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83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
/**
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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 MME_GTPC_H
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#define MME_GTPC_H
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#include "srslte/common/log.h"
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#include "srslte/common/log_filter.h"
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#include "srslte/common/buffer_pool.h"
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#include <boost/thread/mutex.hpp>
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#include "srslte/asn1/gtpc.h"
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#include "mme/s1ap_common.h"
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namespace srsepc
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{
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class spgw;
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class s1ap;
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class mme_gtpc
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{
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public:
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typedef struct gtpc_ctx{
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srslte::gtp_fteid_t mme_ctr_fteid;
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srslte::gtp_fteid_t sgw_ctr_fteid;
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}gtpc_ctx_t;
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static mme_gtpc* get_instance(void);
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static void cleanup(void);
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bool init(srslte::log_filter *mme_gtpc_log);
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uint32_t get_new_ctrl_teid();
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void send_create_session_request(uint64_t imsi, bool pack_attach);
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void handle_create_session_response(srslte::gtpc_pdu *cs_resp_pdu, bool pack_attach);
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void send_modify_bearer_request(uint64_t imsi, erab_ctx_t *bearer_ctx);
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void handle_modify_bearer_response(srslte::gtpc_pdu *mb_resp_pdu);
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void send_release_access_bearers_request(uint64_t imsi);
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void send_delete_session_request(uint64_t imsi);
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private:
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mme_gtpc();
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virtual ~mme_gtpc();
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static mme_gtpc *m_instance;
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srslte::log_filter *m_mme_gtpc_log;
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srslte::byte_buffer_pool *m_pool;
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s1ap* m_s1ap;
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spgw* m_spgw;
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in_addr_t m_mme_gtpc_ip;
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uint32_t m_next_ctrl_teid;
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std::map<uint32_t,uint64_t> m_mme_ctr_teid_to_imsi;
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std::map<uint64_t,struct gtpc_ctx> m_imsi_to_gtpc_ctx;
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};
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}
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#endif
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