From 36ac717872e69137dbd7cc916aedea035004f10b Mon Sep 17 00:00:00 2001
From: Zev Benjamin <zev@humbughq.com>
Date: Thu, 28 Mar 2013 17:39:43 -0400
Subject: [PATCH] Lower the server-side heartbeat frequency slightly so its
 maximum value is less than 60

(imported from commit d61e12a985d833843c9ae757465701f0057d5ee8)
---
 zephyr/lib/event_queue.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/zephyr/lib/event_queue.py b/zephyr/lib/event_queue.py
index f9c5a3fd75..ef957697ff 100644
--- a/zephyr/lib/event_queue.py
+++ b/zephyr/lib/event_queue.py
@@ -14,7 +14,12 @@ import tornado
 import random
 
 IDLE_EVENT_QUEUE_TIMEOUT_SECS = 60 * 10
-HEARTBEAT_MIN_FREQ_SECS = 50
+# The heartbeats effectively act as a server-side timeout for
+# get_events().  The actual timeout value is randomized for each
+# client connection based on the below value.  We ensure that the
+# maximum timeout value is 55 seconds, to deal with crappy home
+# wireless routers that kill "inactive" http connections.
+HEARTBEAT_MIN_FREQ_SECS = 45
 
 class ClientDescriptor(object):
     def __init__(self, user_profile_id, id, event_types=None, apply_markdown=True):