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# Copyright 2022-2024 ETSI OSG/SDG TeraFlowSDN (TFS) (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 grpc, logging
from typing import Iterator
from common.method_wrappers.Decorator import MetricsPool, safe_and_metered_rpc_method
from common.method_wrappers.ServiceExceptions import AlreadyExistsException
from common.proto.context_pb2 import Empty, QoSProfileId, QoSProfile
from common.proto.qos_profile_pb2_grpc import QoSProfileServiceServicer
from context.client.ContextClient import ContextClient
LOGGER = logging.getLogger(__name__)
METRICS_POOL = MetricsPool('QoSProfile', 'RPC')
class QoSProfileServiceServicerImpl(QoSProfileServiceServicer):
def __init__(self ) -> None:
LOGGER.debug('Servicer Created')
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def CreateQoSProfile(self, request: QoSProfile, context: grpc.ServicerContext) -> QoSProfile:
context_client = ContextClient()
try:
qos_profile_get = context_client.GetQoSProfile(request.qos_profile_id)
except grpc.RpcError:
qos_profile_get = None
if qos_profile_get:
raise AlreadyExistsException('QoSProfile', request.qos_profile_id)
qos_profile = context_client.CreateQoSProfile(request)
return qos_profile
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def UpdateQoSProfile(self, request: QoSProfile, context: grpc.ServicerContext) -> QoSProfile:
context_client = ContextClient()
try:
_ = context_client.GetQoSProfile(request.qos_profile_id)
except grpc.RpcError as exc:
raise exc
qos_profile = context_client.UpdateQoSProfile(request)
return qos_profile
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def DeleteQoSProfile(self, request: QoSProfileId, context: grpc.ServicerContext) -> Empty:
context_client = ContextClient()
try:
_ = context_client.GetQoSProfile(request)
except grpc.RpcError as exc:
raise exc
empty = context_client.DeleteQoSProfile(request)
return empty
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def GetQoSProfile(self, request: QoSProfileId, context: grpc.ServicerContext) -> QoSProfile:
context_client = ContextClient()
try:
qos_profile = context_client.GetQoSProfile(request)
except grpc.RpcError as exc:
raise exc
return qos_profile
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def GetQoSProfiles(self, request: Empty, context: grpc.ServicerContext) -> Iterator[QoSProfile]:
context_client = ContextClient()
yield from context_client.GetQoSProfiles(request)