From 28adb54c0a95b7134a5c5db35e7d3af3faba448b Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Sun, 18 Aug 2024 13:33:16 -0400
Subject: [PATCH] don't send quick ack for each duplicated packet

---
 libi2pd/Streaming.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/libi2pd/Streaming.cpp b/libi2pd/Streaming.cpp
index bc1672fe..2f4d5c21 100644
--- a/libi2pd/Streaming.cpp
+++ b/libi2pd/Streaming.cpp
@@ -237,8 +237,14 @@ namespace stream
  					UpdateCurrentRemoteLease ();
  				}
  				m_PreviousReceivedSequenceNumber = receivedSeqn;
-				SendQuickAck (); // resend ack for previous message again
 				m_LocalDestination.DeletePacket (packet); // packet dropped
+				if (!m_IsAckSendScheduled)
+				{
+					SendQuickAck (); // resend ack for previous message again
+					auto ackTimeout = m_RTT/10;
+					if (ackTimeout > m_AckDelay) ackTimeout = m_AckDelay;
+					ScheduleAck (ackTimeout);
+				}
 			}
 			else
 			{