Send old clients a deprecation warning

[reliable-chat] / server / server.go
diff --git a/server/server.go b/server/server.go

index 379ebb22644c168a9d8ec7ed6ca10f589a910564..1bb7c9af81935b417692ddc55b717a2ff8f4967e 100644 (file)
--- a/server/server.go
+++ b/server/server.go
@@ -120,6 +120,7 @@ const frame_html = `<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
  <head>
   <script type="text/javascript"><!--//--><![CDATA[//><!--
    var since;
  <head>
   <script type="text/javascript"><!--//--><![CDATA[//><!--
    var since;
+  window.parent.postMessage('[{"Time":"2000-01-01T00:00:00.000000-00:00","ID":"/frame deprecation warning","Text":"*** You are using an old version of the client.  Please upgrade."}]', "*");
    function go() {
     var delay = 10000;
     var xhr = new XMLHttpRequest();
    function go() {
     var delay = 10000;
     var xhr = new XMLHttpRequest();