2019-07-04 20:14:04 -04:00
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#!/usr/bin/env python
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#
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# Copyright 2019 Espressif Systems (Shanghai) PTE LTD
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# DBus-Bluez BLE library
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from __future__ import print_function
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import sys
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import time
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2019-07-24 05:27:22 -04:00
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import traceback
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2019-07-04 20:14:04 -04:00
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try:
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from future.moves.itertools import zip_longest
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import dbus
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import dbus.mainloop.glib
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from gi.repository import GLib
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except ImportError as e:
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if 'linux' not in sys.platform:
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2019-11-27 07:30:49 -05:00
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raise e
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2019-07-04 20:14:04 -04:00
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print(e)
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print("Install packages `libgirepository1.0-dev gir1.2-gtk-3.0 libcairo2-dev libdbus-1-dev libdbus-glib-1-dev` for resolving the issue")
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print("Run `pip install -r $IDF_PATH/tools/ble/requirements.txt` for resolving the issue")
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raise
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2020-10-23 21:24:59 -04:00
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from . import lib_gatt
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from . import lib_gap
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2019-07-04 20:14:04 -04:00
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srv_added_old_cnt = 0
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srv_added_new_cnt = 0
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verify_signal_check = 0
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blecent_retry_check_cnt = 0
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gatt_app_retry_check_cnt = 0
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verify_service_cnt = 0
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verify_readchars_cnt = 0
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adv_retry_check_cnt = 0
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blecent_adv_uuid = '1811'
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gatt_app_obj_check = False
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gatt_app_reg_check = False
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adv_checks_done = False
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gatt_checks_done = False
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adv_data_check = False
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adv_reg_check = False
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read_req_check = False
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write_req_check = False
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subscribe_req_check = False
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ble_hr_chrc = False
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discovery_start = False
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signal_caught = False
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test_checks_pass = False
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adv_stop = False
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services_resolved = False
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service_uuid_found = False
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adapter_on = False
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device_connected = False
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gatt_app_registered = False
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adv_registered = False
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adv_active_instance = False
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chrc_value_cnt = False
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BLUEZ_SERVICE_NAME = 'org.bluez'
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DBUS_OM_IFACE = 'org.freedesktop.DBus.ObjectManager'
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DBUS_PROP_IFACE = 'org.freedesktop.DBus.Properties'
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ADAPTER_IFACE = 'org.bluez.Adapter1'
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DEVICE_IFACE = 'org.bluez.Device1'
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GATT_MANAGER_IFACE = 'org.bluez.GattManager1'
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LE_ADVERTISING_MANAGER_IFACE = 'org.bluez.LEAdvertisingManager1'
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GATT_SERVICE_IFACE = 'org.bluez.GattService1'
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GATT_CHRC_IFACE = 'org.bluez.GattCharacteristic1'
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# Set up the main loop.
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dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
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dbus.mainloop.glib.threads_init()
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# Set up the event main loop.
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event_loop = GLib.MainLoop()
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def verify_signal_is_caught():
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global verify_signal_check
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verify_signal_check += 1
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if (not signal_caught and verify_signal_check == 15) or (signal_caught):
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if event_loop.is_running():
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event_loop.quit()
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return False # polling for checks will stop
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return True # polling will continue
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2019-07-04 20:14:04 -04:00
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def set_props_status(props):
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"""
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Set Adapter status if it is powered on or off
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"""
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global adapter_on, services_resolved, GATT_OBJ_REMOVED, gatt_app_registered, \
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adv_registered, adv_active_instance, device_connected, CHRC_VALUE, chrc_value_cnt, \
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signal_caught
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is_service_uuid = False
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# Signal caught for change in Adapter Powered property
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if 'Powered' in props:
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if props['Powered'] == 1:
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signal_caught = True
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adapter_on = True
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else:
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signal_caught = True
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adapter_on = False
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if 'ServicesResolved' in props:
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if props['ServicesResolved'] == 1:
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signal_caught = True
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services_resolved = True
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else:
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signal_caught = True
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services_resolved = False
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if 'UUIDs' in props:
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# Signal caught for add/remove GATT data having service uuid
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for uuid in props['UUIDs']:
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if blecent_adv_uuid in uuid:
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is_service_uuid = True
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if not is_service_uuid:
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# Signal caught for removing GATT data having service uuid
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# and for unregistering GATT application
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gatt_app_registered = False
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lib_gatt.GATT_APP_OBJ = False
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if 'ActiveInstances' in props:
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# Signal caught for Advertising - add/remove Instances property
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if props['ActiveInstances'] == 1:
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adv_active_instance = True
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elif props['ActiveInstances'] == 0:
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adv_active_instance = False
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adv_registered = False
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lib_gap.ADV_OBJ = False
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if 'Connected' in props:
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# Signal caught for device connect/disconnect
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if props['Connected'] == 1:
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signal_caught = True
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device_connected = True
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else:
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signal_caught = True
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device_connected = False
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if 'Value' in props:
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# Signal caught for change in chars value
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if ble_hr_chrc:
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chrc_value_cnt += 1
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print(props['Value'])
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if chrc_value_cnt == 10:
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signal_caught = True
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return False
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return False
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def props_change_handler(iface, changed_props, invalidated):
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"""
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PropertiesChanged Signal handler.
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Catch and print information about PropertiesChanged signal.
