From 6d8d3214e68410f59b5f147bd15ad5e844d28003 Mon Sep 17 00:00:00 2001
From: Andrew Godwin <andrew@aeracode.org>
Date: Wed, 2 Nov 2016 08:14:41 +0000
Subject: [PATCH] Fixed #422: No SERVER_PORT in request.META causes errors

---
 channels/handler.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/channels/handler.py b/channels/handler.py
index 1eab20c..214b44d 100644
--- a/channels/handler.py
+++ b/channels/handler.py
@@ -67,6 +67,9 @@ class AsgiRequest(http.HttpRequest):
         if self.message.get('server', None):
             self.META['SERVER_NAME'] = self.message['server'][0]
             self.META['SERVER_PORT'] = six.text_type(self.message['server'][1])
+        else:
+            self.META['SERVER_NAME'] = "unknown"
+            self.META['SERVER_PORT'] = "0"
         # Handle old style-headers for a transition period
         if "headers" in self.message and isinstance(self.message['headers'], dict):
             self.message['headers'] = [