Added helper functions for the continuous update of MAC stats

cmake_targets/CMakeLists.txt

@@ -751,6 +751,7 @@ if (ENB_AGENT_SB_IF)
     ${OPENAIR2_DIR}/ENB_APP/enb_agent_task_manager.c
     ${OPENAIR2_DIR}/ENB_APP/enb_agent_net_comm.c
     ${OPENAIR2_DIR}/ENB_APP/enb_agent_async.c
+    ${OPENAIR2_DIR}/ENB_APP/enb_agent_mac_internal.c
     )
   set(ENB_AGENT_LIB ENB_AGENT)
   #include_directories(${OPENAIR2_DIR}/ENB_APP)

openair2/ENB_APP/enb_agent_defs.h

@@ -44,6 +44,7 @@
 #include "link_manager.h"
 
 #define NUM_MAX_ENB_AGENT 2
+#define NUM_MAX_UE 2048
 #define DEFAULT_ENB_AGENT_IPv4_ADDRESS "127.0.0.1"
 #define DEFAULT_ENB_AGENT_PORT          2210
 

openair2/ENB_APP/enb_agent_mac_internal.c

+/*******************************************************************************
+    OpenAirInterface
+    Copyright(c) 1999 - 2014 Eurecom
+
+    OpenAirInterface is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+
+    OpenAirInterface is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenAirInterface.The full GNU General Public License is
+   included in this distribution in the file called "COPYING". If not,
+   see <http://www.gnu.org/licenses/>.
+
+  Contact Information
+  OpenAirInterface Admin: openair_admin@eurecom.fr
+  OpenAirInterface Tech : openair_tech@eurecom.fr
+  OpenAirInterface Dev  : openair4g-devel@lists.eurecom.fr
+
+  Address      : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
+
+ *******************************************************************************/
+
+/*! \file enb_agent_mac_internal.c
+ * \brief Helper functions for the MAC agent
+ * \author Xenofon Foukas
+ * \date 2016
+ * \version 0.1
+ */
+
+#include "enb_agent_mac_internal.h"
+
+Protocol__ProgranMessage * enb_agent_generate_diff_mac_stats_report(Protocol__ProgranMessage *new_message,
+								    Protocol__ProgranMessage *old_message) {
+
+  int i, j;
+  
+  Protocol__PrpStatsReply *old_report, *new_report;
+
+  Protocol__PrpStatsReply *stats_reply_msg = NULL;
+  Protocol__ProgranMessage *msg = NULL;
+  
+  Protocol__PrpUeStatsReport **ue_report;
+  Protocol__PrpUeStatsReport *tmp_ue_report[NUM_MAX_UE];
+  Protocol__PrpCellStatsReport **cell_report;
+  Protocol__PrpCellStatsReport *tmp_cell_report[NUM_MAX_UE];
+  
+  old_report = old_message->stats_reply_msg;
+  new_report = new_message->stats_reply_msg;
+
+  /*Flags to designate changes in various levels of the message*/
+  int stats_had_changes = 0;
+  int ue_had_change = 0;
+  int cell_had_change = 0;
+
+  /*See how many and which UE reports should be included in the final stats message*/
+  int n_ue_report = 0;
+  int ue_found = 0;
+  
+  /*Go through each RNTI of the new report and see if it exists in the old one*/
+  for (i = 0; i < new_report->n_ue_report; i++) {
+    for (j = 0; j < old_report->n_ue_report; i++) {
+     if (new_report->ue_report[i]->rnti == old_report->ue_report[j]->rnti) {
+  	ue_found = 1;
+	/*Need to check if something changed*/
