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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