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"""
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if iface == ADAPTER_IFACE:
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set_props_status(changed_props)
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if iface == LE_ADVERTISING_MANAGER_IFACE:
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set_props_status(changed_props)
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if iface == DEVICE_IFACE:
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set_props_status(changed_props)
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if iface == GATT_CHRC_IFACE:
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set_props_status(changed_props)
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class BLE_Bluez_Client:
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def __init__(self, iface, devname=None, devaddr=None):
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self.bus = None
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self.device = None
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self.devname = devname
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self.devaddr = devaddr
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self.iface = iface
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self.ble_objs = None
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self.props_iface_obj = None
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self.adapter_path = []
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self.adapter = None
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self.services = []
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self.srv_uuid = []
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self.chars = {}
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self.char_uuid = []
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try:
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self.bus = dbus.SystemBus()
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om_iface_obj = dbus.Interface(self.bus.get_object(BLUEZ_SERVICE_NAME, "/"), DBUS_OM_IFACE)
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self.ble_objs = om_iface_obj.GetManagedObjects()
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except Exception as e:
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print(e)
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def __del__(self):
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try:
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print("Test Exit")
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except Exception as e:
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print(e)
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sys.exit(1)
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def set_adapter(self):
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'''
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Discover Bluetooth Adapter
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Power On Bluetooth Adapter
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'''
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global verify_signal_check, signal_caught, adapter_on
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verify_signal_check = 0
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adapter_on = False
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try:
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print("discovering adapter...")
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for path, interfaces in self.ble_objs.items():
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adapter = interfaces.get(ADAPTER_IFACE)
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if adapter is not None:
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if path.endswith(self.iface):
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self.adapter = dbus.Interface(self.bus.get_object(BLUEZ_SERVICE_NAME, path), ADAPTER_IFACE)
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# Create Properties Interface object only after adapter is found
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self.props_iface_obj = dbus.Interface(self.bus.get_object(BLUEZ_SERVICE_NAME, path), DBUS_PROP_IFACE)
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self.adapter_path = [path, interfaces]
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# Check adapter status - power on/off
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set_props_status(interfaces[ADAPTER_IFACE])
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break
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if self.adapter is None:
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raise Exception("Bluetooth adapter not found")
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if self.props_iface_obj is None:
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raise Exception("Properties interface not found")