+	if (compare_ue_stats_reports(new_report->ue_report[i], old_report->ue_report[j]) != 0) {
+	  tmp_ue_report[n_ue_report] = copy_ue_stats_report(new_report->ue_report[i]);
+	  n_ue_report++;
+	}
+	break;
+     }
+    }
+    if (!ue_found) {
+      tmp_ue_report[n_ue_report] = copy_ue_stats_report(new_report->ue_report[i]);
+      n_ue_report++;
+    }
+    ue_found = 0;
+  }
+
+  /*See how many and which cell reports should be included in the final stats message*/
+  int n_cell_report = 0;
+  int cell_found = 0;
+  
+  /*Go through each cell of the new report and see if it exists in the old one*/
+  for (i = 0; i < new_report->n_cell_report; i++) {
+    for (j = 0; j < old_report->n_cell_report; i++) {
+     if (new_report->cell_report[i]->carrier_index == old_report->cell_report[j]->carrier_index) {
+  	cell_found = 1;
+	/*Need to check if something changed*/
+	if (compare_cell_stats_reports(new_report->cell_report[i], old_report->cell_report[j]) != 0) {
+	  tmp_cell_report[n_cell_report] = copy_cell_stats_report(new_report->cell_report[i]);
+	  n_cell_report++;
+	}
+	break;
+     }
+    }
+    if (!cell_found) {
+      tmp_cell_report[n_cell_report] = copy_cell_stats_report(new_report->cell_report[i]);
+      n_cell_report++;
+    }
+    cell_found = 0;
+  }
+
+  /*TODO: create the reply message based on the findings*/
+  /*Create ue report list*/
+  if (n_ue_report > 0) {
+    ue_report = malloc(sizeof(Protocol__PrpUeStatsReport *));
+    for (i = 0; i<n_ue_report; i++) {
+      ue_report[i] = tmp_ue_report[i];
+    }
+  }
+
+  /*Create cell report list*/
+  if (n_cell_report > 0) {
+    cell_report = malloc(sizeof(Protocol__PrpCellStatsReport *));
+    for (i = 0; i<n_cell_report; i++) {
+      cell_report[i] = tmp_cell_report[i];
+    }
+  }
+  
+  if (n_cell_report > 0 || n_ue_report > 0) {
+    /*Create header*/
+    int xid = old_report->header->xid;
+    Protocol__PrpHeader *header;
+    if (prp_create_header(xid, PROTOCOL__PRP_TYPE__PRPT_STATS_REPLY, &header) != 0) {
+    goto error;
+    }
+    stats_reply_msg = malloc(sizeof(Protocol__PrpStatsReply));
+    protocol__prp_stats_reply__init(stats_reply_msg);
+    stats_reply_msg->header = header;
+    stats_reply_msg->n_ue_report = n_ue_report;
+    stats_reply_msg->ue_report = ue_report;
+    stats_reply_msg->n_cell_report = n_cell_report;
+    stats_reply_msg->cell_report = cell_report;
+    msg = malloc(sizeof(Protocol__ProgranMessage));
+    if(msg == NULL)
+      goto error;
+    protocol__progran_message__init(msg);
+    msg->msg_case = PROTOCOL__PROGRAN_MESSAGE__MSG_STATS_REPLY_MSG;
+    msg->msg_dir = PROTOCOL__PROGRAN_DIRECTION__SUCCESSFUL_OUTCOME;
+    msg->stats_reply_msg = stats_reply_msg;
+  }
+  return msg;
+  
+ error:
+   return NULL;
+}
+
+int compare_ue_stats_reports(Protocol__PrpUeStatsReport *rep1,
+			    Protocol__PrpUeStatsReport *rep2) {
+  return 1;
+}
+
+int compare_cell_stats_reports(Protocol__PrpCellStatsReport *rep1,
+			      Protocol__PrpCellStatsReport *rep2) {
+  return 1;
+}
+
+Protocol__PrpUeStatsReport * copy_ue_stats_report(Protocol__PrpUeStatsReport * original) {
+  int i;
+  Protocol__PrpUeStatsReport *copy =  malloc(sizeof(Protocol__PrpUeStatsReport));
+  if (copy == NULL)
+    goto error;
+  protocol__prp_ue_stats_report__init(copy);
+  copy->rnti = original->rnti;
+  copy->has_rnti = original->has_rnti;
+  copy->flags = original->flags;
+  copy->has_flags = original->has_flags;
+  
+  if (copy->flags & PROTOCOL__PRP_UE_STATS_TYPE__PRUST_BSR) {
+    copy->n_bsr = original->n_bsr;
+    if (copy->n_bsr > 0) {
+      uint32_t *elem;
+      elem = (uint32_t *) malloc(sizeof(uint32_t)*copy->n_bsr);
+      if (elem == NULL)
+	goto error;
+      for (i = 0; i < original->n_bsr; i++) {
+	elem[i] = original->bsr[i];
+      }
+      copy->bsr = elem;
+    }
+  }
+
+  if (copy->flags & PROTOCOL__PRP_UE_STATS_TYPE__PRUST_PRH) {
+    copy->has_phr = original->has_phr;
+    copy->phr = original->phr;
+  }
+
+  if (copy->flags & PROTOCOL__PRP_UE_STATS_TYPE__PRUST_RLC_BS) {
+    copy->n_rlc_report = original->n_rlc_report; 
+    if (copy->n_rlc_report > 0) {
+      Protocol__PrpRlcBsr ** rlc_reports;
+      rlc_reports = malloc(sizeof(Protocol__PrpRlcBsr) * copy->n_rlc_report);
+      if (rlc_reports == NULL)
+	goto error;
+      for (i = 0; i < copy->n_rlc_report; i++) {
+	rlc_reports[i] = copy_rlc_report(original->rlc_report[i]);
+      }
+      copy->rlc_report = rlc_reports;
+    }
+  }
+
+  if (copy->flags & PROTOCOL__PRP_UE_STATS_TYPE__PRUST_MAC_CE_BS) {
+    copy->has_pending_mac_ces = original->has_pending_mac_ces;
+    copy->pending_mac_ces = original->pending_mac_ces;
+  
+  }
+  
+  if (copy->flags & PROTOCOL__PRP_UE_STATS_TYPE__PRUST_DL_CQI) {
+    copy->dl_cqi_report = copy_dl_cqi_report(original->dl_cqi_report);
+  }
+
+  if (copy->flags & PROTOCOL__PRP_UE_STATS_TYPE__PRUST_PBS) {  
+    /*Copy the Paging Buffer report*/
+    copy->pbr = copy_paging_buffer_report(original->pbr);
+  }
+
+  if (copy->flags & PROTOCOL__PRP_UE_STATS_TYPE__PRUST_UL_CQI) {
+    /*TODO: Copy the UL report*/  
+    copy->ul_cqi_report = copy_ul_cqi_report(original->ul_cqi_report);
+  }
+
+  return copy;
+
+ error:
+  return NULL;
+}
+
+Protocol__PrpRlcBsr * copy_rlc_report(Protocol__PrpRlcBsr * original) {
+  Protocol__PrpRlcBsr * copy = malloc(sizeof(Protocol__PrpRlcBsr));
+  if (copy == NULL)
+    goto error;
+  protocol__prp_rlc_bsr__init(copy);
+  copy->lc_id = original->lc_id;
+  copy->has_lc_id = original->has_lc_id;
+  copy->tx_queue_size = original->tx_queue_size;
+  copy->has_tx_queue_size = original->has_tx_queue_size;
+  copy->tx_queue_hol_delay = original->tx_queue_hol_delay;
+  copy->has_tx_queue_hol_delay = original->has_tx_queue_hol_delay;
+  copy->retransmission_queue_size = original->retransmission_queue_size;
+  copy->has_retransmission_queue_size = original->has_retransmission_queue_size;
+  copy->retransmission_queue_hol_delay = original->retransmission_queue_hol_delay;
