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C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2021 Software Radio Systems Limited
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
#ifndef SRSENB_NGAP_UE_H
#define SRSENB_NGAP_UE_H
#include "ngap.h"
#include "ngap_ue_bearer_manager.h"
#include "ngap_ue_proc.h"
#include "ngap_ue_utils.h"
#include "srsran/asn1/asn1_utils.h"
#include "srsran/asn1/ngap.h"
#include "srsran/interfaces/enb_gtpu_interfaces.h"
namespace srsenb {
class ngap::ue : public ngap_interface_ngap_proc
{
public:
explicit ue(ngap* ngap_ptr_,
rrc_interface_ngap_nr* rrc_ptr_,
gtpu_interface_rrc* gtpu_ptr_,
srslog::basic_logger& logger_);
virtual ~ue();
// TS 38.413 - Section 9.2.5.1 - Initial UE Message
bool send_initial_ue_message(asn1::ngap::rrcestablishment_cause_e cause,
srsran::const_byte_span pdu,
bool has_tmsi,
uint32_t s_tmsi = 0);
// TS 38.413 - Section 9.2.5.3 - Uplink NAS Transport
bool send_ul_nas_transport(srsran::const_byte_span pdu);
// TS 38.413 - Section 9.2.2.2 - Initial Context Setup Response
bool send_initial_ctxt_setup_response();
// TS 38.413 - Section 9.2.2.3 - Initial Context Setup Failure
bool send_initial_ctxt_setup_failure(asn1::ngap::cause_c cause);
// TS 38.413 - Section 9.2.1.2 - PDU Session Resource Setup Response
bool send_pdu_session_resource_setup_response(uint16_t pdu_session_id,
uint32_t teid_in,
asn1::bounded_bitstring<1, 160, true, true> addr_in);
// TS 38.413 - Section 9.2.1.2 - UE Context Release Complete
bool send_ue_ctxt_release_complete();
// TS 38.413 - Section 9.2.2.1 - Initial Context Setup Request
bool handle_initial_ctxt_setup_request(const asn1::ngap::init_context_setup_request_s& msg);
// TS 38.413 - Section 9.2.2.4 - UE Context Release Request
bool send_ue_context_release_request(asn1::ngap::cause_c cause);
// TS 38.413 - Section 9.2.2.5 - UE Context Release Command
bool handle_ue_context_release_cmd(const asn1::ngap::ue_context_release_cmd_s& msg);
// TS 38.413 - Section 9.2.1.1 - PDU Session Resource Setup Request
bool handle_pdu_session_res_setup_request(const asn1::ngap::pdu_session_res_setup_request_s& msg);
/// Checks if a UE Context Release Request was already sent
bool was_ue_context_release_requested() const { return release_requested; }
void notify_rrc_reconf_complete(const bool reconf_complete_outcome);
ngap_ue_ctxt_t ctxt = {};
uint16_t stream_id = 1;
private:
// args
ngap* ngap_ptr = nullptr;
// state
bool release_requested = false;
ngap_ue_bearer_manager bearer_manager;
// logger
srslog::basic_logger& logger;
// procedures
srsran::proc_t<ngap_ue_initial_context_setup_proc> initial_context_setup_proc;
srsran::proc_t<ngap_ue_ue_context_release_proc> ue_context_release_proc;
srsran::proc_t<ngap_ue_pdu_session_res_setup_proc> ue_pdu_session_res_setup_proc;
};
} // namespace srsenb
#endif