From 7595984cb9b80e0ca4a9090ab6589e8e80852b6b Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jbjohnso@us.ibm.com>
Date: Mon, 3 Mar 2014 16:03:10 -0500
Subject: [PATCH] Have socket api gracefully handle client disconnect

When client disconnected, an unsightly trace was incurred.
Properly handle that particular scenario and proceed as intended.
---
 confluent/common/tlvdata.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/confluent/common/tlvdata.py b/confluent/common/tlvdata.py
index 1fc7327f..f61a9ef8 100644
--- a/confluent/common/tlvdata.py
+++ b/confluent/common/tlvdata.py
@@ -27,6 +27,8 @@ def send_tlvdata(handle, data):
 
 def recv_tlvdata(handle):
     tl = handle.recv(4)
+    if len(tl) == 0:
+        return None
     tl = struct.unpack("!I", tl)[0]
     if tl & 0b10000000000000000000000000000000:
         raise Exception("Protocol Violation, reserved bit set")