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# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
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#
# 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, queue
from typing import Optional, Set, Tuple
from common.proto.context_pb2 import DeviceId, LinkId, ServiceId, SliceId, TopologyId
from common.proto.dlt_connector_pb2 import DltDeviceId, DltLinkId, DltServiceId, DltSliceId
from common.tools.grpc.Tools import grpc_message_to_json_string
from common.tools.object_factory.Topology import json_topology_id
from context.client.ContextClient import ContextClient
from dlt.connector.client.DltConnectorClient import DltConnectorClient
def explore_entities_to_record(
slice_id : Optional[SliceId] = None, service_id : Optional[ServiceId] = None
) -> Tuple[Set[str], Set[str], Set[str]]:
context_client = ContextClient()
slices_to_record : Set[str] = set()
services_to_record : Set[str] = set()
devices_to_record : Set[str] = set()
slices_to_explore = queue.Queue()
services_to_explore = queue.Queue()
if slice_id is not None: slices_to_explore.put(slice_id)
if service_id is not None: services_to_explore.put(service_id)
while not slices_to_explore.empty():
slice_id = slices_to_explore.get()
slices_to_record.add(grpc_message_to_json_string(slice_id))
slice_ = context_client.GetSlice(slice_id)
for endpoint_id in slice_.slice_endpoint_ids:
devices_to_record.add(grpc_message_to_json_string(endpoint_id.device_id))
for subslice_id in slice_.slice_subslice_ids:
slices_to_explore.put(subslice_id)
for service_id in slice_.slice_service_ids:
services_to_explore.put(service_id)
while not services_to_explore.empty():
service_id = services_to_explore.get()
services_to_record.add(grpc_message_to_json_string(service_id))
service = context_client.GetService(service_id)
for endpoint_id in service.service_endpoint_ids:
devices_to_record.add(grpc_message_to_json_string(endpoint_id.device_id))
connections = context_client.ListConnections(service_id)
for connection in connections.connections:
for endpoint_id in connection.path_hops_endpoint_ids:
devices_to_record.add(grpc_message_to_json_string(endpoint_id.device_id))
for service_id in connection.sub_service_ids:
services_to_explore.put(service_id)
return slices_to_record, services_to_record, devices_to_record
def record_device_to_dlt(
dlt_connector_client : DltConnectorClient, domain_id : TopologyId, device_id : DeviceId, delete : bool = False
) -> None:
dlt_device_id = DltDeviceId()
dlt_device_id.topology_id.CopyFrom(domain_id) # pylint: disable=no-member
dlt_device_id.device_id.CopyFrom(device_id) # pylint: disable=no-member
dlt_device_id.delete = delete
dlt_connector_client.RecordDevice(dlt_device_id)
def record_link_to_dlt(
dlt_connector_client : DltConnectorClient, domain_id : TopologyId, link_id : LinkId, delete : bool = False
) -> None:
dlt_link_id = DltLinkId()
dlt_link_id.topology_id.CopyFrom(domain_id) # pylint: disable=no-member
dlt_link_id.link_id.CopyFrom(link_id) # pylint: disable=no-member
dlt_link_id.delete = delete
dlt_connector_client.RecordLink(dlt_link_id)
def record_service_to_dlt(
dlt_connector_client : DltConnectorClient, domain_id : TopologyId, service_id : ServiceId, delete : bool = False
) -> None:
dlt_service_id = DltServiceId()
dlt_service_id.topology_id.CopyFrom(domain_id) # pylint: disable=no-member
dlt_service_id.service_id.CopyFrom(service_id) # pylint: disable=no-member
dlt_service_id.delete = delete
dlt_connector_client.RecordService(dlt_service_id)
def record_slice_to_dlt(
dlt_connector_client : DltConnectorClient, domain_id : TopologyId, slice_id : SliceId, delete : bool = False
) -> None:
dlt_slice_id = DltSliceId()
dlt_slice_id.topology_id.CopyFrom(domain_id) # pylint: disable=no-member
dlt_slice_id.slice_id.CopyFrom(slice_id) # pylint: disable=no-member
dlt_slice_id.delete = delete
dlt_connector_client.RecordSlice(dlt_slice_id)
def record_entities(
slices_to_record : Set[str] = set(), services_to_record : Set[str] = set(), devices_to_record : Set[str] = set(),
delete : bool = False
) -> None:
dlt_connector_client = DltConnectorClient()
dlt_domain_id = TopologyId(**json_topology_id('dlt-perf-eval'))
for str_device_id in devices_to_record:
device_id = DeviceId(**(json.loads(str_device_id)))
record_device_to_dlt(dlt_connector_client, dlt_domain_id, device_id, delete=delete)
for str_service_id in services_to_record:
service_id = ServiceId(**(json.loads(str_service_id)))
record_service_to_dlt(dlt_connector_client, dlt_domain_id, service_id, delete=delete)
for str_slice_id in slices_to_record:
slice_id = SliceId(**(json.loads(str_slice_id)))
record_slice_to_dlt(dlt_connector_client, dlt_domain_id, slice_id, delete=delete)