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print("bluetooth adapter discovered")
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# Check if adapter is already powered on
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if adapter_on:
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print("Adapter already powered on")
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return True
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# Power On Adapter
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print("powering on adapter...")
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self.props_iface_obj.connect_to_signal('PropertiesChanged', props_change_handler)
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self.props_iface_obj.Set(ADAPTER_IFACE, "Powered", dbus.Boolean(1))
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signal_caught = False
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GLib.timeout_add_seconds(5, verify_signal_is_caught)
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event_loop.run()
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if adapter_on:
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print("bluetooth adapter powered on")
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return True
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else:
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raise Exception("Failure: bluetooth adapter not powered on")
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except Exception:
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print(traceback.format_exc())
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return False
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def connect(self):
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'''
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Connect to the device discovered
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Retry 10 times to discover and connect to device
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'''
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global discovery_start, signal_caught, device_connected, verify_signal_check
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device_found = False
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device_connected = False
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try:
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self.adapter.StartDiscovery()
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print("\nStarted Discovery")
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discovery_start = True
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for retry_cnt in range(10,0,-1):
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verify_signal_check = 0
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try:
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if self.device is None:
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print("\nConnecting to device...")
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# Wait for device to be discovered
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time.sleep(5)
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device_found = self.get_device()
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if device_found:
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self.device.Connect(dbus_interface=DEVICE_IFACE)
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time.sleep(15)
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signal_caught = False
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GLib.timeout_add_seconds(5, verify_signal_is_caught)
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event_loop.run()
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if device_connected:
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print("\nConnected to device")
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return True
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else:
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raise Exception
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except Exception as e:
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print(e)
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print("\nRetries left", retry_cnt - 1)
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continue
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# Device not found
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return False
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except Exception:
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print(traceback.format_exc())
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self.device = None
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return False
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def get_device(self):
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'''
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Discover device based on device name
