From 87eef545e13d5c4229e90c92ec9b0acbf697db04 Mon Sep 17 00:00:00 2001
From: Julien Duponchelle <julien@duponchelle.info>
Date: Tue, 23 Feb 2016 16:54:12 +0100
Subject: [PATCH] Correctly close the telnet connection for docker

Fix #427
---
 gns3server/utils/asyncio/telnet_server.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gns3server/utils/asyncio/telnet_server.py b/gns3server/utils/asyncio/telnet_server.py
index 72731ddd..cdc7fcd2 100644
--- a/gns3server/utils/asyncio/telnet_server.py
+++ b/gns3server/utils/asyncio/telnet_server.py
@@ -82,6 +82,9 @@ class AsyncioTelnetServer:
             yield from self._process(network_reader, network_writer)
         except ConnectionResetError:
             with (yield from self._lock):
+
+                network_writer.close()
+
                 if self._reader_process == network_reader:
                     self._reader_process = None
                     # Cancel current read from this reader