RIC-11565:Add support for Multiple E2 Nodes: CU/DU for the case having same GNBId

[ric-plt/e2mgr.git] / E2Manager / handlers / rmrmsghandlers / e2_reset_request_handler.go

diff --git a/E2Manager/handlers/rmrmsghandlers/e2_reset_request_handler.go b/E2Manager/handlers/rmrmsghandlers/e2_reset_request_handler.go
index 76a0b1a..eb20f13 100644 (file)
--- a/E2Manager/handlers/rmrmsghandlers/e2_reset_request_handler.go
+++ b/E2Manager/handlers/rmrmsghandlers/e2_reset_request_handler.go
@@ -21,9 +21,13 @@ package rmrmsghandlers
 import (\r
        "e2mgr/configuration"\r
        "e2mgr/logger"\r
+       "e2mgr/managers"\r
        "e2mgr/models"\r
+       "e2mgr/rmrCgo"\r
        "e2mgr/services"\r
+       "e2mgr/services/rmrsender"\r
        "e2mgr/utils"\r
+       "encoding/xml"\r
        "time"\r
 \r
        "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"\r
@@ -31,17 +35,27 @@ import (
 \r
 const E2ResetRequestLogInfoElapsedTime = "#E2ResetRequestNotificationHandler.Handle - Summary: elapsed time for receiving and handling reset request message from E2 terminator: %f ms"\r
 \r
+var (\r
+       resetRequestEmptyTagsToReplaceToSelfClosingTags = []string{"reject", "ignore", "protocolIEs", "procedureCode", "ResetResponse", "ResetResponseIEs", "id", "criticality", "TransactionID"}\r
+)\r
+\r
 type E2ResetRequestNotificationHandler struct {\r
-       logger          *logger.Logger\r
-       rnibDataService services.RNibDataService\r
-       config          *configuration.Configuration\r
+       logger                            *logger.Logger\r
+       rnibDataService                   services.RNibDataService\r
+       config                            *configuration.Configuration\r
+       rmrSender                         *rmrsender.RmrSender\r
+       ranResetManager                   *managers.RanResetManager\r
+       changeStatusToConnectedRanManager *managers.ChangeStatusToConnectedRanManager\r
 }\r
 \r
-func NewE2ResetRequestNotificationHandler(logger *logger.Logger, rnibDataService services.RNibDataService, config *configuration.Configuration) *E2ResetRequestNotificationHandler {\r
+func NewE2ResetRequestNotificationHandler(logger *logger.Logger, rnibDataService services.RNibDataService, config *configuration.Configuration, rmrSender *rmrsender.RmrSender, ranResetManager *managers.RanResetManager, changeStatusToConnectedRanManager *managers.ChangeStatusToConnectedRanManager) *E2ResetRequestNotificationHandler {\r
        return &E2ResetRequestNotificationHandler{\r
-               logger:          logger,\r
-               rnibDataService: rnibDataService,\r
-               config:          config,\r
+               logger:                            logger,\r
+               rnibDataService:                   rnibDataService,\r
+               config:                            config,\r
+               rmrSender:                         rmrSender,\r
+               ranResetManager:                   ranResetManager,\r
+               changeStatusToConnectedRanManager: changeStatusToConnectedRanManager,\r
        }\r
 }\r
 \r
@@ -62,7 +76,21 @@ func (e *E2ResetRequestNotificationHandler) Handle(request *models.NotificationR
 \r
        nodebInfo.ConnectionStatus = entities.ConnectionStatus_UNDER_RESET\r
 \r
-       err = e.rnibDataService.UpdateNodebInfoAndPublish(nodebInfo)\r
+       ranName := request.RanName\r
+       isResetDone, err := e.ranResetManager.ResetRan(ranName)\r
+       if err != nil {\r
+               e.logger.Errorf("#E2ResetRequestNotificationHandler.Handle - failed to update and notify connection status of nodeB entity. RanName: %s. Error: %s", request.RanName, err.Error())\r
+       } else {\r
+               if isResetDone {\r
+                       nodebInfoupdated, err1 := e.getNodebInfo(request.RanName)\r
+                       if err1 != nil {\r
+                               e.logger.Errorf("#E2ResetRequestNotificationHandler.Handle - failed to get updated nodeB entity. RanName: %s. Error: %s", request.RanName, err1.Error())\r
+                       }\r
+                       e.logger.Debugf("#E2ResetRequestNotificationHandler.Handle - Reset Done Successfully ran: %s , Connection status updated : %s", ranName, nodebInfoupdated.ConnectionStatus)\r
+               } else {\r
+                       e.logger.Debugf("#E2ResetRequestNotificationHandler.Handle - Reset Failed")\r
+               }\r
+       }\r
 \r
        if err != nil {\r
                e.logger.Errorf("#E2ResetRequestNotificationHandler.Handle - failed to update connection status of nodeB entity. RanName: %s. Error: %s", request.RanName, err.Error())\r
