From a74ec7bb2d7cb6930f2fcef30fb5ba3b8691e464 Mon Sep 17 00:00:00 2001
From: Vincent van Dam <joyrex2001@gmail.com>
Date: Mon, 6 Mar 2017 15:06:43 +0100
Subject: [PATCH] Add SendKeepAlive method to send "whitespace keepalive"

---
 xmpp.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/xmpp.go b/xmpp.go
index 7769a0c..84c4ad4 100644
--- a/xmpp.go
+++ b/xmpp.go
@@ -633,6 +633,11 @@ func (c *Client) SendPresence(presence Presence) (n int, err error) {
 	return fmt.Fprintf(c.conn, "<presence from='%s' to='%s'/>", xmlEscape(presence.From), xmlEscape(presence.To))
 }
 
+// SendKeepAlive sends a "whitespace keepalive" as described in chapter 4.6.1 of RFC6120.
+func (c *Client) SendKeepAlive() (n int, err error) {
+	return fmt.Fprintf(c.conn," ")
+}
+
 // SendHtml sends the message as HTML as defined by XEP-0071
 func (c *Client) SendHtml(chat Chat) (n int, err error) {
 	return fmt.Fprintf(c.conn, "<message to='%s' type='%s' xml:lang='en'>"+