From f408f93344334d6e04f783da50eb501a3401bec9 Mon Sep 17 00:00:00 2001
From: "crypro.zoidberg" <crypto.zoidberg@gmail.com>
Date: Mon, 22 Apr 2019 18:43:39 +0200
Subject: [PATCH] be sure that connection is closed on sentque overflow

---
 contrib/epee/include/net/abstract_tcp_server2.inl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/contrib/epee/include/net/abstract_tcp_server2.inl b/contrib/epee/include/net/abstract_tcp_server2.inl
index 15ce8441..c59c60e0 100644
--- a/contrib/epee/include/net/abstract_tcp_server2.inl
+++ b/contrib/epee/include/net/abstract_tcp_server2.inl
@@ -316,6 +316,7 @@ DISABLE_VS_WARNINGS(4355)
       send_guard.unlock();//manual unlock
       LOG_ERROR("send to [" << print_connection_context_short(context) << ", (" << (void*)this << ")] que size is more than ABSTRACT_SERVER_SEND_QUE_MAX_COUNT(" << ABSTRACT_SERVER_SEND_QUE_MAX_COUNT << "), shutting down connection");
       close();
+      shutdown(); 
       return false;
     }
 
@@ -351,6 +352,8 @@ DISABLE_VS_WARNINGS(4355)
   template<class t_protocol_handler>
   bool connection<t_protocol_handler>::shutdown()
   {
+    if (m_was_shutdown)
+      return true;
     // Initiate graceful connection closure.
     boost::system::error_code ignored_ec;
     socket_.shutdown(boost::asio::ip::tcp::socket::shutdown_both, ignored_ec);