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#
# Copyright 2021 - 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.
import time
import logging
from bluetooth_packets_python3 import hci_packets
from cert.event_stream import EventStream
from cert.gd_base_test import GdBaseTestClass
from cert.matchers import HciMatchers, IsoMatchers, L2capMatchers
from cert.metadata import metadata
from cert.py_hci import PyHci
from cert.py_l2cap import PyLeL2cap
from cert.py_le_iso import PyLeIso
from cert.py_le_iso import CisTestParameters
from cert.truth import assertThat
from datetime import timedelta
from facade import common_pb2 as common
from hci.facade import controller_facade_pb2 as controller_facade
from hci.facade import le_advertising_manager_facade_pb2 as le_advertising_facade
from hci.facade import le_initiator_address_facade_pb2 as le_initiator_address_facade
from google.protobuf import empty_pb2 as empty_proto
from neighbor.facade import facade_pb2 as neighbor_facade
from l2cap.le.cert.cert_le_l2cap import CertLeL2cap
from iso.cert.cert_le_iso import CertLeIso
import time
from bluetooth_packets_python3.hci_packets import OpCode
class LeIsoTest(GdBaseTestClass):
"""
Collection of tests that each sample results from
different (unique) combinations of io capabilities, authentication requirements, and oob data.
"""
def setup_class(self):
super().setup_class(dut_module='L2CAP', cert_module='HCI_INTERFACES')
def setup_test(self):
super().setup_test()
self.dut_l2cap = PyLeL2cap(self.dut)
self.cert_l2cap = CertLeL2cap(self.cert)
self.dut_address = common.BluetoothAddressWithType(
address=common.BluetoothAddress(address=bytes(b'D0:05:04:03:02:01')), type=common.RANDOM_DEVICE_ADDRESS)
self.cert_address = common.BluetoothAddressWithType(
address=common.BluetoothAddress(address=bytes(b'C0:11:FF:AA:33:22')), type=common.RANDOM_DEVICE_ADDRESS)
dut_privacy_policy = le_initiator_address_facade.PrivacyPolicy(
address_policy=le_initiator_address_facade.AddressPolicy.USE_STATIC_ADDRESS,
address_with_type=self.dut_address,
rotation_irk=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00',
minimum_rotation_time=0,
maximum_rotation_time=0)
self.dut_l2cap._device.hci_le_initiator_address.SetPrivacyPolicyForInitiatorAddress(dut_privacy_policy)
privacy_policy = le_initiator_address_facade.PrivacyPolicy(
address_policy=le_initiator_address_facade.AddressPolicy.USE_STATIC_ADDRESS,
address_with_type=self.cert_address,
rotation_irk=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00',
minimum_rotation_time=0,
maximum_rotation_time=0)
self.cert_l2cap._device.hci_le_initiator_address.SetPrivacyPolicyForInitiatorAddress(privacy_policy)
self.dut_iso = PyLeIso(self.dut)
self.cert_iso = CertLeIso(self.cert)
def teardown_test(self):
self.dut_iso.close()
self.cert_iso.close()
self.cert_l2cap.close()
self.dut_l2cap.close()
super().teardown_test()
#cert becomes central of connection, dut peripheral
def _setup_link_from_cert(self):
