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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2017 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef S1AP_NAS_TRANSPORT_H
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#define S1AP_NAS_TRANSPORT_H
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#include "srslte/asn1/liblte_s1ap.h"
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#include "srslte/common/buffer_pool.h"
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#include "mme/s1ap_common.h"
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namespace srsepc{
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class s1ap_nas_transport
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{
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public:
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s1ap_nas_transport();
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virtual ~s1ap_nas_transport();
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void set_log(srslte::log *s1ap_logger);
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bool unpack_initial_ue_message(LIBLTE_S1AP_MESSAGE_INITIALUEMESSAGE_STRUCT *init_ue, LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT *attach_req, LIBLTE_MME_PDN_CONNECTIVITY_REQUEST_MSG_STRUCT *pdn_con_req);
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bool pack_authentication_request(srslte::byte_buffer_t *reply_msg, uint32_t enb_ue_s1ap_id, uint32_t next_mme_ue_s1ap_id, uint8_t *autn,uint8_t *rand);
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bool unpack_authentication_response(LIBLTE_S1AP_MESSAGE_UPLINKNASTRANSPORT_STRUCT *ul_xport, LIBLTE_MME_AUTHENTICATION_RESPONSE_MSG_STRUCT *auth_resp);
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void log_unhandled_attach_request_ies(const LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT *attach_req);
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void log_unhandled_pdn_con_request_ies(const LIBLTE_MME_PDN_CONNECTIVITY_REQUEST_MSG_STRUCT *pdn_con_req);
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void log_unhandled_initial_ue_message_ies(LIBLTE_S1AP_MESSAGE_INITIALUEMESSAGE_STRUCT *init_ue);
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private:
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srslte::log *m_s1ap_log;
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srslte::byte_buffer_pool *m_pool;
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};
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} //namespace srsepc
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#endif //S1AP_NAS_TRANSPORT
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