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/*
* Copyright (C) 2019,2020 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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, see <https://www.gnu.org/licenses/>.
*/
#ifndef NGAP_PATH_H
#define NGAP_PATH_H
#include "ngap-build.h"
#ifdef __cplusplus
extern "C" {
#endif
#define NGAP_NON_UE_SIGNALLING 0
#define ngap_event_push amf_sctp_event_push
int ngap_open(void);
void ngap_close(void);
ogs_sock_t *ngap_server(ogs_socknode_t *node);
void ngap_recv_upcall(short when, ogs_socket_t fd, void *data);
int ngap_send_to_gnb(
amf_gnb_t *gnb, ogs_pkbuf_t *pkb, uint16_t stream_no);
int ngap_send_to_ran_ue(ran_ue_t *ran_ue, ogs_pkbuf_t *pkbuf);
int ngap_delayed_send_to_ran_ue(ran_ue_t *ran_ue,
ogs_pkbuf_t *pkbuf, ogs_time_t duration);
int ngap_send_to_nas(ran_ue_t *ran_ue,
NGAP_ProcedureCode_t procedureCode, NGAP_NAS_PDU_t *nasPdu);
int ngap_send_to_5gsm(amf_ue_t *amf_ue, ogs_pkbuf_t *esmbuf);
int ngap_send_ng_setup_response(amf_gnb_t *gnb);
int ngap_send_ng_setup_failure(
amf_gnb_t *gnb, NGAP_Cause_PR group, long cause);
int ngap_send_ran_configuration_update_ack(amf_gnb_t *gnb);
int ngap_send_ran_configuration_update_failure(
amf_gnb_t *gnb, NGAP_Cause_PR group, long cause);
int ngap_send_ran_ue_context_release_command(
ran_ue_t *ran_ue, NGAP_Cause_PR group, long cause,
uint8_t action, ogs_time_t duration);
int ngap_send_amf_ue_context_release_command(
amf_ue_t *amf_ue, NGAP_Cause_PR group, long cause,
uint8_t action, ogs_time_t duration);
int ngap_send_paging(amf_ue_t *amf_ue);
int ngap_send_downlink_ran_configuration_transfer(
amf_gnb_t *target_gnb, NGAP_SONConfigurationTransfer_t *transfer);
int ngap_send_path_switch_ack(amf_sess_t *sess);
int ngap_send_handover_request(amf_ue_t *amf_ue);
int ngap_send_handover_preparation_failure(
ran_ue_t *source_ue, NGAP_Cause_t *cause);
int ngap_send_handover_command(amf_ue_t *amf_ue);
int ngap_send_handover_cancel_ack(ran_ue_t *source_ue);
int ngap_send_downlink_ran_status_transfer(
ran_ue_t *target_ue,
NGAP_RANStatusTransfer_TransparentContainer_t *transfer);
int ngap_send_error_indication(
amf_gnb_t *gnb,
uint64_t *ran_ue_ngap_id,
uint64_t *amf_ue_ngap_id,
NGAP_Cause_PR group, long cause);
int ngap_send_error_indication2(
ran_ue_t *ran_ue, NGAP_Cause_PR group, long cause);
int ngap_send_ng_reset_ack(
amf_gnb_t *gnb,
NGAP_UE_associatedLogicalNG_connectionList_t *partOfNG_Interface);
#ifdef __cplusplus
}
#endif
#endif /* NGAP_PATH_H */
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