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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (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.openairinterface.org/?page_id=698
*
* 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.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file flexran_agent_mac.h
* \brief FlexRAN agent message handler APIs for MAC layer
* \author Xenofon Foukas, Mohamed Kassem and Navid Nikaein
* \date 2016
* \version 0.1
*/
#ifndef FLEXRAN_AGENT_MAC_H_
#define FLEXRAN_AGENT_MAC_H_
#include "header.pb-c.h"
#include "flexran.pb-c.h"
#include "stats_messages.pb-c.h"
#include "stats_common.pb-c.h"
#include "flexran_agent_common.h"
#include "flexran_agent_extern.h"
/* Initialization function for the agent structures etc */
void flexran_agent_init_mac_agent(mid_t mod_id);
/* Scheduling request information protocol message constructor and estructor */
int flexran_agent_mac_sr_info(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg);
int flexran_agent_mac_destroy_sr_info(Protocol__FlexranMessage *msg);
/* Subframe trigger protocol msssage constructor and destructor */
int flexran_agent_mac_sf_trigger(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg);
int flexran_agent_mac_destroy_sf_trigger(Protocol__FlexranMessage *msg);
/* Statistics reply protocol message constructor and destructor */
int flexran_agent_mac_stats_reply(mid_t mod_id, const report_config_t *report_config, Protocol__FlexUeStatsReport **ue_report, Protocol__FlexCellStatsReport **cell_report);
int flexran_agent_mac_destroy_stats_reply(Protocol__FlexranMessage *msg);
/* DL MAC scheduling decision protocol message constructor (empty command) and destructor */
int flexran_agent_mac_create_empty_dl_config(mid_t mod_id, Protocol__FlexranMessage **msg);
int flexran_agent_mac_destroy_dl_config(Protocol__FlexranMessage *msg);
/* UL MAC scheduling decision protocol message constructor (empty command) and destructor */
int flexran_agent_mac_create_empty_ul_config(mid_t mod_id, Protocol__FlexranMessage **msg);
int flexran_agent_mac_destroy_ul_config(Protocol__FlexranMessage *msg);
int flexran_agent_mac_handle_dl_mac_config(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg);
/**********************************
* FlexRAN agent - technology mac API
**********************************/
/*Inform controller about received scheduling requests during a subframe*/
void flexran_agent_send_sr_info(mid_t mod_id);
/*Inform the controller about the current UL/DL subframe*/
void flexran_agent_send_sf_trigger(mid_t mod_id);
/// Send to the controller all the mac stat updates that occured during this subframe
/// based on the stats request configuration
void flexran_agent_send_update_mac_stats(mid_t mod_id);
/// Provide to the scheduler a pending dl_mac_config message
void flexran_agent_get_pending_dl_mac_config(mid_t mod_id, Protocol__FlexranMessage **msg);
/*Register technology specific interface callbacks*/
int flexran_agent_register_mac_xface(mid_t mod_id, AGENT_MAC_xface *xface);
/*Unregister technology specific callbacks*/
int flexran_agent_unregister_mac_xface(mid_t mod_id, AGENT_MAC_xface*xface);
/***************************************
* FlexRAN agent - slice configuration *
***************************************/
/* Inform controller about possibility to update slice configuration */
void flexran_agent_slice_update(mid_t mod_id);
/* return a pointer to the current config */
Protocol__FlexSliceConfig *flexran_agent_get_slice_config(mid_t mod_id);
#endif