/*****************************************************************************
#                                                                            *
# Copyright 2020 AT&T Intellectual Property                                  *
# Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved.      *
#                                                                            *
# Licensed under the Apache License, Version 2.0 (the "License");            *
# you may not use this file except in compliance with the License.           *
# You may obtain a copy of the License at                                    *
#                                                                            *
#      http://www.apache.org/licenses/LICENSE-2.0                            *
#                                                                            *
# Unless required by applicable law or agreed to in writing, software        *
# distributed under the License is distributed on an "AS IS" BASIS,          *
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   *
# See the License for the specific language governing permissions and        *
# limitations under the License.                                             *
#                                                                            *
******************************************************************************/

#ifndef E2SIM_HPP
#define E2SIM_HPP

#include <unordered_map>

extern "C" {
#include "E2AP-PDU.h"
#include "OCTET_STRING.h"
}

typedef void (*SubscriptionCallback)(E2AP_PDU_t*);

class E2Sim;
class E2Sim {

private:

  std::unordered_map<long, OCTET_STRING_t*> ran_functions_registered;
  std::unordered_map<long, SubscriptionCallback> subscription_callbacks;

  void wait_for_sctp_data();
  
public:

  std::unordered_map<long, OCTET_STRING_t*> getRegistered_ran_functions();

  void generate_e2apv1_subscription_response_success(E2AP_PDU *e2ap_pdu, long reqActionIdsAccepted[], long reqActionIdsRejected[], int accept_size, int reject_size, long reqRequestorId, long reqInstanceId);

  void generate_e2apv1_indication_request_parameterized(E2AP_PDU *e2ap_pdu, long requestorId, long instanceId, long ranFunctionId, long actionId, long seqNum, uint8_t *ind_header_buf, int header_length, uint8_t *ind_message_buf, int message_length);  

  SubscriptionCallback get_subscription_callback(long func_id);
  
  void register_e2sm(long func_id, OCTET_STRING_t* ostr);

  void register_subscription_callback(long func_id, SubscriptionCallback cb);
  
  void encode_and_send_sctp_data(E2AP_PDU_t* pdu);

  int run_loop(int argc, char* argv[]);

};

#endif