# DUT Advertises
gap_name = hci_packets.GapData()
gap_name.data_type = hci_packets.GapDataType.COMPLETE_LOCAL_NAME
gap_name.data = list(bytes(b'Im_The_DUT'))
gap_data = le_advertising_facade.GapDataMsg(data=bytes(gap_name.Serialize()))
config = le_advertising_facade.AdvertisingConfig(
advertisement=[gap_data],
interval_min=512,
interval_max=768,
advertising_type=le_advertising_facade.AdvertisingEventType.ADV_IND,
own_address_type=common.USE_RANDOM_DEVICE_ADDRESS,
channel_map=7,
filter_policy=le_advertising_facade.AdvertisingFilterPolicy.ALL_DEVICES)
request = le_advertising_facade.CreateAdvertiserRequest(config=config)
create_response = self.dut.hci_le_advertising_manager.CreateAdvertiser(request)
self.cert_l2cap.connect_le_acl(self.dut_address)
def _setup_cis_from_cert(self, cig_id, sdu_interval_m_to_s, sdu_interval_s_to_m, ft_m_to_s, ft_s_to_m, iso_interval,
peripherals_clock_accuracy, packing, framing, max_transport_latency_m_to_s,
max_transport_latency_s_to_m, cis_configs):
self.cert_iso.le_set_cig_parameters_test(cig_id, sdu_interval_m_to_s, sdu_interval_s_to_m, ft_m_to_s, ft_s_to_m,
iso_interval, peripherals_clock_accuracy, packing, framing,
max_transport_latency_m_to_s, max_transport_latency_s_to_m,
cis_configs)
cis_handles = self.cert_iso.wait_le_set_cig_parameters_complete()
cis_handle = cis_handles[0]
acl_connection_handle = self.cert_l2cap._le_acl.handle
self.cert_iso.le_cretate_cis([(cis_handle, acl_connection_handle)])
dut_cis_stream = self.dut_iso.wait_le_cis_established()
cert_cis_stream = self.cert_iso.wait_le_cis_established()
return (dut_cis_stream, cert_cis_stream)
@metadata(
pts_test_id="IAL/CIS/UNF/SLA/BV-01-C",
pts_test_name="connected isochronous stream, unframed data, peripheral role")
def test_iso_cis_unf_sla_bv_01_c(self):
"""
Verify that the IUT can send an SDU with length ≤ the Isochronous PDU length.
"""
cig_id = 0x01
sdu_interval_m_to_s = 0
sdu_interval_s_to_m = 0x186a
ft_m_to_s = 0
ft_s_to_m = 1
iso_interval = 0x0A
peripherals_clock_accuracy = 0
packing = 0
framing = 0
max_transport_latency_m_to_s = 0
max_transport_latency_s_to_m = 0
cis_configs = [
CisTestParameters(
cis_id=0x01,
nse=2,
max_sdu_m_to_s=100,
max_sdu_s_to_m=100,
max_pdu_m_to_s=100,
max_pdu_s_to_m=100,
phy_m_to_s=0x02,
phy_s_to_m=0x00,
bn_m_to_s=0,
bn_s_to_m=2,
)
]
self._setup_link_from_cert()
(dut_cis_stream, cert_cis_stream) = self._setup_cis_from_cert(
cig_id, sdu_interval_m_to_s, sdu_interval_s_to_m, ft_m_to_s, ft_s_to_m, iso_interval,
peripherals_clock_accuracy, packing, framing, max_transport_latency_m_to_s, max_transport_latency_s_to_m,
cis_configs)
dut_cis_stream.send(b'abcdefgh' * 10)
assertThat(cert_cis_stream).emits(IsoMatchers.Data(b'abcdefgh' * 10))
@metadata(
pts_test_id="IAL/CIS/UNF/SLA/BV-25-C",
pts_test_name="connected isochronous stream, unframed data, peripheral role")
def test_iso_cis_unf_sla_bv_25_c(self):
"""
Verify that the IUT can send an SDU with length ≤ the Isochronous PDU length.