+  copy->has_retransmission_queue_hol_delay = original->has_retransmission_queue_hol_delay;
+  copy->status_pdu_size = original->status_pdu_size;
+  copy->has_status_pdu_size = original->has_status_pdu_size;
+  
+  return copy;
+
+ error:
+  return NULL;
+}
+
+Protocol__PrpUlCqiReport * copy_ul_cqi_report(Protocol__PrpUlCqiReport * original) {
+  int i, j;
+  
+  //Fill in the full UL CQI report of the UE
+  Protocol__PrpUlCqiReport *full_ul_report;
+  full_ul_report = malloc(sizeof(Protocol__PrpUlCqiReport));
+  if(full_ul_report == NULL) {
+    goto error;
+  }
+  protocol__prp_ul_cqi_report__init(full_ul_report);
+  //TODO:Set the SFN and SF of the generated report
+  full_ul_report->sfn_sn = original->sfn_sn;
+  full_ul_report->has_sfn_sn = original->has_sfn_sn;
+  full_ul_report->n_cqi_meas = original->n_cqi_meas;
+
+  Protocol__PrpUlCqi **ul_report;
+  ul_report = malloc(sizeof(Protocol__PrpUlCqi *) * full_ul_report->n_cqi_meas);
+  if(ul_report == NULL)
+    goto error;
+  for(i = 0; i++; i < full_ul_report->n_cqi_meas) {
+    ul_report[i] = malloc(sizeof(Protocol__PrpUlCqi));
+    if(ul_report[i] == NULL)
+      goto error;
+    protocol__prp_ul_cqi__init(ul_report[i]);
+    ul_report[i]->type = original->cqi_meas[i]->type;
+    ul_report[i]->has_type = original->cqi_meas[i]->has_type;
+    ul_report[i]->n_sinr = original->cqi_meas[i]->n_sinr;
+    uint32_t *sinr_meas;
+    sinr_meas = (uint32_t *) malloc(sizeof(uint32_t) * ul_report[i]->n_sinr);
+    if (sinr_meas == NULL)
+      goto error;
+    for (j = 0; j < ul_report[i]->n_sinr; j++) {
+      sinr_meas[j] = original->cqi_meas[i]->sinr[j];
+    }
+    ul_report[i]->sinr = sinr_meas;
+    ul_report[i]->serv_cell_index = original->cqi_meas[i]->serv_cell_index;
+    ul_report[i]->has_serv_cell_index = original->cqi_meas[i]->has_serv_cell_index;
+  }
+  full_ul_report->cqi_meas = ul_report;
+
+  return full_ul_report;
+  
+  error:
+    return NULL;
+}
+
+Protocol__PrpDlCqiReport * copy_dl_cqi_report(Protocol__PrpDlCqiReport * original) {
+  int i;
+  /*Copy the DL report*/
+  Protocol__PrpDlCqiReport * dl_report;
+  dl_report = malloc(sizeof(Protocol__PrpDlCqiReport));
+  if (dl_report == NULL)
+    goto error;
+  protocol__prp_dl_cqi_report__init(dl_report);
+
+  dl_report->sfn_sn = original->sfn_sn;
+  dl_report->has_sfn_sn = original->has_sfn_sn;
+  dl_report->n_csi_report = original->n_csi_report;
+
+  Protocol__PrpDlCsi **csi_reports;
+  csi_reports = malloc(sizeof(Protocol__PrpDlCsi *) * dl_report->n_csi_report);
+  if (csi_reports == NULL)
+    goto error;
+  
+  for (i = 0; i < dl_report->n_csi_report; i++) {
+    csi_reports[i] = copy_csi_report(original->csi_report[i]); 
+  }
+  dl_report->csi_report = csi_reports;
+  return dl_report;
+
+ error:
+  /*TODO: Must free memory properly*/
+  return NULL;
+}
+
+Protocol__PrpPagingBufferReport * copy_paging_buffer_report(Protocol__PrpPagingBufferReport *original) {
+  
+  int i;
+  Protocol__PrpPagingBufferReport *copy;
