E2Manager/handlers/rmrmsghandlers/endc_configuration_update_handler.go

   1 //
   2 // Copyright 2019 AT&T Intellectual Property
   3 // Copyright 2019 Nokia
   4 //
   5 // Licensed under the Apache License, Version 2.0 (the "License");
   6 // you may not use this file except in compliance with the License.
   7 // You may obtain a copy of the License at
   8 //
   9 //      http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16
  17 //  This source code is part of the near-RT RIC (RAN Intelligent Controller)
  18 //  platform project (RICP).
  19
  20
  21 package rmrmsghandlers
  22
  23 // #cgo CFLAGS: -I../../3rdparty/asn1codec/inc/ -I../../3rdparty/asn1codec/e2ap_engine/
  24 // #cgo LDFLAGS: -L ../../3rdparty/asn1codec/lib/ -L../../3rdparty/asn1codec/e2ap_engine/ -le2ap_codec -lasncodec
  25 // #include <asn1codec_utils.h>
  26 // #include <configuration_update_wrapper.h>
  27 import "C"
  28 import (
  29         "e2mgr/converters"
  30         "e2mgr/e2pdus"
  31         "e2mgr/logger"
  32         "e2mgr/models"
  33         "e2mgr/rmrCgo"
  34         "e2mgr/services/rmrsender"
  35         "unsafe"
  36 )
  37
  38 type EndcConfigurationUpdateHandler struct {
  39         logger *logger.Logger
  40         rmrSender *rmrsender.RmrSender
  41 }
  42
  43 func NewEndcConfigurationUpdateHandler(logger *logger.Logger, rmrSender *rmrsender.RmrSender) EndcConfigurationUpdateHandler {
  44         return EndcConfigurationUpdateHandler{
  45                 logger: logger,
  46                 rmrSender: rmrSender,
  47         }
  48 }
  49
  50 func (h EndcConfigurationUpdateHandler) Handle(request *models.NotificationRequest) {
  51
  52         var payloadSize C.ulong
  53         payloadSize = e2pdus.MaxAsn1PackedBufferSize
  54         packedBuffer := [e2pdus.MaxAsn1PackedBufferSize]C.uchar{}
  55         errorBuffer := [e2pdus.MaxAsn1PackedBufferSize]C.char{}
  56         refinedMessage, err := converters.UnpackX2apPduAndRefine(h.logger, e2pdus.MaxAsn1CodecAllocationBufferSize /*allocation buffer*/, request.Len, request.Payload, e2pdus.MaxAsn1CodecMessageBufferSize /*message buffer*/)
  57         if err != nil {
  58                 status := C.build_pack_endc_configuration_update_failure(&payloadSize, &packedBuffer[0], e2pdus.MaxAsn1PackedBufferSize, &errorBuffer[0])
  59                 if status {
  60                         payload := (*[1 << 30]byte)(unsafe.Pointer(&packedBuffer))[:payloadSize:payloadSize]
  61                         h.logger.Debugf("#endc_configuration_update_handler.Handle - Endc configuration update negative ack message payload: (%d) %02x", len(payload), payload)
  62                         msg := models.NewRmrMessage(rmrCgo.RIC_ENDC_CONF_UPDATE_FAILURE, request.RanName, payload)
  63                         _ = h.rmrSender.Send(msg)
  64                 } else {
  65                         h.logger.Errorf("#endc_configuration_update_handler.Handle - failed to build and pack Endc configuration update unsuccessful outcome message. Error: %v", errorBuffer)
  66                 }
  67                 h.logger.Errorf("#endc_configuration_update_handler.Handle - unpack failed. Error: %v", err)
  68         } else {
  69                 h.logger.Infof("#endc_configuration_update_handler.Handle - Endc configuration update initiating message received")
  70                 h.logger.Debugf("#endc_configuration_update_handler.Handle - Endc configuration update initiating message payload: %s", refinedMessage.PduPrint)
  71                 status := C.build_pack_endc_configuration_update_ack(&payloadSize, &packedBuffer[0], e2pdus.MaxAsn1PackedBufferSize, &errorBuffer[0])
  72                 if status {
  73                         payload := (*[1 << 30]byte)(unsafe.Pointer(&packedBuffer))[:payloadSize:payloadSize]
  74                         h.logger.Debugf("#endc_configuration_update_handler.Handle - Endc configuration update positive ack message payload: (%d) %02x", len(payload), payload)
  75                         msg := models.NewRmrMessage(rmrCgo.RIC_ENDC_CONF_UPDATE_ACK, request.RanName, payload)
  76                         _ = h.rmrSender.Send(msg)
  77                 } else {
  78                         h.logger.Errorf("#endc_configuration_update_handler.Handle - failed to build and pack endc configuration update successful outcome message. Error: %v", errorBuffer)
  79                 }
  80         }
  81
  82         printHandlingSetupResponseElapsedTimeInMs(h.logger, "#endc_configuration_update_handler.Handle - Summary: Elapsed time for receiving and handling endc configuration update initiating message from E2 terminator", request.StartTime)
  83 }