flexran_agent_common.c 75 KB
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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 1.0  (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.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
 */ 
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/*! \file flexran_agent_common.c
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 * \brief common primitives for all agents 
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 * \author Xenofon Foukas, Mohamed Kassem and Navid Nikaein
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 * \date 2016
 * \version 0.1
 */

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#include<stdio.h>
#include <time.h>
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#include "flexran_agent_common.h"
#include "flexran_agent_common_internal.h"
#include "flexran_agent_extern.h"
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#include "PHY/extern.h"
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#include "log.h"

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#include "SCHED/defs.h"
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#include "RRC/LITE/extern.h"
#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
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#include "rrc_eNB_UE_context.h"
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void * enb[NUM_MAX_ENB];
void * enb_ue[NUM_MAX_ENB];
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void * enb_rrc[NUM_MAX_ENB];
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/*
 * message primitives
 */

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int flexran_agent_serialize_message(Protocol__FlexranMessage *msg, void **buf, int *size) {
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  *size = protocol__flexran_message__get_packed_size(msg);
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  *buf = malloc(*size);
  if (buf == NULL)
    goto error;
  
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  protocol__flexran_message__pack(msg, *buf);
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  return 0;
  
 error:
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  LOG_E(FLEXRAN_AGENT, "an error occured\n"); // change the com
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  return -1;
}



/* We assume that the buffer size is equal to the message size.
   Should be chekced durint Tx/Rx */
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int flexran_agent_deserialize_message(void *data, int size, Protocol__FlexranMessage **msg) {
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  *msg = protocol__flexran_message__unpack(NULL, size, data);
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  if (*msg == NULL)
    goto error;
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  return 0;
  
 error:
  //LOG_E(MAC, "%s: an error occured\n", __FUNCTION__);
  return -1;
}



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int flexran_create_header(xid_t xid, Protocol__FlexType type,  Protocol__FlexHeader **header) {
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  *header = malloc(sizeof(Protocol__FlexHeader));
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  if(*header == NULL)
    goto error;
  
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  protocol__flex_header__init(*header);
  (*header)->version = FLEXRAN_VERSION;
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  (*header)->has_version = 1; 
  // check if the type is set
  (*header)->type = type;
  (*header)->has_type = 1;
  (*header)->xid = xid;
  (*header)->has_xid = 1;
  return 0;

 error:
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  LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
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  return -1;
}


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int flexran_agent_hello(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg) {
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  Protocol__FlexHeader *header;
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  /*TODO: Need to set random xid or xid from received hello message*/
  xid_t xid = 1;
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  if (flexran_create_header(xid, PROTOCOL__FLEX_TYPE__FLPT_HELLO, &header) != 0)
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    goto error;

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  Protocol__FlexHello *hello_msg;
  hello_msg = malloc(sizeof(Protocol__FlexHello));
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  if(hello_msg == NULL)
    goto error;
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  protocol__flex_hello__init(hello_msg);
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  hello_msg->header = header;

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  *msg = malloc(sizeof(Protocol__FlexranMessage));
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  if(*msg == NULL)
    goto error;
  
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  protocol__flexran_message__init(*msg);
  (*msg)->msg_case = PROTOCOL__FLEXRAN_MESSAGE__MSG_HELLO_MSG;
  (*msg)->msg_dir = PROTOCOL__FLEXRAN_DIRECTION__SUCCESSFUL_OUTCOME;
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  (*msg)->has_msg_dir = 1;
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  (*msg)->hello_msg = hello_msg;
  return 0;
  
 error:
  if(header != NULL)
    free(header);
  if(hello_msg != NULL)
    free(hello_msg);
  if(*msg != NULL)
    free(*msg);
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  LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
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  return -1;
}


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int flexran_agent_destroy_hello(Protocol__FlexranMessage *msg) {
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  if(msg->msg_case != PROTOCOL__FLEXRAN_MESSAGE__MSG_HELLO_MSG)
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    goto error;
  
  free(msg->hello_msg->header);
  free(msg->hello_msg);
  free(msg);
  return 0;

 error:
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  LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
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  return -1;
}


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int flexran_agent_echo_request(mid_t mod_id, const void* params, Protocol__FlexranMessage **msg) {
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  Protocol__FlexHeader *header;
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  /*TODO: Need to set a random xid*/
  xid_t xid = 1;
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  if (flexran_create_header(xid, PROTOCOL__FLEX_TYPE__FLPT_ECHO_REQUEST, &header) != 0)
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    goto error;

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  Protocol__FlexEchoRequest *echo_request_msg;
  echo_request_msg = malloc(sizeof(Protocol__FlexEchoRequest));
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  if(echo_request_msg == NULL)
    goto error;
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  protocol__flex_echo_request__init(echo_request_msg);
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  echo_request_msg->header = header;

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  *msg = malloc(sizeof(Protocol__FlexranMessage));
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  if(*msg == NULL)
    goto error;
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  protocol__flexran_message__init(*msg);
  (*msg)->msg_case = PROTOCOL__FLEXRAN_MESSAGE__MSG_ECHO_REQUEST_MSG;
  (*msg)->msg_dir = PROTOCOL__FLEXRAN_DIRECTION__INITIATING_MESSAGE;
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  (*msg)->echo_request_msg = echo_request_msg;
  return 0;

 error:
  if(header != NULL)
    free(header);
  if(echo_request_msg != NULL)
    free(echo_request_msg);
  if(*msg != NULL)
    free(*msg);
  //LOG_E(MAC, "%s: an error occured\n", __FUNCTION__);
  return -1;
}


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int flexran_agent_destroy_echo_request(Protocol__FlexranMessage *msg) {
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  if(msg->msg_case != PROTOCOL__FLEXRAN_MESSAGE__MSG_ECHO_REQUEST_MSG)
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    goto error;
  
  free(msg->echo_request_msg->header);
  free(msg->echo_request_msg);
  free(msg);
  return 0;
  
 error:
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  LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
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  return -1;
}



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int flexran_agent_echo_reply(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg) {
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  xid_t xid;
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  Protocol__FlexranMessage *input = (Protocol__FlexranMessage *)params;
  Protocol__FlexEchoRequest *echo_req = input->echo_request_msg;
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  xid = (echo_req->header)->xid;

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  Protocol__FlexHeader *header;
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  if (flexran_create_header(xid, PROTOCOL__FLEX_TYPE__FLPT_ECHO_REPLY, &header) != 0)
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    goto error;

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  Protocol__FlexEchoReply *echo_reply_msg;
  echo_reply_msg = malloc(sizeof(Protocol__FlexEchoReply));
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  if(echo_reply_msg == NULL)
    goto error;
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  protocol__flex_echo_reply__init(echo_reply_msg);
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  echo_reply_msg->header = header;

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  *msg = malloc(sizeof(Protocol__FlexranMessage));
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  if(*msg == NULL)
    goto error;
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  protocol__flexran_message__init(*msg);
  (*msg)->msg_case = PROTOCOL__FLEXRAN_MESSAGE__MSG_ECHO_REPLY_MSG;
  (*msg)->msg_dir = PROTOCOL__FLEXRAN_DIRECTION__SUCCESSFUL_OUTCOME;
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  (*msg)->has_msg_dir = 1;
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  (*msg)->echo_reply_msg = echo_reply_msg;
  return 0;

 error:
  if(header != NULL)
    free(header);
  if(echo_reply_msg != NULL)
    free(echo_reply_msg);
  if(*msg != NULL)
    free(*msg);
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  LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
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  return -1;
}


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int flexran_agent_destroy_echo_reply(Protocol__FlexranMessage *msg) {
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  if(msg->msg_case != PROTOCOL__FLEXRAN_MESSAGE__MSG_ECHO_REPLY_MSG)
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    goto error;
  
  free(msg->echo_reply_msg->header);
  free(msg->echo_reply_msg);
  free(msg);
  return 0;
  
 error:
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  LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
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  return -1;
}
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int flexran_agent_destroy_enb_config_reply(Protocol__FlexranMessage *msg) {
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  if(msg->msg_case != PROTOCOL__FLEXRAN_MESSAGE__MSG_ENB_CONFIG_REPLY_MSG)
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    goto error;
  free(msg->enb_config_reply_msg->header);
  int i, j;
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  Protocol__FlexEnbConfigReply *reply = msg->enb_config_reply_msg;
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  for(i = 0; i < reply->n_cell_config;i++) {
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    free(reply->cell_config[i]->mbsfn_subframe_config_rfoffset);
    free(reply->cell_config[i]->mbsfn_subframe_config_rfperiod);
    free(reply->cell_config[i]->mbsfn_subframe_config_sfalloc);
    if (reply->cell_config[i]->si_config != NULL) {
      for(j = 0; j < reply->cell_config[i]->si_config->n_si_message;j++){
	free(reply->cell_config[i]->si_config->si_message[j]);
      }
      free(reply->cell_config[i]->si_config->si_message);
      free(reply->cell_config[i]->si_config);
    }
    free(reply->cell_config[i]);
  }
  free(reply->cell_config);
  free(reply);
  free(msg);
  
  return 0;
 error:
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  //LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
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  return -1;
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}

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int flexran_agent_destroy_ue_config_reply(Protocol__FlexranMessage *msg) {
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  if(msg->msg_case != PROTOCOL__FLEXRAN_MESSAGE__MSG_UE_CONFIG_REPLY_MSG)
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    goto error;
  free(msg->ue_config_reply_msg->header);
  int i, j;
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  Protocol__FlexUeConfigReply *reply = msg->ue_config_reply_msg;
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  for(i = 0; i < reply->n_ue_config;i++){
    free(reply->ue_config[i]->capabilities);
    free(reply->ue_config[i]);
  }
  free(reply->ue_config);
  free(reply);
  free(msg);

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  return 0;
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 error:
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  //LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
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  return -1;
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}

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int flexran_agent_destroy_lc_config_reply(Protocol__FlexranMessage *msg) {
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  if(msg->msg_case != PROTOCOL__FLEXRAN_MESSAGE__MSG_LC_CONFIG_REPLY_MSG)
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    goto error;

  int i, j;
  free(msg->lc_config_reply_msg->header);
  for (i = 0; i < msg->lc_config_reply_msg->n_lc_ue_config; i++) {
    for (j = 0; j < msg->lc_config_reply_msg->lc_ue_config[i]->n_lc_config; j++) {
      free(msg->lc_config_reply_msg->lc_ue_config[i]->lc_config[j]);
    }
    free(msg->lc_config_reply_msg->lc_ue_config[i]->lc_config);
    free(msg->lc_config_reply_msg->lc_ue_config[i]);
  }
  free(msg->lc_config_reply_msg->lc_ue_config);
  free(msg->lc_config_reply_msg);
  free(msg);
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  return 0;
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 error:
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  //LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
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  return -1;
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}

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int flexran_agent_destroy_ue_state_change(Protocol__FlexranMessage *msg) {
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  if(msg->msg_case != PROTOCOL__FLEXRAN_MESSAGE__MSG_UE_STATE_CHANGE_MSG)
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    goto error;
  free(msg->ue_state_change_msg->header);
  //TODO: Free the contents of the UE config structure
  free(msg->ue_state_change_msg);
  free(msg);
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  return 0;
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 error:
  //LOG_E(MAC, "%s: an error occured\n", __FUNCTION__);
  return -1;
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}

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int flexran_agent_destroy_enb_config_request(Protocol__FlexranMessage *msg) {
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  if(msg->msg_case != PROTOCOL__FLEXRAN_MESSAGE__MSG_ENB_CONFIG_REQUEST_MSG)
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    goto error;
  free(msg->enb_config_request_msg->header);
  free(msg->enb_config_request_msg);
  free(msg);
  return 0;
  
 error:
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  //LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
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  return -1;
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}

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int flexran_agent_destroy_ue_config_request(Protocol__FlexranMessage *msg) {
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  /* TODO: Deallocate memory for a dynamically allocated UE config message */
  return 0;
}

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int flexran_agent_destroy_lc_config_request(Protocol__FlexranMessage *msg) {
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  /* TODO: Deallocate memory for a dynamically allocated LC config message */
  return 0;
}

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// call this function to start a nanosecond-resolution timer
struct timespec timer_start(){
    struct timespec start_time;
    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &start_time);
    return start_time;
}

// call this function to end a timer, returning nanoseconds elapsed as a long
long timer_end(struct timespec start_time){
    struct timespec end_time;
    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &end_time);
    long diffInNanos = end_time.tv_nsec - start_time.tv_nsec;
    return diffInNanos;
}

