Try add DispathLooseConnection v2

connection.go

@@ -14,7 +14,7 @@ type Conn struct {
 	reconnectErrCh             <-chan error
 	closeConnectionToManagerCh chan<- struct{}
 
-	reconnectHooks    []func()
+	reconnectHooks    []func(error)
 	looseConnectionCh <-chan error
 	mutex             *sync.RWMutex
 
@@ -59,13 +59,11 @@ func NewConn(url string, optionFuncs ...func(*ConnectionOptions)) (*Conn, error)
 }
 
 func (conn *Conn) handleLooseConnection() {
-	for {
-		<-conn.looseConnectionCh
-
+	for err := range conn.looseConnectionCh {
 		conn.mutex.Lock()
 
 		for _, fhook := range conn.reconnectHooks {
-			fhook()
+			fhook(err)
 		}
 
 		conn.mutex.Unlock()
@@ -78,7 +76,7 @@ func (conn *Conn) handleRestarts() {
 	}
 }
 
-func (conn *Conn) RegisterReconnectHook(hook func()) {
+func (conn *Conn) RegisterReconnectHook(hook func(error)) {
 	conn.mutex.Lock()
 	conn.reconnectHooks = append(conn.reconnectHooks, hook)
 	conn.mutex.Unlock()

internal/channelmanager/channel_manager.go

@@ -40,7 +40,9 @@ func NewChannelManager(connManager *connectionmanager.ConnectionManager, log log
 		reconnectionCountMux: &sync.Mutex{},
 		dispatcher:           dispatcher.NewDispatcher(),
 	}
+
 	go chanManager.startNotifyCancelOrClosed()
+
 	return &chanManager, nil
 }
 
@@ -52,6 +54,7 @@ func getNewChannel(connManager *connectionmanager.ConnectionManager) (*amqp.Chan
 	if err != nil {
 		return nil, err
 	}
+
 	return ch, nil
 }
 
@@ -71,6 +74,7 @@ func (chanManager *ChannelManager) startNotifyCancelOrClosed() {
 			chanManager.logger.Warnf("successfully reconnected to amqp server")
 			chanManager.dispatcher.Dispatch(err)
 		}
+
 		if err == nil {
 			chanManager.logger.Infof("amqp channel closed gracefully")
 		}

internal/connectionmanager/connection_manager.go

@@ -88,6 +88,7 @@ func (connManager *ConnectionManager) startNotifyClose() {
 		connManager.reconnectLoop()
 		connManager.logger.Warnf("successfully reconnected to amqp server")
 		connManager.dispatcher.Dispatch(err)
+		connManager.dispatcher.DispathLooseConnection(nil)
 	}
 
 	if err == nil {