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/*******************************************************************************
Eurecom OpenAirInterface
Copyright(c) 1999 - 2012 Eurecom
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information
Openair Admin: openair_admin@eurecom.fr
Openair Tech : openair_tech@eurecom.fr
Forums : http://forums.eurecom.fr/openairinterface
Address : EURECOM, Campus SophiaTech, 450 Route des Chappes
06410 Biot FRANCE
*******************************************************************************/
/*! \file s1ap_eNB_overload.c
* \brief s1ap procedures for overload messages within eNB
* \author Sebastien ROUX <sebastien.roux@eurecom.fr>
* \date 2012
* \version 0.1
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "intertask_interface.h"
#include "s1ap_common.h"
#include "s1ap_ies_defs.h"
#include "s1ap_eNB_defs.h"
#include "s1ap_eNB.h"
#include "s1ap_eNB_ue_context.h"
#include "s1ap_eNB_encoder.h"
#include "s1ap_eNB_overload.h"
#include "sctp_primitives_client.h"
#include "assertions.h"
// int s1ap_eNB_handle_overload_start(eNB_mme_desc_t *eNB_desc_p,
// sctp_queue_item_t *packet_p,
// struct s1ap_message_s *message_p)
int s1ap_eNB_handle_overload_start(uint32_t assoc_id,
uint32_t stream,
struct s1ap_message_s *message_p)
{
OverloadStartIEs_t *overload_start_p;
s1ap_eNB_mme_data_t *mme_desc_p;
DevAssert(message_p != NULL);
overload_start_p = &message_p->msg.overloadStartIEs;
// DevCheck(overload_start_p->overloadResponse.present ==
// OverloadResponse_PR_overloadAction,
// OverloadResponse_PR_overloadAction, 0, 0);
//
// /* Non UE-associated signalling -> stream 0 */
// DevCheck(packet_p->local_stream == 0, packet_p->local_stream,
// packet_p->remote_port, packet_p->assoc_id);
//
// if ((mme_desc_p = s1ap_eNB_get_MME(eNB_desc_p, packet_p->assoc_id)) == NULL) {
// /* No MME context associated */
// return -1;
// }
//
// /* Mark the MME as overloaded and set the overload state according to
// * the value received.
// */
// mme_desc_p->state = S1AP_ENB_OVERLOAD;
// mme_desc_p->overload_state =
// overload_start_p->overloadResponse.choice.overloadAction;
return 0;
}
int s1ap_eNB_handle_overload_stop(uint32_t assoc_id,
uint32_t stream,
struct s1ap_message_s *message_p)
// int s1ap_eNB_handle_overload_stop(eNB_mme_desc_t *eNB_desc_p,
// sctp_queue_item_t *packet_p,
// struct s1ap_message_s *message_p)
{
/* We received Overload stop message, meaning that the MME is no more
* overloaded. This is an empty message, with only message header and no
* Information Element.
*/
DevAssert(message_p != NULL);
// s1ap_eNB_mme_data_t *mme_desc_p;
//
// /* Non UE-associated signalling -> stream 0 */
// DevCheck(packet_p->local_stream == 0, packet_p->local_stream,
// packet_p->remote_port, packet_p->assoc_id);
//
// if ((mme_desc_p = s1ap_eNB_get_MME(eNB_desc_p, packet_p->assoc_id)) == NULL) {
// /* No MME context associated */
// return -1;
// }
//
// mme_desc_p->state = S1AP_ENB_STATE_CONNECTED;
// mme_desc_p->overload_state = S1AP_NO_OVERLOAD;
return 0;
}