freeswitch/src/switch_core_media.c

/* 
 * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
 * Copyright (C) 2005-2012, Anthony Minessale II <anthm@freeswitch.org>
 *
 * Version: MPL 1.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
 *
 * The Initial Developer of the Original Code is
 * Anthony Minessale II <anthm@freeswitch.org>
 * Portions created by the Initial Developer are Copyright (C)
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * 
 * Anthony Minessale II <anthm@freeswitch.org>
 *
 * switch_core_media.c -- Core Media
 *
 */



#include <switch.h>
#include <switch_ssl.h>
#include <switch_stun.h>
#include <switch_nat.h>
#include <switch_version.h>
#include "private/switch_core_pvt.h"
#include <switch_curl.h>
#include <errno.h>

typedef enum {
	SMH_INIT = (1 << 0),
	SMH_READY = (1 << 1)
} smh_flag_t;


struct switch_media_handle_s {
	switch_core_session_t *session;
	switch_core_media_NDLB_t ndlb;
	smh_flag_t flags;
};


SWITCH_DECLARE(switch_status_t) switch_media_handle_create(switch_media_handle_t **smhp, switch_core_session_t *session)
{
	switch_status_t status = SWITCH_STATUS_FALSE;
	switch_media_handle_t *smh = NULL;
	
	*smhp = NULL;

	if ((session->media_handle = switch_core_session_alloc(session, (sizeof(*smh))))) {
		
		*smhp = session->media_handle;
		switch_set_flag(session->media_handle, SMH_INIT);
		status = SWITCH_STATUS_SUCCESS;
	}


	return status;
}

SWITCH_DECLARE(void) switch_media_handle_set_ndlb(switch_media_handle_t *smh, switch_core_media_NDLB_t flag)
{
	switch_assert(smh);

	smh->flags |= flag;
	
}

SWITCH_DECLARE(void) switch_media_handle_clear_ndlb(switch_media_handle_t *smh, switch_core_media_NDLB_t flag)
{
	switch_assert(smh);

	smh->flags &= ~flag;
}

SWITCH_DECLARE(int32_t) switch_media_handle_test_ndlb(switch_media_handle_t *smh, switch_core_media_NDLB_t flag)
{
	switch_assert(smh);
	return (smh->flags & flag);
}

SWITCH_DECLARE(switch_status_t) switch_core_session_media_handle_ready(switch_core_session_t *session)
{
	if (session->media_handle && switch_test_flag(session->media_handle, SMH_INIT)) {
		return SWITCH_STATUS_SUCCESS;
	}
	
	return SWITCH_STATUS_FALSE;
}


SWITCH_DECLARE(switch_media_handle_t *) switch_core_session_get_media_handle(switch_core_session_t *session)
{
	if (switch_core_session_media_handle_ready(session)) {
		return session->media_handle;
	}

	return NULL;
}

SWITCH_DECLARE(switch_status_t) switch_core_session_clear_media_handle(switch_core_session_t *session)
{
	if (!session->media_handle) {
		return SWITCH_STATUS_FALSE;
	}
	
	return SWITCH_STATUS_SUCCESS;
}



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