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int flexran_agent_control_delegation(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg) {
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  Protocol__FlexranMessage *input = (Protocol__FlexranMessage *)params;
  Protocol__FlexControlDelegation *control_delegation_msg = input->control_delegation_msg;
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  uint32_t delegation_type = control_delegation_msg->delegation_type;

  int i;

  struct timespec vartime = timer_start();
  
  //Write the payload lib into a file in the cache and load the lib
  char lib_name[120];
  char target[512];
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  snprintf(lib_name, sizeof(lib_name), "/%s.so", control_delegation_msg->name);
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  strcpy(target, local_cache);
  strcat(target, lib_name);

  FILE *f;
  f = fopen(target, "wb");
  fwrite(control_delegation_msg->payload.data, control_delegation_msg->payload.len, 1, f);
  fclose(f);

  long time_elapsed_nanos = timer_end(vartime);
  *msg = NULL;
  return 0;

 error:
  return -1;
}

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int flexran_agent_destroy_control_delegation(Protocol__FlexranMessage *msg) {
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  /*TODO: Dealocate memory for a dynamically allocated control delegation message*/
}

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int flexran_agent_reconfiguration(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg) {
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  Protocol__FlexranMessage *input = (Protocol__FlexranMessage *)params;
  Protocol__FlexAgentReconfiguration *agent_reconfiguration_msg = input->agent_reconfiguration_msg;
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  apply_reconfiguration_policy(mod_id, agent_reconfiguration_msg->policy, strlen(agent_reconfiguration_msg->policy));

  *msg = NULL;
  return 0;
}

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int flexran_agent_destroy_agent_reconfiguration(Protocol__FlexranMessage *msg) {
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  /*TODO: Dealocate memory for a dynamically allocated agent reconfiguration message*/
}

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/*
 * get generic info from RAN
 */

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void flexran_set_enb_vars(mid_t mod_id, ran_name_t ran){
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  switch (ran){
  case RAN_LTE_OAI :
    enb[mod_id] =  (void *)&eNB_mac_inst[mod_id];
    enb_ue[mod_id] = (void *)&eNB_mac_inst[mod_id].UE_list;
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    enb_rrc[mod_id] = (void *)&eNB_rrc_inst[mod_id];
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    break;
  default :
    goto error;
  }

  return; 

 error:
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  LOG_E(FLEXRAN_AGENT, "unknown RAN name %d\n", ran);
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}

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int flexran_get_current_time_ms (mid_t mod_id, int subframe_flag){
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  if (subframe_flag == 1){
    return ((eNB_MAC_INST *)enb[mod_id])->frame*10 + ((eNB_MAC_INST *)enb[mod_id])->subframe;
  }else {
    return ((eNB_MAC_INST *)enb[mod_id])->frame*10;
  }
   
}

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unsigned int flexran_get_current_frame (mid_t mod_id) {
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  #warning "SFN will not be in [0-1023] when oaisim is used"
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  return ((eNB_MAC_INST *)enb[mod_id])->frame;
  
}

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unsigned int flexran_get_current_system_frame_num(mid_t mod_id) {
  return (flexran_get_current_frame(mod_id) %1024);
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}

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unsigned int flexran_get_current_subframe (mid_t mod_id) {
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  return ((eNB_MAC_INST *)enb[mod_id])->subframe;
  
}

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uint16_t flexran_get_sfn_sf (mid_t mod_id) {
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  frame_t frame;
  sub_frame_t subframe;
  uint16_t sfn_sf, frame_mask, sf_mask;
  
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  frame = (frame_t) flexran_get_current_system_frame_num(mod_id);
  subframe = (sub_frame_t) flexran_get_current_subframe(mod_id);
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  frame_mask = ((1<<12) - 1);
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  sf_mask = ((1<<4) - 1);
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  sfn_sf = (subframe & sf_mask) | ((frame & frame_mask) << 4);
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  return sfn_sf;
}

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uint16_t flexran_get_future_sfn_sf (mid_t mod_id, int ahead_of_time) {
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  frame_t frame;
  sub_frame_t subframe;
  uint16_t sfn_sf, frame_mask, sf_mask;
  
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  frame = (frame_t) flexran_get_current_system_frame_num(mod_id);
  subframe = (sub_frame_t) flexran_get_current_subframe(mod_id);
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  subframe = ((subframe + ahead_of_time) % 10);

  int full_frames_ahead = ((ahead_of_time / 10) % 10);
  
  frame = frame + full_frames_ahead;

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  if (subframe < flexran_get_current_subframe(mod_id)) {
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    frame++;
  }

  frame_mask = ((1<<12) - 1);
  sf_mask = ((1<<4) - 1);
  sfn_sf = (subframe & sf_mask) | ((frame & frame_mask) << 4);
  
  return sfn_sf;
}

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int flexran_get_num_ues (mid_t mod_id){
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  return  ((UE_list_t *)enb_ue[mod_id])->num_UEs;
}

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int flexran_get_ue_crnti (mid_t mod_id, mid_t ue_id) {
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  return  UE_RNTI(mod_id, ue_id);
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}

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int flexran_get_ue_bsr (mid_t mod_id, mid_t ue_id, lcid_t lcid) {
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  return ((UE_list_t *)enb_ue[mod_id])->UE_template[UE_PCCID(mod_id,ue_id)][ue_id].bsr_info[lcid];
}

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int flexran_get_ue_phr (mid_t mod_id, mid_t ue_id) {
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  return ((UE_list_t *)enb_ue[mod_id])->UE_template[UE_PCCID(mod_id,ue_id)][ue_id].phr_info;
}

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int flexran_get_ue_wcqi (mid_t mod_id, mid_t ue_id) {
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  return ((UE_list_t *)enb_ue[mod_id])->eNB_UE_stats[UE_PCCID(mod_id,ue_id)][ue_id].dl_cqi;
}
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int flexran_get_tx_queue_size(mid_t mod_id, mid_t ue_id, logical_chan_id_t channel_id) {
	rnti_t rnti = flexran_get_ue_crnti(mod_id,ue_id);
	uint16_t frame = (uint16_t) flexran_get_current_frame(mod_id);
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	mac_rlc_status_resp_t rlc_status = mac_rlc_status_ind(mod_id,rnti, mod_id,frame,ENB_FLAG_YES,MBMS_FLAG_NO,channel_id,0);
	return rlc_status.bytes_in_buffer;
}
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int flexran_update_TA(mid_t mod_id, mid_t ue_id, int CC_id) {
  
  UE_list_t *UE_list=&eNB_mac_inst[mod_id].UE_list;
  UE_sched_ctrl *ue_sched_ctl = &UE_list->UE_sched_ctrl[ue_id];
  int rnti;

  rnti = flexran_get_ue_crnti(mod_id, ue_id);
  if (ue_sched_ctl->ta_timer == 0) {

    // WE SHOULD PROTECT the eNB_UE_stats with a mutex here ...                                                                         
    LTE_eNB_UE_stats		*eNB_UE_stats = mac_xface->get_eNB_UE_stats(mod_id, CC_id, rnti);
    ue_sched_ctl->ta_timer		      = 20;	// wait 20 subframes before taking TA measurement from PHY                                         
    switch (PHY_vars_eNB_g[mod_id][CC_id]->frame_parms.N_RB_DL) {
    case 6:
      ue_sched_ctl->ta_update		      = eNB_UE_stats->timing_advance_update;
      break;

    case 15:
      ue_sched_ctl->ta_update		      = eNB_UE_stats->timing_advance_update/2;
      break;

    case 25:
      ue_sched_ctl->ta_update		      = eNB_UE_stats->timing_advance_update/4;
      break;

    case 50:
      ue_sched_ctl->ta_update		      = eNB_UE_stats->timing_advance_update/8;
      break;

    case 75:
      ue_sched_ctl->ta_update		      = eNB_UE_stats->timing_advance_update/12;
      break;

    case 100:
      ue_sched_ctl->ta_update		      = eNB_UE_stats->timing_advance_update/16;
      break;
    }
    // clear the update in case PHY does not have a new measurement after timer expiry                                               
    eNB_UE_stats->timing_advance_update	      = 0;
  }
  else {
    ue_sched_ctl->ta_timer--;
    ue_sched_ctl->ta_update		      = 0;	// don't trigger a timing advance command                                                          
  }
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  return ue_sched_ctl->ta_update	      = 0;
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}
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int flexran_get_MAC_CE_bitmap_TA(mid_t mod_id, mid_t ue_id,int CC_id) {
  
  UE_list_t			*UE_list      = &eNB_mac_inst[mod_id].UE_list;
  UE_sched_ctrl			*ue_sched_ctl = &UE_list->UE_sched_ctrl[ue_id];
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  rnti_t rnti = flexran_get_ue_crnti(mod_id,ue_id);
  LTE_eNB_UE_stats *eNB_UE_stats = mac_xface->get_eNB_UE_stats(mod_id,CC_id,rnti);
  
  if (eNB_UE_stats == NULL) {
    return 0;
  }
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  if (ue_sched_ctl->ta_update == 0) {
    return 1;
  } else {
    return 0;
  }
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}
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int flexran_get_active_CC(mid_t mod_id, mid_t ue_id) {
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	return ((UE_list_t *)enb_ue[mod_id])->numactiveCCs[ue_id];
}

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int flexran_get_current_RI(mid_t mod_id, mid_t ue_id, int CC_id) {
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	LTE_eNB_UE_stats	*eNB_UE_stats = NULL;
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	int			 pCCid	      = UE_PCCID(mod_id,ue_id);
	rnti_t			 rnti	      = flexran_get_ue_crnti(mod_id,ue_id);
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	eNB_UE_stats			      = mac_xface->get_eNB_UE_stats(mod_id,CC_id,rnti);
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	if (eNB_UE_stats == NULL) {
	  return 0;
	}

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	return eNB_UE_stats[CC_id].rank;
}

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int flexran_get_tpc(mid_t mod_id, mid_t ue_id) {
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	LTE_eNB_UE_stats	*eNB_UE_stats = NULL;
	int32_t			 normalized_rx_power, target_rx_power;
	int			 tpc	      = 1;
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	int			 pCCid	      = UE_PCCID(mod_id,ue_id);
	rnti_t			 rnti	      = flexran_get_ue_crnti(mod_id,ue_id);
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	eNB_UE_stats = mac_xface->get_eNB_UE_stats(mod_id, pCCid, rnti);
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	target_rx_power = mac_xface->get_target_pusch_rx_power(mod_id,pCCid);

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	if (eNB_UE_stats == NULL) {
	  normalized_rx_power = target_rx_power;
	} else if (eNB_UE_stats->UL_rssi != NULL) {
	  normalized_rx_power = eNB_UE_stats->UL_rssi[0];
	} else {
	  normalized_rx_power = target_rx_power;
	}

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	if (normalized_rx_power>(target_rx_power+1)) {
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		tpc = 0;	//-1
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	} else if (normalized_rx_power<(target_rx_power-1)) {
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		tpc = 2;	//+1
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	} else {
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		tpc = 1;	//0
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	}
	return tpc;
}

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int flexran_get_harq(const mid_t mod_id, const uint8_t CC_id, const mid_t ue_id, const int frame, const uint8_t subframe, int *id, int *round)	{ //flag_id_status = 0 then id, else status
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	/*TODO: Add int TB in function parameters to get the status of the second TB. This can be done to by editing in
	 * get_ue_active_harq_pid function in line 272 file: phy_procedures_lte_eNB.c to add
	 * DLSCH_ptr = PHY_vars_eNB_g[Mod_id][CC_id]->dlsch_eNB[(uint32_t)UE_id][1];*/

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  uint8_t harq_pid;
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  uint8_t harq_round;
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  uint16_t rnti = flexran_get_ue_crnti(mod_id,ue_id);
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  mac_xface->get_ue_active_harq_pid(mod_id,CC_id,rnti,frame,subframe,&harq_pid,&harq_round,openair_harq_DL);
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  *id = harq_pid;
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  *round = harq_round;
  /* if (round > 0) { */
  /*   *status = 1; */
  /* } else { */
  /*   *status = 0; */
  /* } */
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  /* return 0; */
  return round;
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}

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int flexran_get_p0_pucch_dbm(mid_t mod_id, mid_t ue_id, int CC_id) {
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	LTE_eNB_UE_stats *eNB_UE_stats = NULL;
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	uint32_t rnti = flexran_get_ue_crnti(mod_id,ue_id);
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	eNB_UE_stats =  mac_xface->get_eNB_UE_stats(mod_id, CC_id, rnti);
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	if (eNB_UE_stats == NULL) {
	  return -1;
	}
	
