[asterisk-commits] mjordan: branch 13 r434506 - in /branches/13: ./ res/

SVN commits to the Asterisk project asterisk-commits at lists.digium.com
Thu Apr 9 10:42:18 CDT 2015


Author: mjordan
Date: Thu Apr  9 10:42:16 2015
New Revision: 434506

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=434506
Log:
res/res_pjsip_dlg_options: Add a module to handle in-dialog OPTIONS requests

This patch adds a new session supplement that handles in-dialog OPTIONS
requests. Said OPTIONS requests are sent a 200 OK, as an endpoint lookup
for the OPTIONS request would already have been done by the time the
session supplement receives the inbound request.

ASTERISK-24862 #close
Reported by: yaron nahum
patches:
  res_pjsip_dlg_options.c submitted by yaron nahum (License 6676)

Added:
    branches/13/res/res_pjsip_dlg_options.c   (with props)
Modified:
    branches/13/UPGRADE.txt

Modified: branches/13/UPGRADE.txt
URL: http://svnview.digium.com/svn/asterisk/branches/13/UPGRADE.txt?view=diff&rev=434506&r1=434505&r2=434506
==============================================================================
--- branches/13/UPGRADE.txt (original)
+++ branches/13/UPGRADE.txt Thu Apr  9 10:42:16 2015
@@ -21,6 +21,13 @@
 === UPGRADE-12.txt  -- Upgrade info for 11 to 12
 ===========================================================
 
+From 13.3.0 to 13.4.0:
+
+res_pjsip_dlg_options:
+ - A new module, this handles OPTIONS requests sent in-dialog. This module
+   should have no adverse effects for those upgrading; this note merely
+   serves as an indication that a new module exists.
+
 From 13.2.0 to 13.3.0:
 
 chan_dahdi:

Added: branches/13/res/res_pjsip_dlg_options.c
URL: http://svnview.digium.com/svn/asterisk/branches/13/res/res_pjsip_dlg_options.c?view=auto&rev=434506
==============================================================================
--- branches/13/res/res_pjsip_dlg_options.c (added)
+++ branches/13/res/res_pjsip_dlg_options.c Thu Apr  9 10:42:16 2015
@@ -1,0 +1,107 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2015, Digium, Inc.
+ *
+ * Yaron Nahum <nachum.yaron at gmail.com>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/***  MODULEINFO
+	<depend>pjproject</depend>
+	<depend>res_pjsip</depend>
+	<depend>res_pjsip_session</depend>
+	<support_level>core</support_level>
+***/
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include <pjsip.h>
+#include <pjsip_ua.h>
+#include <pjlib.h>
+
+#include "asterisk/module.h"
+#include "asterisk/res_pjsip.h"
+#include "asterisk/res_pjsip_session.h"
+
+#define DEFAULT_LANGUAGE "en"
+#define DEFAULT_ENCODING "text/plain"
+
+static int options_incoming_request(struct ast_sip_session *session, pjsip_rx_data *rdata)
+{
+	pjsip_tx_data *tdata;
+        pj_status_t status;
+	const pjsip_hdr *hdr;
+	pjsip_endpoint *endpt = ast_sip_get_pjsip_endpoint();
+
+	status = pjsip_dlg_create_response(session->inv_session->dlg, rdata, 200, NULL,&tdata);
+	if (status != PJ_SUCCESS) {
+		ast_log(LOG_ERROR, "Unable to create response (%d)\n", status);
+		return status;
+	}
+
+	/* Add appropriate headers */
+	if ((hdr = pjsip_endpt_get_capability(endpt, PJSIP_H_ACCEPT, NULL))) {
+		pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)pjsip_hdr_clone(tdata->pool, hdr));
+	}
+	if ((hdr = pjsip_endpt_get_capability(endpt, PJSIP_H_ALLOW, NULL))) {
+		pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)pjsip_hdr_clone(tdata->pool, hdr));
+	}
+	if ((hdr = pjsip_endpt_get_capability(endpt, PJSIP_H_SUPPORTED, NULL))) {
+		pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)pjsip_hdr_clone(tdata->pool, hdr));
+	}
+
+	/*
+	 * XXX TODO: pjsip doesn't care a lot about either of these headers -
+	 * while it provides specific methods to create them, they are defined
+	 * to be the standard string header creation. We never did add them
+	 * in chan_sip, although RFC 3261 says they SHOULD. Hard coded here.
+	*/
+	ast_sip_add_header(tdata, "Accept-Encoding", DEFAULT_ENCODING);
+	ast_sip_add_header(tdata, "Accept-Language", DEFAULT_LANGUAGE);
+
+	status = pjsip_dlg_send_response(session->inv_session->dlg, pjsip_rdata_get_tsx(rdata), tdata);
+	if (status != PJ_SUCCESS) {
+		ast_log(LOG_ERROR, "Unable to send response (%d)\n", status);
+	}
+
+	return status;
+}
+
+static struct ast_sip_session_supplement  dlg_options_supplement = {
+	.method = "OPTIONS",
+	.incoming_request = options_incoming_request,
+};
+
+static int load_module(void)
+{
+	CHECK_PJSIP_MODULE_LOADED();
+
+	if (ast_sip_session_register_supplement(&dlg_options_supplement)) {
+		return AST_MODULE_LOAD_DECLINE;
+	}
+	return AST_MODULE_LOAD_SUCCESS;
+}
+
+static int unload_module(void)
+{
+	ast_sip_session_unregister_supplement(&dlg_options_supplement);
+	return 0;
+}
+
+AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "SIP OPTIONS in dialog handler",
+	.load = load_module,
+	.unload = unload_module,
+	.load_pri = AST_MODPRI_APP_DEPEND,
+);

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