colosseum-near-rt-ric/setup/e2mgr/E2Manager/providers/httpmsghandlerprovider/incoming_request_handler_provider.go

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2021-12-08 21:17:46 +01:00
//
// Copyright 2019 AT&T Intellectual Property
// Copyright 2019 Nokia
//
// 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.
// This source code is part of the near-RT RIC (RAN Intelligent Controller)
// platform project (RICP).
package httpmsghandlerprovider
import (
"e2mgr/clients"
"e2mgr/configuration"
"e2mgr/e2managererrors"
"e2mgr/handlers/httpmsghandlers"
"e2mgr/logger"
"e2mgr/managers"
"e2mgr/services"
"e2mgr/services/rmrsender"
"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
)
type IncomingRequest string
const (
ShutdownRequest IncomingRequest = "Shutdown"
ResetRequest IncomingRequest = "Reset"
X2SetupRequest IncomingRequest = "X2SetupRequest"
EndcSetupRequest IncomingRequest = "EndcSetupRequest"
GetNodebRequest IncomingRequest = "GetNodebRequest"
GetNodebIdListRequest IncomingRequest = "GetNodebIdListRequest"
GetE2TInstancesRequest IncomingRequest = "GetE2TInstancesRequest"
UpdateGnbRequest IncomingRequest = "UpdateGnbRequest"
)
type IncomingRequestHandlerProvider struct {
requestMap map[IncomingRequest]httpmsghandlers.RequestHandler
logger *logger.Logger
}
func NewIncomingRequestHandlerProvider(logger *logger.Logger, rmrSender *rmrsender.RmrSender, config *configuration.Configuration, rNibDataService services.RNibDataService, ranSetupManager *managers.RanSetupManager, e2tInstancesManager managers.IE2TInstancesManager, e2tAssociationManager *managers.E2TAssociationManager, rmClient clients.IRoutingManagerClient) *IncomingRequestHandlerProvider {
return &IncomingRequestHandlerProvider{
requestMap: initRequestHandlerMap(logger, rmrSender, config, rNibDataService, ranSetupManager, e2tInstancesManager, e2tAssociationManager, rmClient),
logger: logger,
}
}
func initRequestHandlerMap(logger *logger.Logger, rmrSender *rmrsender.RmrSender, config *configuration.Configuration, rNibDataService services.RNibDataService, ranSetupManager *managers.RanSetupManager, e2tInstancesManager managers.IE2TInstancesManager, e2tAssociationManager *managers.E2TAssociationManager, rmClient clients.IRoutingManagerClient) map[IncomingRequest]httpmsghandlers.RequestHandler {
return map[IncomingRequest]httpmsghandlers.RequestHandler{
ShutdownRequest: httpmsghandlers.NewDeleteAllRequestHandler(logger, rmrSender, config, rNibDataService, e2tInstancesManager, rmClient),
ResetRequest: httpmsghandlers.NewX2ResetRequestHandler(logger, rmrSender, rNibDataService),
X2SetupRequest: httpmsghandlers.NewSetupRequestHandler(logger, rNibDataService, ranSetupManager, entities.E2ApplicationProtocol_X2_SETUP_REQUEST, e2tInstancesManager, e2tAssociationManager),
EndcSetupRequest: httpmsghandlers.NewSetupRequestHandler(logger, rNibDataService, ranSetupManager, entities.E2ApplicationProtocol_ENDC_X2_SETUP_REQUEST, e2tInstancesManager, e2tAssociationManager),
GetNodebRequest: httpmsghandlers.NewGetNodebRequestHandler(logger, rNibDataService),
GetNodebIdListRequest: httpmsghandlers.NewGetNodebIdListRequestHandler(logger, rNibDataService),
GetE2TInstancesRequest: httpmsghandlers.NewGetE2TInstancesRequestHandler(logger, e2tInstancesManager),
UpdateGnbRequest: httpmsghandlers.NewUpdateGnbRequestHandler(logger, rNibDataService),
}
}
func (provider IncomingRequestHandlerProvider) GetHandler(requestType IncomingRequest) (httpmsghandlers.RequestHandler, error) {
handler, ok := provider.requestMap[requestType]
if !ok {
provider.logger.Errorf("#incoming_request_handler_provider.GetHandler - Cannot find handler for request type: %s", requestType)
return nil, e2managererrors.NewInternalError()
}
return handler, nil
}