+  copy = malloc(sizeof(Protocol__PrpPagingBufferReport));
+  if (copy == NULL)
+    goto error;
+  
+  protocol__prp_paging_buffer_report__init(copy);
+  copy->n_paging_info = original->n_paging_info;
+  
+  Protocol__PrpPagingInfo **p_info;
+  p_info = malloc(sizeof(Protocol__PrpPagingInfo *) * copy->n_paging_info);
+  if (p_info == NULL)
+    goto error;
+  for (i = 0; i < copy->n_paging_info; i++) {
+    p_info[i] = malloc(sizeof(Protocol__PrpPagingInfo));
+    if(p_info[i] == NULL)
+      goto error;
+    protocol__prp_paging_info__init(p_info[i]);
+    p_info[i]->paging_index = original->paging_info[i]->paging_index;
+    p_info[i]->has_paging_index = original->paging_info[i]->has_paging_index;;
+    p_info[i]->paging_message_size = original->paging_info[i]->paging_message_size;
+    p_info[i]->has_paging_message_size =  original->paging_info[i]->has_paging_message_size;
+    p_info[i]->paging_subframe = original->paging_info[i]->paging_subframe;
+    p_info[i]->has_paging_subframe = original->paging_info[i]->has_paging_subframe;
+    p_info[i]->carrier_index = original->paging_info[i]->carrier_index;
+    p_info[i]->has_carrier_index = original->paging_info[i]->has_carrier_index;
+  }
+  copy->paging_info = p_info;
+  return copy;
+
+ error:
+  /*TODO: free memory properly*/
+  return NULL;
+}
+
+Protocol__PrpDlCsi * copy_csi_report(Protocol__PrpDlCsi * original) {
+  int i, j;
+  Protocol__PrpDlCsi *copy = malloc(sizeof(Protocol__PrpDlCsi));
+  if (copy == NULL)
+    goto error;
+  protocol__prp_dl_csi__init(copy);
+  copy->serv_cell_index = original->serv_cell_index;
+  copy->has_serv_cell_index = original->has_serv_cell_index;
+  copy->ri = original->ri;
+  copy->has_ri = original->ri;
+
+  copy->type = original->type;
+  copy->has_type = original->has_type;
+  copy->report_case = original->report_case;
+  
+  switch (copy->report_case) {
+  case PROTOCOL__PRP_DL_CSI__REPORT_P10CSI:
+    copy->p10csi->wb_cqi = original->p10csi->wb_cqi;
+    copy->p10csi->has_wb_cqi = original->p10csi->has_wb_cqi;
+    break;
+  case PROTOCOL__PRP_DL_CSI__REPORT_P11CSI:
+    copy->p11csi->n_wb_cqi = original->p11csi->n_wb_cqi;
+    copy->p11csi->wb_cqi = (uint32_t *) malloc(sizeof(uint32_t) * copy->p11csi->n_wb_cqi);
+    for (i = 0; i < copy->p11csi->n_wb_cqi; i++) {
+      copy->p11csi->wb_cqi[i] = original->p11csi->wb_cqi[i];
+    }
+    copy->p11csi->has_wb_pmi = original->p11csi->has_wb_pmi;
+    copy->p11csi->wb_pmi = original->p11csi->wb_pmi;
+    break;
+  case PROTOCOL__PRP_DL_CSI__REPORT_P20CSI:
+    copy->p20csi->has_wb_cqi = original->p20csi->has_wb_cqi;
+    copy->p20csi->wb_cqi = original->p20csi->wb_cqi;
+    copy->p20csi->has_sb_cqi = original->p20csi->has_sb_cqi;
+    copy->p20csi->sb_cqi = original->p20csi->sb_cqi;
+    copy->p20csi->has_bandwidth_part_index = original->p20csi->has_bandwidth_part_index;
+    copy->p20csi->bandwidth_part_index = original->p20csi->bandwidth_part_index;
+    copy->p20csi->has_sb_index = original->p20csi->has_sb_index;
