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[ric-plt/e2mgr.git] / E2Manager / managers / ran_reconnection_manager.go

diff --git a/E2Manager/managers/ran_reconnection_manager.go b/E2Manager/managers/ran_reconnection_manager.go
index 8e2ff8d..530a2cf 100644 (file)
--- a/E2Manager/managers/ran_reconnection_manager.go
+++ b/E2Manager/managers/ran_reconnection_manager.go
@@ -32,21 +32,27 @@ type IRanReconnectionManager interface {
 }
 
 type RanReconnectionManager struct {
-       logger          *logger.Logger
-       config          *configuration.Configuration
-       rnibDataService services.RNibDataService
-       ranSetupManager *RanSetupManager
+       logger              *logger.Logger
+       config              *configuration.Configuration
+       rnibDataService     services.RNibDataService
+       ranSetupManager     *RanSetupManager
+       e2tInstancesManager IE2TInstancesManager
 }
 
-func NewRanReconnectionManager(logger *logger.Logger, config *configuration.Configuration, rnibDataService services.RNibDataService, ranSetupManager *RanSetupManager) *RanReconnectionManager {
+func NewRanReconnectionManager(logger *logger.Logger, config *configuration.Configuration, rnibDataService services.RNibDataService, ranSetupManager *RanSetupManager, e2tInstancesManager IE2TInstancesManager) *RanReconnectionManager {
        return &RanReconnectionManager{
-               logger:          logger,
-               config:          config,
-               rnibDataService: rnibDataService,
-               ranSetupManager: ranSetupManager,
+               logger:              logger,
+               config:              config,
+               rnibDataService:     rnibDataService,
+               ranSetupManager:     ranSetupManager,
+               e2tInstancesManager: e2tInstancesManager,
        }
 }
 
+func (m *RanReconnectionManager) isRanExceededConnectionAttempts(nodebInfo *entities.NodebInfo) bool {
+       return int(nodebInfo.GetConnectionAttempts()) >= m.config.MaxConnectionAttempts
+}
+
 func (m *RanReconnectionManager) ReconnectRan(inventoryName string) error {
        nodebInfo, rnibErr := m.rnibDataService.GetNodeb(inventoryName)
 
@@ -58,7 +64,18 @@ func (m *RanReconnectionManager) ReconnectRan(inventoryName string) error {
        m.logger.Infof("#RanReconnectionManager.ReconnectRan - RAN name: %s - RAN's connection status: %s, RAN's connection attempts: %d", nodebInfo.RanName, nodebInfo.ConnectionStatus, nodebInfo.ConnectionAttempts)
 
        if !m.canReconnectRan(nodebInfo) {
-               return m.setConnectionStatusOfUnconnectableRan(nodebInfo)
+               e2tAddress := nodebInfo.AssociatedE2TInstanceAddress
+               err := m.updateUnconnectableRan(nodebInfo)
+
+               if err != nil {
+                       return err
+               }
+
+               if m.isRanExceededConnectionAttempts(nodebInfo) {
+                       return m.e2tInstancesManager.DissociateRan(nodebInfo.RanName, e2tAddress)
+               }
+
+               return nil
        }
 
        err := m.ranSetupManager.ExecuteSetup(nodebInfo, entities.ConnectionStatus_CONNECTING)
@@ -77,39 +94,41 @@ func (m *RanReconnectionManager) canReconnectRan(nodebInfo *entities.NodebInfo)
                int(nodebInfo.GetConnectionAttempts()) < m.config.MaxConnectionAttempts
 }
 