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	if(eNB_UE_stats->Po_PUCCH_update == 1) {
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		return eNB_UE_stats->Po_PUCCH_dBm;
	}
	else
		return -1;
}

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int flexran_get_p0_nominal_pucch(mid_t mod_id, int CC_id) {
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	int32_t pucch_rx_received = mac_xface->get_target_pucch_rx_power(mod_id, CC_id);
	return pucch_rx_received;
}

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int flexran_get_p0_pucch_status(mid_t mod_id, mid_t ue_id, int CC_id) {
        LTE_eNB_UE_stats *eNB_UE_stats = NULL;
	uint32_t rnti = flexran_get_ue_crnti(mod_id,ue_id);

	eNB_UE_stats =  mac_xface->get_eNB_UE_stats(mod_id, CC_id, rnti);
	return eNB_UE_stats->Po_PUCCH_update;
}

int flexran_update_p0_pucch(mid_t mod_id, mid_t ue_id, int CC_id) {
          LTE_eNB_UE_stats *eNB_UE_stats = NULL;
	uint32_t rnti = flexran_get_ue_crnti(mod_id,ue_id);

	eNB_UE_stats =  mac_xface->get_eNB_UE_stats(mod_id, CC_id, rnti);
	eNB_UE_stats->Po_PUCCH_update = 0;

	return 0;
}

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/*
 * ************************************
 * Get Messages for eNB Configuration Reply
 * ************************************
 */

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int flexran_get_hopping_offset(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->pusch_config_common.pusch_HoppingOffset;
}
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int flexran_get_hopping_mode(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->pusch_config_common.hoppingMode;
}
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int flexran_get_n_SB(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->pusch_config_common.n_SB;
}
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int flexran_get_enable64QAM(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->pusch_config_common.enable64QAM;
}
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int flexran_get_phich_duration(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->phich_config_common.phich_duration;
}
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int flexran_get_phich_resource(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	if(frame_parms->phich_config_common.phich_resource == oneSixth)
		return 0;
	else if(frame_parms->phich_config_common.phich_resource == half)
		return 1;
	else if(frame_parms->phich_config_common.phich_resource == one)
		return 2;
	else if(frame_parms->phich_config_common.phich_resource == two)
		return 3;

	return -1;
}
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int flexran_get_n1pucch_an(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->pucch_config_common.n1PUCCH_AN;
}
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int flexran_get_nRB_CQI(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->pucch_config_common.nRB_CQI;
}
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int flexran_get_deltaPUCCH_Shift(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->pucch_config_common.deltaPUCCH_Shift;
}
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int flexran_get_prach_ConfigIndex(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex;
}
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int flexran_get_prach_FreqOffset(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->prach_config_common.prach_ConfigInfo.prach_FreqOffset;
}
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int flexran_get_maxHARQ_Msg3Tx(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->maxHARQ_Msg3Tx;
}
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int flexran_get_ul_cyclic_prefix_length(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->Ncp_UL;
}
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int flexran_get_dl_cyclic_prefix_length(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->Ncp;
}
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int flexran_get_cell_id(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->Nid_cell;
}
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int flexran_get_srs_BandwidthConfig(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->soundingrs_ul_config_common.srs_BandwidthConfig;
}
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int flexran_get_srs_SubframeConfig(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->soundingrs_ul_config_common.srs_SubframeConfig;
}
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int flexran_get_srs_MaxUpPts(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->soundingrs_ul_config_common.srs_MaxUpPts;
}
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int flexran_get_N_RB_DL(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->N_RB_DL;
}
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int flexran_get_N_RB_UL(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->N_RB_UL;
}
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int flexran_get_N_RBG(mid_t mod_id, int CC_id) {
  	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->N_RBG;
}

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int flexran_get_subframe_assignment(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->tdd_config;
}
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int flexran_get_special_subframe_assignment(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
	return frame_parms->tdd_config_S;
}
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int flexran_get_ra_ResponseWindowSize(mid_t mod_id, int CC_id) {
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	Enb_properties_array_t *enb_properties;
	enb_properties = enb_config_get();
	return enb_properties->properties[mod_id]->rach_raResponseWindowSize[CC_id];
}
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int flexran_get_mac_ContentionResolutionTimer(mid_t mod_id, int CC_id) {
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	Enb_properties_array_t *enb_properties;
	enb_properties = enb_config_get();
	return enb_properties->properties[mod_id]->rach_macContentionResolutionTimer[CC_id];
}
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int flexran_get_duplex_mode(mid_t mod_id, int CC_id) {
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	LTE_DL_FRAME_PARMS   *frame_parms;

	frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
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	if(frame_parms->frame_type == TDD)
		return PROTOCOL__FLEX_DUPLEX_MODE__FLDM_TDD;
	else if (frame_parms->frame_type == FDD)
		return PROTOCOL__FLEX_DUPLEX_MODE__FLDM_FDD;
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	return -1;
}
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long flexran_get_si_window_length(mid_t mod_id, int CC_id) {
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	return  ((eNB_RRC_INST *)enb_rrc[mod_id])->carrier[CC_id].sib1->si_WindowLength;
}
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int flexran_get_sib1_length(mid_t mod_id, int CC_id) {
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	return  ((eNB_RRC_INST *)enb_rrc[mod_id])->carrier[CC_id].sizeof_SIB1;
}
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int flexran_get_num_pdcch_symb(mid_t mod_id, int CC_id) {
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  /* TODO: This should return the number of PDCCH symbols initially used by the cell CC_id */
  return 0;
  //(PHY_vars_UE_g[mod_id][CC_id]->lte_ue_pdcch_vars[mod_id]->num_pdcch_symbols);
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}

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/*
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 * ************************************
 * Get Messages for UE Configuration Reply
 * ************************************
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 */

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int flexran_get_time_alignment_timer(mid_t mod_id, mid_t ue_id) {
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	struct rrc_eNB_ue_context_s* ue_context_p = NULL;
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	uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
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	ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);
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	if(ue_context_p != NULL) {
	  if(ue_context_p->ue_context.mac_MainConfig != NULL)
	    return ue_context_p->ue_context.mac_MainConfig->timeAlignmentTimerDedicated;
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	}
	else
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	  return -1;
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}

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int flexran_get_meas_gap_config(mid_t mod_id, mid_t ue_id) {
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  struct rrc_eNB_ue_context_s* ue_context_p = NULL;
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  uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
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  ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);
  if(ue_context_p != NULL) {
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    if(ue_context_p->ue_context.measGapConfig != NULL) {
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      if(ue_context_p->ue_context.measGapConfig->present == MeasGapConfig_PR_setup) {
	if (ue_context_p->ue_context.measGapConfig->choice.setup.gapOffset.present == MeasGapConfig__setup__gapOffset_PR_gp0) {
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	  return PROTOCOL__FLEX_MEAS_GAP_CONFIG_PATTERN__FLMGCP_GP1;
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	} else if (ue_context_p->ue_context.measGapConfig->choice.setup.gapOffset.present == MeasGapConfig__setup__gapOffset_PR_gp1) {
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	  return PROTOCOL__FLEX_MEAS_GAP_CONFIG_PATTERN__FLMGCP_GP2;
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	} else {
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	  return PROTOCOL__FLEX_MEAS_GAP_CONFIG_PATTERN__FLMGCP_OFF;
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	}
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      }
    }
  }
  return -1;
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}

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int flexran_get_meas_gap_config_offset(mid_t mod_id, mid_t ue_id) {
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  struct rrc_eNB_ue_context_s* ue_context_p = NULL;
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  uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
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  ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);
  
  if(ue_context_p != NULL) {
    if(ue_context_p->ue_context.measGapConfig != NULL){
      if(ue_context_p->ue_context.measGapConfig->present == MeasGapConfig_PR_setup) {
	if (ue_context_p->ue_context.measGapConfig->choice.setup.gapOffset.present == MeasGapConfig__setup__gapOffset_PR_gp0) {
	  return ue_context_p->ue_context.measGapConfig->choice.setup.gapOffset.choice.gp0;
	} else if (ue_context_p->ue_context.measGapConfig->choice.setup.gapOffset.present == MeasGapConfig__setup__gapOffset_PR_gp1) {
	  return ue_context_p->ue_context.measGapConfig->choice.setup.gapOffset.choice.gp0;
	} 
      }
    }
  }
  return -1;
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}

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int flexran_get_ue_aggregated_max_bitrate_dl (mid_t mod_id, mid_t ue_id) {
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	return ((UE_list_t *)enb_ue[mod_id])->UE_sched_ctrl[ue_id].ue_AggregatedMaximumBitrateDL;
}

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int flexran_get_ue_aggregated_max_bitrate_ul (mid_t mod_id, mid_t ue_id) {
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	return ((UE_list_t *)enb_ue[mod_id])->UE_sched_ctrl[ue_id].ue_AggregatedMaximumBitrateUL;
}

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int flexran_get_half_duplex(mid_t ue_id) {
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  // TODO
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	//int halfduplex = 0;
	//int bands_to_scan = ((UE_RRC_INST *)enb_ue_rrc[ue_id])->UECap->UE_EUTRA_Capability->rf_Parameters.supportedBandListEUTRA.list.count;
	//for (int i =0; i < bands_to_scan; i++){
		//if(((UE_RRC_INST *)enb_ue_rrc[ue_id])->UECap->UE_EUTRA_Capability->rf_Parameters.supportedBandListEUTRA.list.array[i]->halfDuplex > 0)
		//	halfduplex = 1;
	//}
	//return halfduplex;
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}

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int flexran_get_intra_sf_hopping(mid_t ue_id) {
1046 1047 1048
	//TODO:Get proper value
	//temp = (((UE_RRC_INST *)enb_ue_rrc[ue_id])->UECap->UE_EUTRA_Capability->featureGroupIndicators->buf);
	//return (0 & ( 1 << (31)));
1049 1050
}

1051
int flexran_get_type2_sb_1(mid_t ue_id) {
1052 1053 1054 1055
	//TODO:Get proper value
	//uint8_t temp = 0;
	//temp = (((UE_RRC_INST *)enb_ue_rrc[ue_id])->UECap->UE_EUTRA_Capability->featureGroupIndicators->buf);
	//return (temp & ( 1 << (11)));
1056 1057
}

1058
int flexran_get_ue_category(mid_t ue_id) {
1059 1060
	//TODO:Get proper value
	//return (((UE_RRC_INST *)enb_ue_rrc[ue_id])->UECap->UE_EUTRA_Capability->ue_Category);
1061 1062
}

1063
int flexran_get_res_alloc_type1(mid_t ue_id) {
1064 1065 1066 1067
	//TODO:Get proper value
	//uint8_t temp = 0;
	//temp = (((UE_RRC_INST *)enb_ue_rrc[ue_id])->UECap->UE_EUTRA_Capability->featureGroupIndicators->buf);
	//return (temp & ( 1 << (30)));
1068 1069
}

1070
int flexran_get_ue_transmission_mode(mid_t mod_id, mid_t ue_id) {
1071
	struct rrc_eNB_ue_context_s* ue_context_p = NULL;
1072
	uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
1073 1074 1075

	ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);

1076 1077 1078 1079
	if(ue_context_p != NULL) {
	  if(ue_context_p->ue_context.physicalConfigDedicated != NULL){
	    return ue_context_p->ue_context.physicalConfigDedicated->antennaInfo->choice.explicitValue.transmissionMode;
	  }
1080 1081
	}
	else
1082
	  return -1;
1083 1084
}

1085
int flexran_get_tti_bundling(mid_t mod_id, mid_t ue_id) {
1086
	struct rrc_eNB_ue_context_s* ue_context_p = NULL;
1087
	uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
1088 1089

	ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);
1090 1091 1092 1093
	if(ue_context_p != NULL) {
	  if(ue_context_p->ue_context.mac_MainConfig != NULL){
	    return ue_context_p->ue_context.mac_MainConfig->ul_SCH_Config->ttiBundling;
	  }
1094 1095
	}
	else
1096
	  return -1;
1097 1098
}

1099
int flexran_get_maxHARQ_TX(mid_t mod_id, mid_t ue_id) {
1100
  struct rrc_eNB_ue_context_s* ue_context_p = NULL;
1101
  uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
1102 1103 1104 1105 1106 1107 1108 1109
  
  ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);
  if(ue_context_p != NULL) {
    if(ue_context_p->ue_context.mac_MainConfig != NULL){
      return *ue_context_p->ue_context.mac_MainConfig->ul_SCH_Config->maxHARQ_Tx;
    }
  }
  return -1;
1110 1111
}

