From 2779e93cacb8f92a7b45a2559948fb6d3b552594 Mon Sep 17 00:00:00 2001
From: sorz <orz@sorz.org>
Date: Wed, 30 Aug 2017 03:08:10 +1000
Subject: [PATCH] Set TCP_NODELAY by default

To reduce latency.
It's already default since Python 3.6, but we need it also on 3.5.
---
 sstpd/__main__.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sstpd/__main__.py b/sstpd/__main__.py
index 216ecb3..a8062d1 100755
--- a/sstpd/__main__.py
+++ b/sstpd/__main__.py
@@ -2,6 +2,7 @@
 import sys
 import logging
 import argparse
+from socket import IPPROTO_TCP, TCP_NODELAY
 from configparser import SafeConfigParser, NoSectionError
 import ssl
 import asyncio
@@ -154,6 +155,10 @@ def main():
                                   ssl=ssl_ctx)
     server = loop.run_until_complete(coro)
 
+    if not on_unix_socket:
+        for sock in server.sockets:
+            sock.setsockopt(IPPROTO_TCP, TCP_NODELAY, 1)
+
     if args.proxy_protocol:
         logging.info('PROXY PROTOCOL is activated.')
     if on_unix_socket: