From 20b452b211ae313855c2110da98ea5f76a7a285b Mon Sep 17 00:00:00 2001
From: Maxired <github@maxired.fr>
Date: Thu, 20 Feb 2014 16:17:19 +0100
Subject: [PATCH] fix bug for ack when token length is not 4

---
 lib/agent.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/agent.js b/lib/agent.js
index 79d1e639..64668ed9 100644
--- a/lib/agent.js
+++ b/lib/agent.js
@@ -159,7 +159,7 @@ Agent.prototype._handle = function handle(msg, rsinfo) {
     // it is an observe request
     // and we are already streaming
     return req.response.append(packet)
-  else if (!req.url.observe)
+  else if (!req.url.observe && packet.token.length == 4)
     // it is not, so delete the token
     delete that._tkToReq[packet.token.readUInt32BE(0)]