From ff89185f98bb33009c0d9260260e3660c7f8c9f6 Mon Sep 17 00:00:00 2001
From: Matt Titmus <matthew.titmus@gmail.com>
Date: Sun, 8 Jan 2017 15:38:08 -0500
Subject: [PATCH] If no status updates to emit include a few known nodes

---
 membership.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/membership.go b/membership.go
index 0524011..b12fa1a 100644
--- a/membership.go
+++ b/membership.go
@@ -455,6 +455,12 @@ func transmitVerbGenericUDP(node *Node, forwardTo *Node, verb messageVerb, code
 
 	// Add members for update.
 	nodes := getRandomUpdatedNodes(pingRequestCount(), node, thisHost)
+
+	// No updates to distribute? Send out a few updates on other known nodes.
+	if len(nodes) == 0 {
+		nodes = knownNodes.getRandomNodes(pingRequestCount(), node, thisHost)
+	}
+
 	for _, n := range nodes {
 		err = msg.addMember(n, n.status, n.heartbeat)