X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=E2Manager%2Fhandlers%2Fhttpmsghandlers%2Fdelete_all_request_handler.go;fp=E2Manager%2Fhandlers%2Fhttpmsghandlers%2Fdelete_all_request_handler.go;h=6e70debe9d38f2bd23e93b9ae44b00b875db48de;hb=1ec13d4076e7c7abefac6176462c1fee31229213;hp=0000000000000000000000000000000000000000;hpb=3f9a67b3d8e15bc725f2f66adf499617ffc0d2fc;p=ric-plt%2Fe2mgr.git

diff --git a/E2Manager/handlers/httpmsghandlers/delete_all_request_handler.go b/E2Manager/handlers/httpmsghandlers/delete_all_request_handler.go
new file mode 100644
index 0000000..6e70deb
--- /dev/null
+++ b/E2Manager/handlers/httpmsghandlers/delete_all_request_handler.go
@@ -0,0 +1,176 @@
+//
+// 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 httpmsghandlers
+
+import "C"
+import (
+	"e2mgr/configuration"
+	"e2mgr/e2managererrors"
+	"e2mgr/logger"
+	"e2mgr/models"
+	"e2mgr/rNibWriter"
+	"e2mgr/rmrCgo"
+	"e2mgr/services"
+	"e2mgr/stateMachine"
+	"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
+	"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
+	"time"
+)
+
+type DeleteAllRequestHandler struct {
+	readerProvider func() reader.RNibReader
+	writerProvider func() rNibWriter.RNibWriter
+	rmrService *services.RmrService
+	config *configuration.Configuration
+}
+
+func NewDeleteAllRequestHandler(rmrService *services.RmrService, config *configuration.Configuration, writerProvider func() rNibWriter.RNibWriter, readerProvider func() reader.RNibReader) *DeleteAllRequestHandler {
+	return &DeleteAllRequestHandler {
+		readerProvider: readerProvider,
+		writerProvider: writerProvider,
+		rmrService: rmrService,
+		config: config,
+	}
+}
+
+func (handler *DeleteAllRequestHandler) Handle(logger *logger.Logger, request models.Request) error {
+
+	err, continueFlow := handler.updateNodebStates(logger, false)
+	if err != nil {
+		return err
+	}
+
+	if continueFlow == false{
+		return nil
+	}
+
+	//TODO change to rmr_request
+	response := models.NotificationResponse{MgsType: rmrCgo.RIC_SCTP_CLEAR_ALL}
+	if err:= handler.rmrService.SendRmrMessage(&response); err != nil {
+		logger.Errorf("#DeleteAllRequestHandler.Handle - failed to send sctp clear all message to RMR: %s", err)
+		return  e2managererrors.NewRmrError()
+	}
+
+	time.Sleep(time.Duration(handler.config.BigRedButtonTimeoutSec) * time.Second)
+	logger.Infof("#DeleteAllRequestHandler.Handle - timer expired")
+
+	err, _ = handler.updateNodebStates(logger, true)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (handler *DeleteAllRequestHandler) updateNodebStates(logger *logger.Logger, timeoutExpired bool) (error, bool){
+	nbIdentityList, err := handler.readerProvider().GetListNodebIds()
+
+	if err != nil {
+		logger.Errorf("#DeleteAllRequestHandler.updateNodebStates - failed to get nodes list from RNIB. Error: %s", err.Error())
+		return e2managererrors.NewRnibDbError(), false
+	}
+
+	if len(nbIdentityList) == 0 {
+		return nil, false
+	}
+
+	numOfRanToShutDown := 0
+	for _,nbIdentity := range nbIdentityList{
+
+		node, err := handler.readerProvider().GetNodeb((*nbIdentity).GetInventoryName())
+
+		if err != nil {
+			logger.Errorf("#DeleteAllRequestHandler.updateNodebStates - failed to get nodeB entity for ran name: %v from RNIB. Error: %s",
+				(*nbIdentity).GetInventoryName(), err.Error())
+			continue
+		}
+
+		if timeoutExpired{
+
+			if handler.saveNodebShutDownState(logger, nbIdentity, node){
+				numOfRanToShutDown++
+			}
+			continue
+		}
+		if handler.saveNodebNextState(logger, nbIdentity, node){
+			numOfRanToShutDown++
+		}
+	}
+
+	if numOfRanToShutDown > 0{
+		logger.Infof("#DeleteAllRequestHandler.updateNodebStates - update nodebs states in RNIB completed")
+	}else {
+		logger.Infof("#DeleteAllRequestHandler.updateNodebStates - nodebs states are not updated ")
+		return nil, false
+	}
+
+	return nil, true
+}
+
+func (handler *DeleteAllRequestHandler) saveNodebNextState(logger *logger.Logger, nbIdentity *entities.NbIdentity, node *entities.NodebInfo) bool{
+
+	if node.ConnectionStatus == entities.ConnectionStatus_SHUTTING_DOWN{
+		return true
+	}
+
+	nextStatus, res := stateMachine.NodeNextStateDeleteAll(node.ConnectionStatus)
+	if res == false {
+		return false
+	}
+
+	node.ConnectionStatus = nextStatus
+
+	err := handler.writerProvider().SaveNodeb(nbIdentity, node)
+
+	if err != nil {
+		logger.Errorf("#DeleteAllRequestHandler.saveNodebNextState - failed to save nodeB entity for inventory name: %v to RNIB. Error: %s",
+			(*nbIdentity).GetInventoryName(), err.Error())
+		return false
+	}
+
+	if logger.DebugEnabled() {
+		logger.Debugf("#DeleteAllRequestHandler.saveNodebNextState - connection status of inventory name: %v changed to %v",
+			(*nbIdentity).GetInventoryName(), nextStatus.String())
+	}
+	return true
+}
+
+func (handler *DeleteAllRequestHandler) saveNodebShutDownState(logger *logger.Logger, nbIdentity *entities.NbIdentity, node *entities.NodebInfo) bool{
+
+	if node.ConnectionStatus == entities.ConnectionStatus_SHUT_DOWN{
+		return false
+	}
+
+	if node.ConnectionStatus != entities.ConnectionStatus_SHUTTING_DOWN {
+		logger.Errorf("#DeleteAllRequestHandler.saveNodebShutDownState - ignore, status is not Shutting Down, inventory name: %v ", (*nbIdentity).GetInventoryName())
+		return false
+	}
+
+	node.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
+
+	err := handler.writerProvider().SaveNodeb(nbIdentity, node)
+
+	if err != nil {
+		logger.Errorf("#DeleteAllRequestHandler.saveNodebShutDownState - failed to save nodeB entity for inventory name: %v to RNIB. Error: %s",
+			(*nbIdentity).GetInventoryName(), err.Error())
+		return false
+	}
+
+	logger.Errorf("#DeleteAllRequestHandler.saveNodebShutDownState - Shut Down , inventory name: %v ", (*nbIdentity).GetInventoryName())
+	return true
+}