+    copy->p20csi->sb_index = original->p20csi->sb_index;
+    break;
+  case PROTOCOL__PRP_DL_CSI__REPORT_P21CSI:
+    copy->p21csi->n_wb_cqi = original->p21csi->n_wb_cqi;
+    copy->p21csi->wb_cqi = (uint32_t *) malloc(sizeof(uint32_t) * copy->p21csi->n_wb_cqi);
+    for (i = 0; i < copy->p21csi->n_wb_cqi; i++) {
+      copy->p21csi->wb_cqi[i] = original->p21csi->wb_cqi[i];
+    }
+    copy->p21csi->has_wb_pmi = original->p21csi->has_wb_pmi;
+    copy->p21csi->wb_pmi = original->p21csi->wb_pmi;
+    copy->p21csi->n_sb_cqi = original->p21csi->n_sb_cqi;
+    copy->p21csi->sb_cqi = (uint32_t *) malloc(sizeof(uint32_t) * copy->p21csi->n_sb_cqi);
+    for (i = 0; i < copy->p21csi->n_sb_cqi; i++) {
+      copy->p21csi->sb_cqi[i] = original->p21csi->sb_cqi[i];
+    }
+     copy->p21csi->has_badwidth_part_index = original->p21csi->has_badwidth_part_index;
+    copy->p21csi->badwidth_part_index = original->p21csi->badwidth_part_index;
+    copy->p21csi->has_sb_index = original->p21csi->has_sb_index;
+    copy->p21csi->sb_index = original->p21csi->sb_index;
+    break;
+  case PROTOCOL__PRP_DL_CSI__REPORT_A12CSI:
+    copy->a12csi->n_wb_cqi = original->a12csi->n_wb_cqi;
+    copy->a12csi->wb_cqi = (uint32_t *) malloc(sizeof(uint32_t) * copy->a12csi->n_wb_cqi);
+    for (i = 0; i < copy->a12csi->n_wb_cqi; i++) {
+      copy->a12csi->wb_cqi[i] = original->a12csi->wb_cqi[i];
+    }
+    copy->a12csi->n_sb_pmi = original->a12csi->n_sb_pmi;
+    copy->a12csi->sb_pmi = (uint32_t *) malloc(sizeof(uint32_t) * copy->a12csi->n_sb_pmi);
+    for (i = 0; i < copy->a12csi->n_sb_pmi; i++) {
+      copy->a12csi->sb_pmi[i] = original->a12csi->sb_pmi[i];
+    }
+    break;
+  case PROTOCOL__PRP_DL_CSI__REPORT_A22CSI:
+    copy->a22csi->n_wb_cqi = original->a22csi->n_wb_cqi;
+    copy->a22csi->wb_cqi = (uint32_t *) malloc(sizeof(uint32_t) * copy->a22csi->n_wb_cqi);
+    for (i = 0; i < copy->a22csi->n_wb_cqi; i++) {
+      copy->a22csi->wb_cqi[i] = original->a22csi->wb_cqi[i];
+    }
+    copy->a22csi->n_sb_cqi = original->a22csi->n_sb_cqi;
+    copy->a22csi->sb_cqi = (uint32_t *) malloc(sizeof(uint32_t) * copy->a22csi->n_sb_cqi);
+    for (i = 0; i < copy->a22csi->n_sb_cqi; i++) {
+      copy->a22csi->sb_cqi[i] = original->a22csi->sb_cqi[i];
+    }
+    copy->a22csi->has_wb_pmi = original->a22csi->has_wb_pmi;
+    copy->a22csi->wb_pmi = original->a22csi->wb_pmi;
+    copy->a22csi->has_sb_pmi = original->a22csi->has_sb_pmi;
+    copy->a22csi->sb_pmi = original->a22csi->sb_pmi;
+    copy->a22csi->n_sb_list = original->a22csi->n_sb_list;
+    copy->a22csi->sb_list = (uint32_t *) malloc(sizeof(uint32_t) * copy->a22csi->n_sb_list);
+    for (i = 0; i < copy->a22csi->n_sb_list; i++) {
+      copy->a22csi->sb_list[i] = original->a22csi->sb_list[i];
+    }
+    break;
+  case PROTOCOL__PRP_DL_CSI__REPORT_A20CSI:
+    copy->a20csi->has_wb_cqi = original->a20csi->has_wb_cqi;
+    copy->a20csi->wb_cqi = original->a20csi->wb_cqi;
+    copy->a20csi->has_sb_cqi = original->a20csi->has_sb_cqi;
