134 lines
3.3 KiB
C
134 lines
3.3 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief App to send DTMF digits
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*
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* \author Mark Spencer <markster@digium.com>
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*
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* \ingroup applications
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*/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/lock.h"
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#include "asterisk/file.h"
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#include "asterisk/logger.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/module.h"
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#include "asterisk/translate.h"
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#include "asterisk/options.h"
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#include "asterisk/utils.h"
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#include "asterisk/app.h"
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#include "asterisk/manager.h"
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static char *app = "SendDTMF";
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static char *synopsis = "Sends arbitrary DTMF digits";
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static char *descrip =
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" SendDTMF(digits[,timeout_ms]): Sends DTMF digits on a channel. \n"
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" Accepted digits: 0-9, *#abcd, w (.5s pause)\n"
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" The application will either pass the assigned digits or terminate if it\n"
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" encounters an error.\n";
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static int senddtmf_exec(struct ast_channel *chan, void *vdata)
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{
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int res = 0;
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char *data;
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int timeout = 0, duration = 0;
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AST_DECLARE_APP_ARGS(args,
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AST_APP_ARG(digits);
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AST_APP_ARG(timeout);
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AST_APP_ARG(duration);
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);
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if (ast_strlen_zero(vdata)) {
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ast_log(LOG_WARNING, "SendDTMF requires an argument (digits or *#aAbBcCdD)\n");
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return 0;
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}
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data = ast_strdupa(vdata);
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AST_STANDARD_APP_ARGS(args, data);
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if (!ast_strlen_zero(args.timeout))
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timeout = atoi(args.timeout);
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if (!ast_strlen_zero(args.duration))
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duration = atoi(args.duration);
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res = ast_dtmf_stream(chan, NULL, args.digits, timeout <= 0 ? 250 : timeout, duration);
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return res;
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}
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static char mandescr_playdtmf[] =
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"Description: Plays a dtmf digit on the specified channel.\n"
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"Variables: (all are required)\n"
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" Channel: Channel name to send digit to\n"
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" Digit: The dtmf digit to play\n";
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static int manager_play_dtmf(struct mansession *s, const struct message *m)
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{
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const char *channel = astman_get_header(m, "Channel");
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const char *digit = astman_get_header(m, "Digit");
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struct ast_channel *chan = ast_get_channel_by_name_locked(channel);
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if (!chan) {
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astman_send_error(s, m, "Channel not specified");
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return 0;
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}
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if (!digit) {
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astman_send_error(s, m, "No digit specified");
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ast_channel_unlock(chan);
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return 0;
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}
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ast_senddigit(chan, *digit, 0);
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ast_channel_unlock(chan);
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astman_send_ack(s, m, "DTMF successfully queued");
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return 0;
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}
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static int unload_module(void)
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{
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int res;
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res = ast_unregister_application(app);
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res |= ast_manager_unregister("PlayDTMF");
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return res;
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}
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static int load_module(void)
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{
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int res;
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res = ast_manager_register2( "PlayDTMF", EVENT_FLAG_CALL, manager_play_dtmf, "Play DTMF signal on a specific channel.", mandescr_playdtmf );
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res |= ast_register_application(app, senddtmf_exec, synopsis, descrip);
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return res;
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Send DTMF digits Application");
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