@@ -74,12 +102,27 @@ func (e *E2ResetRequestNotificationHandler) Handle(request *models.NotificationR
 \r
        e.waitfortimertimeout(request)\r
 \r
-       nodebInfo.ConnectionStatus = entities.ConnectionStatus_CONNECTED\r
-\r
-       err = e.rnibDataService.UpdateNodebInfoAndPublish(nodebInfo)\r
+       resetRequest, err := e.parseE2ResetMessage(request.Payload)\r
+       if err != nil {\r
+               e.logger.Errorf(err.Error())\r
+               return\r
+       }\r
+       e.logger.Infof("#E2ResetRequestNotificationHandler.Handle - RIC_RESET_REQUEST has been parsed successfully %+v", resetRequest)\r
+       e.handleSuccessfulResponse(ranName, request, resetRequest)\r
 \r
+       isConnectedStatus, err := e.changeStatusToConnectedRanManager.ChangeStatusToConnectedRan(ranName)\r
        if err != nil {\r
-               e.logger.Errorf("#E2ResetRequestNotificationHandler.Handle - failed to update connection status of nodeB entity. RanName: %s. Error: %s", request.RanName, err.Error())\r
+               e.logger.Errorf("#E2ResetRequestNotificationHandler.Handle - failed to update and notify connection status of nodeB entity. RanName: %s. Error: %s", request.RanName, err.Error())\r
+       } else {\r
+               if isConnectedStatus {\r
+                       nodebInfoupdated, err1 := e.getNodebInfo(request.RanName)\r
+                       if err1 != nil {\r
+                               e.logger.Errorf("#E2ResetRequestNotificationHandler.Handle - failed to get updated nodeB entity. RanName: %s. Error: %s", request.RanName, err1.Error())\r
+                       }\r
+                       e.logger.Debugf("#E2ResetRequestNotificationHandler.Handle - Connection status Set Successfully ran: %s , Connection status updated : %s", ranName, nodebInfoupdated.ConnectionStatus)\r
+               } else {\r
+                       e.logger.Debugf("#E2ResetRequestNotificationHandler.Handle - Connection status Setting Failed")\r
+               }\r
        }\r
 \r
        e.logger.Debugf("#E2ResetRequestNotificationHandler.Handle - nodeB entity connected state. RanName %s, ConnectionStatus %s", nodebInfo.RanName, nodebInfo.ConnectionStatus)\r
@@ -107,3 +150,37 @@ func (e *E2ResetRequestNotificationHandler) waitfortimertimeout(request *models.
                time.Sleep(time.Duration(timeout/100) * time.Millisecond)\r
        }\r
 }\r
+\r
+func (e *E2ResetRequestNotificationHandler) parseE2ResetMessage(payload []byte) (*models.E2ResetRequestMessage, error) {\r
+       e2resetMessage := models.E2ResetRequestMessage{}\r
+       err := xml.Unmarshal(utils.NormalizeXml(payload), &(e2resetMessage.E2ApPDU))\r
+\r
+       if err != nil {\r
+               e.logger.Errorf("#E2ResetRequestNotificationHandler.Handle - error in parsing request message: %+v", err)\r
+               return nil, err\r
+       }\r
+       e.logger.Debugf("#E2ResetRequestNotificationHandler.Handle - Unmarshalling is successful %v", e2resetMessage.E2ApPDU.InitiatingMessage.ProcedureCode)\r
+       return &e2resetMessage, nil\r
+}\r
+\r
+func (h *E2ResetRequestNotificationHandler) handleSuccessfulResponse(ranName string, req *models.NotificationRequest, resetRequest *models.E2ResetRequestMessage) {\r
+\r
+       successResponse := models.NewE2ResetResponseMessage(resetRequest)\r
+       h.logger.Debugf("#E2ResetRequestNotificationHandler.handleSuccessfulResponse - E2_RESET_RESPONSE has been built successfully %+v", successResponse)\r
+\r
+       responsePayload, err := xml.Marshal(&successResponse.E2ApPdu)\r
+       if err != nil {\r
+               h.logger.Warnf("#E2ResetRequestNotificationHandler.handleSuccessfulResponse - RAN name: %s - Error marshalling RIC_E2_RESET_RESP. Payload: %s", ranName, responsePayload)\r
+       }\r
+\r
+       responsePayload = utils.ReplaceEmptyTagsWithSelfClosing(responsePayload, resetRequestEmptyTagsToReplaceToSelfClosingTags)\r
+\r
+       h.logger.Infof("#E2ResetRequestNotificationHandler.handleSuccessfulResponse - payload: %s", responsePayload)\r
+\r
+       msg := models.NewRmrMessage(rmrCgo.RIC_E2_RESET_RESP, ranName, responsePayload, req.TransactionId, req.GetMsgSrc())\r
+       h.logger.Infof("#E2ResetRequestNotificationHandler.handleSuccessfulResponse - RAN name: %s - RIC_E2_RESET_RESP message has been built successfully. Message: %x", ranName, msg)\r
+       err = h.rmrSender.Send(msg)\r
+       if err != nil {\r
+               h.logger.Errorf("#E2ResetRequestNotificationHandler.handleSuccessfulResponse - RAN name: %s - Error sending e2 success response %+v", ranName, msg)\r
+       }\r
+}\r