From 33e53cda3df944521aa7118eeddc4c1d6f33161b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Gr=C3=B6ber?= <dxld@darkboxed.org>
Date: Wed, 1 Aug 2018 13:49:07 +0200
Subject: [PATCH] Implement exponential backoff for websocket

---
 common/body_tag.html | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/common/body_tag.html b/common/body_tag.html
index bebd48b..dce75a4 100644
--- a/common/body_tag.html
+++ b/common/body_tag.html
@@ -27,10 +27,22 @@ var its =  (function() {
     url.protocol = url.protocol == 'https:' ? 'wss' : 'ws';
     url += 'its-open-ws/';
 
+
+    var reconnect_delay = 1000;
+    var reconnect_giveup = 1000000;
+
     function connect() {
-        console.log('isitopen: reconnecting');
-        var ws = new WebSocket(url);
-        register(ws);
+        if(reconnect_delay > reconnect_giveup)
+            return;
+
+        setTimeout(function() {
+            console.log('isitopen: reconnecting');
+            var ws = new WebSocket(url);
+            register(ws);
+
+        }, reconnect_delay);
+
+        reconnect_delay *= 2;
     }
 
     function refresh() {