apps/app_sendtext.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 1999 - 2005, Digium, Inc.
   5  *
   6  * Mark Spencer <markster@digium.com>
   7  *
   8  * See http://www.asterisk.org for more information about
   9  * the Asterisk project. Please do not directly contact
  10  * any of the maintainers of this project for assistance;
  11  * the project provides a web site, mailing lists and IRC
  12  * channels for your use.
  13  *
  14  * This program is free software, distributed under the terms of
  15  * the GNU General Public License Version 2. See the LICENSE file
  16  * at the top of the source tree.
  17  */
  18
  19 /*! \file
  20  *
  21  * \brief App to transmit a text message
  22  *
  23  * \author Mark Spencer <markster@digium.com>
  24  *
  25  * \note Requires support of sending text messages from channel driver
  26  *
  27  * \ingroup applications
  28  */
  29
  30 #include "asterisk.h"
  31
  32 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  33
  34 #include "asterisk/file.h"
  35 #include "asterisk/channel.h"
  36 #include "asterisk/pbx.h"
  37 #include "asterisk/module.h"
  38 #include "asterisk/app.h"
  39
  40 static const char *app = "SendText";
  41
  42 static const char *synopsis = "Send a Text Message";
  43
  44 static const char *descrip =
  45 "  SendText(text[,options]): Sends text to current channel (callee).\n"
  46 "Result of transmission will be stored in the SENDTEXTSTATUS\n"
  47 "channel variable:\n"
  48 "      SUCCESS      Transmission succeeded\n"
  49 "      FAILURE      Transmission failed\n"
  50 "      UNSUPPORTED  Text transmission not supported by channel\n"
  51 "\n"
  52 "At this moment, text is supposed to be 7 bit ASCII in most channels.\n";
  53
  54 static int sendtext_exec(struct ast_channel *chan, void *data)
  55 {
  56         int res = 0;
  57         char *status = "UNSUPPORTED";
  58         char *parse = NULL;
  59         AST_DECLARE_APP_ARGS(args,
  60                 AST_APP_ARG(text);
  61                 AST_APP_ARG(options);
  62         );
  63
  64         if (ast_strlen_zero(data)) {
  65                 ast_log(LOG_WARNING, "SendText requires an argument (text[,options])\n");
  66                 return -1;
  67         } else
  68                 parse = ast_strdupa(data);
  69
  70         AST_STANDARD_APP_ARGS(args, parse);
  71
  72         if (args.options) {
  73         }
  74
  75         ast_channel_lock(chan);
  76         if (!chan->tech->send_text) {
  77                 ast_channel_unlock(chan);
  78                 /* Does not support transport */
  79                 return 0;
  80         }
  81         status = "FAILURE";
  82         ast_channel_unlock(chan);
  83         res = ast_sendtext(chan, args.text);
  84         if (!res)
  85                 status = "SUCCESS";
  86         pbx_builtin_setvar_helper(chan, "SENDTEXTSTATUS", status);
  87         return 0;
  88 }
  89
  90 static int unload_module(void)
  91 {
  92         return ast_unregister_application(app);
  93 }
  94
  95 static int load_module(void)
  96 {
  97         return ast_register_application(app, sendtext_exec, synopsis, descrip);
  98 }
  99
 100 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Send Text Applications");