1112
int flexran_get_beta_offset_ack_index(mid_t mod_id, mid_t ue_id) {
1113
	struct rrc_eNB_ue_context_s* ue_context_p = NULL;
1114
	uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
1115 1116

	ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);
1117 1118 1119 1120
	if(ue_context_p != NULL) {
	  if(ue_context_p->ue_context.physicalConfigDedicated != NULL){
	    return ue_context_p->ue_context.physicalConfigDedicated->pusch_ConfigDedicated->betaOffset_ACK_Index;
	  }
1121 1122
	}
	else
1123
	  return -1;
1124 1125
}

1126
int flexran_get_beta_offset_ri_index(mid_t mod_id, mid_t ue_id) {
1127
	struct rrc_eNB_ue_context_s* ue_context_p = NULL;
1128
	uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
1129 1130

	ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);
1131 1132 1133 1134
	if(ue_context_p != NULL) {
	  if(ue_context_p->ue_context.physicalConfigDedicated != NULL){
	    return ue_context_p->ue_context.physicalConfigDedicated->pusch_ConfigDedicated->betaOffset_RI_Index;
	  }
1135 1136
	}
	else
1137
	  return -1;
1138 1139
}

1140
int flexran_get_beta_offset_cqi_index(mid_t mod_id, mid_t ue_id) {
1141
	struct rrc_eNB_ue_context_s* ue_context_p = NULL;
1142
	uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
1143 1144

	ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);
1145 1146 1147 1148
	if(ue_context_p != NULL) {
	  if(ue_context_p->ue_context.physicalConfigDedicated != NULL){
	    return ue_context_p->ue_context.physicalConfigDedicated->pusch_ConfigDedicated->betaOffset_CQI_Index;
	  }
1149 1150
	}
	else
1151
	  return -1;
1152 1153
}

1154
int flexran_get_simultaneous_ack_nack_cqi(mid_t mod_id, mid_t ue_id) {
1155
  struct rrc_eNB_ue_context_s* ue_context_p = NULL;
1156
  uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
1157 1158 1159 1160 1161 1162 1163 1164 1165 1166
  
  ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);
  if(ue_context_p != NULL) {
    if(ue_context_p->ue_context.physicalConfigDedicated != NULL){
      if (ue_context_p->ue_context.physicalConfigDedicated->cqi_ReportConfig->cqi_ReportPeriodic != NULL) {
	return ue_context_p->ue_context.physicalConfigDedicated->cqi_ReportConfig->cqi_ReportPeriodic->choice.setup.simultaneousAckNackAndCQI;
      }
    }
  }
  return -1;
1167 1168
}

1169
int flexran_get_ack_nack_simultaneous_trans(mid_t mod_id,mid_t ue_id) {
1170
	return (&eNB_rrc_inst[mod_id])->carrier[0].sib2->radioResourceConfigCommon.soundingRS_UL_ConfigCommon.choice.setup.ackNackSRS_SimultaneousTransmission;
1171 1172
}

1173
int flexran_get_aperiodic_cqi_rep_mode(mid_t mod_id,mid_t ue_id) {
1174
  struct rrc_eNB_ue_context_s* ue_context_p = NULL;
1175
  uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
1176 1177 1178 1179 1180 1181 1182 1183 1184
  
  ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);
  
  if(ue_context_p != NULL) {
    if(ue_context_p->ue_context.physicalConfigDedicated != NULL){
      return *ue_context_p->ue_context.physicalConfigDedicated->cqi_ReportConfig->cqi_ReportModeAperiodic;
    }
  }
  return -1;
1185 1186
}

1187
int flexran_get_tdd_ack_nack_feedback(mid_t mod_id, mid_t ue_id) {
1188
	struct rrc_eNB_ue_context_s* ue_context_p = NULL;
1189
	uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
1190 1191 1192

	ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);

1193 1194 1195 1196
	if(ue_context_p != NULL) {
	  if(ue_context_p->ue_context.physicalConfigDedicated != NULL){
	    return ue_context_p->ue_context.physicalConfigDedicated->pucch_ConfigDedicated->tdd_AckNackFeedbackMode;
	  }
1197 1198
	}
	else
1199
	  return -1;
1200 1201
}

1202
int flexran_get_ack_nack_repetition_factor(mid_t mod_id, mid_t ue_id) {
1203
	struct rrc_eNB_ue_context_s* ue_context_p = NULL;
1204
	uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
1205 1206

	ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);
1207 1208 1209 1210
	if(ue_context_p != NULL) {
	  if(ue_context_p->ue_context.physicalConfigDedicated != NULL){
	    return ue_context_p->ue_context.physicalConfigDedicated->pucch_ConfigDedicated->ackNackRepetition.choice.setup.repetitionFactor;
	  }
1211 1212
	}
	else
1213
	  return -1;
1214 1215
}

1216
int flexran_get_extended_bsr_size(mid_t mod_id, mid_t ue_id) {
1217 1218
  //TODO: need to double check
  struct rrc_eNB_ue_context_s* ue_context_p = NULL;
1219
  uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
1220

1221 1222 1223 1224 1225 1226 1227
  ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);
  if(ue_context_p != NULL) {
    if(ue_context_p->ue_context.mac_MainConfig != NULL){
      if(ue_context_p->ue_context.mac_MainConfig->ext2 != NULL){
	long val = (*(ue_context_p->ue_context.mac_MainConfig->ext2->mac_MainConfig_v1020->extendedBSR_Sizes_r10));
	if (val > 0) {
	  return 1;
1228
	}
1229 1230 1231 1232
      }
    }
  }
  return -1;
1233 1234
}

1235
int flexran_get_ue_transmission_antenna(mid_t mod_id, mid_t ue_id) {
1236
	struct rrc_eNB_ue_context_s* ue_context_p = NULL;
1237
	uint32_t rntiP = flexran_get_ue_crnti(mod_id,ue_id);
1238 1239 1240

	ue_context_p = rrc_eNB_get_ue_context(&eNB_rrc_inst[mod_id],rntiP);

1241 1242 1243 1244 1245 1246 1247 1248 1249
	if(ue_context_p != NULL) {
	  if(ue_context_p->ue_context.physicalConfigDedicated != NULL){
	    if(ue_context_p->ue_context.physicalConfigDedicated->antennaInfo->choice.explicitValue.ue_TransmitAntennaSelection.choice.setup == AntennaInfoDedicated__ue_TransmitAntennaSelection__setup_closedLoop)
	      return 2;
	    else if(ue_context_p->ue_context.physicalConfigDedicated->antennaInfo->choice.explicitValue.ue_TransmitAntennaSelection.choice.setup == AntennaInfoDedicated__ue_TransmitAntennaSelection__setup_openLoop)
	      return 1;
	    else
	      return 0;
	  }
1250
	}
1251
	else
1252
	  return -1;
1253 1254
}

1255
int flexran_get_lcg(mid_t ue_id, mid_t lc_id) {
1256 1257 1258
  if (UE_mac_inst == NULL) {
    return -1;
  }
1259 1260 1261 1262 1263
  if(UE_mac_inst[ue_id].logicalChannelConfig[lc_id] != NULL) {
    return *UE_mac_inst[ue_id].logicalChannelConfig[lc_id]->ul_SpecificParameters->logicalChannelGroup;
  } else {
    return -1;
  }
1264 1265
}

1266
int flexran_get_direction(mid_t ue_id, mid_t lc_id) {
1267
	/*TODO: fill with the value for the rest of LCID*/
1268 1269 1270 1271
  if(lc_id == DCCH | lc_id == DCCH1)
    return 2;
  else if(lc_id == DTCH)
    return 1;
1272 1273
}

1274
int flexran_agent_ue_state_change(mid_t mod_id, uint32_t rnti, uint8_t state_change) {
1275
  int size;
1276 1277
  Protocol__FlexranMessage *msg;
  Protocol__FlexHeader *header;
1278 1279 1280 1281 1282 1283
  void *data;
  int priority;
  err_code_t err_code;

  int xid = 0;

1284
  if (flexran_create_header(xid, PROTOCOL__FLEX_TYPE__FLPT_UE_STATE_CHANGE, &header) != 0)
1285 1286
    goto error;

1287 1288
  Protocol__FlexUeStateChange *ue_state_change_msg;
  ue_state_change_msg = malloc(sizeof(Protocol__FlexUeStateChange));
1289 1290 1291
  if(ue_state_change_msg == NULL) {
    goto error;
  }
1292
  protocol__flex_ue_state_change__init(ue_state_change_msg);
1293 1294 1295
  ue_state_change_msg->has_type = 1;
  ue_state_change_msg->type = state_change;

1296 1297
  Protocol__FlexUeConfig *config;
  config = malloc(sizeof(Protocol__FlexUeConfig));
1298 1299 1300
  if (config == NULL) {
    goto error;
  }
1301 1302
  protocol__flex_ue_config__init(config);
  if (state_change == PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_DEACTIVATED) {
1303 1304 1305
    // Simply set the rnti of the UE
    config->has_rnti = 1;
    config->rnti = rnti;
1306 1307
  } else if (state_change == PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_UPDATED
	     || state_change == PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_ACTIVATED) {
1308 1309 1310 1311 1312
	  	  int i = find_UE_id(mod_id, rnti);
		  config->has_rnti = 1;
		  config->rnti = rnti;
	  	  if(flexran_get_time_alignment_timer(mod_id,i) != -1) {
	  		  config->time_alignment_timer = flexran_get_time_alignment_timer(mod_id,i);
1313 1314
	  		  config->has_time_alignment_timer = 1;
	  	  }
1315 1316
	  	  if(flexran_get_meas_gap_config(mod_id,i) != -1){
	  		  config->meas_gap_config_pattern = flexran_get_meas_gap_config(mod_id,i);
1317 1318
	  	  	  config->has_meas_gap_config_pattern = 1;
	  	  }
1319
	  	  if(config->has_meas_gap_config_pattern == 1 &&
1320
		     config->meas_gap_config_pattern != PROTOCOL__FLEX_MEAS_GAP_CONFIG_PATTERN__FLMGCP_OFF) {
1321
		    config->meas_gap_config_sf_offset = flexran_get_meas_gap_config_offset(mod_id,i);
1322
		    config->has_meas_gap_config_sf_offset = 1;
1323 1324
	  	  }
	  	  //TODO: Set the SPS configuration (Optional)
1325
	  	  //Not supported for now, so we do not set it
1326 1327 1328 1329 1330 1331

	  	  //TODO: Set the SR configuration (Optional)
	  	  //We do not set it for now

	  	  //TODO: Set the CQI configuration (Optional)
	  	  //We do not set it for now
1332
		  
1333 1334
		  if(flexran_get_ue_transmission_mode(mod_id,i) != -1) {
	  		  config->transmission_mode = flexran_get_ue_transmission_mode(mod_id,i);
1335 1336 1337
	  		  config->has_transmission_mode = 1;
	  	  }

1338
		  config->ue_aggregated_max_bitrate_ul = flexran_get_ue_aggregated_max_bitrate_ul(mod_id,i);
1339 1340
	  	  config->has_ue_aggregated_max_bitrate_ul = 1;

1341
		  config->ue_aggregated_max_bitrate_dl = flexran_get_ue_aggregated_max_bitrate_dl(mod_id,i);
1342 1343 1344
	  	  config->has_ue_aggregated_max_bitrate_dl = 1;

	  	  //TODO: Set the UE capabilities
1345 1346 1347
	  	  Protocol__FlexUeCapabilities *c_capabilities;
	  	  c_capabilities = malloc(sizeof(Protocol__FlexUeCapabilities));
	  	  protocol__flex_ue_capabilities__init(c_capabilities);
1348
	  	  //TODO: Set half duplex (FDD operation)
1349
	  	  c_capabilities->has_half_duplex = 0;
1350
	  	  c_capabilities->half_duplex = 1;//flexran_get_half_duplex(i);
1351
	  	  //TODO: Set intra-frame hopping flag
1352
	  	  c_capabilities->has_intra_sf_hopping = 0;
1353
	  	  c_capabilities->intra_sf_hopping = 1;//flexran_get_intra_sf_hopping(i);
1354
	  	  //TODO: Set support for type 2 hopping with n_sb > 1
1355
	  	  c_capabilities->has_type2_sb_1 = 0;
1356
	  	  c_capabilities->type2_sb_1 = 1;//flexran_get_type2_sb_1(i);
1357
	  	  //TODO: Set ue category
1358
	  	  c_capabilities->has_ue_category = 0;
1359
	  	  c_capabilities->ue_category = 1;//flexran_get_ue_category(i);
1360
	  	  //TODO: Set UE support for resource allocation type 1
1361
	  	  c_capabilities->has_res_alloc_type1 = 0;
1362
	  	  c_capabilities->res_alloc_type1 = 1;//flexran_get_res_alloc_type1(i);
1363 1364
	  	  //Set the capabilites to the message
	  	  config->capabilities = c_capabilities;
1365
		  
