def get_available_devices():
"""
Get total number of available devices.
:return: int: Number of available devices.
"""
global _available_devices
global _free_devices
global _busy_devices
ret_val = 0
if _available_devices is None:
with _devices_lock:
_available_devices = []
_free_devices = []
_busy_devices = []
for device_name in get_adb_devices():
# if the device is emulator
# TODO: better check?
if device_name.startswith("emulator"):
dev_handler = EmulatorHandler(device_name)
else:
# else, its a real device.
dev_handler = RealDeviceHandler(device_name)
_available_devices.append(dev_handler)
# initially all devices are free.
_free_devices.append(dev_handler)
ret_val = len(_available_devices)
return ret_val
def restart_device(self):
"""
Restart the device.
:return: True/False => Success/Failure
"""
# restart device
restart_device_args = ['adb', '-s', self.target_device_id, 'reboot']
run_command(restart_device_args)
# wait for some time.
time.sleep(DeviceHandler.REBOOT_WAIT_TIME)
if self.target_device_id not in get_adb_devices():
# if the device is no, up. wait for more time.
time.sleep(DeviceHandler.REBOOT_WAIT_TIME / 2)
if self.target_device_id not in get_adb_devices():
DDLogger.write_failure_message("Device:" + str(self.target_device_id) + " failed to Reboot.")
return False
return True