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# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
#
# 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 json
from typing import Dict, Optional, Tuple
from common.DeviceTypes import DeviceTypeEnum
from common.proto.context_pb2 import Device
from common.tools.grpc.Tools import grpc_message_to_json_string
DEVICE_TYPE_TO_DEEPNESS = {
DeviceTypeEnum.EMULATED_DATACENTER.value : 90,
DeviceTypeEnum.DATACENTER.value : 90,
DeviceTypeEnum.NETWORK.value : 90,
DeviceTypeEnum.TERAFLOWSDN_CONTROLLER.value : 80,
DeviceTypeEnum.EMULATED_PACKET_ROUTER.value : 70,
DeviceTypeEnum.PACKET_ROUTER.value : 70,
DeviceTypeEnum.EMULATED_PACKET_SWITCH.value : 60,
DeviceTypeEnum.PACKET_SWITCH.value : 60,
DeviceTypeEnum.EMULATED_P4_SWITCH.value : 60,
DeviceTypeEnum.P4_SWITCH.value : 60,
DeviceTypeEnum.EMULATED_MICROWAVE_RADIO_SYSTEM.value : 40,
DeviceTypeEnum.MICROWAVE_RADIO_SYSTEM.value : 40,
DeviceTypeEnum.EMULATED_XR_CONSTELLATION.value : 40,
DeviceTypeEnum.XR_CONSTELLATION.value : 40,
DeviceTypeEnum.EMULATED_OPEN_LINE_SYSTEM.value : 30,
DeviceTypeEnum.OPEN_LINE_SYSTEM.value : 30,
DeviceTypeEnum.EMULATED_PACKET_RADIO_ROUTER.value : 10,
DeviceTypeEnum.PACKET_RADIO_ROUTER.value : 10,
DeviceTypeEnum.EMULATED_OPTICAL_TRANSPONDER.value : 10,
DeviceTypeEnum.OPTICAL_TRANSPONDER.value : 10,
DeviceTypeEnum.EMULATED_OPTICAL_ROADM.value : 10,
DeviceTypeEnum.OPTICAL_ROADM.value : 10,
DeviceTypeEnum.EMULATED_OPTICAL_SPLITTER.value : 0,
}
IGNORED_DEVICE_TYPES = {DeviceTypeEnum.EMULATED_OPTICAL_SPLITTER}
device : Device
) -> Optional[str]:
for config_rule in device.device_config.config_rules:
if config_rule.WhichOneof('config_rule') != 'custom': continue
if config_rule.custom.resource_key != '_controller': continue
device_controller_id = json.loads(config_rule.custom.resource_value)
return device_controller_id['uuid']
return None
def _map_device_type(device : Device) -> DeviceTypeEnum:
device_type = DeviceTypeEnum._value2member_map_.get(device.device_type) # pylint: disable=no-member
if device_type is None:
MSG = 'Unsupported DeviceType({:s}) for Device({:s})'
raise Exception(MSG.format(str(device.device_type), grpc_message_to_json_string(device)))
return device_type
def _map_resource_to_deepness(device_type : DeviceTypeEnum) -> int:
deepness = DEVICE_TYPE_TO_DEEPNESS.get(device_type.value)
if deepness is None: raise Exception('Unsupported DeviceType({:s})'.format(str(device_type.value)))
return deepness
def get_device_type(
device : Device, device_dict : Dict[str, Tuple[Dict, Device]], device_controller_uuid : Optional[str]
if device_controller_uuid is None: return _map_device_type(device)
device_controller_tuple = device_dict.get(device_controller_uuid)
if device_controller_tuple is None: raise Exception('Device({:s}) not found'.format(str(device_controller_uuid)))
_,device = device_controller_tuple
return _map_device_type(device)
def get_resource_classification(
device : Device, device_dict : Dict[str, Tuple[Dict, Device]]
) -> Tuple[int, DeviceTypeEnum, Optional[str]]:
device_controller_uuid = get_device_controller_uuid(device)
device_type = get_device_type(device, device_dict, device_controller_uuid)
resource_deepness = _map_resource_to_deepness(device_type)
return resource_deepness, device_type, device_controller_uuid