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