apps/app_channelredirect.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 2006, Sergey Basmanov
   5  *
   6  * See http://www.asterisk.org for more information about
   7  * the Asterisk project. Please do not directly contact
   8  * any of the maintainers of this project for assistance;
   9  * the project provides a web site, mailing lists and IRC
  10  * channels for your use.
  11  *
  12  * This program is free software, distributed under the terms of
  13  * the GNU General Public License Version 2. See the LICENSE file
  14  * at the top of the source tree.
  15  */
  16
  17 /*! \file
  18  *
  19  * \brief ChannelRedirect application
  20  *
  21  * \author Sergey Basmanov <sergey_basmanov@mail.ru>
  22  *
  23  * \ingroup applications
  24  */
  25
  26 #include "asterisk.h"
  27
  28 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  29
  30 #include "asterisk/file.h"
  31 #include "asterisk/channel.h"
  32 #include "asterisk/pbx.h"
  33 #include "asterisk/module.h"
  34 #include "asterisk/lock.h"
  35 #include "asterisk/app.h"
  36 #include "asterisk/features.h"
  37
  38 static char *app = "ChannelRedirect";
  39 static char *synopsis = "Redirects given channel to a dialplan target.";
  40 static char *descrip =
  41 "ChannelRedirect(channel,[[context,]extension,]priority)\n"
  42 "  Sends the specified channel to the specified extension priority\n"
  43 "This application sets the following channel variables upon completion:\n"
  44 "  CHANNELREDIRECT_STATUS - Are set to the result of the redirection\n"
  45 "                           either NOCHANNEL or SUCCESS\n";
  46
  47 static int asyncgoto_exec(struct ast_channel *chan, void *data)
  48 {
  49         int res = -1;
  50         char *info;
  51         struct ast_channel *chan2 = NULL;
  52
  53         AST_DECLARE_APP_ARGS(args,
  54                 AST_APP_ARG(channel);
  55                 AST_APP_ARG(label);
  56         );
  57
  58         if (ast_strlen_zero(data)) {
  59                 ast_log(LOG_WARNING, "%s requires an argument (channel,[[context,]exten,]priority)\n", app);
  60                 return -1;
  61         }
  62
  63         info = ast_strdupa(data);
  64         AST_STANDARD_APP_ARGS(args, info);
  65
  66         if (ast_strlen_zero(args.channel) || ast_strlen_zero(args.label)) {
  67                 ast_log(LOG_WARNING, "%s requires an argument (channel,[[context,]exten,]priority)\n", app);
  68                 return -1;
  69         }
  70
  71         chan2 = ast_get_channel_by_name_locked(args.channel);
  72         if (!chan2) {
  73                 ast_log(LOG_WARNING, "No such channel: %s\n", args.channel);
  74                 pbx_builtin_setvar_helper(chan, "CHANNELREDIRECT_STATUS", "NOCHANNEL");
  75                 return 0;
  76         }
  77
  78         res = ast_async_parseable_goto(chan2, args.label);
  79         pbx_builtin_setvar_helper(chan, "CHANNELREDIRECT_STATUS", "SUCCESS");
  80         ast_channel_unlock(chan2);
  81
  82         return res;
  83 }
  84
  85 static int unload_module(void)
  86 {
  87         return ast_unregister_application(app);
  88 }
  89
  90 static int load_module(void)
  91 {
  92         return ast_register_application(app, asyncgoto_exec, synopsis, descrip) ?
  93                 AST_MODULE_LOAD_DECLINE : AST_MODULE_LOAD_SUCCESS;
  94 }
  95
  96 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Redirects a given channel to a dialplan target");