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Diffstat (limited to 'trunk/apps/app_senddtmf.c')
-rw-r--r-- | trunk/apps/app_senddtmf.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/trunk/apps/app_senddtmf.c b/trunk/apps/app_senddtmf.c new file mode 100644 index 000000000..67bd4feaa --- /dev/null +++ b/trunk/apps/app_senddtmf.c @@ -0,0 +1,127 @@ +/* + * 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/pbx.h" +#include "asterisk/module.h" +#include "asterisk/app.h" +#include "asterisk/manager.h" +#include "asterisk/channel.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"); |