// See the License for the specific language governing permissions and
// limitations under the License.
//
-
package httpmsghandlers
import (
- "e2mgr/e2pdus"
+ "e2mgr/e2managererrors"
"e2mgr/logger"
+ "e2mgr/managers"
+ "e2mgr/models"
"e2mgr/rNibWriter"
"e2mgr/rnibBuilders"
- "fmt"
+ "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
- "os"
- "sync"
- "time"
-
- "e2mgr/models"
- "e2mgr/rmrCgo"
- "e2mgr/sessions"
+ "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
+ "github.com/go-ozzo/ozzo-validation"
+ "github.com/go-ozzo/ozzo-validation/is"
)
const (
- ENV_RIC_ID = "RIC_ID"
- MaxAsn1CodecAllocationBufferSize = 64 * 1024
- MaxAsn1PackedBufferSize = 4096
- MaxAsn1CodecMessageBufferSize = 4096
+ X2SetupActivityName = "X2_SETUP"
+ EndcSetupActivityName = "ENDC_SETUP"
)
-
-/*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
+ readerProvider func() reader.RNibReader
+ writerProvider func() rNibWriter.RNibWriter
+ logger *logger.Logger
+ ranSetupManager *managers.RanSetupManager
+ protocol entities.E2ApplicationProtocol
}
-func NewSetupRequestHandler(rnibWriterProvider func() rNibWriter.RNibWriter) *SetupRequestHandler {
+func NewSetupRequestHandler(logger *logger.Logger, writerProvider func() rNibWriter.RNibWriter, readerProvider func() reader.RNibReader,
+ ranSetupManager *managers.RanSetupManager, protocol entities.E2ApplicationProtocol) *SetupRequestHandler {
return &SetupRequestHandler{
- rnibWriterProvider: rnibWriterProvider,
+ logger: logger,
+ readerProvider: readerProvider,
+ writerProvider: writerProvider,
+ ranSetupManager: ranSetupManager,
+ protocol: protocol,
}
}
-func (handler SetupRequestHandler) PreHandle(logger *logger.Logger, details *models.RequestDetails) error {
- nodebInfo, nodebIdentity := rnibBuilders.CreateInitialNodeInfo(details, entities.E2ApplicationProtocol_X2_SETUP_REQUEST)
+func (handler *SetupRequestHandler) Handle(request models.Request) error {
- 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)
+ setupRequest := request.(models.SetupRequest)
+
+ err := handler.validateRequestDetails(setupRequest)
+ if err != nil {
+ return err
}
- return rNibErr
-}
+ nodebInfo, err := handler.readerProvider().GetNodeb(setupRequest.RanName)
+ if err != nil {
+ _, ok := err.(*common.ResourceNotFoundError)
+ if !ok {
+ handler.logger.Errorf("#SetupRequestHandler.Handle - failed to get nodeB entity for ran name: %v from RNIB. Error: %s",
+ setupRequest.RanName, err.Error())
+ return e2managererrors.NewRnibDbError()
+ }
+
+ result := handler.connectNewRan(&setupRequest, handler.protocol)
+ return result
+ }
-func (SetupRequestHandler) CreateMessage(logger *logger.Logger, requestDetails *models.RequestDetails, messageChannel chan *models.E2RequestMessage, e2sessions sessions.E2Sessions, startTime time.Time, wg sync.WaitGroup) {
+ result := handler.connectExistingRan(nodebInfo)
+ return result
+}
- wg.Add(1)
+func (handler *SetupRequestHandler) connectExistingRan(nodebInfo *entities.NodebInfo) error {
- transactionId := requestDetails.RanName
- e2sessions[transactionId] = sessions.E2SessionDetails{SessionStart: startTime, Request: requestDetails}
- setupRequestMessage := models.NewE2RequestMessage(transactionId, requestDetails.RanIp, requestDetails.RanPort, requestDetails.RanName, e2pdus.PackedX2setupRequest)
+ if nodebInfo.ConnectionStatus == entities.ConnectionStatus_SHUTTING_DOWN {
