mirror of https://github.com/PentHertz/srsLTE.git
87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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/******************************************************************************
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* File: spgw.h
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* Description: Top-level SP-GW class. Creates and links all
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* interfaces and helpers.
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*****************************************************************************/
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#ifndef SRSEPC_SPGW_H
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#define SRSEPC_SPGW_H
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#include "srsran/asn1/gtpc.h"
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#include "srsran/common/buffer_pool.h"
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#include "srsran/common/threads.h"
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#include "srsran/srslog/srslog.h"
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#include <cstddef>
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#include <queue>
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namespace srsepc {
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class mme_gtpc;
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const uint16_t GTPU_RX_PORT = 2152;
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typedef struct {
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std::string gtpu_bind_addr;
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std::string sgi_if_addr;
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std::string sgi_if_name;
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uint32_t max_paging_queue;
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} spgw_args_t;
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typedef struct spgw_tunnel_ctx {
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uint64_t imsi;
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in_addr_t ue_ipv4;
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uint8_t ebi;
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srsran::gtp_fteid_t up_ctrl_fteid;
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srsran::gtp_fteid_t up_user_fteid;
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srsran::gtp_fteid_t dw_ctrl_fteid;
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srsran::gtp_fteid_t dw_user_fteid;
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bool paging_pending;
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std::queue<srsran::unique_byte_buffer_t> paging_queue;
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} spgw_tunnel_ctx_t;
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class spgw : public srsran::thread
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{
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class gtpc;
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class gtpu;
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public:
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static spgw* get_instance(void);
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static void cleanup(void);
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int init(spgw_args_t* args, const std::map<std::string, uint64_t>& ip_to_imsi);
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void stop();
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void run_thread();
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private:
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spgw();
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virtual ~spgw();
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static spgw* m_instance;
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spgw_tunnel_ctx_t* create_gtp_ctx(struct srsran::gtpc_create_session_request* cs_req);
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bool delete_gtp_ctx(uint32_t ctrl_teid);
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bool m_running;
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mme_gtpc* m_mme_gtpc;
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// GTP-C and GTP-U handlers
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gtpc* m_gtpc;
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gtpu* m_gtpu;
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// Logs
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srslog::basic_logger& m_logger = srslog::fetch_basic_logger("SPGW");
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};
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} // namespace srsepc
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#endif // SRSEPC_SPGW_H
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