|
|
|
|
and device address and connect
|
|
|
|
'''
|
|
|
|
dev_path = None
|
|
|
|
|
|
|
|
om_iface_obj = dbus.Interface(self.bus.get_object(BLUEZ_SERVICE_NAME, "/"), DBUS_OM_IFACE)
|
|
|
|
self.ble_objs = om_iface_obj.GetManagedObjects()
|
|
|
|
for path, interfaces in self.ble_objs.items():
|
|
|
|
if DEVICE_IFACE not in interfaces.keys():
|
|
|
|
continue
|
|
|
|
device_addr_iface = (path.replace('_', ':')).lower()
|
|
|
|
dev_addr = self.devaddr.lower()
|
|
|
|
if dev_addr in device_addr_iface and \
|
|
|
|
interfaces[DEVICE_IFACE].get("Name") == self.devname:
|
|
|
|
dev_path = path
|
|
|
|
break
|
|
|
|
|
|
|
|
if dev_path is None:
|
2019-07-24 05:27:22 -04:00
|
|
|
raise Exception("\nBLE device not found")
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
device_props_iface_obj = dbus.Interface(self.bus.get_object(BLUEZ_SERVICE_NAME, dev_path), DBUS_PROP_IFACE)
|
|
|
|
device_props_iface_obj.connect_to_signal('PropertiesChanged', props_change_handler)
|
|
|
|
|
|
|
|
self.device = self.bus.get_object(BLUEZ_SERVICE_NAME, dev_path)
|
|
|
|
return True
|
|
|
|
|
|
|
|
def srvc_iface_added_handler(self, path, interfaces):
|
|
|
|
'''
|
|
|
|
Add services found as lib_ble_client obj
|
|
|
|
'''
|
|
|
|
if self.device and path.startswith(self.device.object_path):
|
|
|
|
if GATT_SERVICE_IFACE in interfaces.keys():
|
|
|
|
service = self.bus.get_object(BLUEZ_SERVICE_NAME, path)
|
|
|
|
uuid = service.Get(GATT_SERVICE_IFACE, 'UUID', dbus_interface=DBUS_PROP_IFACE)
|
|
|
|
if uuid not in self.srv_uuid:
|
|
|
|
self.srv_uuid.append(uuid)
|
|
|
|
if path not in self.services:
|
|
|
|
self.services.append(path)
|
|
|
|
|
2019-07-24 05:27:22 -04:00
|
|
|
def verify_service_uuid_found(self, service_uuid):
|
2019-07-04 20:14:04 -04:00
|
|
|
'''
|
|
|
|
Verify service uuid found
|
|
|
|
'''
|
2020-11-20 01:43:15 -05:00
|
|
|
global service_uuid_found
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
srv_uuid_found = [uuid for uuid in self.srv_uuid if service_uuid in uuid]
|
|
|
|
if srv_uuid_found:
|
2020-11-20 01:43:15 -05:00
|
|
|
service_uuid_found = True
|
2019-07-04 20:14:04 -04:00
|
|
|
|
2019-07-24 05:27:22 -04:00
|
|
|
def get_services(self, service_uuid=None):
|
2019-07-04 20:14:04 -04:00
|
|
|
'''
|
|
|
|
Retrieve Services found in the device connected
|
|
|
|
'''
|
2020-11-20 01:43:15 -05:00
|
|
|
global signal_caught, service_uuid_found, services_resolved, verify_signal_check
|
2019-07-24 05:27:22 -04:00
|
|
|
verify_signal_check = 0
|
2020-11-20 01:43:15 -05:00
|
|
|
service_uuid_found = False
|
|
|
|
services_resolved = False
|
|
|
|
signal_caught = False
|
2019-07-24 05:27:22 -04:00
|
|
|
|
2019-07-04 20:14:04 -04:00
|
|
|
try:
|
|
|
|
om_iface_obj = dbus.Interface(self.bus.get_object(BLUEZ_SERVICE_NAME, "/"), DBUS_OM_IFACE)
|
|
|
|
self.ble_objs = om_iface_obj.GetManagedObjects()
|
|
|
|
for path, interfaces in self.ble_objs.items():
|
|
|
|
self.srvc_iface_added_handler(path, interfaces)
|
|
|
|
# If services not found, then they may not have been added yet on dbus
|
|
|
|
if not self.services:
|
2019-07-24 05:27:22 -04:00
|
|
|
GLib.timeout_add_seconds(5, verify_signal_is_caught)
|
2019-07-04 20:14:04 -04:00
|
|
|
om_iface_obj.connect_to_signal('InterfacesAdded', self.srvc_iface_added_handler)
|
|
|
|
event_loop.run()
|
2020-11-20 01:43:15 -05:00
|
|
|
if not services_resolved:
|
2019-07-24 05:27:22 -04:00
|
|
|
raise Exception("Services not found...")
|
|
|
|
|
2019-07-04 20:14:04 -04:00
|
|
|
if service_uuid:
|
2019-07-24 05:27:22 -04:00
|
|
|
self.verify_service_uuid_found(service_uuid)
|
2020-11-20 01:43:15 -05:00
|
|
|
if not service_uuid_found:
|
2019-07-24 05:27:22 -04:00
|
|
|
raise Exception("Service with uuid: %s not found..." % service_uuid)
|
|
|
|
|
|
|
|
# Services found
|
2019-07-04 20:14:04 -04:00
|
|
|
return self.srv_uuid
|
2019-07-24 05:27:22 -04:00
|
|
|
except Exception:
|
|
|
|
print(traceback.format_exc())
|
2019-07-04 20:14:04 -04:00
|
|
|
return False
|
|
|
|
|
|
|
|
def chrc_iface_added_handler(self, path, interfaces):
|
|
|
|
'''
|
|
|
|
Add services found as lib_ble_client obj
|
|
|
|
'''
|
2020-11-20 01:43:15 -05:00
|
|
|
global chrc, chrc_discovered, signal_caught
|
2019-07-04 20:14:04 -04:00
|
|
|
chrc_val = None
|
|
|
|
|
|
|
|
if self.device and path.startswith(self.device.object_path):
|
|
|
|
if GATT_CHRC_IFACE in interfaces.keys():
|
|
|
|
chrc = self.bus.get_object(BLUEZ_SERVICE_NAME, path)
|
|
|
|
chrc_props = chrc.GetAll(GATT_CHRC_IFACE,
|
|
|
|
dbus_interface=DBUS_PROP_IFACE)
|
|
|
|
chrc_flags = chrc_props['Flags']
|
|
|
|
if 'read' in chrc_flags:
|
|
|
|
chrc_val = chrc.ReadValue({}, dbus_interface=GATT_CHRC_IFACE)
|
|
|
|
uuid = chrc_props['UUID']
|
|
|
|
self.chars[path] = chrc_val, chrc_flags, uuid
|
2020-11-20 01:43:15 -05:00
|
|
|
signal_caught = True
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
def read_chars(self):
|
|
|
|
'''
|
|
|
|
Read characteristics found in the device connected
|
|
|
|
'''
|
2020-11-20 01:43:15 -05:00
|
|
|
global iface_added, chrc_discovered, signal_caught, verify_signal_check
