def _orchestrate_gatt_disconnection(self, bluetooth_gatt, gatt_callback):
"""Disconnect gatt connection between two devices.
Args:
bluetooth_gatt: Index of the BluetoothGatt object
gatt_callback: Index of gatt callback object.
Steps:
1. Disconnect gatt connection.
2. Close bluetooth gatt object.
Returns:
True if successful, False otherwise.
"""
self.log.info("Disconnecting from peripheral device.")
try:
disconnect_gatt_connection(self.pri_ad, bluetooth_gatt,
gatt_callback)
close_gatt_client(self.pri_ad, bluetooth_gatt)
if bluetooth_gatt in self.bluetooth_gatt_list:
self.bluetooth_gatt_list.remove(bluetooth_gatt)
except GattTestUtilsError as err:
self.log.error(err)
return False
return True
def _orchestrate_gatt_disconnection(self, bluetooth_gatt, gatt_callback):
self.log.info("Disconnecting from peripheral device.")
try:
disconnect_gatt_connection(self.cen_ad, bluetooth_gatt,
gatt_callback)
close_gatt_client(self.cen_ad, bluetooth_gatt)
if bluetooth_gatt in self.bluetooth_gatt_list:
self.bluetooth_gatt_list.remove(bluetooth_gatt)
except GattTestUtilsError as err:
self.log.error(err)
return False
return True
def ble_gatt_disconnection(client_ad, bluetooth_gatt, gatt_callback):
"""Function to disconnect GATT connection between client and server.
Args:
client_ad: the Android device performing the connection.
bluetooth_gatt: GATT object
gatt_callback:the gatt connection call back object
Returns:
ble_rssi: RSSI value of the remote BLE device
"""
logging.info("Disconnecting from peripheral device.")
try:
disconnect_gatt_connection(client_ad, bluetooth_gatt, gatt_callback)
close_gatt_client(client_ad, bluetooth_gatt)
except GattTestUtilsError as err:
logging.error(err)
return False
return True
def test_gatt_connect_opportunistic(self):
"""Test opportunistic GATT connection over LE.
Test establishing a gatt connection between a GATT server and GATT
client in opportunistic mode.
Steps:
1. Start a generic advertisement.
2. Start a generic scanner.
3. Find the advertisement and extract the mac address.
4. Stop the first scanner.
5. Create GATT connection 1 between the scanner and advertiser normally
6. Create GATT connection 2 between the scanner and advertiser using
opportunistic mode
7. Disconnect GATT connection 1
Expected Result:
Verify GATT connection 2 automatically disconnects when GATT connection
1 disconnect
Returns:
Pass if True
Fail if False
TAGS: LE, Advertising, Filtering, Scanning, GATT
Priority: 0
"""
gatt_server_cb = self.per_ad.droid.gattServerCreateGattServerCallback()
gatt_server = self.per_ad.droid.gattServerOpenGattServer(
gatt_server_cb)
self.gatt_server_list.append(gatt_server)
mac_address, adv_callback = (
get_mac_address_of_generic_advertisement(self.cen_ad, self.per_ad))
# Make GATT connection 1
try:
bluetooth_gatt_1, gatt_callback_1 = setup_gatt_connection(
self.cen_ad,
mac_address,
False,
transport=gatt_transport['auto'],
opportunistic=False)
self.bluetooth_gatt_list.append(bluetooth_gatt_1)
except GattTestUtilsError as err:
self.log.error(err)
return False
# Make GATT connection 2
try:
bluetooth_gatt_2, gatt_callback_2 = setup_gatt_connection(
self.cen_ad,
mac_address,
False,
transport=gatt_transport['auto'],
opportunistic=True)
self.bluetooth_gatt_list.append(bluetooth_gatt_2)
except GattTestUtilsError as err:
self.log.error(err)
return False
# Disconnect GATT connection 1
try:
disconnect_gatt_connection(self.cen_ad, bluetooth_gatt_1,
gatt_callback_1)
close_gatt_client(self.cen_ad, bluetooth_gatt_1)
if bluetooth_gatt_1 in self.bluetooth_gatt_list:
self.bluetooth_gatt_list.remove(bluetooth_gatt_1)
except GattTestUtilsError as err:
self.log.error(err)
return False
# Confirm that GATT connection 2 also disconnects
wait_for_gatt_disconnect_event(self.cen_ad, gatt_callback_2)
close_gatt_client(self.cen_ad, bluetooth_gatt_2)
if bluetooth_gatt_2 in self.bluetooth_gatt_list:
self.bluetooth_gatt_list.remove(bluetooth_gatt_2)
return True
def test_gatt_connect_autoconnect(self):
"""Test GATT connection over LE.
Test re-establishing a gatt connection using autoconnect
set to True in order to test connection whitelist.
Steps:
1. Start a generic advertisement.
2. Start a generic scanner.
3. Find the advertisement and extract the mac address.
4. Stop the first scanner.
5. Create a GATT connection between the scanner and advertiser.
6. Disconnect the GATT connection.
7. Create a GATT connection with autoconnect set to True
8. Disconnect the GATT connection.
Expected Result:
Verify that a connection was re-established and then disconnected
successfully.
Returns:
Pass if True
Fail if False
TAGS: LE, Advertising, Filtering, Scanning, GATT
Priority: 0
"""
gatt_server_cb = self.per_ad.droid.gattServerCreateGattServerCallback()
gatt_server = self.per_ad.droid.gattServerOpenGattServer(
gatt_server_cb)
self.gatt_server_list.append(gatt_server)
autoconnect = False
mac_address, adv_callback = (
get_mac_address_of_generic_advertisement(self.cen_ad, self.per_ad))
try:
bluetooth_gatt, gatt_callback = setup_gatt_connection(
self.cen_ad, mac_address, autoconnect)
self.bluetooth_gatt_list.append(bluetooth_gatt)
except GattTestUtilsError as err:
self.log.error(err)
return False
try:
disconnect_gatt_connection(self.cen_ad, bluetooth_gatt,
gatt_callback)
close_gatt_client(self.cen_ad, bluetooth_gatt)
if bluetooth_gatt in self.bluetooth_gatt_list:
self.bluetooth_gatt_list.remove(bluetooth_gatt)
except GattTestUtilsError as err:
self.log.error(err)
return False
autoconnect = True
bluetooth_gatt = self.cen_ad.droid.gattClientConnectGatt(
gatt_callback, mac_address, autoconnect, gatt_transport['auto'],
False, gatt_phy_mask['1m_mask'])
self.bluetooth_gatt_list.append(bluetooth_gatt)
expected_event = gatt_cb_strings['gatt_conn_change'].format(
gatt_callback)
try:
event = self.cen_ad.ed.pop_event(expected_event,
self.default_timeout)
except Empty:
self.log.error(gatt_cb_err['gatt_conn_change_err'].format(
expected_event))
test_result = False
return self._orchestrate_gatt_disconnection(bluetooth_gatt,
gatt_callback)