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131 lines
5.5 KiB
C++
131 lines
5.5 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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#include "e2sm_kpm.h"
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#include "srsran/asn1/e2ap.h"
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#include "srsran/common/task_scheduler.h"
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#include "srsran/common/timers.h"
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#include "srsran/interfaces/e2_metrics_interface.h"
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#include "srsran/interfaces/enb_metrics_interface.h"
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#include "srsran/srsran.h"
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#ifndef RIC_E2AP_H
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#define RIC_E2AP_H
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namespace srsenb {
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using namespace asn1::e2ap;
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using namespace asn1::e2sm_kpm;
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typedef struct {
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uint16_t ric_id;
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uint16_t plmn_id;
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} global_ric_id_t;
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typedef struct {
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e2node_component_interface_type_e interface_type;
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std::string amf_name;
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std::string request_part;
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std::string response_part;
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} e2_node_component_t;
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typedef struct {
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uint32_t ric_requestor_id;
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uint32_t ric_instance_id;
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uint32_t ra_nfunction_id;
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std::vector<uint32_t> admitted_actions;
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std::vector<uint32_t> not_admitted_actions;
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} ric_subscription_reponse_t;
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class e2_agent;
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class e2ap
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{
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public:
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e2ap(srslog::basic_logger& logger,
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e2_agent* _e2_agent,
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srsenb::e2_interface_metrics* _gnb_metrics,
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srsran::task_scheduler* _task_sched_ptr);
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~e2ap();
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e2_ap_pdu_c generate_setup_request();
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int process_setup_response(e2setup_resp_s setup_response);
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int process_setup_failure();
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int process_subscription_request(ricsubscription_request_s ric_subscription_request);
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int process_subscription_delete_request(ricsubscription_delete_request_s ricsubscription_delete_request);
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int process_subscription_modification_request(uint32_t ric_subscription_modification_request);
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int process_subscription_modification_confirm(uint32_t ric_subscription_modification_confirm);
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int process_subscription_modification_refuse(uint32_t ric_subscription_modification_refuse);
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e2_ap_pdu_c generate_subscription_response(ric_subscription_reponse_t ric_subscription_reponse);
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e2_ap_pdu_c generate_subscription_failure(ric_subscription_reponse_t ric_subscription_reponse);
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e2_ap_pdu_c generate_subscription_delete_response(ric_subscription_reponse_t ric_subscription_reponse);
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e2_ap_pdu_c generate_subscription_delete_failure(ric_subscription_reponse_t ric_subscription_reponse);
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e2_ap_pdu_c generate_subscription_delete_required(ric_subscription_reponse_t ric_subscription_reponse);
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e2_ap_pdu_c generate_subscription_modification_response();
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e2_ap_pdu_c generate_subscription_modification_failure();
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e2_ap_pdu_c generate_subscription_modification_required();
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e2_ap_pdu_c generate_indication(ric_indication_t& ric_indication);
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e2_ap_pdu_c generate_reset_request();
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e2_ap_pdu_c generate_reset_response();
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int process_reset_request(reset_request_s reset_request);
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int process_reset_response(reset_resp_s reset_response);
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int process_e2_setup_failure(e2setup_fail_s e2setup_failure);
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int process_ric_service_update_failure(ricservice_upd_fail_s ric_service_update_failure);
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int process_e2_node_config_update_failure(e2node_cfg_upd_fail_s e2node_config_update_failure);
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int process_e2_removal_failure(e2_removal_fail_s e2_remove_failure);
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bool queue_send_e2ap_pdu(e2_ap_pdu_c e2ap_pdu);
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int get_reset_id();
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bool get_func_desc(uint32_t ran_func_id, RANfunction_description& fdesc);
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bool send_setup_request() { return !e2_established && pending_e2_setup; }
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class ric_subscription;
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private:
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srslog::basic_logger& logger;
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e2_agent* _e2_agent;
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e2sm_kpm e2sm_;
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bool e2_established = false;
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srsran::unique_timer e2_procedure_timeout;
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bool pending_e2_setup = true;
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bool pending_e2_node_config_update = false;
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bool pending_ric_service_update = false;
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bool pending_e2_removal = false;
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int setup_procedure_transaction_id = 0;
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uint64_t plmn_id = 0x05f510;
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uint64_t gnb_id = 1;
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global_ric_id_t global_ric_id = {};
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std::map<uint32_t, RANfunction_description> ran_functions;
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srsenb::e2_interface_metrics* gnb_metrics = nullptr;
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srsran::task_scheduler* task_sched_ptr = nullptr;
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bool reset_response_received = false;
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int reset_transaction_id = 1;
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cause_c reset_cause = cause_c();
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int reset_id = 1;
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std::vector<std::unique_ptr<ric_subscription> > active_subscriptions;
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};
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} // namespace srsenb
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#endif /* RIC_E2AP_H */
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