|
2019-07-24 05:27:22 -04:00
|
|
|
verify_signal_check = 0
|
2019-07-04 20:14:04 -04:00
|
|
|
chrc_discovered = False
|
|
|
|
iface_added = False
|
2020-11-20 01:43:15 -05:00
|
|
|
signal_caught = False
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
try:
|
|
|
|
om_iface_obj = dbus.Interface(self.bus.get_object(BLUEZ_SERVICE_NAME, "/"), DBUS_OM_IFACE)
|
|
|
|
self.ble_objs = om_iface_obj.GetManagedObjects()
|
|
|
|
for path, interfaces in self.ble_objs.items():
|
|
|
|
self.chrc_iface_added_handler(path, interfaces)
|
|
|
|
|
|
|
|
# If chars not found, then they have not been added yet to interface
|
2019-07-24 05:27:22 -04:00
|
|
|
time.sleep(15)
|
2019-07-04 20:14:04 -04:00
|
|
|
if not self.chars:
|
|
|
|
iface_added = True
|
2019-07-24 05:27:22 -04:00
|
|
|
GLib.timeout_add_seconds(5, verify_signal_is_caught)
|
2019-07-04 20:14:04 -04:00
|
|
|
om_iface_obj.connect_to_signal('InterfacesAdded', self.chars_iface_added_handler)
|
|
|
|
event_loop.run()
|
|
|
|
return self.chars
|
2019-07-24 05:27:22 -04:00
|
|
|
except Exception:
|
|
|
|
print(traceback.format_exc())
|
2019-07-04 20:14:04 -04:00
|
|
|
return False
|
|
|
|
|
|
|
|
def write_chars(self, write_val):
|
|
|
|
'''
|
|
|
|
Write characteristics to the device connected
|
|
|
|
'''
|
|
|
|
chrc = None
|
|
|
|
chrc_val = None
|
|
|
|
char_write_props = False
|
|
|
|
|
|
|
|
try:
|
|
|
|
for path, props in self.chars.items():
|
|
|
|
if 'write' in props[1]: # check permission
|
|
|
|
char_write_props = True
|
|
|
|
chrc = self.bus.get_object(BLUEZ_SERVICE_NAME, path)
|
|
|
|
chrc.WriteValue(write_val,{},dbus_interface=GATT_CHRC_IFACE)
|
|
|
|
if 'read' in props[1]:
|
|
|
|
chrc_val = chrc.ReadValue({}, dbus_interface=GATT_CHRC_IFACE)
|
|
|
|
else:
|
|
|
|
print("Warning: Cannot read value. Characteristic does not have read permission.")
|
|
|
|
if not (ord(write_val) == int(chrc_val[0])):
|
|
|
|
print("\nWrite Failed")
|
|
|
|
return False
|
|
|
|
self.chars[path] = chrc_val, props[1], props[2] # update value
|
|
|
|
if not char_write_props:
|
2019-07-24 05:27:22 -04:00
|
|
|
raise Exception("Failure: Cannot perform write operation. Characteristic does not have write permission.")
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
return self.chars
|
2019-07-24 05:27:22 -04:00
|
|
|
except Exception:
|
|
|
|
print(traceback.format_exc())
|
2019-07-04 20:14:04 -04:00
|
|
|
return False
|
|
|
|
|
|
|
|
def hr_update_simulation(self, hr_srv_uuid, hr_char_uuid):
|
|
|
|
'''
|
|
|
|
Start Notifications
|
|
|
|
Retrieve updated value
|
|
|
|
Stop Notifications
|
|
|
|
'''
|
2020-11-20 01:43:15 -05:00
|
|
|
global ble_hr_chrc, verify_signal_check, signal_caught, chrc_value_cnt
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
srv_path = None
|
|
|
|
chrc = None
|
|
|
|
uuid = None
|
|
|
|
chrc_path = None
|
|
|
|
chars_ret = None
|
|
|
|
ble_hr_chrc = True
|
2020-11-20 01:43:15 -05:00
|
|
|
chrc_value_cnt = 0
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
try:
|
|
|
|
# Get HR Measurement characteristic
|
|
|
|
services = list(zip_longest(self.srv_uuid, self.services))
|
|
|
|
for uuid, path in services:
|
|
|
|
if hr_srv_uuid in uuid:
|
|
|
|
srv_path = path
|
|
|
|
break
|
|
|
|
|
|
|
|
if srv_path is None:
|
2019-07-24 05:27:22 -04:00
|
|
|
raise Exception("Failure: HR UUID:", hr_srv_uuid, "not found")
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
chars_ret = self.read_chars()
|
|
|
|
|
|
|
|
for path, props in chars_ret.items():
|
|
|
|
if path.startswith(srv_path):
|
|
|
|
chrc = self.bus.get_object(BLUEZ_SERVICE_NAME, path)
|
|
|
|
chrc_path = path
|
|
|
|
if hr_char_uuid in props[2]: # uuid
|
|
|
|
break
|
|
|
|
if chrc is None:
|
2019-07-24 05:27:22 -04:00
|
|
|
raise Exception("Failure: Characteristics for service: ", srv_path, "not found")
|
|
|
|
|
2019-07-04 20:14:04 -04:00
|
|
|
# Subscribe to notifications
|
|
|
|
print("\nSubscribe to notifications: On")
|
|
|
|
chrc.StartNotify(dbus_interface=GATT_CHRC_IFACE)
|
|
|
|
|
|
|
|
chrc_props_iface_obj = dbus.Interface(self.bus.get_object(BLUEZ_SERVICE_NAME, chrc_path), DBUS_PROP_IFACE)
|
|
|
|
chrc_props_iface_obj.connect_to_signal('PropertiesChanged', props_change_handler)
|
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
signal_caught = False
|
2019-07-24 05:27:22 -04:00
|
|
|
verify_signal_check = 0
|
|
|
|
GLib.timeout_add_seconds(5, verify_signal_is_caught)
|
2019-07-04 20:14:04 -04:00
|
|
|
event_loop.run()
|
|
|
|
chrc.StopNotify(dbus_interface=GATT_CHRC_IFACE)
|
|
|
|
time.sleep(2)
|
|
|
|
print("\nSubscribe to notifications: Off")
|
|
|
|
|
|
|
|
ble_hr_chrc = False
|
|
|
|
return True
|
|
|
|
|
2019-07-24 05:27:22 -04:00
|
|
|
except Exception:
|
|
|
|
print(traceback.format_exc())
|
2019-07-04 20:14:04 -04:00
|
|
|
return False
|
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
def create_and_reg_gatt_app(self):
|
2019-07-04 20:14:04 -04:00
|
|
|
'''
|
|
|
|
Create GATT data
|
|
|
|
Register GATT Application
|
|
|
|
'''
|
2020-11-20 01:43:15 -05:00
|
|
|
