Add the client address to the request header

sanic/server.py

@@ -114,6 +114,11 @@ class HttpProtocol(asyncio.Protocol):
         self.headers.append((name.decode(), value.decode('utf-8')))
 
     def on_headers_complete(self):
+
+        ra = self.transport.get_extra_info('peername')
+        if ra:
+             self.headers.append(('Remote-Addr','%s:%s' % ra))
+                     
         self.request = Request(
             url_bytes=self.url,
             headers=dict(self.headers),