From 50b9eca34c98e09acffd132195c7341516e37f45 Mon Sep 17 00:00:00 2001
From: Jeff Becker <ampernand@gmail.com>
Date: Thu, 28 Jul 2016 09:50:19 -0400
Subject: [PATCH] check for bogus times in packets

---
 Streaming.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Streaming.cpp b/Streaming.cpp
index 3806d97d..316a3031 100644
--- a/Streaming.cpp
+++ b/Streaming.cpp
@@ -268,7 +268,12 @@ namespace stream
 					}	
 				}
 				auto sentPacket = *it;
-				uint64_t rtt = ts - sentPacket->sendTime;
+        uint64_t rtt = ts - sentPacket->sendTime;
+        if(ts < sentPacket->sendTime)
+        {
+          LogPrint(eLogError, "Streaming: Packet ", seqn, "sent from the future, sendTime=", sentPacket->sendTime);
+          rtt = 0;
+        }
 				m_RTT = (m_RTT*seqn + rtt)/(seqn + 1);
 				m_RTO = m_RTT*1.5; // TODO: implement it better
 				LogPrint (eLogDebug, "Streaming: Packet ", seqn, " acknowledged rtt=", rtt);