+ handler.logger.Errorf("#SetupRequestHandler.connectExistingRan - RAN: %s in wrong state (%s)", nodebInfo.RanName, entities.ConnectionStatus_name[int32(nodebInfo.ConnectionStatus)])
+ return e2managererrors.NewWrongStateError(handler.getActivityName(handler.protocol), entities.ConnectionStatus_name[int32(nodebInfo.ConnectionStatus)])
+ }
- 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
+ status := entities.ConnectionStatus_CONNECTING
+ if nodebInfo.ConnectionStatus == entities.ConnectionStatus_CONNECTED{
+ status = nodebInfo.ConnectionStatus
+ }
+ nodebInfo.ConnectionAttempts = 0
- wg.Done()
+ result := handler.ranSetupManager.ExecuteSetup(nodebInfo, status)
+ return result
}
-//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)
- }
+func (handler *SetupRequestHandler) connectNewRan(request *models.SetupRequest, protocol entities.E2ApplicationProtocol) error {
- if len(eNBId) < 3 {
- return fmt.Errorf("invalid value for %s, len(eNBId:%v) != 3 or 4", ENV_RIC_ID, eNBId)
- }
+ nodebInfo, nodebIdentity := rnibBuilders.CreateInitialNodeInfo(request, protocol)
- 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)
+ rNibErr := handler.writerProvider().SaveNodeb(nodebIdentity, nodebInfo)
+ if rNibErr != nil {
+ handler.logger.Errorf("#SetupRequestHandler.connectNewRan - failed to initial nodeb entity for ran name: %v in RNIB. Error: %s", request.RanName, rNibErr.Error())
+ return e2managererrors.NewRnibDbError()
}
+ handler.logger.Infof("#SetupRequestHandler.connectNewRan - initial nodeb entity for ran name: %v was saved to RNIB ", request.RanName)
- return nil
+ result := handler.ranSetupManager.ExecuteSetup(nodebInfo, entities.ConnectionStatus_CONNECTING)
+ return result
}
-//TODO: remove Get
-func (SetupRequestHandler) GetMessageType() int {
- return rmrCgo.RIC_X2_SETUP_REQ
-}
+func (handler *SetupRequestHandler) validateRequestDetails(request models.SetupRequest) error {
-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)
+ if request.RanPort == 0 {
+ handler.logger.Errorf("#SetupRequestHandler.validateRequestDetails - validation failure: port cannot be zero")
+ return e2managererrors.NewRequestValidationError()
}
-
- e2pdus.PackedEndcX2setupRequest,e2pdus.PackedEndcX2setupRequestAsString, err = e2pdus.PreparePackedEndcX2SetupRequest(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize,pLMNId, eNBId, eNBIdBitqty, ricFlag )
- if err != nil{
- panic(err)
+ err := validation.ValidateStruct(&request,
+ validation.Field(&request.RanIp, validation.Required, is.IP),
+ validation.Field(&request.RanName, validation.Required),
+ )
+
+ if err != nil {
+ handler.logger.Errorf("#SetupRequestHandler.validateRequestDetails - validation failure, error: %v", err)
+ return e2managererrors.NewRequestValidationError()
}
- e2pdus.PackedX2setupRequest,e2pdus.PackedX2setupRequestAsString, err = e2pdus.PreparePackedX2SetupRequest(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize,pLMNId, eNBId, eNBIdBitqty, ricFlag )
- if err != nil{
- panic(err)
+
+ return nil
+}
+
+func (handler *SetupRequestHandler) getActivityName(protocol entities.E2ApplicationProtocol) string {
+ if protocol == entities.E2ApplicationProtocol_X2_SETUP_REQUEST {
+ return X2SetupActivityName
}
+ return EndcSetupActivityName
}
Code Review / ric-plt / e2mgr.git / blobdiff