global gatt_app_obj, gatt_manager_iface_obj, gatt_app_registered
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
gatt_app_obj = None
|
|
|
|
gatt_manager_iface_obj = None
|
2020-11-20 01:43:15 -05:00
|
|
|
gatt_app_registered = False
|
2019-07-24 05:27:22 -04:00
|
|
|
lib_gatt.GATT_APP_OBJ = False
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
try:
|
|
|
|
gatt_app_obj = lib_gatt.Application(self.bus, self.adapter_path[0])
|
|
|
|
gatt_manager_iface_obj = dbus.Interface(self.bus.get_object(BLUEZ_SERVICE_NAME,self.adapter_path[0]), GATT_MANAGER_IFACE)
|
|
|
|
|
|
|
|
gatt_manager_iface_obj.RegisterApplication(gatt_app_obj, {},
|
|
|
|
reply_handler=self.gatt_app_handler,
|
|
|
|
error_handler=self.gatt_app_error_handler)
|
|
|
|
return True
|
2019-07-24 05:27:22 -04:00
|
|
|
except Exception:
|
|
|
|
print(traceback.format_exc())
|
2019-07-04 20:14:04 -04:00
|
|
|
return False
|
|
|
|
|
|
|
|
def gatt_app_handler(self):
|
|
|
|
'''
|
|
|
|
GATT Application Register success handler
|
|
|
|
'''
|
2020-11-20 01:43:15 -05:00
|
|
|
global gatt_app_registered
|
|
|
|
gatt_app_registered = True
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
def gatt_app_error_handler(self, error):
|
|
|
|
'''
|
|
|
|
GATT Application Register error handler
|
|
|
|
'''
|
2020-11-20 01:43:15 -05:00
|
|
|
global gatt_app_registered
|
|
|
|
gatt_app_registered = False
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
def start_advertising(self, adv_host_name, adv_iface_index, adv_type, adv_uuid):
|
|
|
|
'''
|
|
|
|
Create Advertising data
|
|
|
|
Register Advertisement
|
|
|
|
Start Advertising
|
|
|
|
'''
|
2020-11-20 01:43:15 -05:00
|
|
|
global le_adv_obj, le_adv_manager_iface_obj, adv_active_instance, adv_registered
|
2019-07-24 05:27:22 -04:00
|
|
|
|
2019-07-04 20:14:04 -04:00
|
|
|
le_adv_obj = None
|
|
|
|
le_adv_manager_iface_obj = None
|
|
|
|
le_adv_iface_path = None
|
2020-11-20 01:43:15 -05:00
|
|
|
adv_active_instance = False
|
|
|
|
adv_registered = False
|
2019-07-24 05:27:22 -04:00
|
|
|
lib_gap.ADV_OBJ = False
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
try:
|
|
|
|
print("Advertising started")
|
2020-11-20 01:43:15 -05:00
|
|
|
gatt_app_ret = self.create_and_reg_gatt_app()
|
2019-07-04 20:14:04 -04:00
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
# Check if gatt app create and register command
|
|
|
|
# is sent successfully
|
|
|
|
assert gatt_app_ret
|
|
|
|
|
|
|
|
GLib.timeout_add_seconds(2, self.verify_gatt_app_reg)
|
|
|
|
event_loop.run()
|
|
|
|
|
|
|
|
# Check if Gatt Application is registered
|
|
|
|
assert gatt_app_registered
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
for path,interface in self.ble_objs.items():
|
|
|
|
if LE_ADVERTISING_MANAGER_IFACE in interface:
|
|
|
|
le_adv_iface_path = path
|
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
# Check LEAdvertisingManager1 interface is found
|
|
|
|
assert le_adv_iface_path, '\n Cannot start advertising. LEAdvertisingManager1 Interface not found'
|
|
|
|
|
|
|
|
# Get device when connected
|
|
|
|
if not self.device:
|
|
|
|
om_iface_obj = dbus.Interface(self.bus.get_object(BLUEZ_SERVICE_NAME, "/"), DBUS_OM_IFACE)
|
|
|
|
self.ble_objs = om_iface_obj.GetManagedObjects()
|
|
|
|
|
|
|
|
for path, interfaces in self.ble_objs.items():
|
|
|
|
if DEVICE_IFACE not in interfaces.keys():
|
|
|
|
continue
|
|
|
|
device_props_iface_obj = dbus.Interface(self.bus.get_object(BLUEZ_SERVICE_NAME, path), DBUS_PROP_IFACE)
|
|
|
|
device_props_iface_obj.connect_to_signal('PropertiesChanged', props_change_handler)
|
|
|
|
self.device = self.bus.get_object(BLUEZ_SERVICE_NAME, path)
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
le_adv_obj = lib_gap.Advertisement(self.bus, adv_iface_index, adv_type, adv_uuid, adv_host_name)
|
|
|
|
le_adv_manager_iface_obj = dbus.Interface(self.bus.get_object(BLUEZ_SERVICE_NAME, le_adv_iface_path), LE_ADVERTISING_MANAGER_IFACE)
|
|
|
|
|
|
|
|
le_adv_manager_iface_obj.RegisterAdvertisement(le_adv_obj.get_path(), {},
|
|
|
|
reply_handler=self.adv_handler,
|
|
|
|
error_handler=self.adv_error_handler)
|
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
GLib.timeout_add_seconds(2, self.verify_adv_reg)
|
|
|
|
event_loop.run()
|
|
|
|
|
|
|
|
# Check if advertising is registered
|
|
|
|
assert adv_registered
|
|
|
|
|
|
|
|
ret_val = self.verify_blecent_app()
|
|
|
|
|
|
|
|
# Check if blecent has passed
|
|
|
|
assert ret_val
|
|
|
|
|
|
|
|
except Exception:
|
|
|
|
print(traceback.format_exc())
|
|
|
|
return False
|
|
|
|
|
|
|
|
def verify_blecent_app(self):
|
|
|
|
'''
|
|
|
|
Verify read/write/subscribe operations
|
|
|
|
'''
|
|
|
|
try:
|
2019-07-04 20:14:04 -04:00
|
|
|
GLib.timeout_add_seconds(2, self.verify_blecent)
|
|
|
|
event_loop.run()
|
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
return test_checks_pass
|
2019-07-04 20:14:04 -04:00
|
|
|
|
2019-07-24 05:27:22 -04:00
|
|
|
except Exception:
|
|
|
|
print(traceback.format_exc())
|
2019-07-04 20:14:04 -04:00
|
|
|
return False
|
|
|
|
|
