		self.on_packet_behavior = SingleArgumentBehavior(
		lambda: CertL2capControlChannelBehaviors.CertReplyStage(parent))

		def on_packet(self, matcher):
		return self.on_packet_behavior.begin(matcher)

		class CertReplyStage(ReplyStage):

		def __init__(self, parent):
		self.parent = parent

		def send_packet(self):
		self._commit(lambda packet: self._send_packet(packet))
		return self

		def _send_packet(self, packet):
		self.parent._control_channel.send(packet)


		class CertL2capChannel(IEventStream, IHasBehaviors):
		class CertL2capChannel(IEventStream):

		def __init__(self,
		device,
		@@ -72,7 +52,8 @@ class CertL2capChannel(IEventStream, IHasBehaviors):
		self._acl_stream = acl_stream
		self._acl = acl
		self._control_channel = control_channel
		self.control_behaviors = CertL2capControlChannelBehaviors(self)
		self._config_rsp_received = False
		self._config_rsp_sent = False
		if fcs == l2cap_packets.FcsType.DEFAULT:
		self._our_acl_view = FilteringEventStream(
		acl_stream, L2capMatchers.ExtractBasicFrameWithFcs(scid))
		@@ -80,12 +61,12 @@ class CertL2capChannel(IEventStream, IHasBehaviors):
		self._our_acl_view = FilteringEventStream(
		acl_stream, L2capMatchers.ExtractBasicFrame(scid))

		def get_behaviors(self):
		return self.control_behaviors

		def get_event_queue(self):
		return self._our_acl_view.get_event_queue()

		def is_configured(self):
		return self._config_rsp_received and self._config_rsp_sent

		def send(self, packet):
		frame = l2cap_packets.BasicFrameBuilder(self._dcid, packet)
		self._acl.send(frame.Serialize())
		@@ -97,7 +78,7 @@ class CertL2capChannel(IEventStream, IHasBehaviors):
		sar=SegmentationAndReassembly.UNSEGMENTED,
		payload=None,
		fcs=False):
		if fcs:
		if fcs == l2cap_packets.FcsType.DEFAULT:
		frame = l2cap_packets.EnhancedInformationFrameWithFcsBuilder(
		self._dcid, tx_seq, f, req_seq, sar, payload)
		else:
		@@ -114,16 +95,19 @@ class CertL2capChannel(IEventStream, IHasBehaviors):
		self._dcid, s, p, f, req_seq)
		self._acl.send(frame.Serialize())

		def config_request_for_me(self):
		return L2capMatchers.ConfigurationRequest(self._scid)

		def send_configure_request(self,
		options,
		sid=2,
		continuation=l2cap_packets.Continuation.END):
		assertThat(self._scid).isNotEqualTo(1)
		request = l2cap_packets.ConfigurationRequestBuilder(
		2, self._dcid, l2cap_packets.Continuation.END, options)
		sid, self._dcid, continuation, options)
		self._control_channel.send(request)

		def send_information_request(self, type):
		def _send_information_request(self, type):
		assertThat(self._scid).isEqualTo(1)
		signal_id = 3
		information_request = l2cap_packets.InformationRequestBuilder(
		@@ -131,7 +115,7 @@ class CertL2capChannel(IEventStream, IHasBehaviors):
		self.send(information_request)

		def send_extended_features_request(self):
		self.send_information_request(
		self._send_information_request(
		InformationRequestInfoType.EXTENDED_FEATURES_SUPPORTED)

		def verify_configuration_request_and_respond(
		@@ -146,9 +130,22 @@ class CertL2capChannel(IEventStream, IHasBehaviors):
		sid, self._dcid, l2cap_packets.Continuation.END, result, options)
		self._control_channel.send(config_response)

		def verify_configuration_response(self):
		def send_configuration_response(self,
		request,
		result=ConfigurationResponseResult.SUCCESS,
		options=None):
		sid = request.GetIdentifier()
		if options is None:
		options = []
		config_response = l2cap_packets.ConfigurationResponseBuilder(
		sid, self._dcid, l2cap_packets.Continuation.END, result, options)
		self._control_channel.send(config_response)
		self._config_rsp_sent = True

