aboutsummaryrefslogtreecommitdiffstats
path: root/apps/app_softhangup.c
blob: a29233f1f636acba72ef1bf2ddee36edc376ab16 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 1999 - 2005, Digium, Inc.
 *
 * Mark Spencer <markster@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 SoftHangup application
 *
 * \author Mark Spencer <markster@digium.com>
 * 
 * \ingroup applications
 */

#include "asterisk.h"

ASTERISK_FILE_VERSION(__FILE__, "$Revision$")

#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/lock.h"
#include "asterisk/app.h"

/*** DOCUMENTATION
	<application name="SoftHangup" language="en_US">
		<synopsis>
			Hangs up the requested channel.
		</synopsis>
		<syntax>
			<parameter name="Technology/Resource" required="true" />
			<parameter name="options">
				<optionlist>
					<option name="a">
						<para>Hang up all channels on a specified device instead of a single resource</para>
					</option>
				</optionlist>
			</parameter>
		</syntax>	
		<description>
			<para>Hangs up the requested channel.  If there are no channels to 
			hangup, the application will report it.</para>
		</description>
	</application>

 ***/

static char *app = "SoftHangup";

enum {
	OPTION_ALL = (1 << 0),
};

AST_APP_OPTIONS(app_opts,{
	AST_APP_OPTION('a', OPTION_ALL),
});

static int softhangup_exec(struct ast_channel *chan, void *data)
{
	struct ast_channel *c = NULL;
	char *cut, *opts[0];
	char name[AST_CHANNEL_NAME] = "", *parse;
	struct ast_flags flags = {0};
	int lenmatch;
	AST_DECLARE_APP_ARGS(args,
		AST_APP_ARG(channel);
		AST_APP_ARG(options);
	);
	
	if (ast_strlen_zero(data)) {
		ast_log(LOG_WARNING, "SoftHangup requires an argument (Technology/resource)\n");
		return 0;
	}

	parse = ast_strdupa(data);
	AST_STANDARD_APP_ARGS(args, parse);

	if (args.argc == 2)
		ast_app_parse_options(app_opts, &flags, opts, args.options);
	lenmatch = strlen(args.channel);

	for (c = ast_walk_channel_by_name_prefix_locked(NULL, args.channel, lenmatch);
		 c;
		 c = ast_walk_channel_by_name_prefix_locked(c, args.channel, lenmatch)) {
		ast_copy_string(name, c->name, sizeof(name));
		if (ast_test_flag(&flags, OPTION_ALL)) {
			/* CAPI is set up like CAPI[foo/bar]/clcnt */ 
			if (!strcmp(c->tech->type, "CAPI")) {
				cut = strrchr(name, '/');
			/* Basically everything else is Foo/Bar-Z */
			} else {
				/* use strrchr() because Foo/Bar-Z could actually be Foo/B-a-r-Z */
				cut = strrchr(name,'-');
			}
			/* Get rid of what we've cut */
			if (cut)
				*cut = 0;
		}
		if (!strcasecmp(name, args.channel)) {
			ast_log(LOG_WARNING, "Soft hanging %s up.\n", c->name);
			ast_softhangup(c, AST_SOFTHANGUP_EXPLICIT);
			if (!ast_test_flag(&flags, OPTION_ALL)) {
				ast_channel_unlock(c);
				break;
			}
		}
		ast_channel_unlock(c);
	}

	return 0;
}

static int unload_module(void)
{
	return ast_unregister_application(app);
}

static int load_module(void)
{
	return ast_register_application_xml(app, softhangup_exec);
}

AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Hangs up the requested channel");