fix eclipse-theia#2933: don't send a message if a ws socket is closed

Signed-off-by: Anton Kosyakov <anton.kosyakov@typefox.io>
vinokurig · Sep 21, 2018 · 41b4d63 · 41b4d63
1 parent 543b119
commit 41b4d63
Showing 1 changed file with 8 additions and 4 deletions.
diff --git a/packages/core/src/node/messaging/messaging-contribution.ts b/packages/core/src/node/messaging/messaging-contribution.ts
@@ -152,11 +152,15 @@ export class MessagingContribution implements BackendApplicationContribution, Me
     }
 
     protected createChannel(id: number, socket: ws): WebSocketChannel {
-        return new WebSocketChannel(id, content => socket.send(content, err => {
-            if (err) {
-                throw err;
+        return new WebSocketChannel(id, content => {
+            if (socket.readyState < ws.CLOSING) {
+                socket.send(content, err => {
+                    if (err) {
+                        throw err;
+                    }
+                });
             }
-        }));
+        });
     }
 
 }