+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2013, Digium, Inc.
+ *
+ * Matt Jordan <mjordan@digium.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.
+ */
+
+/*! \file
+ *
+ * \brief Get information about a PJSIP endpoint
+ *
+ * \author \verbatim Matt Jordan <mjordan@digium.com> \endverbatim
+ *
+ * \ingroup functions
+ *
+ */
+
+/*** MODULEINFO
+ <support_level>core</support_level>
+ <depend>pjproject</depend>
+ <depend>res_pjsip</depend>
+ ***/
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include <pjsip.h>
+#include <pjlib.h>
+
+#include "asterisk/app.h"
+#include "asterisk/pbx.h"
+#include "asterisk/module.h"
+#include "asterisk/channel.h"
+#include "asterisk/sorcery.h"
+#include "asterisk/res_pjsip.h"
+
+/*** DOCUMENTATION
+ <function name="PJSIP_ENDPOINT" language="en_US">
+ <synopsis>
+ Get information about a PJSIP endpoint
+ </synopsis>
+ <syntax>
+ <parameter name="name" required="true">
+ <para>The name of the endpoint to query.</para>
+ </parameter>
+ <parameter name="field" required="true">
+ <para>The configuration option for the endpoint to query for.
+ Supported options are those fields on the
+ <replaceable>endpoint</replaceable> object in
+ <filename>pjsip.conf</filename>.</para>
+ <enumlist>
+ <configOptionToEnum>
+ <xi:include xpointer="xpointer(/docs/configInfo[@name='res_pjsip']/configFile[@name='pjsip.conf']/configObject[@name='endpoint']/configOption)"/>
+ </configOptionToEnum>
+ </enumlist>
+ </parameter>
+ </syntax>
+ </function>
+***/
+
+static int pjsip_endpoint_function_read(struct ast_channel *chan,
+ const char *cmd, char *data, struct ast_str **buf, ssize_t len)
+{
+ struct ast_sorcery *pjsip_sorcery;
+ char *parsed_data = ast_strdupa(data);
+ RAII_VAR(void *, endpoint_obj, NULL, ao2_cleanup);
+ struct ast_variable *change_set;
+ struct ast_variable *it_change_set;
+ int res;
+
+ AST_DECLARE_APP_ARGS(args,
+ AST_APP_ARG(endpoint_name);
+ AST_APP_ARG(field_name);
+ );
+
+ /* Check for zero arguments */
+ if (ast_strlen_zero(parsed_data)) {
+ ast_log(AST_LOG_ERROR, "Cannot call %s without arguments\n", cmd);
+ return -1;
+ }
+
+ AST_STANDARD_APP_ARGS(args, parsed_data);
+
+ if (ast_strlen_zero(args.endpoint_name)) {
+ ast_log(AST_LOG_ERROR, "Cannot call %s without an endpoint name to query\n", cmd);
+ return -1;
+ }
+
+ if (ast_strlen_zero(args.field_name)) {
+ ast_log(AST_LOG_ERROR, "Cannot call %s with an empty field name to query\n", cmd);
+ return -1;
+ }
+
+ pjsip_sorcery = ast_sip_get_sorcery();
+ if (!pjsip_sorcery) {
+ ast_log(AST_LOG_ERROR, "Unable to retrieve PJSIP configuration: sorcery object is NULL\n");
+ return -1;
+ }
+
+ endpoint_obj = ast_sorcery_retrieve_by_id(pjsip_sorcery, "endpoint", args.endpoint_name);
+ if (!endpoint_obj) {
+ ast_log(AST_LOG_WARNING, "Failed to retrieve information for endpoint '%s'\n", args.endpoint_name);
+ return -1;
+ }
+
+ change_set = ast_sorcery_objectset_create(pjsip_sorcery, endpoint_obj);
+ if (!change_set) {
+ ast_log(AST_LOG_WARNING, "Failed to retrieve information for endpoint '%s': change set is NULL\n", args.endpoint_name);
+ return -1;
+ }
+
+ for (it_change_set = change_set; it_change_set; it_change_set = it_change_set->next) {
+ if (!strcmp(it_change_set->name, args.field_name)) {
+ if (!strcmp(it_change_set->name, "disallow")) {
+ ast_str_set(buf, len, "!%s", it_change_set->value);
+ } else {
+ ast_str_set(buf, len, "%s", it_change_set->value);
+ }
+ break;
+ }
+ }
+
+ res = it_change_set ? 0 : 1;
+ if (res) {
+ ast_log(AST_LOG_WARNING, "Unknown property '%s' for PJSIP endpoint\n", args.field_name);
+ }
+
+ ast_variables_destroy(change_set);
+
+ return res;
+}
+
+
+static struct ast_custom_function pjsip_endpoint_function = {
+ .name = "PJSIP_ENDPOINT",
+ .read2 = pjsip_endpoint_function_read,
+};
+
+static int unload_module(void)
+{
+ return ast_custom_function_unregister(&pjsip_endpoint_function);
+}
+
+static int load_module(void)
+{
+ return ast_custom_function_register(&pjsip_endpoint_function);
+}
+
+AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Get information about a PJSIP endpoint");
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