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  • /*
     * Asterisk -- An open source telephony toolkit.
     *
    
     * Copyright (C) 2006, Sergey Basmanov
    
     *
     * 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 ChannelRedirect application
    
     *
     * \author Sergey Basmanov <sergey_basmanov@mail.ru>
    
    #include "asterisk.h"
    
    ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
    
    
    #include <stdio.h>
    #include <stdlib.h>
    #include <unistd.h>
    #include <string.h>
    
    #include "asterisk/file.h"
    #include "asterisk/logger.h"
    #include "asterisk/channel.h"
    #include "asterisk/pbx.h"
    #include "asterisk/module.h"
    #include "asterisk/lock.h"
    #include "asterisk/app.h"
    #include "asterisk/features.h"
    
    #include "asterisk/options.h"
    
    static char *app = "ChannelRedirect";
    static char *synopsis = "Redirects given channel to a dialplan target.";
    
    "ChannelRedirect(channel|[[context|]extension|]priority):\n"
    
    "  Sends the specified channel to the specified extension priority\n";
    
    
    static int asyncgoto_exec(struct ast_channel *chan, void *data)
    {
    
    	struct ast_module_user *u;
    
    	char *info, *context, *exten, *priority;
    	int prio = 1;
    	struct ast_channel *chan2 = NULL;
    
    	AST_DECLARE_APP_ARGS(args,
    		AST_APP_ARG(channel);
    		AST_APP_ARG(label);
    	);
    
    	if (ast_strlen_zero(data)) {
    		ast_log(LOG_WARNING, "%s requires an argument (channel|[[context|]exten|]priority)\n", app);
    		return -1;
    	}
    
    
    	u = ast_module_user_add(chan);
    
    
    	info = ast_strdupa(data);
    	AST_STANDARD_APP_ARGS(args, info);
    
    	if (ast_strlen_zero(args.channel) || ast_strlen_zero(args.label)) {
    		ast_log(LOG_WARNING, "%s requires an argument (channel|[[context|]exten|]priority)\n", app);
    
    	}
    
    	chan2 = ast_get_channel_by_name_locked(args.channel);
    	if (!chan2) {
    		ast_log(LOG_WARNING, "No such channel: %s\n", args.channel);
    
    	}
    
    	/* Parsed right to left, so standard parsing won't work */
    	context = strsep(&args.label, "|");
    	exten = strsep(&args.label, "|");
    	if (exten) {
    		priority = strsep(&args.label, "|");
    		if (!priority) {
    			priority = exten;
    			exten = context;
    			context = NULL;
    		}
    	} else {
    		priority = context;
    		context = NULL;
    	}
    
    
    	/* ast_findlabel_extension does not convert numeric priorities; it only does a lookup */
    	if (!(prio = atoi(priority)) && !(prio = ast_findlabel_extension(chan2, S_OR(context, chan2->context),
    									S_OR(exten, chan2->exten), priority, chan2->cid.cid_num))) {
    
    		ast_log(LOG_WARNING, "'%s' is not a known priority or label\n", priority);
    
    	if (option_debug > 1)
    		ast_log(LOG_DEBUG, "Attempting async goto (%s) to %s|%s|%d\n", args.channel, S_OR(context, chan2->context), S_OR(exten, chan2->exten), prio);
    
    	if (ast_async_goto_if_exists(chan2, S_OR(context, chan2->context), S_OR(exten, chan2->exten), prio))
    
    		ast_log(LOG_WARNING, "%s failed for %s\n", app, args.channel);
    	else
    		res = 0;
    
    static int unload_module(void)
    
    	ast_module_user_hangup_all();
    
    static int load_module(void)
    
    {
    	return ast_register_application(app, asyncgoto_exec, synopsis, descrip);
    }
    
    
    AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Channel Redirect");