X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=E2Manager%2Fmanagers%2Fran_setup_manager.go;h=f855df4d2d86287d8f1b7c25f9815c14342bd1a8;hb=3ae760f4378ea43575eca6e83ccc01084566e7cf;hp=ce8446887dd1cbf3cb80b2537c223df359ba8a6c;hpb=2151d81e25b521d1d7f76fee0f286723e9b00913;p=ric-plt%2Fe2mgr.git

diff --git a/E2Manager/managers/ran_setup_manager.go b/E2Manager/managers/ran_setup_manager.go
index ce84468..f855df4 100644
--- a/E2Manager/managers/ran_setup_manager.go
+++ b/E2Manager/managers/ran_setup_manager.go
@@ -13,33 +13,119 @@
 // 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 managers
 
 import (
+	"e2mgr/e2managererrors"
+	"e2mgr/e2pdus"
 	"e2mgr/logger"
-	"e2mgr/rNibWriter"
+	"e2mgr/models"
+	"e2mgr/rmrCgo"
 	"e2mgr/services"
+	"e2mgr/services/rmrsender"
 	"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
-	"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
+	"unsafe"
 )
 
 type RanSetupManager struct {
-	logger             *logger.Logger
-	rnibReaderProvider func() reader.RNibReader
-	rnibWriterProvider func() rNibWriter.RNibWriter
-	rmrService         *services.RmrService
+	logger          *logger.Logger
+	rnibDataService services.RNibDataService
+	rmrSender       *rmrsender.RmrSender
 }
 
-func NewRanSetupManager(logger *logger.Logger, rmrService *services.RmrService, rnibReaderProvider func() reader.RNibReader, rnibWriterProvider func() rNibWriter.RNibWriter) *RanSetupManager {
+type IRanSetupManager interface {
+	ExecuteSetup(nodebInfo *entities.NodebInfo, status entities.ConnectionStatus) error
+}
+
+func NewRanSetupManager(logger *logger.Logger, rmrSender *rmrsender.RmrSender, rnibDataService services.RNibDataService) *RanSetupManager {
 	return &RanSetupManager{
-		logger:             logger,
-		rnibReaderProvider: rnibReaderProvider,
-		rnibWriterProvider: rnibWriterProvider,
+		logger:          logger,
+		rnibDataService: rnibDataService,
+		rmrSender:       rmrSender,
+	}
+}
+
+// Update retries and connection status 
+func (m *RanSetupManager) updateConnectionStatus(nodebInfo *entities.NodebInfo, status entities.ConnectionStatus) error {
+	// Update retries and connection status
+	nodebInfo.ConnectionStatus = status
+	err := m.rnibDataService.UpdateNodebInfo(nodebInfo)
+	if err != nil {
+		m.logger.Errorf("#RanSetupManager.updateConnectionStatus - Ran name: %s - Failed updating RAN's connection status to %v : %s", nodebInfo.RanName, status, err)
+	} else {
+		m.logger.Infof("#RanSetupManager.updateConnectionStatus - Ran name: %s - Successfully updated rNib. RAN's current connection status: %v", nodebInfo.RanName, status)
+	}
+	return err
+}
+
+// Decrement retries and connection status (disconnected)
+func (m *RanSetupManager) updateConnectionStatusDisconnected(nodebInfo *entities.NodebInfo) error {
+	// Update retries and connection status
+	nodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
+	err := m.rnibDataService.UpdateNodebInfo(nodebInfo)
+	if err != nil {
+		m.logger.Errorf("#RanSetupManager.updateConnectionStatusDisconnected - Ran name: %s - Failed updating RAN's connection status to DISCONNECTED : %s", nodebInfo.RanName, err)
+	} else {
+		m.logger.Infof("#RanSetupManager.updateConnectionStatusDisconnected - Ran name: %s - Successfully updated rNib. RAN's current connection status: DISCONNECTED", nodebInfo.RanName)
 	}
+	return err
 }
 
-func (m *RanSetupManager) ExecuteSetup(nodebInfo *entities.NodebInfo) error {
+func (m *RanSetupManager) prepareSetupRequest(nodebInfo *entities.NodebInfo) (int, *models.E2RequestMessage, error) {
+	// Build the endc/x2 setup request
+	switch nodebInfo.E2ApplicationProtocol {
+	case entities.E2ApplicationProtocol_X2_SETUP_REQUEST:
+		rmrMsgType := rmrCgo.RIC_X2_SETUP_REQ
+		request := models.NewE2RequestMessage(nodebInfo.RanName /*tid*/, nodebInfo.Ip, uint16(nodebInfo.Port), nodebInfo.RanName, e2pdus.PackedX2setupRequest)
+		return rmrMsgType, request, nil
+	case entities.E2ApplicationProtocol_ENDC_X2_SETUP_REQUEST:
+		rmrMsgType := rmrCgo.RIC_ENDC_X2_SETUP_REQ
+		request := models.NewE2RequestMessage(nodebInfo.RanName /*tid*/, nodebInfo.Ip, uint16(nodebInfo.Port), nodebInfo.RanName, e2pdus.PackedEndcX2setupRequest)
+		return rmrMsgType, request, nil
+	}
+
+	m.logger.Errorf("#RanSetupManager.prepareSetupRequest - Unsupported nodebInfo.E2ApplicationProtocol %d ", nodebInfo.E2ApplicationProtocol)
+	return 0, nil, e2managererrors.NewInternalError()
+}
+
+// ExecuteSetup updates the connection status and number of attempts in the nodebInfo and send an endc/x2 setup request to establish a connection with the RAN
+func (m *RanSetupManager) ExecuteSetup(nodebInfo *entities.NodebInfo, status entities.ConnectionStatus) error {
+
+	// Update retries and connection status
+	if err := m.updateConnectionStatus(nodebInfo, status); err != nil {
+		return e2managererrors.NewRnibDbError()
+	}
+
+	// Build the endc/x2 setup request
+	rmrMsgType, request, err := m.prepareSetupRequest(nodebInfo)
+	if err != nil {
+		return err
+	}
+
+	// Send the endc/x2 setup request
+	var xAction []byte
+	var msgSrc unsafe.Pointer
+	msg := models.NewRmrMessage(rmrMsgType, nodebInfo.RanName, request.GetMessageAsBytes(m.logger), xAction, msgSrc)
+
+	err = m.rmrSender.Send(msg)
+
+	if err != nil {
+		m.logger.Errorf("#RanSetupManager.ExecuteSetup - failed sending setup request to RMR: %s", err)
+
+		err := m.updateConnectionStatusDisconnected(nodebInfo)
+
+		// Decrement retries and connection status (disconnected)
+		if err != nil {
+			return e2managererrors.NewRnibDbError()
+		}
+
+		return e2managererrors.NewRmrError()
+	}
+
 	return nil
 }