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Commit be4671b2 authored by Zach Johnson's avatar Zach Johnson
Browse files

Begin PyL2cap, to make interfacing with l2cap facade easier 

Test: cert/run --host --test_filter=L2capTest
Change-Id: Ib614e1fa3cbca96607b6a1715243479b37a31b89
parent ba65d9aa

system/gd/cert/py_l2cap.py

0 → 100644
+33 −0
Original line number Diff line number Diff line 
#!/usr/bin/env python3

#

#   Copyright 2020 - The Android Open Source Project

#

#   Licensed under the Apache License, Version 2.0 (the "License");

#   you may not use this file except in compliance with the License.

#   You may obtain a copy of the License at

#

#       http://www.apache.org/licenses/LICENSE-2.0

#

#   Unless required by applicable law or agreed to in writing, software

#   distributed under the License is distributed on an "AS IS" BASIS,

#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

#   See the License for the specific language governing permissions and

#   limitations under the License.



from l2cap.classic import facade_pb2 as l2cap_facade_pb2

from bluetooth_packets_python3 import l2cap_packets





class PyL2cap(object):



    def __init__(self, device):

        self.device = device



    def open_channel(self,

                     psm=0x33,

                     mode=l2cap_facade_pb2.RetransmissionFlowControlMode.BASIC):



        # todo, I don't understand what SetDynamicChannel means?

        self.device.l2cap.SetDynamicChannel(

            l2cap_facade_pb2.SetEnableDynamicChannelRequest(

                psm=psm, retransmission_mode=mode))

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

+8 −7
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ from mobly import asserts 


from cert.gd_base_test_facade_only import GdFacadeOnlyBaseTestClass

from cert.event_stream import EventStream

from cert.py_l2cap import PyL2cap

from facade import common_pb2

from facade import rootservice_pb2 as facade_rootservice

from google.protobuf import empty_pb2 as empty_proto
@@ -67,6 +68,8 @@ class L2capTest(GdFacadeOnlyBaseTestClass): 
        self.ertm_tx_window_size = 10

        self.ertm_max_transmit = 20



        self.dut_l2cap = PyL2cap(self.dut)



    def _on_connection_request_default(self, l2cap_control_view):

        connection_request_view = l2cap_packets.ConnectionRequestView(

            l2cap_control_view)
@@ -491,13 +494,11 @@ class L2capTest(GdFacadeOnlyBaseTestClass): 
            psm=0x33,

            mode=l2cap_facade_pb2.RetransmissionFlowControlMode.BASIC):



        self.dut.l2cap.SetDynamicChannel(

            l2cap_facade_pb2.SetEnableDynamicChannelRequest(

                psm=psm, retransmission_mode=mode))

        open_channel = l2cap_packets.ConnectionRequestBuilder(

            signal_id, psm, scid)

        open_channel_l2cap = l2cap_packets.BasicFrameBuilder(1, open_channel)

        self.cert_send_b_frame(open_channel_l2cap)

        self.dut_l2cap.open_channel(psm, mode)



        open_channel = l2cap_packets.BasicFrameBuilder(

            1, l2cap_packets.ConnectionRequestBuilder(signal_id, psm, scid))

        self.cert_send_b_frame(open_channel)



        def verify_connection_response(packet):

            packet_bytes = packet.payload