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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 transmit a text message
*
* \author Mark Spencer <markster@digium.com>
*
* \note Requires support of sending text messages from channel driver
*
* \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/app.h"
static const char *app = "SendText";
static const char *synopsis = "Send a Text Message";
static const char *descrip =
" SendText(text): Sends text to current channel (callee).\n"
"Result of transmission will be stored in the SENDTEXTSTATUS\n"
"channel variable:\n"
" SUCCESS Transmission succeeded\n"
" FAILURE Transmission failed\n"
" UNSUPPORTED Text transmission not supported by channel\n"
"\n"
"At this moment, text is supposed to be 7 bit ASCII in most channels.\n";
static int sendtext_exec(struct ast_channel *chan, void *data)
{
int res = 0;
char *status = "UNSUPPORTED";
char *parse = NULL;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(text);
);
/* NOT ast_strlen_zero, because some protocols (e.g. SIP) MUST be able to
* send a zero-length message. */
if (!data) {
ast_log(LOG_WARNING, "SendText requires an argument (text)\n");
return -1;
} else
parse = ast_strdupa(data);
AST_STANDARD_APP_ARGS(args, parse);
ast_channel_lock(chan);
if (!chan->tech->send_text) {
ast_channel_unlock(chan);
/* Does not support transport */
pbx_builtin_setvar_helper(chan, "SENDTEXTSTATUS", status);
return 0;
}
status = "FAILURE";
ast_channel_unlock(chan);
res = ast_sendtext(chan, args.text);
if (!res)
status = "SUCCESS";
pbx_builtin_setvar_helper(chan, "SENDTEXTSTATUS", status);
return 0;
}
static int unload_module(void)
{
return ast_unregister_application(app);
}
static int load_module(void)
{
return ast_register_application(app, sendtext_exec, synopsis, descrip);
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Send Text Applications");
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