From 096927beeda11b5d39be591a62c23a222cb013d2 Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Fri, 24 Jun 2016 21:54:58 -0400
Subject: [PATCH]  don't sedn explicit Ack if no NACKs only

---
 Streaming.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Streaming.cpp b/Streaming.cpp
index 1a6fdbca..e5260556 100644
--- a/Streaming.cpp
+++ b/Streaming.cpp
@@ -395,8 +395,11 @@ namespace stream
 		}	
 		if (packets.size () > 0)
 		{
-			m_IsAckSendScheduled = false;	
-			m_AckSendTimer.cancel ();
+			if (m_SavedPackets.empty ()) // no NACKS
+			{	
+				m_IsAckSendScheduled = false;	
+				m_AckSendTimer.cancel ();
+			}	
 			bool isEmpty = m_SentPackets.empty ();
 			auto ts = i2p::util::GetMillisecondsSinceEpoch ();
 			for (auto it: packets)