"""
cig_id = 0x01
sdu_interval_m_to_s = 0x7530
sdu_interval_s_to_m = 0x7530
ft_m_to_s = 3
ft_s_to_m = 2
iso_interval = 0x18
peripherals_clock_accuracy = 0
packing = 0
framing = 0
max_transport_latency_m_to_s = 0
max_transport_latency_s_to_m = 0
cis_configs = [
CisTestParameters(
cis_id=0x01,
nse=5,
max_sdu_m_to_s=100,
max_sdu_s_to_m=100,
max_pdu_m_to_s=100,
max_pdu_s_to_m=100,
phy_m_to_s=0x02,
phy_s_to_m=0x00,
bn_m_to_s=3,
bn_s_to_m=1,
)
]
self._setup_link_from_cert()
(dut_cis_stream, cert_cis_stream) = self._setup_cis_from_cert(
cig_id, sdu_interval_m_to_s, sdu_interval_s_to_m, ft_m_to_s, ft_s_to_m, iso_interval,
peripherals_clock_accuracy, packing, framing, max_transport_latency_m_to_s, max_transport_latency_s_to_m,
cis_configs)
dut_cis_stream.send(b'abcdefgh' * 10)
assertThat(cert_cis_stream).emits(IsoMatchers.Data(b'abcdefgh' * 10))
@metadata(
pts_test_id="IAL/CIS/FRA/SLA/BV-03-C",
pts_test_name="connected isochronous stream, framed data, peripheral role")
def test_iso_cis_fra_sla_bv_03_c(self):
"""
Verify that the IUT can send an SDU with length ≤ the Isochronous PDU length.
"""
cig_id = 0x01
sdu_interval_m_to_s = 0x0000
sdu_interval_s_to_m = 0x4e30
ft_m_to_s = 0
ft_s_to_m = 2
iso_interval = 0x14
peripherals_clock_accuracy = 0
packing = 0
framing = 1
max_transport_latency_m_to_s = 0
max_transport_latency_s_to_m = 0
cis_configs = [
CisTestParameters(
cis_id=0x01,
nse=4,
max_sdu_m_to_s=100,
max_sdu_s_to_m=100,
max_pdu_m_to_s=100,
max_pdu_s_to_m=100,
phy_m_to_s=0x02,
phy_s_to_m=0x00,
bn_m_to_s=0,
bn_s_to_m=2,
)
]
self._setup_link_from_cert()
(dut_cis_stream, cert_cis_stream) = self._setup_cis_from_cert(
cig_id, sdu_interval_m_to_s, sdu_interval_s_to_m, ft_m_to_s, ft_s_to_m, iso_interval,
peripherals_clock_accuracy, packing, framing, max_transport_latency_m_to_s, max_transport_latency_s_to_m,
cis_configs)
dut_cis_stream.send(b'abcdefgh' * 10)
assertThat(cert_cis_stream).emits(IsoMatchers.Data(b'abcdefgh' * 10))
@metadata(
pts_test_id="IAL/CIS/FRA/SLA/BV-26-C",
pts_test_name="connected isochronous stream, framed data, peripheral role")
def test_iso_cis_fra_sla_bv_26_c(self):
"""
Verify that the IUT can send an SDU with length ≤ the Isochronous PDU length.
"""
cig_id = 0x01
sdu_interval_m_to_s = 0x14D5
sdu_interval_s_to_m = 0x14D5
ft_m_to_s = 1
ft_s_to_m = 1
iso_interval = 0x08
peripherals_clock_accuracy = 0
packing = 0
framing = 1
max_transport_latency_m_to_s = 0
max_transport_latency_s_to_m = 0
cis_configs = [
CisTestParameters(
cis_id=0x01,
nse=2,
max_sdu_m_to_s=100,
max_sdu_s_to_m=100,
max_pdu_m_to_s=100,
max_pdu_s_to_m=100,
phy_m_to_s=0x02,
phy_s_to_m=0x00,
bn_m_to_s=1,
bn_s_to_m=1,
)
]
self._setup_link_from_cert()
(dut_cis_stream, cert_cis_stream) = self._setup_cis_from_cert(
cig_id, sdu_interval_m_to_s, sdu_interval_s_to_m, ft_m_to_s, ft_s_to_m, iso_interval,
peripherals_clock_accuracy, packing, framing, max_transport_latency_m_to_s, max_transport_latency_s_to_m,
cis_configs)
dut_cis_stream.send(b'abcdefgh' * 10)
assertThat(cert_cis_stream).emits(IsoMatchers.Data(b'abcdefgh' * 10))
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