1366 1367 1368
	  	  if(flexran_get_ue_transmission_antenna(mod_id,i) != -1) {
		    config->has_ue_transmission_antenna = 1;
		    config->ue_transmission_antenna = flexran_get_ue_transmission_antenna(mod_id,i);
1369
	  	  }
1370

1371 1372 1373
	  	  if(flexran_get_tti_bundling(mod_id,i) != -1) {
		    config->has_tti_bundling = 1;
		    config->tti_bundling = flexran_get_tti_bundling(mod_id,i);
1374
	  	  }
1375

1376 1377 1378
	  	  if(flexran_get_maxHARQ_TX(mod_id,i) != -1){
		    config->has_max_harq_tx = 1;
		    config->max_harq_tx = flexran_get_maxHARQ_TX(mod_id,i);
1379
	  	  }
1380

1381 1382 1383
	  	  if(flexran_get_beta_offset_ack_index(mod_id,i) != -1) {
		    config->has_beta_offset_ack_index = 1;
		    config->beta_offset_ack_index = flexran_get_beta_offset_ack_index(mod_id,i);
1384
	  	  }
1385

1386 1387 1388
	  	  if(flexran_get_beta_offset_ri_index(mod_id,i) != -1) {
		    config->has_beta_offset_ri_index = 1;
		    config->beta_offset_ri_index = flexran_get_beta_offset_ri_index(mod_id,i);
1389
	  	  }
1390

1391 1392 1393
	  	  if(flexran_get_beta_offset_cqi_index(mod_id,i) != -1) {
		    config->has_beta_offset_cqi_index = 1;
		    config->beta_offset_cqi_index = flexran_get_beta_offset_cqi_index(mod_id,i);
1394
	  	  }
1395

1396 1397 1398
	  	  if(flexran_get_ack_nack_simultaneous_trans(mod_id,i) != -1) {
		    config->has_ack_nack_simultaneous_trans = 1;
		    config->ack_nack_simultaneous_trans = flexran_get_ack_nack_simultaneous_trans(mod_id,i);
1399
	  	  }
1400

1401 1402 1403
	  	  if(flexran_get_simultaneous_ack_nack_cqi(mod_id,i) != -1) {
		    config->has_simultaneous_ack_nack_cqi = 1;
		    config->simultaneous_ack_nack_cqi = flexran_get_simultaneous_ack_nack_cqi(mod_id,i);
1404
	  	  }
1405

1406 1407 1408 1409 1410 1411 1412 1413
	  	  if(flexran_get_aperiodic_cqi_rep_mode(mod_id,i) != -1) {
		    config->has_aperiodic_cqi_rep_mode = 1;
		    int mode = flexran_get_aperiodic_cqi_rep_mode(mod_id,i);
		    if (mode > 4) {
		      config->aperiodic_cqi_rep_mode = PROTOCOL__FLEX_APERIODIC_CQI_REPORT_MODE__FLACRM_NONE;
		    } else {
		      config->aperiodic_cqi_rep_mode = mode;
		    }
1414
	  	  }
1415

1416 1417 1418
	  	  if(flexran_get_tdd_ack_nack_feedback(mod_id, i) != -1) {
		    config->has_tdd_ack_nack_feedback = 1;
		    config->tdd_ack_nack_feedback = flexran_get_tdd_ack_nack_feedback(mod_id,i);
1419
	  	  }
1420

1421 1422 1423
	  	  if(flexran_get_ack_nack_repetition_factor(mod_id, i) != -1) {
		    config->has_ack_nack_repetition_factor = 1;
		    config->ack_nack_repetition_factor = flexran_get_ack_nack_repetition_factor(mod_id,i);
1424
	  	  }
1425

1426 1427 1428
	  	  if(flexran_get_extended_bsr_size(mod_id, i) != -1) {
		    config->has_extended_bsr_size = 1;
		    config->extended_bsr_size = flexran_get_extended_bsr_size(mod_id,i);
1429
	  	  }
1430

1431 1432
		  config->has_pcell_carrier_index = 1;
		  config->pcell_carrier_index = UE_PCCID(mod_id, i);
1433 1434 1435 1436
	  	  //TODO: Set carrier aggregation support (boolean)
	  	  config->has_ca_support = 0;
	  	  config->ca_support = 0;
	  	  if(config->has_ca_support){
1437 1438 1439 1440 1441 1442 1443 1444 1445
		    //TODO: Set cross carrier scheduling support (boolean)
		    config->has_cross_carrier_sched_support = 1;
		    config->cross_carrier_sched_support = 0;
		    //TODO: Set secondary cells configuration
		    // We do not set it for now. No carrier aggregation support
		    
		    //TODO: Set deactivation timer for secondary cell
		    config->has_scell_deactivation_timer = 0;
		    config->scell_deactivation_timer = 0;
1446
	  	  }
1447
  } else if (state_change == PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_MOVED) {
1448 1449 1450 1451
    // TODO: Not supported for now. Leave blank
  }

  ue_state_change_msg->config = config;
1452
  msg = malloc(sizeof(Protocol__FlexranMessage));
1453 1454 1455
  if (msg == NULL) {
    goto error;
  }
1456 1457 1458
  protocol__flexran_message__init(msg);
  msg->msg_case = PROTOCOL__FLEXRAN_MESSAGE__MSG_UE_STATE_CHANGE_MSG;
  msg->msg_dir = PROTOCOL__FLEXRAN_DIRECTION__INITIATING_MESSAGE;
1459 1460
  msg->ue_state_change_msg = ue_state_change_msg;

1461
  data = flexran_agent_pack_message(msg, &size);
1462
  /*Send sr info using the MAC channel of the eNB*/
1463
  if (flexran_agent_msg_send(mod_id, FLEXRAN_AGENT_DEFAULT, data, size, priority)) {
1464
    err_code = PROTOCOL__FLEXRAN_ERR__MSG_ENQUEUING;
1465 1466 1467
    goto error;
  }

1468
  LOG_D(FLEXRAN_AGENT,"sent message with size %d\n", size);
1469 1470
  return;
 error:
1471
  LOG_D(FLEXRAN_AGENT, "Could not send UE state message\n");
1472
}
1473

1474

1475

1476
int flexran_agent_lc_config_reply(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg) {
1477 1478

  xid_t xid;
1479 1480
  Protocol__FlexranMessage *input = (Protocol__FlexranMessage *)params;
  Protocol__FlexLcConfigRequest *lc_config_request_msg = input->lc_config_request_msg;
1481 1482 1483
  xid = (lc_config_request_msg->header)->xid;

  int i, j;
1484
  Protocol__FlexHeader *header;
1485
  if(flexran_create_header(xid, PROTOCOL__FLEX_TYPE__FLPT_GET_LC_CONFIG_REPLY, &header) != 0)
1486 1487
    goto error;

1488 1489
  Protocol__FlexLcConfigReply *lc_config_reply_msg;
  lc_config_reply_msg = malloc(sizeof(Protocol__FlexLcConfigReply));
1490 1491
  if(lc_config_reply_msg == NULL)
    goto error;
1492
  protocol__flex_lc_config_reply__init(lc_config_reply_msg);
1493 1494
  lc_config_reply_msg->header = header;

1495
  lc_config_reply_msg->n_lc_ue_config = flexran_get_num_ues(mod_id);
1496

1497
  Protocol__FlexLcUeConfig **lc_ue_config;
1498
  if (lc_config_reply_msg->n_lc_ue_config > 0) {
1499
    lc_ue_config = malloc(sizeof(Protocol__FlexLcUeConfig *) * lc_config_reply_msg->n_lc_ue_config);
1500 1501 1502 1503 1504
    if (lc_ue_config == NULL) {
      goto error;
    }
    // Fill the config for each UE
    for (i = 0; i < lc_config_reply_msg->n_lc_ue_config; i++) {
1505 1506
      lc_ue_config[i] = malloc(sizeof(Protocol__FlexLcUeConfig));
      protocol__flex_lc_ue_config__init(lc_ue_config[i]);
1507

1508
      lc_ue_config[i]->has_rnti = 1;
1509
      lc_ue_config[i]->rnti = flexran_get_ue_crnti(mod_id,i);
1510

1511
      //TODO: Set the number of LC configurations that will be reported for this UE
1512 1513
      //Set this according to the current state of the UE. This is only a temporary fix
      int status = 0;
1514
      status = mac_eNB_get_rrc_status(mod_id, flexran_get_ue_crnti(mod_id, i));
1515 1516 1517 1518 1519 1520 1521
      if (status < RRC_CONNECTED) {
	lc_ue_config[i]->n_lc_config = 0;
      } else if (status == RRC_CONNECTED) {
	lc_ue_config[i]->n_lc_config = 1;
      } else {
	lc_ue_config[i]->n_lc_config = 3;
      }
1522

1523
      Protocol__FlexLcConfig **lc_config;
1524
      if (lc_ue_config[i]->n_lc_config > 0) {
1525
	lc_config = malloc(sizeof(Protocol__FlexLcConfig *) * lc_ue_config[i]->n_lc_config);
1526 1527 1528 1529
	if (lc_config == NULL) {
	  goto error;
	}
	for (j = 0; j < lc_ue_config[i]->n_lc_config; j++) {
1530 1531
	  lc_config[j] = malloc(sizeof(Protocol__FlexLcConfig));
	  protocol__flex_lc_config__init(lc_config[j]);
1532
	 
1533 1534
	  lc_config[j]->has_lcid = 1;
	  lc_config[j]->lcid = j+1;
1535
	 
1536
	  int lcg = flexran_get_lcg(i, j+1);
1537 1538
	  if (lcg >= 0 && lcg <= 3) {
	    lc_config[j]->has_lcg = 1;
1539
	    lc_config[j]->lcg = flexran_get_lcg(i,j+1);
1540
	  }
1541
	 
1542
	  lc_config[j]->has_direction = 1;
1543
	  lc_config[j]->direction = flexran_get_direction(i,j+1);
1544
	  //TODO: Bearer type. One of FLQBT_* values. Currently only default bearer supported
1545
	  lc_config[j]->has_qos_bearer_type = 1;
1546
	  lc_config[j]->qos_bearer_type = PROTOCOL__FLEX_QOS_BEARER_TYPE__FLQBT_NON_GBR;
1547

1548
	  //TODO: Set the QCI defined in TS 23.203, coded as defined in TS 36.413
1549
	  // One less than the actual QCI value. Needs to be generalized
1550 1551
	  lc_config[j]->has_qci = 1;
	  lc_config[j]->qci = 1;
1552
	  if (lc_config[j]->direction == PROTOCOL__FLEX_QOS_BEARER_TYPE__FLQBT_GBR) {
1553
	    //TODO: Set the max bitrate (UL)
1554 1555
	    lc_config[j]->has_e_rab_max_bitrate_ul = 0;
	    lc_config[j]->e_rab_max_bitrate_ul = 0;
1556
	    //TODO: Set the max bitrate (DL)
1557 1558
	    lc_config[j]->has_e_rab_max_bitrate_dl = 0;
	    lc_config[j]->e_rab_max_bitrate_dl = 0;
1559
	    //TODO: Set the guaranteed bitrate (UL)
1560 1561
	    lc_config[j]->has_e_rab_guaranteed_bitrate_ul = 0;
	    lc_config[j]->e_rab_guaranteed_bitrate_ul = 0;
1562
	    //TODO: Set the guaranteed bitrate (DL)
1563 1564
	    lc_config[j]->has_e_rab_guaranteed_bitrate_dl = 0;
	    lc_config[j]->e_rab_guaranteed_bitrate_dl = 0;
1565 1566 1567 1568 1569 1570 1571
	  }
	}
	lc_ue_config[i]->lc_config = lc_config;
      }
    } // end for UE
    lc_config_reply_msg->lc_ue_config = lc_ue_config;
  } // lc_config_reply_msg->n_lc_ue_config > 0
1572
  *msg = malloc(sizeof(Protocol__FlexranMessage));
1573 1574
  if (*msg == NULL)
    goto error;
1575 1576 1577
  protocol__flexran_message__init(*msg);
  (*msg)->msg_case = PROTOCOL__FLEXRAN_MESSAGE__MSG_LC_CONFIG_REPLY_MSG;
  (*msg)->msg_dir = PROTOCOL__FLEXRAN_DIRECTION__SUCCESSFUL_OUTCOME;
1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589
  (*msg)->lc_config_reply_msg = lc_config_reply_msg;

  return 0;

 error:
  // TODO: Need to make proper error handling
  if (header != NULL)
    free(header);
  if (lc_config_reply_msg != NULL)
    free(lc_config_reply_msg);
  if(*msg != NULL)
    free(*msg);
1590
  //LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
1591 1592 1593 1594 1595 1596 1597 1598 1599
  return -1;
}

