double check for closed connections

2015-11-17 19:23:21 +01:00 · 2015-11-17 19:23:21 +01:00 · 1405582cc2
commit 1405582cc2
parent c3548a1530
1 changed files with 4 additions and 1 deletions
--- a/oml/websocket.py
+++ b/oml/websocket.py
@ -48,7 +48,10 @@ class Handler(WebSocketHandler):
    def post(self, event, data):
        message = json_dumps([event, data])
        main = IOLoop.instance()
-        main.add_callback(lambda: self.write_message(message))
+        if self.ws_connection is None:
+            self.on_close()
+        else:
+            main.add_callback(lambda: self.write_message(message))

 def trigger_event(event, data):
    if len(state.websockets):