From 225f29abf416416c9b9dfe5ebec7067a7385f301 Mon Sep 17 00:00:00 2001
From: Christian Decker <decker.christian@gmail.com>
Date: Sat, 18 Mar 2017 16:06:52 +0100
Subject: [PATCH] pylightning: RPC returns a failure if the connection is lost

---
 contrib/pylightning/lightning/lightning.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/contrib/pylightning/lightning/lightning.py b/contrib/pylightning/lightning/lightning.py
index 0550a281c..437ea3087 100644
--- a/contrib/pylightning/lightning/lightning.py
+++ b/contrib/pylightning/lightning/lightning.py
@@ -21,7 +21,10 @@ class UnixDomainSocketRpc(object):
         buff = b''
         while True:
             try:
-                buff += sock.recv(1024)
+                b = sock.recv(1024)
+                buff += b
+                if len(b) == 0:
+                    return {'error': 'Connection to RPC server lost.'}
                 # Convert late to UTF-8 so glyphs split across recvs do not
                 # impact us
                 objs, _ = self.decoder.raw_decode(buff.decode("UTF-8"))