/*
 * ************************************
 * UE Configuration Reply
 * ************************************
 */

1600
int flexran_agent_ue_config_reply(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg) {
1601 1602

  xid_t xid;
1603 1604
  Protocol__FlexranMessage *input = (Protocol__FlexranMessage *)params;
  Protocol__FlexUeConfigRequest *ue_config_request_msg = input->ue_config_request_msg;
1605 1606 1607 1608
  xid = (ue_config_request_msg->header)->xid;

  int i;

1609
  Protocol__FlexHeader *header;
1610
  if(flexran_create_header(xid, PROTOCOL__FLEX_TYPE__FLPT_GET_UE_CONFIG_REPLY, &header) != 0)
1611 1612
    goto error;

1613 1614
  Protocol__FlexUeConfigReply *ue_config_reply_msg;
  ue_config_reply_msg = malloc(sizeof(Protocol__FlexUeConfigReply));
1615 1616
  if(ue_config_reply_msg == NULL)
    goto error;
1617
  protocol__flex_ue_config_reply__init(ue_config_reply_msg);
1618 1619
  ue_config_reply_msg->header = header;

1620
  ue_config_reply_msg->n_ue_config = flexran_get_num_ues(mod_id);
1621

1622
  Protocol__FlexUeConfig **ue_config;
1623
  if (ue_config_reply_msg->n_ue_config > 0) {
1624
    ue_config = malloc(sizeof(Protocol__FlexUeConfig *) * ue_config_reply_msg->n_ue_config);
1625 1626 1627 1628
    if (ue_config == NULL) {
      goto error;
    }
    for (i = 0; i < ue_config_reply_msg->n_ue_config; i++) {
1629 1630
      ue_config[i] = malloc(sizeof(Protocol__FlexUeConfig));
      protocol__flex_ue_config__init(ue_config[i]);
1631

1632
      ue_config[i]->rnti = flexran_get_ue_crnti(mod_id,i);
1633 1634 1635 1636
      ue_config[i]->has_rnti = 1;
      //TODO: Set the DRX configuration (optional)
      //Not supported for now, so we do not set it

1637 1638
      if (flexran_get_time_alignment_timer(mod_id,i) != -1) {
    	  ue_config[i]->time_alignment_timer = flexran_get_time_alignment_timer(mod_id,i);
1639
    	  ue_config[i]->has_time_alignment_timer = 1;
1640
      }
1641

1642 1643
      if (flexran_get_meas_gap_config(mod_id,i) != -1) {
    	  ue_config[i]->meas_gap_config_pattern = flexran_get_meas_gap_config(mod_id,i);
1644
    	  ue_config[i]->has_meas_gap_config_pattern = 1;
1645
      }
1646
 
1647
      if (ue_config[i]->has_meas_gap_config_pattern == 1 &&
1648
	 ue_config[i]->meas_gap_config_pattern != PROTOCOL__FLEX_MEAS_GAP_CONFIG_PATTERN__FLMGCP_OFF) {
1649
	ue_config[i]->meas_gap_config_sf_offset = flexran_get_meas_gap_config_offset(mod_id,i);
1650 1651
	ue_config[i]->has_meas_gap_config_sf_offset = 1;
      }
1652 1653 1654 1655 1656 1657 1658 1659 1660
      //TODO: Set the SPS configuration (Optional)
      //Not supported for noe, so we do not set it

      //TODO: Set the SR configuration (Optional)
      //We do not set it for now

      //TODO: Set the CQI configuration (Optional)
      //We do not set it for now

1661 1662 1663 1664
      if (flexran_get_ue_transmission_mode(mod_id,i) != -1) {
	ue_config[i]->transmission_mode = flexran_get_ue_transmission_mode(mod_id,i);
	ue_config[i]->has_transmission_mode = 1;
      }
1665

1666
      ue_config[i]->ue_aggregated_max_bitrate_ul = flexran_get_ue_aggregated_max_bitrate_ul(mod_id,i);
1667 1668
      ue_config[i]->has_ue_aggregated_max_bitrate_ul = 1;

1669
      ue_config[i]->ue_aggregated_max_bitrate_dl = flexran_get_ue_aggregated_max_bitrate_dl(mod_id,i);
1670 1671
      ue_config[i]->has_ue_aggregated_max_bitrate_dl = 1;

1672 1673 1674
      Protocol__FlexUeCapabilities *capabilities;
      capabilities = malloc(sizeof(Protocol__FlexUeCapabilities));
      protocol__flex_ue_capabilities__init(capabilities);
1675
      //TODO: Set half duplex (FDD operation)
1676
      capabilities->has_half_duplex = 0;
1677
      capabilities->half_duplex = 0;//flexran_get_half_duplex(i);
1678
      //TODO: Set intra-frame hopping flag
1679
      capabilities->has_intra_sf_hopping = 0;
1680
      capabilities->intra_sf_hopping = 1;//flexran_get_intra_sf_hopping(i);
1681
      //TODO: Set support for type 2 hopping with n_sb > 1
1682
      capabilities->has_type2_sb_1 = 0;
1683
      capabilities->type2_sb_1 = 1;//flexran_get_type2_sb_1(i);
1684
      //TODO: Set ue category
1685
      capabilities->has_ue_category = 0;
1686
      capabilities->ue_category = 1;//flexran_get_ue_category(i);
1687
      //TODO: Set UE support for resource allocation type 1
1688
      capabilities->has_res_alloc_type1 = 0;
1689
      capabilities->res_alloc_type1 = 1;//flexran_get_res_alloc_type1(i);
1690 1691
      //Set the capabilites to the message
      ue_config[i]->capabilities = capabilities;
1692

1693 1694 1695 1696
      if (flexran_get_ue_transmission_antenna(mod_id,i) != -1) {
	ue_config[i]->has_ue_transmission_antenna = 1;
	ue_config[i]->ue_transmission_antenna = flexran_get_ue_transmission_antenna(mod_id,i);
      }
1697

1698 1699 1700 1701
      if (flexran_get_tti_bundling(mod_id,i) != -1) {
	ue_config[i]->has_tti_bundling = 1;
	ue_config[i]->tti_bundling = flexran_get_tti_bundling(mod_id,i);
      }
1702

1703 1704 1705 1706
      if (flexran_get_maxHARQ_TX(mod_id,i) != -1) {
	ue_config[i]->has_max_harq_tx = 1;
	ue_config[i]->max_harq_tx = flexran_get_maxHARQ_TX(mod_id,i);
      }
1707

1708 1709 1710 1711
      if (flexran_get_beta_offset_ack_index(mod_id,i) != -1) {
	ue_config[i]->has_beta_offset_ack_index = 1;
	ue_config[i]->beta_offset_ack_index = flexran_get_beta_offset_ack_index(mod_id,i);
      }
1712

1713 1714 1715 1716
      if (flexran_get_beta_offset_ri_index(mod_id,i) != -1) {
	ue_config[i]->has_beta_offset_ri_index = 1;
    	  ue_config[i]->beta_offset_ri_index = flexran_get_beta_offset_ri_index(mod_id,i);
      }
1717

1718 1719 1720
      if (flexran_get_beta_offset_cqi_index(mod_id,i) != -1) {
	ue_config[i]->has_beta_offset_cqi_index = 1;
	ue_config[i]->beta_offset_cqi_index = flexran_get_beta_offset_cqi_index(mod_id,i);
1721 1722
      }
      
1723 1724 1725 1726
      if (flexran_get_ack_nack_simultaneous_trans(mod_id,i) != -1) {
	ue_config[i]->has_ack_nack_simultaneous_trans = 1;
	ue_config[i]->ack_nack_simultaneous_trans = flexran_get_ack_nack_simultaneous_trans(mod_id,i);
      }
1727
      
1728 1729 1730 1731
      if (flexran_get_simultaneous_ack_nack_cqi(mod_id,i) != -1) {
	ue_config[i]->has_simultaneous_ack_nack_cqi = 1;
	ue_config[i]->simultaneous_ack_nack_cqi = flexran_get_simultaneous_ack_nack_cqi(mod_id,i);
      }
1732
      
1733 1734 1735 1736 1737 1738 1739 1740
      if (flexran_get_aperiodic_cqi_rep_mode(mod_id,i) != -1) {
	ue_config[i]->has_aperiodic_cqi_rep_mode = 1;
	int mode = flexran_get_aperiodic_cqi_rep_mode(mod_id,i);
	if (mode > 4) {
	  ue_config[i]->aperiodic_cqi_rep_mode = PROTOCOL__FLEX_APERIODIC_CQI_REPORT_MODE__FLACRM_NONE;
	} else {
	  ue_config[i]->aperiodic_cqi_rep_mode = mode;
	}
1741
      }
1742
      
1743
      if (flexran_get_tdd_ack_nack_feedback(mod_id, i) != -1) {
1744
	ue_config[i]->has_tdd_ack_nack_feedback = 1;
1745
	ue_config[i]->tdd_ack_nack_feedback = flexran_get_tdd_ack_nack_feedback(mod_id,i);
1746
      }
1747
      
1748
      if(flexran_get_ack_nack_repetition_factor(mod_id, i) != -1) {
1749
	ue_config[i]->has_ack_nack_repetition_factor = 1;
1750
	ue_config[i]->ack_nack_repetition_factor = flexran_get_ack_nack_repetition_factor(mod_id,i);
1751
      }
1752
      
1753
      if (flexran_get_extended_bsr_size(mod_id, i) != -1) {
1754
	ue_config[i]->has_extended_bsr_size = 1;
1755
	ue_config[i]->extended_bsr_size = flexran_get_extended_bsr_size(mod_id,i);
1756
      }
1757 1758 1759
      //TODO: Set carrier aggregation support (boolean)
      ue_config[i]->has_ca_support = 0;
      ue_config[i]->ca_support = 0;
1760

1761 1762
      ue_config[i]->has_pcell_carrier_index = 1;
      ue_config[i]->pcell_carrier_index = UE_PCCID(mod_id, i);
1763
      if(ue_config[i]->has_ca_support){
1764
	//TODO: Set cross carrier scheduling support (boolean)
1765
	ue_config[i]->has_cross_carrier_sched_support = 0;
1766 1767 1768 1769
	ue_config[i]->cross_carrier_sched_support = 0;
	//TODO: Set secondary cells configuration
	// We do not set it for now. No carrier aggregation support
	//TODO: Set deactivation timer for secondary cell
1770 1771
	ue_config[i]->has_scell_deactivation_timer = 0;
	ue_config[i]->scell_deactivation_timer = 0;
1772 1773 1774 1775
      }
    }
    ue_config_reply_msg->ue_config = ue_config;
  }
1776
  *msg = malloc(sizeof(Protocol__FlexranMessage));
1777 1778
  if (*msg == NULL)
    goto error;
1779 1780 1781
  protocol__flexran_message__init(*msg);
  (*msg)->msg_case = PROTOCOL__FLEXRAN_MESSAGE__MSG_UE_CONFIG_REPLY_MSG;
  (*msg)->msg_dir = PROTOCOL__FLEXRAN_DIRECTION__SUCCESSFUL_OUTCOME;
1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792
  (*msg)->ue_config_reply_msg = ue_config_reply_msg;
  return 0;

 error:
  // TODO: Need to make proper error handling
  if (header != NULL)
    free(header);
  if (ue_config_reply_msg != NULL)
    free(ue_config_reply_msg);
  if(*msg != NULL)
    free(*msg);
1793
  //LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
1794 1795 1796 1797
  return -1;
}


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1798 1799 1800 1801 1802 1803
/*
 * ************************************
 * eNB Configuration Request and Reply
 * ************************************
 */

1804
int flexran_agent_enb_config_request(mid_t mod_id, const void* params, Protocol__FlexranMessage **msg) {
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1805

1806
	Protocol__FlexHeader *header;
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1807
	xid_t xid = 1;
1808 1809
	if(flexran_create_header(xid,PROTOCOL__FLEX_TYPE__FLPT_GET_ENB_CONFIG_REQUEST, &header) != 0)
	  goto error;
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1810

