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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2013, Digium, Inc.
*
* Jonathan Rose <jrose@digium.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 loadable MixMonitor functionality
*
* \author Jonathan Rose <jrose@digium.com>
*/
/*** MODULEINFO
<support_level>core</support_level>
***/
#include "asterisk.h"
#include "asterisk/lock.h"
#include "asterisk/logger.h"
#include "asterisk/mixmonitor.h"
#include "asterisk/utils.h"
#include "asterisk/channel.h"
AST_RWLOCK_DEFINE_STATIC(mixmonitor_lock);
static struct ast_mixmonitor_methods mixmonitor_methods;
static int table_loaded = 0;
int ast_set_mixmonitor_methods(struct ast_mixmonitor_methods *method_table)
{
SCOPED_WRLOCK(lock, &mixmonitor_lock);
if (table_loaded) {
/* If mixmonitor methods have already been provided, reject the new set */
ast_log(LOG_ERROR, "Tried to set mixmonitor methods, but something else has already provided them.\n");
return -1;
}
mixmonitor_methods = *method_table;
table_loaded = 1;
return 0;
}
int ast_clear_mixmonitor_methods(void)
{
SCOPED_WRLOCK(lock, &mixmonitor_lock);
if (!table_loaded) {
ast_log(LOG_ERROR, "Tried to clear mixmonitor methods, but none are currently loaded.\n");
return -1;
}
memset(&mixmonitor_methods, 0, sizeof(mixmonitor_methods));
table_loaded = 0;
return 0;
}
int ast_start_mixmonitor(struct ast_channel *chan, const char *filename, const char *options)
{
SCOPED_RDLOCK(lock, &mixmonitor_lock);
if (!mixmonitor_methods.start) {
ast_log(LOG_ERROR, "No loaded module currently provides MixMonitor starting functionality.\n");
return -1;
}
return mixmonitor_methods.start(chan, filename, options);
}
int ast_stop_mixmonitor(struct ast_channel *chan, const char *mixmon_id)
{
SCOPED_RDLOCK(lock, &mixmonitor_lock);
if (!mixmonitor_methods.stop) {
ast_log(LOG_ERROR, "No loaded module currently provides MixMonitor stopping functionality.\n");
return -1;
}
return mixmonitor_methods.stop(chan, mixmon_id);
}
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