-func (m *RanReconnectionManager) updateNodebInfoStatus(nodebInfo *entities.NodebInfo, connectionStatus entities.ConnectionStatus) error {
-       if nodebInfo.ConnectionStatus == connectionStatus {
-               return nil
-       }
+func (m *RanReconnectionManager) updateNodebInfo(nodebInfo *entities.NodebInfo, connectionStatus entities.ConnectionStatus, resetE2tAddress bool) error {
 
        nodebInfo.ConnectionStatus = connectionStatus;
+
+       if resetE2tAddress {
+               nodebInfo.AssociatedE2TInstanceAddress = ""
+       }
+
        err := m.rnibDataService.UpdateNodebInfo(nodebInfo)
 
        if err != nil {
-               m.logger.Errorf("#RanReconnectionManager.updateNodebInfoStatus - RAN name: %s - Failed updating RAN's connection status to %s in rNib. Error: %v", nodebInfo.RanName, connectionStatus, err)
+               m.logger.Errorf("#RanReconnectionManager.updateNodebInfo - RAN name: %s - Failed updating RAN's connection status to %s in rNib. Error: %v", nodebInfo.RanName, connectionStatus, err)
                return err
        }
 
-       m.logger.Infof("#RanReconnectionManager.updateNodebInfoStatus - RAN name: %s - Successfully updated rNib. RAN's current connection status: %s", nodebInfo.RanName, nodebInfo.ConnectionStatus)
+       m.logger.Infof("#RanReconnectionManager.updateNodebInfo - RAN name: %s - Successfully updated rNib. RAN's current connection status: %s", nodebInfo.RanName, nodebInfo.ConnectionStatus)
        return nil
 }
 
-func (m *RanReconnectionManager) setConnectionStatusOfUnconnectableRan(nodebInfo *entities.NodebInfo) error {
+func (m *RanReconnectionManager) updateUnconnectableRan(nodebInfo *entities.NodebInfo) error {
        connectionStatus := nodebInfo.GetConnectionStatus()
 
        if connectionStatus == entities.ConnectionStatus_SHUT_DOWN {
-               m.logger.Warnf("#RanReconnectionManager.ReconnectRan - RAN name: %s - Cannot reconnect RAN. Reason: connection status is SHUT_DOWN", nodebInfo.RanName)
+               m.logger.Warnf("#RanReconnectionManager.updateUnconnectableRan - RAN name: %s - Cannot reconnect RAN. Reason: connection status is SHUT_DOWN", nodebInfo.RanName)
                return nil
        }
 
        if connectionStatus == entities.ConnectionStatus_SHUTTING_DOWN {
-               m.logger.Warnf("#RanReconnectionManager.ReconnectRan - RAN name: %s - Cannot reconnect RAN. Reason: connection status is SHUTTING_DOWN", nodebInfo.RanName)
-               return m.updateNodebInfoStatus(nodebInfo, entities.ConnectionStatus_SHUT_DOWN)
+               m.logger.Warnf("#RanReconnectionManager.updateUnconnectableRan - RAN name: %s - Cannot reconnect RAN. Reason: connection status is SHUTTING_DOWN", nodebInfo.RanName)
+               return m.updateNodebInfo(nodebInfo, entities.ConnectionStatus_SHUT_DOWN, false)
        }
 
-       if int(nodebInfo.GetConnectionAttempts()) >= m.config.MaxConnectionAttempts {
-               m.logger.Warnf("#RanReconnectionManager.ReconnectRan - RAN name: %s - Cannot reconnect RAN. Reason: RAN's connection attempts exceeded the limit (%d)", nodebInfo.RanName, m.config.MaxConnectionAttempts)
-               return m.updateNodebInfoStatus(nodebInfo, entities.ConnectionStatus_DISCONNECTED)
+       if m.isRanExceededConnectionAttempts(nodebInfo) {
+               m.logger.Warnf("#RanReconnectionManager.updateUnconnectableRan - RAN name: %s - Cannot reconnect RAN. Reason: RAN's connection attempts exceeded the limit (%d)", nodebInfo.RanName, m.config.MaxConnectionAttempts)
+               return m.updateNodebInfo(nodebInfo, entities.ConnectionStatus_DISCONNECTED, true)
        }
 
        return nil