80 lines
3.2 KiB
C
80 lines
3.2 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#include <stdint.h>
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#include "intertask_interface.h"
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#include "asn1_conversions.h"
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#include "x2ap_common.h"
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#include "x2ap_eNB_defs.h"
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#include "x2ap_eNB_handler.h"
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#include "x2ap_eNB_management_procedures.h"
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#include "assertions.h"
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#include "conversions.h"
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void x2ap_handle_x2_setup_message(x2ap_eNB_data_t *enb_desc_p, int sctp_shutdown)
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{
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if (sctp_shutdown) {
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/* A previously connected eNB has been shutdown */
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/* TODO check if it was used by some eNB and send a message to inform these eNB if there is no more associated eNB */
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if (enb_desc_p->state == X2AP_ENB_STATE_CONNECTED) {
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enb_desc_p->state = X2AP_ENB_STATE_DISCONNECTED;
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if (enb_desc_p->x2ap_eNB_instance-> x2_target_enb_associated_nb > 0) {
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/* Decrease associated eNB number */
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enb_desc_p->x2ap_eNB_instance-> x2_target_enb_associated_nb --;
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}
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/* If there are no more associated eNB, inform eNB app */
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if (enb_desc_p->x2ap_eNB_instance->x2_target_enb_associated_nb == 0) {
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MessageDef *message_p;
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message_p = itti_alloc_new_message(TASK_X2AP, X2AP_DEREGISTERED_ENB_IND);
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X2AP_DEREGISTERED_ENB_IND(message_p).nb_x2 = 0;
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itti_send_msg_to_task(TASK_ENB_APP, enb_desc_p->x2ap_eNB_instance->instance, message_p);
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}
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}
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} else {
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/* Check that at least one setup message is pending */
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DevCheck(enb_desc_p->x2ap_eNB_instance->x2_target_enb_pending_nb > 0,
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enb_desc_p->x2ap_eNB_instance->instance,
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enb_desc_p->x2ap_eNB_instance->x2_target_enb_pending_nb, 0);
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if (enb_desc_p->x2ap_eNB_instance->x2_target_enb_pending_nb > 0) {
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/* Decrease pending messages number */
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enb_desc_p->x2ap_eNB_instance->x2_target_enb_pending_nb --;
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}
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/* If there are no more pending messages, inform eNB app */
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if (enb_desc_p->x2ap_eNB_instance->x2_target_enb_pending_nb == 0) {
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MessageDef *message_p;
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message_p = itti_alloc_new_message(TASK_X2AP, X2AP_REGISTER_ENB_CNF);
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X2AP_REGISTER_ENB_CNF(message_p).nb_x2 = enb_desc_p->x2ap_eNB_instance->x2_target_enb_associated_nb;
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itti_send_msg_to_task(TASK_ENB_APP, enb_desc_p->x2ap_eNB_instance->instance, message_p);
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}
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}
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}
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