		def verify_configuration_response(
		self, result=ConfigurationResponseResult.SUCCESS):
		assertThat(self._control_channel).emits(
		L2capMatchers.ConfigurationResponse())
		L2capMatchers.ConfigurationResponse(result))

		def disconnect_and_verify(self):
		assertThat(self._scid).isNotEqualTo(1)
		@@ -164,7 +161,39 @@ class CertL2capChannel(IEventStream, IHasBehaviors):
		L2capMatchers.DisconnectionRequest(self._dcid, self._scid))


		class CertL2cap(Closable):
		class CertL2capControlChannelBehaviors(object):

		def __init__(self, parent):
		self.on_config_req_behavior = SingleArgumentBehavior(
		lambda: CertL2capControlChannelBehaviors.CertReplyStage(parent))

		def on_config_req(self, matcher):
		return self.on_config_req_behavior.begin(matcher)

		class CertReplyStage(ReplyStage):

		def __init__(self, parent):
		self.parent = parent

		def send_configuration_response(
		self, result=ConfigurationResponseResult.SUCCESS, options=None):
		self._commit(lambda request: self._send_configuration_response(request, result, options))
		return self

		def _send_configuration_response(
		self,
		request,
		result=ConfigurationResponseResult.SUCCESS,
		options=None):
		dcid = request.GetDestinationCid()
		if dcid not in self.parent.scid_to_channel:
		logging.warning("Received config request with unknown dcid")
		return
		self.parent.scid_to_channel[dcid].send_configuration_response(
		request, result, options)


		class CertL2cap(Closable, IHasBehaviors):

		def __init__(self, device):
		self._device = device
		@@ -188,16 +217,22 @@ class CertL2cap(Closable):
		self._on_information_response_default
		}

		self.scid_to_dcid = {}
		self.scid_to_channel = {}

		self.support_ertm = True
		self.support_fcs = True

		self._control_behaviors = CertL2capControlChannelBehaviors(self)
		self._control_behaviors.on_config_req_behavior.set_default(
		self._send_configuration_response_default)

		def close(self):
		self._acl_manager.close()
		safeClose(self._acl)

		def get_behaviors(self):
		return self._control_behaviors

		def connect_acl(self, remote_addr):
		self._acl = self._acl_manager.initiate_connection(remote_addr)
		self._acl.wait_for_connection_complete()
		@@ -234,11 +269,8 @@ class CertL2cap(Closable):

		sid = request.get().GetIdentifier()
		dcid = request.get().GetSourceCid()
		if scid is None or scid in self.scid_to_dcid:
		if scid is None or scid in self.scid_to_channel:
		scid = dcid

		self.scid_to_dcid[scid] = dcid

		channel = CertL2capChannel(self._device, scid, dcid,
		self._get_acl_stream(), self._acl,
		self.control_channel, fcs)
		@@ -266,45 +298,23 @@ class CertL2cap(Closable):
		def claim_ertm_unsupported(self):
		self.support_ertm = False

		def turn_on_ertm(self, tx_window_size=10, max_transmit=20, mps=1010):
		pass

		# more of a hack for the moment
		def reply_with_unknown_options_and_hint(self):
		self.control_table[
		CommandCode.
		CONNECTION_RESPONSE] = self._on_connection_response_configuration_request_with_unknown_options_and_hint

		def _on_connection_response_default(self, l2cap_control_view):
		pass

		def _on_connection_response_configuration_request_with_unknown_options_and_hint(
		self, l2cap_control_view):
		connection_response_view = l2cap_packets.ConnectionResponseView(
		l2cap_control_view)
		sid = connection_response_view.GetIdentifier()
		scid = connection_response_view.GetSourceCid()
		dcid = connection_response_view.GetDestinationCid()
		self.scid_to_dcid[scid] = dcid

