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Alberto Gonzalez Barneo
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import grpc, logging, sqlalchemy
from typing import Iterator, Optional
from common.message_broker.MessageBroker import MessageBroker
import grpc, json, logging #, deepdiff
from common.proto.context_pb2 import (
Empty, Service, ServiceId, ServiceStatusEnum, ServiceTypeEnum, ContextId)
from common.proto.app_pb2 import (App, AppId, AppList, QKDAppTypesEnum)
from common.proto.app_pb2_grpc import AppServiceServicer
from common.method_wrappers.Decorator import MetricsPool, safe_and_metered_rpc_method
from common.tools.context_queries.InterDomain import is_inter_domain #, is_multi_domain
from common.tools.grpc.ConfigRules import copy_config_rules
from common.tools.grpc.Constraints import copy_constraints
from common.tools.grpc.EndPointIds import copy_endpoint_ids
from common.tools.grpc.ServiceIds import update_service_ids
#from common.tools.grpc.Tools import grpc_message_to_json_string
from context.client.ContextClient import ContextClient
from app.client.AppClient import AppClient
from .database.App import app_set, app_list_objs, app_get, app_get_by_server
from common.method_wrappers.ServiceExceptions import NotFoundException
LOGGER = logging.getLogger(__name__)
METRICS_POOL = MetricsPool('App', 'RPC')
# Optare: This file must be edited based on app's logic
class AppServiceServicerImpl(AppServiceServicer):
def __init__(self, db_engine : sqlalchemy.engine.Engine, messagebroker : MessageBroker):
LOGGER.debug('Creating Servicer...')
self.db_engine = db_engine
self.messagebroker = messagebroker
LOGGER.debug('Servicer Created')
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def RegisterApp(self, request : App, context : grpc.ServicerContext) -> Empty:
# Optare: This is the main function required for the project.
# Optare: If it's an internal it will save it directly. If it's an external one it will save it as pending by not providing the remote until the other party requests it too
# Optare: Ideally, the only thing needed to change is the code inside the try block. Currently it just searches by a pending app with the same server_id but you can put more restrictions or different search and raise the NotFoundException
if request.app_type == QKDAppTypesEnum.QKDAPPTYPES_INTERNAL:
app_set(self.db_engine, self.messagebroker, request)
else:
try:
app = app_get_by_server(self.db_engine, request.server_app_id)
except NotFoundException:
app = request
app_set(self.db_engine, self.messagebroker, app)
else:
app.remote_device_id.device_uuid.uuid = request.local_device_id.device_uuid.uuid
app_set(self.db_engine, self.messagebroker, app)
return Empty()
@safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
def ListApps(self, request: ContextId, context : grpc.ServicerContext) -> AppList:
return app_list_objs(self.db_engine)