|
|
|
def adv_handler(self):
|
|
|
|
'''
|
|
|
|
Advertisement Register success handler
|
|
|
|
'''
|
2020-11-20 01:43:15 -05:00
|
|
|
global adv_registered
|
|
|
|
adv_registered = True
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
def adv_error_handler(self, error):
|
|
|
|
'''
|
|
|
|
Advertisement Register error handler
|
|
|
|
'''
|
2020-11-20 01:43:15 -05:00
|
|
|
global adv_registered
|
|
|
|
adv_registered = False
|
2019-07-04 20:14:04 -04:00
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
def verify_gatt_app_reg(self):
|
2019-07-04 20:14:04 -04:00
|
|
|
"""
|
2020-11-20 01:43:15 -05:00
|
|
|
Verify GATT Application is registered
|
2019-07-04 20:14:04 -04:00
|
|
|
"""
|
2020-11-20 01:43:15 -05:00
|
|
|
global gatt_app_retry_check_cnt, gatt_checks_done
|
|
|
|
gatt_app_retry_check_cnt = 0
|
|
|
|
gatt_checks_done = False
|
|
|
|
|
|
|
|
# Check for success
|
|
|
|
if lib_gatt.GATT_APP_OBJ:
|
|
|
|
print("GATT Data created")
|
|
|
|
if gatt_app_registered:
|
|
|
|
print("GATT Application registered")
|
|
|
|
gatt_checks_done = True
|
|
|
|
if gatt_app_retry_check_cnt == 20:
|
|
|
|
if not gatt_app_registered:
|
|
|
|
print("Failure: GATT Application could not be registered")
|
|
|
|
gatt_checks_done = True
|
2019-07-04 20:14:04 -04:00
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
# End polling if app is registered or cnt has reached 10
|
|
|
|
if gatt_checks_done:
|
|
|
|
if event_loop.is_running():
|
|
|
|
event_loop.quit()
|
|
|
|
return False # polling for checks will stop
|
2019-07-04 20:14:04 -04:00
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
gatt_app_retry_check_cnt += 1
|
|
|
|
# Default return True - polling for checks will continue
|
|
|
|
return True
|
|
|
|
|
|
|
|
def verify_adv_reg(self):
|
|
|
|
"""
|
|
|
|
Verify Advertisement is registered
|
|
|
|
"""
|
|
|
|
global adv_retry_check_cnt, adv_checks_done
|
|
|
|
adv_retry_check_cnt = 0
|
|
|
|
adv_checks_done = False
|
|
|
|
|
|
|
|
if lib_gap.ADV_OBJ:
|
|
|
|
print("Advertising data created")
|
|
|
|
if adv_registered or adv_active_instance:
|
|
|
|
print("Advertisement registered")
|
|
|
|
adv_checks_done = True
|
|
|
|
if adv_retry_check_cnt == 10:
|
|
|
|
if not adv_registered and not adv_active_instance:
|
|
|
|
print("Failure: Advertisement could not be registered")
|
|
|
|
adv_checks_done = True
|
|
|
|
|
|
|
|
# End polling if success or cnt has reached 10
|
|
|
|
if adv_checks_done:
|
|
|
|
if event_loop.is_running():
|
|
|
|
event_loop.quit()
|
|
|
|
return False # polling for checks will stop
|
|
|
|
|
|
|
|
adv_retry_check_cnt += 1
|
|
|
|
# Default return True - polling for checks will continue
|
|
|
|
return True
|
|
|
|
|
|
|
|
def verify_blecent(self):
|
|
|
|
"""
|
|
|
|
Verify blecent test commands are successful
|
|
|
|
"""
|
|
|
|
global blecent_retry_check_cnt, read_req_check, write_req_check,\
|
|
|
|
subscribe_req_check, test_checks_pass
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
# Check for failures after 10 retries
|
|
|
|
if blecent_retry_check_cnt == 10:
|
|
|
|
# check for failures
|
|
|
|
if not read_req_check:
|
|
|
|
print("Failure: Read Request not received")
|
|
|
|
if not write_req_check:
|
|
|
|
print("Failure: Write Request not received")
|
|
|
|
if not subscribe_req_check:
|
|
|
|
print("Failure: Subscribe Request not received")
|
|
|
|
|
|
|
|
# Blecent Test failed
|
2020-11-20 01:43:15 -05:00
|
|
|
test_checks_pass = False
|
2019-07-04 20:14:04 -04:00
|
|
|
if subscribe_req_check:
|
|
|
|
lib_gatt.alert_status_char_obj.StopNotify()
|
2019-07-24 05:27:22 -04:00
|
|
|
else:
|
|
|
|
# Check for success
|
|
|
|
if not read_req_check and lib_gatt.CHAR_READ:
|
|
|
|
read_req_check = True
|
|
|
|
if not write_req_check and lib_gatt.CHAR_WRITE:
|
|
|
|
write_req_check = True
|
|
|
|
if not subscribe_req_check and lib_gatt.CHAR_SUBSCRIBE:
|
|
|
|
subscribe_req_check = True
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
if read_req_check and write_req_check and subscribe_req_check:
|
|
|
|
# all checks passed
|
|
|
|
# Blecent Test passed
|
2020-11-20 01:43:15 -05:00
|
|
|
test_checks_pass = True
|
2019-07-04 20:14:04 -04:00
|
|
|
lib_gatt.alert_status_char_obj.StopNotify()
|
2019-07-24 05:27:22 -04:00
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
if (blecent_retry_check_cnt == 10 or test_checks_pass):
|
2019-07-24 05:27:22 -04:00
|
|
|
if event_loop.is_running():
|
|
|
|
event_loop.quit()
|
2019-07-04 20:14:04 -04:00
|
|
|
return False # polling for checks will stop
|
|
|
|
|
2019-07-24 05:27:22 -04:00
|
|
|
# Increment retry count
|
|
|
|
blecent_retry_check_cnt += 1
|
|
|
|
|
2019-07-04 20:14:04 -04:00
|
|
|
# Default return True - polling for checks will continue
|
|
|
|
return True
|
|
|
|
|
|
|
|
def verify_blecent_disconnect(self):
|
|
|
|
"""
|
|
|
|
Verify cleanup is successful
|
|
|
|
"""
|
|
|
|
global blecent_retry_check_cnt, gatt_app_obj_check, gatt_app_reg_check,\
|
2020-11-20 01:43:15 -05:00
|
|
|
adv_data_check, adv_reg_check, adv_stop
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