1811 1812
	Protocol__FlexEnbConfigRequest *enb_config_request_msg;
	enb_config_request_msg = malloc(sizeof(Protocol__FlexEnbConfigRequest));
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1813 1814

	if(enb_config_request_msg == NULL)
1815
	  goto error;
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1816

1817
	protocol__flex_enb_config_request__init(enb_config_request_msg);
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1818 1819
	enb_config_request_msg->header = header;

1820
	*msg = malloc(sizeof(Protocol__FlexranMessage));
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1821
	if(*msg == NULL)
1822
	  goto error;
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1823

1824 1825 1826
	protocol__flexran_message__init(*msg);
	(*msg)->msg_case = PROTOCOL__FLEXRAN_MESSAGE__MSG_ENB_CONFIG_REQUEST_MSG;
	(*msg)->msg_dir = PROTOCOL__FLEXRAN_DIRECTION__INITIATING_MESSAGE;
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1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841
	(*msg)->enb_config_request_msg = enb_config_request_msg;
	return 0;

	error:
	  // TODO: Need to make proper error handling
	  if (header != NULL)
	    free(header);
	  if (enb_config_request_msg != NULL)
	    free(enb_config_request_msg);
	  if(*msg != NULL)
	    free(*msg);
	  //LOG_E(MAC, "%s: an error occured\n", __FUNCTION__);
	  return -1;
}

1842
int flexran_agent_enb_config_reply(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg) {
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1843

1844
  xid_t xid;
1845 1846
  Protocol__FlexranMessage *input = (Protocol__FlexranMessage *)params;
  Protocol__FlexEnbConfigRequest *enb_config_req_msg = input->enb_config_request_msg;
1847 1848 1849 1850 1851 1852
  xid = (enb_config_req_msg->header)->xid;
  
  int i, j, k;
  int cc_id = 0;
  int enb_id = mod_id;
  
1853
  Protocol__FlexHeader *header;
1854
  if(flexran_create_header(xid, PROTOCOL__FLEX_TYPE__FLPT_GET_ENB_CONFIG_REPLY, &header) != 0)
1855 1856
    goto error;
  
1857
   Protocol__FlexEnbConfigReply *enb_config_reply_msg;
1858
  enb_config_reply_msg = malloc(sizeof(Protocol__FlexEnbConfigReply));
1859 1860
  if(enb_config_reply_msg == NULL)
    goto error;
1861
  protocol__flex_enb_config_reply__init(enb_config_reply_msg);
1862 1863 1864 1865 1866 1867 1868
  enb_config_reply_msg->header = header;
  
  enb_config_reply_msg->enb_id = mod_id;
  
  
  enb_config_reply_msg->n_cell_config = MAX_NUM_CCs;
  
1869
  Protocol__FlexCellConfig **cell_conf;
1870
  if(enb_config_reply_msg->n_cell_config > 0){
1871
    cell_conf = malloc(sizeof(Protocol__FlexCellConfig *) * enb_config_reply_msg->n_cell_config);
1872 1873 1874
    if(cell_conf == NULL)
      goto error;
    for(i = 0; i < enb_config_reply_msg->n_cell_config; i++){
1875 1876
      cell_conf[i] = malloc(sizeof(Protocol__FlexCellConfig));
      protocol__flex_cell_config__init(cell_conf[i]);
1877

1878
      cell_conf[i]->phy_cell_id = 1;
1879
      cell_conf[i]->has_phy_cell_id = flexran_get_cell_id(enb_id,i);
1880

1881
      cell_conf[i]->cell_id = i;
1882
      cell_conf[i]->has_cell_id = 1;
1883

1884
      cell_conf[i]->pusch_hopping_offset = flexran_get_hopping_offset(enb_id,i);
1885
      cell_conf[i]->has_pusch_hopping_offset = 1;
1886

1887 1888 1889
      if (flexran_get_hopping_mode(enb_id,i) == 0) {
	cell_conf[i]->hopping_mode = PROTOCOL__FLEX_HOPPING_MODE__FLHM_INTER;
      } else if(flexran_get_hopping_mode(enb_id,i) == 1) {
1890
	cell_conf[i]->hopping_mode = PROTOCOL__FLEX_HOPPING_MODE__FLHM_INTERINTRA;
1891
      }
1892
      cell_conf[i]->has_hopping_mode = 1;
1893

1894
      cell_conf[i]->n_sb = flexran_get_n_SB(enb_id,i);
1895
      cell_conf[i]->has_n_sb = 1;
1896

1897
      if (flexran_get_phich_resource(enb_id,i) == 0) {
1898
	cell_conf[i]->phich_resource = PROTOCOL__FLEX_PHICH_RESOURCE__FLPR_ONE_SIXTH; //0
1899
      } else if (flexran_get_phich_resource(enb_id,i) == 1) {
1900
	cell_conf[i]->phich_resource = PROTOCOL__FLEX_PHICH_RESOURCE__FLPR_HALF; //1
1901
      } else if (flexran_get_phich_resource(enb_id,i) == 2) {
1902
	cell_conf[i]->phich_resource = PROTOCOL__FLEX_PHICH_RESOURCE__FLPR_ONE; // 2
1903
      } else if (flexran_get_phich_resource(enb_id,i) == 3) {
1904
	cell_conf[i]->phich_resource = PROTOCOL__FLEX_PHICH_RESOURCE__FLPR_TWO;//3
1905
      }
1906
      cell_conf[i]->has_phich_resource = 1;
1907

1908
      if (flexran_get_phich_duration(enb_id,i) == 0) {
1909
    	cell_conf[i]->phich_duration = PROTOCOL__FLEX_PHICH_DURATION__FLPD_NORMAL;
1910
      } else if(flexran_get_phich_duration(enb_id,i) == 1) {
1911
	cell_conf[i]->phich_duration = PROTOCOL__FLEX_PHICH_DURATION__FLPD_EXTENDED;
1912
      }
1913 1914
      cell_conf[i]->has_phich_duration = 1;
      //TODO: Fill in with actual value, See TS 36.211, section 6.9
1915
      cell_conf[i]->init_nr_pdcch_ofdm_sym = flexran_get_num_pdcch_symb(enb_id,i);
1916
      cell_conf[i]->has_init_nr_pdcch_ofdm_sym = 0;
1917
      //TODO: Fill in with actual value
1918 1919
      /* Protocol__FlexSiConfig *si_config; */
      /* si_config = malloc(sizeof(Protocol__FlexSiConfig)); */
1920 1921
      /* if(si_config == NULL) */
      /* 	goto error; */
1922
      /* protocol__flex_si_config__init(si_config); */
1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933
      /* //TODO: Fill in with actual value, Frame number to apply the SI configuration */
      /* si_config->sfn = 1; */
      /* si_config->has_sfn = 1; */
      /* //TODO: Fill in with actual value, the length of SIB1 in bytes */
      /* si_config->sib1_length = get_sib1_length(enb_id,i); */
      /* si_config->has_sib1_length = 1; */
      /* //TODO: Fill in with actual value, Scheduling window for all SIs in SF */
      /* si_config->si_window_length = (uint32_t) get_si_window_length(enb_id,i); */
      /* si_config->has_si_window_length = 1; */
      /* //TODO: Fill in with actual value, the number of SI messages */
      /* si_config->n_si_message=1; */
1934 1935
      /* Protocol__FlexSiMessage **si_message; */
      /* si_message = malloc(sizeof(Protocol__FlexSiMessage *) * si_config->n_si_message); */
1936 1937 1938
      /* if(si_message == NULL) */
      /* 	goto error; */
      /* for(j = 0; j < si_config->n_si_message; j++){ */
1939
      /* 	si_message[j] = malloc(sizeof(Protocol__FlexSiMessage)); */
1940 1941
      /* 	if(si_message[j] == NULL) */
      /* 	  goto error; */
1942
      /* 	protocol__flex_si_message__init(si_message[j]); */
1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953
      /* 	//TODO: Fill in with actual value, Periodicity of SI msg in radio frames */
      /* 	si_message[j]->periodicity = 1;				//SIPeriod */
      /* 	si_message[j]->has_periodicity = 1; */
      /* 	//TODO: Fill in with actual value, rhe length of the SI message in bytes */
      /* 	si_message[j]->length = 10; */
      /* 	si_message[j]->has_length = 1; */
      /* } */
      /* if(si_config->n_si_message > 0){ */
      /* 	si_config->si_message = si_message; */
      /* } */
      /* cell_conf[i]->si_config = si_config; */
1954
      
1955
      cell_conf[i]->dl_bandwidth = flexran_get_N_RB_DL(enb_id,i);
1956
      cell_conf[i]->has_dl_bandwidth = 1;
1957

1958
      cell_conf[i]->ul_bandwidth = flexran_get_N_RB_UL(enb_id,i);
1959
      cell_conf[i]->has_ul_bandwidth = 1;
1960

1961 1962 1963
      if (flexran_get_ul_cyclic_prefix_length(enb_id, i) == 0) {
	cell_conf[i]->ul_cyclic_prefix_length = PROTOCOL__FLEX_UL_CYCLIC_PREFIX_LENGTH__FLUCPL_NORMAL;
      } else if(flexran_get_ul_cyclic_prefix_length(enb_id, i) == 1) {
1964
	cell_conf[i]->ul_cyclic_prefix_length = PROTOCOL__FLEX_UL_CYCLIC_PREFIX_LENGTH__FLUCPL_EXTENDED;      
1965
      }
1966
      cell_conf[i]->has_ul_cyclic_prefix_length = 1;
1967

1968 1969 1970 1971
      if (flexran_get_ul_cyclic_prefix_length(enb_id,i) == 0) {
	cell_conf[i]->ul_cyclic_prefix_length = PROTOCOL__FLEX_DL_CYCLIC_PREFIX_LENGTH__FLDCPL_NORMAL;
      } else if (flexran_get_ul_cyclic_prefix_length(enb_id,i) == 1) {
	cell_conf[i]->ul_cyclic_prefix_length = PROTOCOL__FLEX_DL_CYCLIC_PREFIX_LENGTH__FLDCPL_EXTENDED;
1972 1973
      }

1974
      cell_conf[i]->has_dl_cyclic_prefix_length = 1;
1975
      //TODO: Fill in with actual value, number of cell specific antenna ports. Currently single port support
1976 1977
      cell_conf[i]->antenna_ports_count = 1;
      cell_conf[i]->has_antenna_ports_count = 1;
1978

1979
      if (flexran_get_duplex_mode(enb_id,i) == 1) {
1980
	cell_conf[i]->duplex_mode = PROTOCOL__FLEX_DUPLEX_MODE__FLDM_FDD;
1981
      } else if(flexran_get_duplex_mode(enb_id,i) == 0) {
1982
	cell_conf[i]->duplex_mode = PROTOCOL__FLEX_DUPLEX_MODE__FLDM_TDD;
1983
      }
1984 1985
      cell_conf[i]->has_duplex_mode = 1;
      //TODO: Fill in with actual value, DL/UL subframe assignment. TDD only
1986
      cell_conf[i]->subframe_assignment = flexran_get_subframe_assignment(enb_id, i);
1987
      cell_conf[i]->has_subframe_assignment = 0;
1988
      //TODO: Fill in with actual value, TDD only. See TS 36.211, table 4.2.1
1989
      cell_conf[i]->special_subframe_patterns = flexran_get_special_subframe_assignment(enb_id,i);
1990
      cell_conf[i]->has_special_subframe_patterns = 0;
1991
      //TODO: Fill in with actual value, The MBSFN radio frame period
1992
      cell_conf[i]->n_mbsfn_subframe_config_rfperiod = 0;
1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
      uint32_t *elem_rfperiod;
      elem_rfperiod = (uint32_t *) malloc(sizeof(uint32_t) *cell_conf[i]->n_mbsfn_subframe_config_rfperiod);
      if(elem_rfperiod == NULL)
	goto error;
      for(j = 0; j < cell_conf[i]->n_mbsfn_subframe_config_rfperiod; j++){
	elem_rfperiod[j] = 1;
      }
      cell_conf[i]->mbsfn_subframe_config_rfperiod = elem_rfperiod;
      
      //TODO: Fill in with actual value, The MBSFN radio frame offset
2003
      cell_conf[i]->n_mbsfn_subframe_config_rfoffset = 0;
2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
      uint32_t *elem_rfoffset;
      elem_rfoffset = (uint32_t *) malloc(sizeof(uint32_t) *cell_conf[i]->n_mbsfn_subframe_config_rfoffset);
      if(elem_rfoffset == NULL)
	goto error;
      for(j = 0; j < cell_conf[i]->n_mbsfn_subframe_config_rfoffset; j++){
	elem_rfoffset[j] = 1;
      }
      cell_conf[i]->mbsfn_subframe_config_rfoffset = elem_rfoffset;
      
