Don't do SIP contact/route DNS if we're not using the result.
[asterisk/asterisk.git] / apps / app_celgenuserevent.c
1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 2008, Digium, Inc
5  *
6  * See http://www.asterisk.org for more information about
7  * the Asterisk project. Please do not directly contact
8  * any of the maintainers of this project for assistance;
9  * the project provides a web site, mailing lists and IRC
10  * channels for your use.
11  *
12  * This program is free software, distributed under the terms of
13  * the GNU General Public License Version 2. See the LICENSE file
14  * at the top of the source tree.
15  */
16
17 /*! \file
18  *
19  * \brief Generate User-Defined CEL event
20  *
21  * \author Steve Murphy
22  *
23  * \ingroup applications
24  */
25
26 /*** MODULEINFO
27         <support_level>core</support_level>
28  ***/
29
30 #include "asterisk.h"
31
32 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
33
34 #include "asterisk/module.h"
35 #include "asterisk/app.h"
36 #include "asterisk/channel.h"
37 #include "asterisk/cel.h"
38
39 /*** DOCUMENTATION
40         <application name="CELGenUserEvent" language="en_US">
41                 <synopsis>
42                         Generates a CEL User Defined Event.
43                 </synopsis>
44                 <syntax>
45                         <parameter name="event-name" required="true">
46                                 <argument name="event-name" required="true">
47                                 </argument>
48                                 <argument name="extra" required="false">
49                                         <para>Extra text to be included with the event.</para>
50                                 </argument>
51                         </parameter>
52                 </syntax>
53                 <description>
54                         <para>A CEL event will be immediately generated by this channel, with the supplied name for a type.</para>
55                 </description>
56         </application>
57  ***/
58
59 static char *app = "CELGenUserEvent";
60
61 static int celgenuserevent_exec(struct ast_channel *chan, const char *data)
62 {
63         int res = 0;
64         char *parse;
65         AST_DECLARE_APP_ARGS(args,
66                 AST_APP_ARG(event);
67                 AST_APP_ARG(extra);
68         );
69
70         if (ast_strlen_zero(data)) {
71                 return 0;
72         }
73
74         parse = ast_strdupa(data);
75         AST_STANDARD_APP_ARGS(args, parse);
76
77         ast_cel_report_event(chan, AST_CEL_USER_DEFINED, args.event, args.extra, NULL);
78         return res;
79 }
80
81 static int unload_module(void)
82 {
83         int res;
84
85         res = ast_unregister_application(app);
86
87         ast_module_user_hangup_all();
88
89         return res;
90 }
91
92 static int load_module(void)
93 {
94         int res = ast_register_application_xml(app, celgenuserevent_exec);
95         if (res) {
96                 return AST_MODULE_LOAD_DECLINE;
97         } else {
98                 return AST_MODULE_LOAD_SUCCESS;
99         }
100 }
101
102 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Generate an User-Defined CEL event",
103                                 .load = load_module,
104                                 .unload = unload_module,
105         );