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/*
* 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 App to send DTMF digits
*
* \author Mark Spencer <markster@digium.com>
*
* \ingroup applications
*/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
#include "asterisk/options.h"
#include "asterisk/utils.h"
#include "asterisk/app.h"
#include "asterisk/manager.h"
static char *app = "SendDTMF";
static char *synopsis = "Sends arbitrary DTMF digits";
static char *descrip =
" SendDTMF(digits[,timeout_ms]): Sends DTMF digits on a channel. \n"
" Accepted digits: 0-9, *#abcd, w (.5s pause)\n"
" The application will either pass the assigned digits or terminate if it\n"
" encounters an error.\n";
static int senddtmf_exec(struct ast_channel *chan, void *vdata)
{
int res = 0;
char *data;
int timeout = 0, duration = 0;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(digits);
AST_APP_ARG(timeout);
AST_APP_ARG(duration);
);
if (ast_strlen_zero(vdata)) {
ast_log(LOG_WARNING, "SendDTMF requires an argument (digits or *#aAbBcCdD)\n");
return 0;
}
data = ast_strdupa(vdata);
AST_STANDARD_APP_ARGS(args, data);
if (!ast_strlen_zero(args.timeout))
timeout = atoi(args.timeout);
if (!ast_strlen_zero(args.duration))
duration = atoi(args.duration);
res = ast_dtmf_stream(chan, NULL, args.digits, timeout <= 0 ? 250 : timeout, duration);
return res;
}
static char mandescr_playdtmf[] =
"Description: Plays a dtmf digit on the specified channel.\n"
"Variables: (all are required)\n"
" Channel: Channel name to send digit to\n"
" Digit: The dtmf digit to play\n";
static int manager_play_dtmf(struct mansession *s, const struct message *m)
{
const char *channel = astman_get_header(m, "Channel");
const char *digit = astman_get_header(m, "Digit");
struct ast_channel *chan = ast_get_channel_by_name_locked(channel);
if (!chan) {
astman_send_error(s, m, "Channel not specified");
return 0;
}
if (!digit) {
astman_send_error(s, m, "No digit specified");
ast_channel_unlock(chan);
return 0;
}
ast_senddigit(chan, *digit, 0);
ast_channel_unlock(chan);
astman_send_ack(s, m, "DTMF successfully queued");
return 0;
}
static int unload_module(void)
{
int res;
res = ast_unregister_application(app);
res |= ast_manager_unregister("PlayDTMF");
return res;
}
static int load_module(void)
{
int res;
res = ast_manager_register2( "PlayDTMF", EVENT_FLAG_CALL, manager_play_dtmf, "Play DTMF signal on a specific channel.", mandescr_playdtmf );
res |= ast_register_application(app, senddtmf_exec, synopsis, descrip);
return res;
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Send DTMF digits Application");
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