Handle normal closure

cmd/calls/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"encoding/json"
+	"errors"
 	"flag"
 	"log"
 	"net/http"
@@ -90,8 +91,11 @@ func main() {
 		defer close(done)
 		for {
 			t, message, err := c.ReadMessage()
+			closeErr := &websocket.CloseError{}
 			if err != nil {
+				if !(errors.As(err, &closeErr) && closeErr.Code == 1000) { // normal closure
 					log.Println("read:", err)
+				}
 				return
 			}
 
@@ -127,7 +131,7 @@ func main() {
 		case <-done:
 			return
 		case <-interrupt:
-			log.Println("interrupt")
+			log.Println()
 
 			// Cleanly close the connection by sending a close message and then
 			// waiting (with timeout) for the server to close the connection.

pkg/gordio/nexus/websocket.go

@@ -110,7 +110,7 @@ func (conn *wsConn) readPump(ctx context.Context, reg Registry, c Client) {
 	for {
 		_, message, err := conn.ReadMessage()
 		if err != nil {
-			if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
+			if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure, websocket.CloseNormalClosure) {
 				log.Debug().Err(err).Str("conn", conn.RemoteAddr().String()).Msg("unexpected close")
 				return
 			}