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- /*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 2019, Alexei Gradinari
- *
- * Alexei Gradinari <alex2grad@gmail.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 Blind transfer by caller channel
- *
- * \author Alexei Gradinari <alex2grad@gmail.com>
- *
- * \ingroup applications
- */
- /*** MODULEINFO
- <support_level>extended</support_level>
- ***/
- #include "asterisk.h"
- #include "asterisk/pbx.h"
- #include "asterisk/module.h"
- #include "asterisk/app.h"
- #include "asterisk/channel.h"
- #include "asterisk/bridge.h"
- /*** DOCUMENTATION
- <application name="BlindTransfer" language="en_US">
- <synopsis>
- Blind transfer channel(s) to the extension and context provided
- </synopsis>
- <syntax>
- <parameter name="exten" required="true">
- <para>Specify extension.</para>
- </parameter>
- <parameter name="context">
- <para>Optionally specify a context.
- By default, Asterisk will use the caller channel context.</para>
- </parameter>
- </syntax>
- <description>
- <para>Redirect all channels currently bridged to the caller channel to the
- specified destination.</para>
- <para>The result of the application will be reported in the <variable>BLINDTRANSFERSTATUS</variable>
- channel variable:</para>
- <variablelist>
- <variable name="BLINDTRANSFERSTATUS">
- <value name="SUCCESS">
- Transfer succeeded.
- </value>
- <value name="FAILURE">
- Transfer failed.
- </value>
- <value name="INVALID">
- Transfer invalid.
- </value>
- <value name="NOTPERMITTED">
- Transfer not permitted.
- </value>
- </variable>
- </variablelist>
- </description>
- </application>
- ***/
- static const char * const app = "BlindTransfer";
- static int blind_transfer_exec(struct ast_channel *chan, const char *data)
- {
- char *exten = NULL;
- char *context = NULL;
- char *parse;
- AST_DECLARE_APP_ARGS(args,
- AST_APP_ARG(exten);
- AST_APP_ARG(context);
- );
- if (ast_strlen_zero((char *)data)) {
- ast_log(LOG_WARNING, "%s requires an argument (exten)\n", app);
- pbx_builtin_setvar_helper(chan, "BLINDTRANSFERSTATUS", "FAILURE");
- return 0;
- }
- parse = ast_strdupa(data);
- AST_STANDARD_APP_ARGS(args, parse);
- exten = args.exten;
- if (ast_strlen_zero(args.context)) {
- context = (char *)ast_channel_context(chan);
- } else {
- context = args.context;
- }
- switch (ast_bridge_transfer_blind(1, chan, exten, context, NULL, NULL)) {
- case AST_BRIDGE_TRANSFER_NOT_PERMITTED:
- pbx_builtin_setvar_helper(chan, "BLINDTRANSFERSTATUS", "NOTPERMITTED");
- break;
- case AST_BRIDGE_TRANSFER_INVALID:
- pbx_builtin_setvar_helper(chan, "BLINDTRANSFERSTATUS", "INVALID");
- break;
- case AST_BRIDGE_TRANSFER_FAIL:
- pbx_builtin_setvar_helper(chan, "BLINDTRANSFERSTATUS", "FAILURE");
- break;
- case AST_BRIDGE_TRANSFER_SUCCESS:
- pbx_builtin_setvar_helper(chan, "BLINDTRANSFERSTATUS", "SUCCESS");
- break;
- default:
- pbx_builtin_setvar_helper(chan, "BLINDTRANSFERSTATUS", "FAILURE");
- }
- return 0;
- }
- static int unload_module(void)
- {
- return ast_unregister_application(app);
- }
- static int load_module(void)
- {
- return ast_register_application_xml(app, blind_transfer_exec);
- }
- AST_MODULE_INFO_STANDARD_EXTENDED(ASTERISK_GPL_KEY, "Blind transfer channel to the given destination");
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