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;; jabber-si-client.el - send stream requests, by JEP-0095
;; Copyright (C) 2004 - Magnus Henoch - mange@freemail.hu
;; 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-feature-neg)
(require 'jabber-si-common)
(defun jabber-si-initiate (jc jid profile-namespace profile-data profile-function &optional mime-type)
"Try to initiate a stream to JID.
PROFILE-NAMESPACE is, well, the namespace of the profile to use.
PROFILE-DATA is the XML data to send within the SI request.
PROFILE-FUNCTION is the \"connection established\" function.
See `jabber-si-stream-methods'.
MIME-TYPE is the MIME type to specify.
Returns the SID."
(let ((sid (apply 'format "emacs-sid-%d.%d.%d" (current-time))))
(jabber-send-iq jc jid "set"
`(si ((xmlns . "http://jabber.org/protocol/si")
(id . ,sid)
,(if mime-type
(cons 'mime-type mime-type))
(profile . ,profile-namespace))
,profile-data
(feature ((xmlns . "http://jabber.org/protocol/feature-neg"))
,(jabber-fn-encode (list
(cons "stream-method"
(mapcar 'car jabber-si-stream-methods)))
'request)))
#'jabber-si-initiate-process (cons profile-function sid)
;; XXX: use other function here?
#'jabber-report-success "Stream initiation")
sid))
(defun jabber-si-initiate-process (jc xml-data closure-data)
"Act on response to our SI query."
(let* ((profile-function (car closure-data))
(sid (cdr closure-data))
(from (jabber-xml-get-attribute xml-data 'from))
(query (jabber-iq-query xml-data))
(feature-node (car (jabber-xml-get-children query 'feature)))
(feature-alist (jabber-fn-parse feature-node 'response))
(chosen-method (cadr (assoc "stream-method" feature-alist)))
(method-data (assoc chosen-method jabber-si-stream-methods)))
;; Our work is done. Hand it over to the stream method.
(let ((stream-negotiate (nth 1 method-data)))
(funcall stream-negotiate jc from sid profile-function))))
(provide 'jabber-si-client)
;;; arch-tag: e14ec451-3f18-4f36-b92a-e8a8aa1f5acd
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