[RICPLT-2157] Restructure handlers and converters.......

[ric-plt/e2mgr.git] / E2Manager / handlers / setup_request_handler.go

diff --git a/E2Manager/handlers/setup_request_handler.go b/E2Manager/handlers/setup_request_handler.go
deleted file mode 100644 (file)
index 4c49b1d..0000000
--- a/E2Manager/handlers/setup_request_handler.go
+++ /dev/null
@@ -1,134 +0,0 @@
-//
-// 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.
-//
-
-package handlers
-
-import (
-       "e2mgr/e2pdus"
-       "e2mgr/logger"
-       "e2mgr/rNibWriter"
-       "e2mgr/rnibBuilders"
-       "fmt"
-       "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
-       "os"
-       "sync"
-       "time"
-
-       "e2mgr/models"
-       "e2mgr/rmrCgo"
-       "e2mgr/sessions"
-)
-
-const (
-       ENV_RIC_ID                       = "RIC_ID"
-       MaxAsn1CodecAllocationBufferSize = 64 * 1024
-       MaxAsn1PackedBufferSize          = 4096
-       MaxAsn1CodecMessageBufferSize    = 4096
-)
-
-
-/*The Ric Id is the combination of pLMNId and ENBId*/
-var pLMNId []byte
-var eNBId []byte
-var eNBIdBitqty uint
-var ricFlag = []byte{0xbb, 0xbc, 0xcc} /*pLMNId [3]bytes*/
-
-type SetupRequestHandler struct {
-       rnibWriterProvider func() rNibWriter.RNibWriter
-}
-
-func NewSetupRequestHandler(rnibWriterProvider func() rNibWriter.RNibWriter) *SetupRequestHandler {
-       return &SetupRequestHandler{
-               rnibWriterProvider: rnibWriterProvider,
-       }
-}
-
-func (handler SetupRequestHandler) PreHandle(logger *logger.Logger, details *models.RequestDetails) error {
-       nodebInfo, nodebIdentity := rnibBuilders.CreateInitialNodeInfo(details, entities.E2ApplicationProtocol_X2_SETUP_REQUEST)
-
-       rNibErr := handler.rnibWriterProvider().SaveNodeb(nodebIdentity, nodebInfo)
-       if rNibErr != nil {
-               logger.Errorf("#setup_request_handler.PreHandle - failed to save initial nodeb entity for ran name: %v in RNIB. Error: %s", details.RanName, rNibErr.Error())
-       } else {
-               logger.Infof("#setup_request_handler.PreHandle - initial nodeb entity for ran name: %v was saved to RNIB ", details.RanName)
-       }
-
-       return rNibErr
-}
-
-func (SetupRequestHandler) CreateMessage(logger *logger.Logger, requestDetails *models.RequestDetails, messageChannel chan *models.E2RequestMessage, e2sessions sessions.E2Sessions, startTime time.Time, wg sync.WaitGroup) {
-
-       wg.Add(1)
-
-       transactionId := requestDetails.RanName
-       e2sessions[transactionId] = sessions.E2SessionDetails{SessionStart: startTime, Request: requestDetails}
-       setupRequestMessage := models.NewE2RequestMessage(transactionId, requestDetails.RanIp, requestDetails.RanPort, requestDetails.RanName, e2pdus.PackedX2setupRequest)
-
-       logger.Debugf("#setup_request_handler.CreateMessage - PDU: %s", e2pdus.PackedX2setupRequestAsString)
-       logger.Debugf("#setup_request_handler.CreateMessage - setupRequestMessage was created successfully. setup request details(transactionId = [%s]): %+v", transactionId, setupRequestMessage)
-       messageChannel <- setupRequestMessage
-
-       wg.Done()
-}
-
-//Expected value in RIC_ID = pLMN_Identity-eNB_ID/<eNB_ID size in bits>
-//<6 hex digits>-<6 or 8 hex digits>/<18|20|21|28>
-//Each byte is represented by two hex digits, the value in the lowest byte of the eNB_ID must be assigned to the lowest bits
-//For example, to get the value of ffffeab/28  the last byte must be 0x0b, not 0xb0 (-ffffea0b/28).
-func parseRicID(ricId string) error {
-       if _, err := fmt.Sscanf(ricId, "%6x-%8x/%2d", &pLMNId, &eNBId, &eNBIdBitqty); err != nil {
-               return fmt.Errorf("unable to extract the value of %s: %s", ENV_RIC_ID, err)
-       }
-
-       if len(pLMNId) < 3 {
-               return fmt.Errorf("invalid value for %s, len(pLMNId:%v) != 3", ENV_RIC_ID, pLMNId)
-       }
-
-       if len(eNBId) < 3 {
-               return fmt.Errorf("invalid value for %s, len(eNBId:%v) != 3 or 4", ENV_RIC_ID, eNBId)
-       }
-
-       if eNBIdBitqty != e2pdus.ShortMacro_eNB_ID && eNBIdBitqty != e2pdus.Macro_eNB_ID && eNBIdBitqty != e2pdus.LongMacro_eNB_ID && eNBIdBitqty != e2pdus.Home_eNB_ID {
-               return fmt.Errorf("invalid value for %s, eNBIdBitqty: %d", ENV_RIC_ID, eNBIdBitqty)
-       }
-
-       return nil
-}
-
-//TODO: remove Get
-func (SetupRequestHandler) GetMessageType() int {
-       return rmrCgo.RIC_X2_SETUP_REQ
-}
-
-func init() {
-       var err error
-       ricId := os.Getenv(ENV_RIC_ID)
-       //ricId="bbbccc-ffff0e/20"
-       //ricId="bbbccc-abcd0e/20"
-       if err = parseRicID(ricId); err != nil {
-               panic(err)
-       }
-
-       e2pdus.PackedEndcX2setupRequest,e2pdus.PackedEndcX2setupRequestAsString, err = e2pdus.PreparePackedEndcX2SetupRequest(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize,pLMNId, eNBId, eNBIdBitqty, ricFlag )
-       if err != nil{
-               panic(err)
-       }
-       e2pdus.PackedX2setupRequest,e2pdus.PackedX2setupRequestAsString, err = e2pdus.PreparePackedX2SetupRequest(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize,pLMNId, eNBId, eNBIdBitqty, ricFlag )
-       if err != nil{
-               panic(err)
-       }
-}