From d6b495f2a71fb8a452f224c9fa33774b8387123b Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Tue, 19 Aug 2014 23:41:53 +0900
Subject: [PATCH] nghttpx: Returns 503 if downstream connect fail for https
 upstream

---
 src/shrpx_https_upstream.cc | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/shrpx_https_upstream.cc b/src/shrpx_https_upstream.cc
index ef867eee..f41f682e 100644
--- a/src/shrpx_https_upstream.cc
+++ b/src/shrpx_https_upstream.cc
@@ -375,7 +375,16 @@ int HttpsUpstream::on_read()
       handler->set_should_close_after_write(true);
       pause_read(SHRPX_MSG_BLOCK);
 
-      if(error_reply(400) != 0) {
+      unsigned int status_code;
+
+      if(downstream && downstream->get_request_state() ==
+         Downstream::CONNECT_FAIL) {
+        status_code = 503;
+      } else {
+        status_code = 400;
+      }
+
+      if(error_reply(status_code) != 0) {
         return -1;
       }