From f689a77e568f3349118258d97fda3e407dab1be6 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Sun, 11 Feb 2018 23:20:24 +0000
Subject: [PATCH] Fix #602 Turn on socket keepalive

---
 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 870f6c2b2..5a886688b 100644
--- a/contrib/epee/include/net/abstract_tcp_server2.inl
+++ b/contrib/epee/include/net/abstract_tcp_server2.inl
@@ -935,6 +935,9 @@ POP_WARNINGS
         boost::bind(&boosted_tcp_server<t_protocol_handler>::handle_accept, this,
         boost::asio::placeholders::error));
 
+      boost::asio::socket_base::keep_alive opt(true);
+      conn->socket().set_option(opt);
+
       conn->start(true, 1 < m_threads_count);
       conn->save_dbg_log();
     }else