if blecent_retry_check_cnt == 0:
|
|
|
|
gatt_app_obj_check = False
|
|
|
|
gatt_app_reg_check = False
|
|
|
|
adv_data_check = False
|
|
|
|
adv_reg_check = False
|
|
|
|
|
|
|
|
# Check for failures after 10 retries
|
|
|
|
if blecent_retry_check_cnt == 10:
|
|
|
|
# check for failures
|
|
|
|
if not gatt_app_obj_check:
|
|
|
|
print("Warning: GATT Data could not be removed")
|
|
|
|
if not gatt_app_reg_check:
|
|
|
|
print("Warning: GATT Application could not be unregistered")
|
|
|
|
if not adv_data_check:
|
|
|
|
print("Warning: Advertising data could not be removed")
|
|
|
|
if not adv_reg_check:
|
|
|
|
print("Warning: Advertisement could not be unregistered")
|
|
|
|
|
|
|
|
# Blecent Test failed
|
2020-11-20 01:43:15 -05:00
|
|
|
adv_stop = False
|
2019-07-24 05:27:22 -04:00
|
|
|
else:
|
|
|
|
# Check for success
|
|
|
|
if not gatt_app_obj_check and not lib_gatt.GATT_APP_OBJ:
|
|
|
|
print("GATT Data removed")
|
|
|
|
gatt_app_obj_check = True
|
2020-11-20 01:43:15 -05:00
|
|
|
if not gatt_app_reg_check and not gatt_app_registered:
|
2019-07-24 05:27:22 -04:00
|
|
|
print("GATT Application unregistered")
|
|
|
|
gatt_app_reg_check = True
|
2020-11-20 01:43:15 -05:00
|
|
|
if not adv_data_check and not adv_reg_check and not (adv_registered or adv_active_instance or lib_gap.ADV_OBJ):
|
2019-07-24 05:27:22 -04:00
|
|
|
print("Advertising data removed")
|
|
|
|
print("Advertisement unregistered")
|
|
|
|
adv_data_check = True
|
|
|
|
adv_reg_check = True
|
|
|
|
# all checks passed
|
2020-11-20 01:43:15 -05:00
|
|
|
adv_stop = True
|
2019-07-24 05:27:22 -04:00
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
if (blecent_retry_check_cnt == 10 or adv_stop):
|
2019-07-24 05:27:22 -04:00
|
|
|
if event_loop.is_running():
|
|
|
|
event_loop.quit()
|
2019-07-04 20:14:04 -04:00
|
|
|
return False # polling for checks will stop
|
|
|
|
|
|
|
|
# Increment retry count
|
|
|
|
blecent_retry_check_cnt += 1
|
|
|
|
|
|
|
|
# Default return True - polling for checks will continue
|
|
|
|
return True
|
|
|
|
|
|
|
|
def disconnect(self):
|
|
|
|
'''
|
|
|
|
Before application exits:
|
|
|
|
Advertisement is unregistered
|
|
|
|
Advertisement object created is removed from dbus
|
|
|
|
GATT Application is unregistered
|
|
|
|
GATT Application object created is removed from dbus
|
|
|
|
Disconnect device if connected
|
|
|
|
Adapter is powered off
|
|
|
|
'''
|
|
|
|
try:
|
2020-11-20 01:43:15 -05:00
|
|
|
global blecent_retry_check_cnt, discovery_start, verify_signal_check, signal_caught
|
2019-07-04 20:14:04 -04:00
|
|
|
blecent_retry_check_cnt = 0
|
2019-07-24 05:27:22 -04:00
|
|
|
verify_signal_check = 0
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
print("\nexiting from test...")
|
|
|
|
|
2019-07-24 05:27:22 -04:00
|
|
|
self.props_iface_obj.connect_to_signal('PropertiesChanged', props_change_handler)
|
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
if adv_registered:
|
2019-07-04 20:14:04 -04:00
|
|
|
# Unregister Advertisement
|
|
|
|
le_adv_manager_iface_obj.UnregisterAdvertisement(le_adv_obj.get_path())
|
|
|
|
|
|
|
|
# Remove Advertising data
|
|
|
|
dbus.service.Object.remove_from_connection(le_adv_obj)
|
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
if gatt_app_registered:
|
2019-07-04 20:14:04 -04:00
|
|
|
# Unregister GATT Application
|
|
|
|
gatt_manager_iface_obj.UnregisterApplication(gatt_app_obj.get_path())
|
|
|
|
|
|
|
|
# Remove GATT data
|
|
|
|
dbus.service.Object.remove_from_connection(gatt_app_obj)
|
|
|
|
|
2019-07-24 05:27:22 -04:00
|
|
|
GLib.timeout_add_seconds(5, self.verify_blecent_disconnect)
|
2019-07-04 20:14:04 -04:00
|
|
|
event_loop.run()
|
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
if adv_stop:
|
|
|
|
print("Stop Advertising status: ", adv_stop)
|
2019-07-04 20:14:04 -04:00
|
|
|
else:
|
2020-11-20 01:43:15 -05:00
|
|
|
print("Warning: Stop Advertising status: ", adv_stop)
|
2019-07-04 20:14:04 -04:00
|
|
|
|
|
|
|
# Disconnect device
|
|
|
|
if self.device:
|
|
|
|
print("disconnecting device...")
|
|
|
|
self.device.Disconnect(dbus_interface=DEVICE_IFACE)
|
|
|
|
if self.adapter:
|
|
|
|
self.adapter.RemoveDevice(self.device)
|
|
|
|
self.device = None
|
2020-11-20 01:43:15 -05:00
|
|
|
if discovery_start:
|
2019-07-04 20:14:04 -04:00
|
|
|
self.adapter.StopDiscovery()
|
2020-11-20 01:43:15 -05:00
|
|
|
discovery_start = False
|
2019-07-24 05:27:22 -04:00
|
|
|
time.sleep(15)
|
2019-07-04 20:14:04 -04:00
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
signal_caught = False
|
2019-07-24 05:27:22 -04:00
|
|
|
GLib.timeout_add_seconds(5, verify_signal_is_caught)
|
2019-07-04 20:14:04 -04:00
|
|
|
event_loop.run()
|
|
|
|
|
2020-11-20 01:43:15 -05:00
|
|
|
if not device_connected:
|
2019-07-04 20:14:04 -04:00
|
|
|
print("device disconnected")
|
|
|
|
else:
|
|
|
|
print("Warning: device could not be disconnected")
|
|
|
|
|
2019-07-24 05:27:22 -04:00
|
|
|
except Exception:
|
|
|
|
print(traceback.format_exc())
|
2019-07-04 20:14:04 -04:00
|
|
|
return False
|