      //TODO: Fill in with actual value, Bitmap indicating the MBSFN subframes
2014
      cell_conf[i]->n_mbsfn_subframe_config_sfalloc = 0;
2015 2016 2017 2018 2019 2020 2021 2022 2023
      uint32_t *elem_sfalloc;
      elem_sfalloc = (uint32_t *) malloc(sizeof(uint32_t) *cell_conf[i]->n_mbsfn_subframe_config_sfalloc);
      if(elem_sfalloc == NULL)
	goto error;
      for(j = 0; j < cell_conf[i]->n_mbsfn_subframe_config_sfalloc; j++){
	elem_sfalloc[j] = 1;
      }
      cell_conf[i]->mbsfn_subframe_config_sfalloc = elem_sfalloc;
      
2024
      cell_conf[i]->prach_config_index = flexran_get_prach_ConfigIndex(enb_id,i);
2025
      cell_conf[i]->has_prach_config_index = 1;
2026

2027
      cell_conf[i]->prach_freq_offset = flexran_get_prach_FreqOffset(enb_id,i);
2028
      cell_conf[i]->has_prach_freq_offset = 1;
2029

2030
      cell_conf[i]->ra_response_window_size = flexran_get_ra_ResponseWindowSize(enb_id,i);
2031
      cell_conf[i]->has_ra_response_window_size = 1;
2032

2033
      cell_conf[i]->mac_contention_resolution_timer = flexran_get_mac_ContentionResolutionTimer(enb_id,i);
2034
      cell_conf[i]->has_mac_contention_resolution_timer = 1;
2035

2036
      cell_conf[i]->max_harq_msg3tx = flexran_get_maxHARQ_Msg3Tx(enb_id,i);
2037
      cell_conf[i]->has_max_harq_msg3tx = 1;
2038

2039
      cell_conf[i]->n1pucch_an = flexran_get_n1pucch_an(enb_id,i);
2040
      cell_conf[i]->has_n1pucch_an = 1;
2041

2042
      cell_conf[i]->deltapucch_shift = flexran_get_deltaPUCCH_Shift(enb_id,i);
2043
      cell_conf[i]->has_deltapucch_shift = 1;
2044

2045
      cell_conf[i]->nrb_cqi = flexran_get_nRB_CQI(enb_id,i);
2046
      cell_conf[i]->has_nrb_cqi = 1;
2047

2048
      cell_conf[i]->srs_subframe_config = flexran_get_srs_SubframeConfig(enb_id,i);
2049
      cell_conf[i]->has_srs_subframe_config = 1;
2050

2051
      cell_conf[i]->srs_bw_config = flexran_get_srs_BandwidthConfig(enb_id,i);
2052
      cell_conf[i]->has_srs_bw_config = 1;
2053

2054
      cell_conf[i]->srs_mac_up_pts = flexran_get_srs_MaxUpPts(enb_id,i);
2055
      cell_conf[i]->has_srs_mac_up_pts = 1;
2056

2057
      if (flexran_get_enable64QAM(enb_id,i) == 0) {
2058
	cell_conf[i]->enable_64qam = PROTOCOL__FLEX_QAM__FLEQ_MOD_16QAM;
2059
      } else if(flexran_get_enable64QAM(enb_id,i) == 1) {
2060
	cell_conf[i]->enable_64qam = PROTOCOL__FLEX_QAM__FLEQ_MOD_64QAM;
2061
      }
2062
      cell_conf[i]->has_enable_64qam = 1;
2063
      
2064 2065 2066 2067 2068
      cell_conf[i]->carrier_index = i;
      cell_conf[i]->has_carrier_index = 1;
    }
    enb_config_reply_msg->cell_config=cell_conf;
  }
2069
  *msg = malloc(sizeof(Protocol__FlexranMessage));
2070 2071
  if(*msg == NULL)
    goto error;
2072 2073 2074
  protocol__flexran_message__init(*msg);
  (*msg)->msg_case = PROTOCOL__FLEXRAN_MESSAGE__MSG_ENB_CONFIG_REPLY_MSG;
  (*msg)->msg_dir = PROTOCOL__FLEXRAN_DIRECTION__SUCCESSFUL_OUTCOME;
2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086
  (*msg)->enb_config_reply_msg = enb_config_reply_msg;
  
  return 0;
  
 error:
  // TODO: Need to make proper error handling
  if (header != NULL)
    free(header);
  if (enb_config_reply_msg != NULL)
    free(enb_config_reply_msg);
  if(*msg != NULL)
    free(*msg);
2087
  //LOG_E(FLEXRAN_AGENT, "%s: an error occured\n", __FUNCTION__);
2088
  return -1;
MKassem's avatar
MKassem committed
2089 2090
}

2091

2092 2093 2094 2095 2096

/*
 * timer primitives
 */

2097 2098
//struct flexran_agent_map agent_map;
flexran_agent_timer_instance_t timer_instance;
2099
int agent_timer_init = 0;
2100
err_code_t flexran_agent_init_timer(void){
2101
  
2102
  LOG_I(FLEXRAN_AGENT, "init RB tree\n");
2103
  if (!agent_timer_init) {
2104
    RB_INIT(&timer_instance.flexran_agent_head);
2105 2106
    agent_timer_init = 1;
  }
2107
 
2108
 return PROTOCOL__FLEXRAN_ERR__NO_ERR;
2109 2110
}

2111
RB_GENERATE(flexran_agent_map, flexran_agent_timer_element_s, entry, flexran_agent_compare_timer);
2112 2113

/* The timer_id might not be the best choice for the comparison */
2114
int flexran_agent_compare_timer(struct flexran_agent_timer_element_s *a, struct flexran_agent_timer_element_s *b){
2115 2116 2117 2118 2119 2120 2121 2122

  if (a->timer_id < b->timer_id) return -1;
  if (a->timer_id > b->timer_id) return 1;

  // equal timers
  return 0;
}

2123 2124 2125 2126 2127 2128 2129 2130 2131
err_code_t flexran_agent_create_timer(uint32_t interval_sec,
				      uint32_t interval_usec,
				      agent_id_t     agent_id,
				      instance_t     instance,
				      uint32_t timer_type,
				      xid_t xid,
				      flexran_agent_timer_callback_t cb,
				      void*    timer_args,
				      long *timer_id){
2132
  
2133
  struct flexran_agent_timer_element_s *e = calloc(1, sizeof(*e));
2134 2135
  DevAssert(e != NULL);
  
2136 2137 2138 2139 2140 2141
//uint32_t timer_id;
  int ret=-1;
  
  if ((interval_sec == 0) && (interval_usec == 0 ))
    return TIMER_NULL;
  
2142
  if (timer_type >= FLEXRAN_AGENT_TIMER_TYPE_MAX)
2143 2144
    return TIMER_TYPE_INVALIDE;
  
2145
  if (timer_type  ==   FLEXRAN_AGENT_TIMER_TYPE_ONESHOT){ 
2146 2147
    ret = timer_setup(interval_sec, 
		      interval_usec, 
2148
		      TASK_FLEXRAN_AGENT, 
2149 2150 2151 2152 2153
		      instance, 
		      TIMER_ONE_SHOT,
		      timer_args,
		      timer_id);
    
2154
    e->type = TIMER_ONE_SHOT;
2155
  }
2156
  else if (timer_type  ==   FLEXRAN_AGENT_TIMER_TYPE_PERIODIC ){
2157 2158
    ret = timer_setup(interval_sec, 
		      interval_usec, 
2159
		      TASK_FLEXRAN_AGENT, 
2160 2161 2162 2163 2164
		      instance, 
		      TIMER_PERIODIC,
		      timer_args,
		      timer_id);
    
2165
    e->type = TIMER_PERIODIC;
2166 2167 2168 2169 2170 2171
  }
  
  if (ret < 0 ) {
    return TIMER_SETUP_FAILED; 
  }

2172 2173
  e->agent_id = agent_id;
  e->instance = instance;
2174
  e->state = FLEXRAN_AGENT_TIMER_STATE_ACTIVE;
2175
  e->timer_id = *timer_id;
2176 2177
  e->xid = xid;
  e->timer_args = timer_args; 
2178 2179
  e->cb = cb;
  /*element should be a real pointer*/
2180
  RB_INSERT(flexran_agent_map, &timer_instance.flexran_agent_head, e); 
2181
  
2182
  LOG_I(FLEXRAN_AGENT,"Created a new timer with id 0x%lx for agent %d, instance %d \n",
2183
	e->timer_id, e->agent_id, e->instance);
2184
  
2185 2186 2187
  return 0; 
}

2188
err_code_t flexran_agent_destroy_timer(long timer_id){
2189
  
2190
  struct flexran_agent_timer_element_s *e = get_timer_entry(timer_id);
2191 2192

  if (e != NULL ) {
2193 2194
    RB_REMOVE(flexran_agent_map, &timer_instance.flexran_agent_head, e);
    flexran_agent_destroy_flexran_message(e->timer_args->msg);
2195 2196 2197 2198 2199 2200 2201 2202 2203
    free(e);
  }
  
  if (timer_remove(timer_id) < 0 ) 
    goto error;
  
  return 0;

 error:
2204
  LOG_E(FLEXRAN_AGENT, "timer can't be removed\n");
2205 2206 2207
  return TIMER_REMOVED_FAILED ;
}

2208 2209
err_code_t flexran_agent_destroy_timer_by_task_id(xid_t xid) {
  struct flexran_agent_timer_element_s *e = NULL;
2210
  long timer_id;
2211
  RB_FOREACH(e, flexran_agent_map, &timer_instance.flexran_agent_head) {
2212 2213
    if (e->xid == xid) {
      timer_id = e->timer_id;
2214 2215
      RB_REMOVE(flexran_agent_map, &timer_instance.flexran_agent_head, e);
      flexran_agent_destroy_flexran_message(e->timer_args->msg);
2216 2217 2218 2219 2220 2221 2222 2223 2224
      free(e);
      if (timer_remove(timer_id) < 0 ) { 
	goto error;
      }
    }
  }
  return 0;

 error:
2225
  LOG_E(FLEXRAN_AGENT, "timer can't be removed\n");
2226 2227 2228
  return TIMER_REMOVED_FAILED ;
}

2229
err_code_t flexran_agent_destroy_timers(void){
2230
  
2231
  struct flexran_agent_timer_element_s *e = NULL;
2232
  
2233 2234
  RB_FOREACH(e, flexran_agent_map, &timer_instance.flexran_agent_head) {
    RB_REMOVE(flexran_agent_map, &timer_instance.flexran_agent_head, e);
2235
    timer_remove(e->timer_id);
2236
    flexran_agent_destroy_flexran_message(e->timer_args->msg);
2237 2238 2239 2240 2241 2242 2243
    free(e);
  }  

  return 0;

}

2244
void flexran_agent_sleep_until(struct timespec *ts, int delay) {
2245 2246 2247 2248 2249 2250 2251 2252
  ts->tv_nsec += delay;
  if(ts->tv_nsec >= 1000*1000*1000){
    ts->tv_nsec -= 1000*1000*1000;
    ts->tv_sec++;
  }
  clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, ts,  NULL);
}

2253

2254
err_code_t flexran_agent_stop_timer(long timer_id){
2255
  
2256 2257 2258
  struct flexran_agent_timer_element_s *e=NULL;
  struct flexran_agent_timer_element_s search;
  memset(&search, 0, sizeof(struct flexran_agent_timer_element_s));
2259 2260
  search.timer_id = timer_id;

2261
  e = RB_FIND(flexran_agent_map, &timer_instance.flexran_agent_head, &search);
2262 2263

  if (e != NULL ) {
2264
    e->state =  FLEXRAN_AGENT_TIMER_STATE_STOPPED;
2265 2266 2267 2268 2269
  }
  
  timer_remove(timer_id);
  
  return 0;
2270 2271
}

2272
struct flexran_agent_timer_element_s * get_timer_entry(long timer_id) {
2273
  
2274 2275
  struct flexran_agent_timer_element_s search;
  memset(&search, 0, sizeof(struct flexran_agent_timer_element_s));
2276
  search.timer_id = timer_id;
2277

2278
  return  RB_FIND(flexran_agent_map, &timer_instance.flexran_agent_head, &search); 
2279
}