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62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
/**
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* Copyright 2013-2022 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN 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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* srsRAN 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 SRSEPC_S1AP_NAS_TRANSPORT_H
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#define SRSEPC_S1AP_NAS_TRANSPORT_H
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#include "mme_gtpc.h"
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#include "s1ap_common.h"
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#include "srsepc/hdr/hss/hss.h"
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#include "srsran/asn1/gtpc.h"
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#include "srsran/asn1/s1ap.h"
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#include "srsran/common/buffer_pool.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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static s1ap_nas_transport* m_instance;
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static s1ap_nas_transport* get_instance();
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static void cleanup();
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void init();
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bool handle_initial_ue_message(const asn1::s1ap::init_ue_msg_s& init_ue, struct sctp_sndrcvinfo* enb_sri);
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bool handle_uplink_nas_transport(const asn1::s1ap::ul_nas_transport_s& ul_xport, struct sctp_sndrcvinfo* enb_sri);
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bool send_downlink_nas_transport(uint32_t enb_ue_s1ap_id,
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uint32_t mme_ue_s1ap_id,
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srsran::byte_buffer_t* nas_msg,
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struct sctp_sndrcvinfo enb_sri);
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private:
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s1ap_nas_transport();
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virtual ~s1ap_nas_transport();
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srslog::basic_logger& m_logger = srslog::fetch_basic_logger("S1AP");
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s1ap* m_s1ap;
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nas_init_t m_nas_init;
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nas_if_t m_nas_if;
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};
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} // namespace srsepc
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#endif // SRSEPC_S1AP_NAS_TRANSPORT_H
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