From bd8b7bd0f280ed37a7043ca6d4c5ca5f48d34a3d Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Fri, 15 Mar 2019 15:17:39 +0100
Subject: [PATCH] dnsdist: Gracefully handle a null latency in the webserver's
 JS

---
 pdns/dnsdistdist/html/local.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pdns/dnsdistdist/html/local.js b/pdns/dnsdistdist/html/local.js
index 641a2797b4..49304f125c 100644
--- a/pdns/dnsdistdist/html/local.js
+++ b/pdns/dnsdistdist/html/local.js
@@ -194,7 +194,8 @@ $(document).ready(function() {
                      var bouw='<table width="100%"><tr align=right><th>#</th><th align=left>Name</th><th align=left>Address</th><th>Status</th><th>Latency</th><th>Queries</th><th>Drops</th><th>QPS</th><th>Out</th><th>Weight</th><th>Order</th><th align=left>Pools</th></tr>';
                      $.each(data["servers"], function(a,b) {
                          bouw = bouw + ("<tr align=right><td>"+b["id"]+"</td><td align=left>"+b["name"]+"</td><td align=left>"+b["address"]+"</td><td>"+b["state"]+"</td>");
-                         bouw = bouw + ("<td>"+(b["latency"]).toFixed(2)+"</td><td>"+b["queries"]+"</td><td>"+b["reuseds"]+"</td><td>"+(b["qps"]).toFixed(2)+"</td><td>"+b["outstanding"]+"</td>");
+                         var latency = (b["latency"] === null) ? 0.0 : b["latency"];
+                         bouw = bouw + ("<td>"+latency.toFixed(2)+"</td><td>"+b["queries"]+"</td><td>"+b["reuseds"]+"</td><td>"+(b["qps"]).toFixed(2)+"</td><td>"+b["outstanding"]+"</td>");
                          bouw = bouw + ("<td>"+b["weight"]+"</td><td>"+b["order"]+"</td><td align=left>"+b["pools"]+"</td></tr>");
                      }); 
                      bouw = bouw + "</table>";
-- 
2.47.2