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# Copyright 2022-2024 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 grpc, logging
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from common.proto.context_pb2 import Empty
from pcep.service.tools.GrpcServer import GrpcServer
from common.method_wrappers.Decorator import MetricsPool, safe_and_metered_rpc_method
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from common.proto.pcep_pb2 import RequestRq, RequestRp, PceIpRq, PceIpRp, LSPdb_Request, LSPdb_Response, \
Session_Request, Session_Response, LspID, LspDescriptor
from common.proto.pcep_pb2_grpc import PcepServiceServicer
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from pcep.database.LSP_DB import LspDB
from pcep.database.LSPModel import LspModel
LOGGER = logging.getLogger(__name__)
METRICS_POOL = MetricsPool('Service', 'RPC')
class PcepServiceServicerImpl(PcepServiceServicer):
def __init__(self, pcepServer : GrpcServer) -> None:
LOGGER.debug('Creating Servicer...')
self.pcepServer=pcepServer
LOGGER.debug('Servicer Created')
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LOGGER.info("Init LSP Database service")
self.lsp_db_obj = LspDB()
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def configuratePCE(self, request : PceIpRq, context : grpc.ServicerContext) -> PceIpRp:
LOGGER.debug("(ConfiguratePCE) Create pce instance %s",request)
configurateIP=self.pcepServer.connectToJavaPcep(request.address)
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#return PceIpRp(addressRp=configurateIP)
return PceIpRp(addressRp="10.95.90.56")
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def sendRequest(self, request : RequestRq, context : grpc.ServicerContext) -> RequestRp:
LOGGER.debug("(Send Request) Send: %s",request.command)
message=self.pcepServer.requestToJavaPcep(request.command)
return RequestRp(commandRp=message)
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@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def getLSPdb(self, request: LSPdb_Request, context : grpc.ServicerContext) -> LSPdb_Response:
LOGGER.debug("GET LSPDB")
response = self.pcepServer.get_lspdb_from_java(request)
return response
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def getSessionsInfo(self, request: Session_Request, context : grpc.ServicerContext) -> Session_Response:
LOGGER.debug("GET SESSIONS INFO")
sessionresponse = self.pcepServer.get_sessions_info_java(request)
return sessionresponse
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def GetLSPDescriptor(self, request: LspID, grpc_context: grpc.ServicerContext) -> LspDescriptor:
response = LspDescriptor()
LOGGER.info(f"Received gRPC message object: {request}")
try:
# Obtener el identificador del LSP desde la solicitud
lsp_id_to_search = request.lsp_id.uuid # El LspID contiene el lsp_id que se busca
row = self.lsp_db_obj.search_db_row_by_id(LspModel, 'lsp_id', lsp_id_to_search)
if row is None:
LOGGER.info(f"No matching row found for LSP id: {lsp_id_to_search}")
return Empty() # Si no se encuentra el LSP, devolvemos un Empty
# Convertir la fila obtenida a un LspDescriptor y devolverla
response = LspModel.convert_row_to_LspDescriptor(row)
return response
except Exception as e:
LOGGER.error(f"Unable to search LSP id. Error: {e}")
raise e
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def SetKpiDescriptor(self, request: LspDescriptor, grpc_context: grpc.ServicerContext # type: ignore
) -> LspID: # type: ignore
response = LspID()
LOGGER.info("Received gRPC message object: {:}".format(request))
try:
lsp_to_insert = LspModel.convert_LspDescriptor_to_row(request)
if (self.lsp_db_obj.add_row_to_db(lsp_to_insert)):
response.lsp_id.uuid = request.lsp_id.uuid
# LOGGER.info("Added Row: {:}".format(response))
return response
except Exception as e:
LOGGER.info("Unable to create LspModel class object. {:}".format(e))
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def DeleteKpiDescriptor(self, request: LspID, grpc_context: grpc.ServicerContext # type: ignore
) -> Empty: # type: ignore
LOGGER.info("Received gRPC message object: {:}".format(request))
try:
lsp_id_to_search = request.lsp_id.uuid # El LspID contiene el lsp_id que se busca
self.lsp_db_obj.delete_db_row_by_id(LspModel, 'kpi_id', lsp_id_to_search)
except Exception as e:
LOGGER.info('Unable to search kpi id. {:}'.format(e))
finally:
return Empty()