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;; jabber-ping.el - XMPP "Ping" by XEP-0199
;; Copyright (C) 2009 - Evgenii Terechkov - evg@altlinux.org
;; This file is a part of jabber.el.
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program; if not, write to the Free Software
;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(require 'jabber-iq)
(require 'jabber-util)
(require 'jabber-menu)
(require 'jabber-disco)
(add-to-list 'jabber-jid-info-menu
(cons "Ping" 'jabber-ping))
(defun jabber-ping-send (jc to process-func on-success on-error)
"Send XEP-0199 ping IQ stanza. JC is connection to use, TO is
full JID, PROCESS-FUNC is fucntion to call to process result,
ON-SUCCESS and ON-ERROR is arg for this function depending on
result."
(jabber-send-iq jc to "get"
'(ping ((xmlns . "urn:xmpp:ping")))
process-func on-success
process-func on-error))
(defun jabber-ping (to)
"Ping XMPP entity. TO is full JID. All connected JIDs is used."
(interactive (list (jabber-read-jid-completing "Send ping to: " nil nil nil 'full)))
(dolist (jc jabber-connections)
(jabber-ping-send jc to 'jabber-silent-process-data 'jabber-process-ping "Ping is unsupported")))
;; called by jabber-process-data
(defun jabber-process-ping (jc xml-data)
"Handle results from ping requests."
(let ((to (jabber-xml-get-attribute xml-data 'from)))
(format "%s is alive" to)))
(add-to-list 'jabber-iq-get-xmlns-alist (cons "urn:xmpp:ping" 'jabber-pong))
(jabber-disco-advertise-feature "urn:xmpp:ping")
(defun jabber-pong (jc xml-data)
"Return pong as defined in XEP-0199. Sender and Id are
determined from the incoming packet passed in XML-DATA."
(let ((to (jabber-xml-get-attribute xml-data 'from))
(id (jabber-xml-get-attribute xml-data 'id)))
(jabber-send-iq jc to "result" nil nil nil nil nil id)))
(provide 'jabber-ping)
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