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/**
* Copyright 2013-2023 Software Radio Systems Limited
*
* This file is part of srsRAN.
*
* srsRAN is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsRAN is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#ifndef SRSENB_NGAP_UE_PROC_H
#define SRSENB_NGAP_UE_PROC_H
#include "ngap_interfaces.h"
#include "ngap_ue_utils.h"
#include "srsgnb/hdr/stack/ngap/ngap_ue_bearer_manager.h"
#include "srsran/asn1/asn1_utils.h"
#include "srsran/asn1/ngap.h"
#include "srsran/common/buffer_pool.h"
#include "srsran/common/stack_procedure.h"
#include "srsran/interfaces/gnb_rrc_nr_interfaces.h"
#include <map>
#include <string>
namespace srsenb {
/*
* TS 38.413 - Section 8.2 - PDU Session Management Procedures
*/
// TS 38.413 - Section 8.2.1 PDU Session Resource Setup
class ngap_ue_pdu_session_res_setup_proc
{
public:
explicit ngap_ue_pdu_session_res_setup_proc(ngap_interface_ngap_proc* parent_,
rrc_interface_ngap_nr* rrc_,
ngap_ue_ctxt_t* ue_ctxt,
ngap_ue_bearer_manager* bearer_manager,
srslog::basic_logger& logger_);
srsran::proc_outcome_t init(const asn1::ngap::pdu_session_res_setup_request_s& msg);
srsran::proc_outcome_t step();
static const char* name() { return "UE PDU Session Resource Setup"; }
private:
ngap_ue_ctxt_t* ue_ctxt;
ngap_interface_ngap_proc* parent;
ngap_ue_bearer_manager* bearer_manager;
rrc_interface_ngap_nr* rrc = nullptr;
srslog::basic_logger& logger;
};
/*
* TS 38.413 - Section 8.3 - UE Context Management Procedures
*/
// TS 38.413 - Section 8.3.1 - Initial Context Setup
class ngap_ue_initial_context_setup_proc
{
public:
explicit ngap_ue_initial_context_setup_proc(ngap_interface_ngap_proc* parent_,
rrc_interface_ngap_nr* rrc_,
ngap_ue_ctxt_t* ue_ctxt,
srslog::basic_logger& logger_);
srsran::proc_outcome_t init(const asn1::ngap::init_context_setup_request_s& msg);
srsran::proc_outcome_t react(const bool rrc_reconf_outcome);
srsran::proc_outcome_t step();
static const char* name() { return "Initial Context Setup"; }
private:
ngap_ue_ctxt_t* ue_ctxt;
ngap_interface_ngap_proc* parent = nullptr;
rrc_interface_ngap_nr* rrc = nullptr;
srslog::basic_logger& logger;
};
// TS 38.413 - Section 8.3.2 - UE Context Release Request (NG-RAN node initiated)
class ngap_ue_ue_context_release_proc
{
public:
explicit ngap_ue_ue_context_release_proc(ngap_interface_ngap_proc* parent_,
rrc_interface_ngap_nr* rrc_,
ngap_ue_ctxt_t* ue_ctxt,
ngap_ue_bearer_manager* bearer_manager,
srslog::basic_logger& logger_);
srsran::proc_outcome_t init(const asn1::ngap::ue_context_release_cmd_s& msg);
srsran::proc_outcome_t step();
static const char* name() { return "UE Context Release"; }
private:
ngap_ue_ctxt_t* ue_ctxt;
ngap_interface_ngap_proc* parent = nullptr;
rrc_interface_ngap_nr* rrc = nullptr;
ngap_ue_bearer_manager* bearer_manager = nullptr;
srslog::basic_logger& logger;
};
} // namespace srsenb
#endif