91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2007, Digium, Inc.
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*
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* Joshua Colp <jcolp@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Simple two channel bridging module
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*
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* \author Joshua Colp <jcolp@digium.com>
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*
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* \ingroup bridges
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*/
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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "asterisk/module.h"
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#include "asterisk/channel.h"
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#include "asterisk/bridge.h"
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#include "asterisk/bridge_technology.h"
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#include "asterisk/frame.h"
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static int simple_bridge_join(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel)
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{
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struct ast_channel *c0 = AST_LIST_FIRST(&bridge->channels)->chan;
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struct ast_channel *c1 = AST_LIST_LAST(&bridge->channels)->chan;
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/*
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* If this is the first channel we can't make it compatible...
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* unless we make it compatible with itself. O.o
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*/
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if (c0 == c1) {
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return 0;
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}
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return ast_channel_make_compatible(c0, c1);
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}
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static int simple_bridge_write(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, struct ast_frame *frame)
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{
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return ast_bridge_queue_everyone_else(bridge, bridge_channel, frame);
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}
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static struct ast_bridge_technology simple_bridge = {
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.name = "simple_bridge",
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.capabilities = AST_BRIDGE_CAPABILITY_1TO1MIX,
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.preference = AST_BRIDGE_PREFERENCE_BASE_1TO1MIX,
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.join = simple_bridge_join,
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.write = simple_bridge_write,
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};
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static int unload_module(void)
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{
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ast_bridge_technology_unregister(&simple_bridge);
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return 0;
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}
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static int load_module(void)
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{
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if (ast_bridge_technology_register(&simple_bridge)) {
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unload_module();
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return AST_MODULE_LOAD_DECLINE;
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}
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return AST_MODULE_LOAD_SUCCESS;
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Simple two channel bridging module");
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