packages/modules/Bluetooth/system/blueberry/tests/sl4a_sl4a/lib/l2cap.py

71 lines
2.6 KiB
Python

#!/usr/bin/env python3
#
# Copyright 2022 - 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 logging
import queue
from blueberry.tests.gd.cert.truth import assertThat
class L2cap:
__l2cap_connection_timeout = 10 #seconds
__device = None
__active_client_coc = False
__active_server_coc = False
def __init__(self, device):
self.__device = device
def __wait_for_event(self, expected_event_name):
try:
event_info = self.__device.ed.pop_event(expected_event_name, self.__l2cap_connection_timeout)
logging.info(event_info)
except queue.Empty as error:
logging.error("Failed to find event: %s", expected_event_name)
return False
return True
def create_l2cap_le_coc(self, address, psm, secure):
logging.info("creating l2cap channel with secure=%r and psm %s", secure, psm)
self.__device.sl4a.bluetoothSocketConnBeginConnectThreadPsm(address, True, psm, secure)
assertThat(self.__wait_for_event("BluetoothSocketConnectSuccess")).isTrue()
self.__active_client_coc = True
# Starts listening on the l2cap server socket, returns the psm
def listen_using_l2cap_le_coc(self, secure):
logging.info("Listening for l2cap channel with secure=%r", secure)
self.__device.sl4a.bluetoothSocketConnBeginAcceptThreadPsm(self.__l2cap_connection_timeout, True, secure)
self.__active_server_coc = True
return self.__device.sl4a.bluetoothSocketConnGetPsm()
def close_l2cap_le_coc_client(self):
if self.__active_client_coc:
logging.info("Closing LE L2CAP CoC Client")
self.__device.sl4a.bluetoothSocketConnKillConnThread()
self.__active_client_coc = False
def close_l2cap_le_coc_server(self):
if self.__active_server_coc:
logging.info("Closing LE L2CAP CoC Server")
self.__device.sl4a.bluetoothSocketConnEndAcceptThread()
self.__active_server_coc = False
def close(self):
self.close_l2cap_le_coc_client()
self.close_l2cap_le_coc_server()
self.__device == None