From a9ca26c6985d10d1c86a33c56b06c1ae679cda0f Mon Sep 17 00:00:00 2001
From: Joseph Henry <josephjah@gmail.com>
Date: Thu, 7 Jun 2018 12:58:07 -0700
Subject: Added TX queue cap for issue #769

---
 node/Switch.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'node/Switch.cpp')

diff --git a/node/Switch.cpp b/node/Switch.cpp
index eb1ebadb..3fa8c31d 100644
--- a/node/Switch.cpp
+++ b/node/Switch.cpp
@@ -503,6 +503,9 @@ void Switch::send(void *tPtr,Packet &packet,bool encrypt)
 	if (!_trySend(tPtr,packet,encrypt)) {
 		{
 			Mutex::Lock _l(_txQueue_m);
+			if (_txQueue.size() >= ZT_TX_QUEUE_SIZE) {
+				_txQueue.pop_front();
+			}
 			_txQueue.push_back(TXQueueEntry(dest,RR->node->now(),packet,encrypt));
 		}
 		if (!RR->topology->getPeer(tPtr,dest))
-- 
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