From 42a293213b1dd03e862b24b62b7902d1f18de16c Mon Sep 17 00:00:00 2001
From: Brian Warner <warner@lothar.com>
Date: Tue, 10 Sep 2019 23:14:29 -0700
Subject: [PATCH] enable SO_KEEPALIVE on all connections

This timeout is notoriously long (about two hours), but it might eventually
prune stuck connections.

refs #9
---
 src/wormhole_transit_relay/transit_server.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/wormhole_transit_relay/transit_server.py b/src/wormhole_transit_relay/transit_server.py
index fed1264..fd287fc 100644
--- a/src/wormhole_transit_relay/transit_server.py
+++ b/src/wormhole_transit_relay/transit_server.py
@@ -46,6 +46,7 @@ class TransitConnection(protocol.Protocol):
     def connectionMade(self):
         self._started = time.time()
         self._log_requests = self.factory._log_requests
+        self.transport.setTcpKeepAlive(True)
 
     def dataReceived(self, data):
         if self._sent_ok: