X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=E2Manager%2Fmanagers%2Fran_reconnection_manager.go;h=530a2cf156cfe62cb9ecc81f6ed90f2d749479af;hb=refs%2Fchanges%2F01%2F2101%2F1;hp=f27f810f0cb7d301a8477b07b335411199de97fa;hpb=e3623cf1310f8c8d2fd9b5842102516b9be3b441;p=ric-plt%2Fe2mgr.git

diff --git a/E2Manager/managers/ran_reconnection_manager.go b/E2Manager/managers/ran_reconnection_manager.go
index f27f810..530a2cf 100644
--- a/E2Manager/managers/ran_reconnection_manager.go
+++ b/E2Manager/managers/ran_reconnection_manager.go
@@ -13,7 +13,10 @@
 // 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
 
@@ -29,21 +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)
 
@@ -55,7 +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)
@@ -74,39 +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