		mtu_opt = l2cap_packets.MtuConfigurationOption()
		mtu_opt.mtu = 0x1234
		mtu_opt.is_hint = l2cap_packets.ConfigurationOptionIsHint.OPTION_IS_A_HINT

		options = [mtu_opt]
		config_request = l2cap_packets.ConfigurationRequestBuilder(
		sid + 1, dcid, l2cap_packets.Continuation.END, options)
		config_request_l2cap = l2cap_packets.BasicFrameBuilder(
		1, config_request)

		byte_array = bytearray(config_request_l2cap.Serialize())
		## Modify configuration option type to be a unknown
		byte_array[12] \|= 0x7f
		self._acl.send(bytes(byte_array))
		return True

		def _on_configuration_request_default(self, l2cap_control_view):
		pass
		request = l2cap_packets.ConfigurationRequestView(l2cap_control_view)
		dcid = request.GetDestinationCid()
		if dcid not in self.scid_to_channel:
		logging.warning("Received config request with unknown dcid")
		return
		self._control_behaviors.on_config_req_behavior.run(request)

		def _send_configuration_response_default(self, captured_request_view):
		dcid = captured_request_view.GetDestinationCid()
		if dcid not in self.scid_to_channel:
		return
		self.scid_to_channel[dcid].send_configuration_response(
		captured_request_view)

		@staticmethod
		def config_option_basic_explicit(mtu=642):
		@@ -327,7 +337,8 @@ class CertL2cap(Closable):
		max_transmit=10,
		mps=1010,
		tx_window_size=10,
		monitor_time_out=2000):
		monitor_time_out=2000,
		retransmission_time_out=1000):
		result = []
		mtu_opt = l2cap_packets.MtuConfigurationOption()
		mtu_opt.mtu = mtu
		@@ -341,7 +352,7 @@ class CertL2cap(Closable):
		rfc_opt.mode = l2cap_packets.RetransmissionAndFlowControlModeOption.ENHANCED_RETRANSMISSION
		rfc_opt.tx_window_size = tx_window_size
		rfc_opt.max_transmit = max_transmit
		rfc_opt.retransmission_time_out = 1000
		rfc_opt.retransmission_time_out = retransmission_time_out
		rfc_opt.monitor_time_out = monitor_time_out
		rfc_opt.maximum_pdu_size = mps
		result.append(rfc_opt)
		@@ -356,7 +367,14 @@ class CertL2cap(Closable):
		return CertL2cap.config_option_ertm(mps=mps)

		def _on_configuration_response_default(self, l2cap_control_view):
		pass
		response = l2cap_packets.ConfigurationResponseView(l2cap_control_view)
		scid = response.GetSourceCid()
		if scid not in self.scid_to_channel:
		logging.warning("Received config request with unknown dcid")
		return
		result = response.GetResult()
		if result == ConfigurationResponseResult.SUCCESS:
		self.scid_to_channel[scid]._config_rsp_received = True

		def _on_disconnection_request_default(self, l2cap_control_view):
		disconnection_request = l2cap_packets.DisconnectionRequestView(
		@@ -406,4 +424,3 @@ class CertL2cap(Closable):
		fn = self.control_table.get(l2cap_control_view.GetCode())
		if fn is not None:
		fn(l2cap_control_view)
		return

system/gd/l2cap/classic/cert/l2cap_test.py

+174 −157

File changed.

Preview size limit exceeded, changes collapsed.

system/gd/l2cap/classic/facade.cc

+1 −1

Original line number	Diff line number	Diff line
		@@ -194,7 +194,7 @@ class L2capClassicModuleFacadeService : public L2capClassicModuleFacade::Service
		auto packet = channel_->GetQueueUpEnd()->TryDequeue();
		std::string data = std::string(packet->begin(), packet->end());
		L2capPacket l2cap_data;
		// l2cap_data.set_channel(cid_);
		l2cap_data.set_psm(psm_);
		l2cap_data.set_payload(data);
		facade_service_->pending_l2cap_data_.OnIncomingEvent(l2cap_data);
		}