From 92f0200204e5f60acf1c924ee62c6314c8cf47a2 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Sat, 25 Mar 2017 08:47:06 +0800
Subject: [PATCH] client: zero length read indicates peer shutdown

---
 lib/service.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/service.c b/lib/service.c
index c7bb06fb..b7423014 100644
--- a/lib/service.c
+++ b/lib/service.c
@@ -566,7 +566,10 @@ lws_http_client_read(struct lws *wsi, char **buf, int *len)
 		return -1;
 	}
 
-	if (rlen <= 0)
+	if (rlen == 0)
+		return -1;
+
+	if (rlen < 0)
 		return 0;
 
 	*len = rlen;
@@ -1105,7 +1108,7 @@ drain:
 					wsi->protocol->callback,
 					wsi, LWS_CALLBACK_RECEIVE_CLIENT_HTTP,
 					wsi->user_space, NULL, 0)) {
-				lwsl_debug("LWS_CALLBACK_RECEIVE_CLIENT_HTTP closed it\n");
+				lwsl_notice("LWS_CALLBACK_RECEIVE_CLIENT_HTTP closed it\n");
 				goto close_and_handled;
 			}
 		}