+    copy->a20csi->sb_cqi = original->a20csi->sb_cqi;
+    copy->a20csi->n_sb_list = original->a20csi->n_sb_list;
+    copy->a20csi->sb_list = (uint32_t *) malloc(sizeof(uint32_t) * copy->a20csi->n_sb_list);
+    for (i = 0; i < copy->a20csi->n_sb_list; i++) {
+      copy->a20csi->sb_list[i] = original->a20csi->sb_list[i];
+    }
+    break;
+  case PROTOCOL__PRP_DL_CSI__REPORT_A30CSI:
+    copy->a30csi->has_wb_cqi = original->a30csi->has_wb_cqi;
+    copy->a30csi->wb_cqi = original->a30csi->wb_cqi;
+    copy->a30csi->n_sb_cqi = original->a30csi->n_sb_cqi;
+    copy->a30csi->sb_cqi = (uint32_t *) malloc(sizeof(uint32_t) * copy->a30csi->n_sb_cqi);
+    for (i = 0; i < copy->a30csi->n_sb_cqi; i++) {
+      copy->a30csi->sb_cqi[i] = original->a30csi->sb_cqi[i];
+    }
+    break;
+  case PROTOCOL__PRP_DL_CSI__REPORT_A31CSI:
+    copy->a31csi->n_wb_cqi = original->a31csi->n_wb_cqi;
+    copy->a31csi->wb_cqi = (uint32_t *) malloc(sizeof(uint32_t) * copy->a31csi->n_wb_cqi);
+    for (i = 0; i < copy->a31csi->n_wb_cqi; i++) {
+      copy->a31csi->wb_cqi[i] = original->a31csi->wb_cqi[i];
+    }
+    copy->a31csi->has_wb_pmi = original->a31csi->has_wb_pmi;
+    copy->a31csi->wb_pmi = original->a31csi->wb_pmi;
+    copy->a31csi->n_sb_cqi = original->a31csi->n_sb_cqi;
+    copy->a31csi->sb_cqi = malloc(sizeof(Protocol__PrpMsbCqi *) * copy->a31csi->n_sb_cqi);
+    if (copy->a31csi == NULL) {
+      goto error;
+    }
+    for (i = 0; i < copy->a31csi->n_sb_cqi; i++) {
+      copy->a31csi->sb_cqi[i] = malloc(sizeof(Protocol__PrpMsbCqi));
+      if (copy->a31csi->sb_cqi[i] == NULL) {
+	goto error;
+      }
+      protocol__prp_msb_cqi__init(copy->a31csi->sb_cqi[i]);
+      copy->a31csi->sb_cqi[i]->n_sb_cqi = original->a31csi->sb_cqi[i]->n_sb_cqi;
+      copy->a31csi->sb_cqi[i]->sb_cqi = (uint32_t *) malloc(sizeof(uint32_t) * copy->a31csi->sb_cqi[i]->n_sb_cqi);
+      for (j = 0; j < copy->a31csi->sb_cqi[i]->n_sb_cqi; j++) {
+	copy->a31csi->sb_cqi[i]->sb_cqi[j] = original->a31csi->sb_cqi[i]->sb_cqi[j];
+      }
+    }
+    break;
+  default:
+    goto error;
+  }
+  return copy;
+
+ error:
+  return NULL;
+}
+
+Protocol__PrpCellStatsReport * copy_cell_stats_report(Protocol__PrpCellStatsReport *original) {
+ 
+  Protocol__PrpCellStatsReport * copy =  malloc(sizeof(Protocol__PrpCellStatsReport));
+  
+  if(copy == NULL) {
+    goto error;
+  }
+  protocol__prp_cell_stats_report__init(copy);
+  copy->carrier_index = original->carrier_index;
+  copy->has_carrier_index = original->has_carrier_index;
+  copy->flags = original->flags;
+  copy->has_flags = original->has_flags;
+
+   if(copy->flags & PROTOCOL__PRP_CELL_STATS_TYPE__PRCST_NOISE_INTERFERENCE) {
+     copy->noise_inter_report = copy_noise_inter_report(original->noise_inter_report);
+   }
+
+   return copy;
+
+ error:
+   return NULL;
+}
+
+Protocol__PrpNoiseInterferenceReport * copy_noise_inter_report(Protocol__PrpNoiseInterferenceReport *original) {
+  Protocol__PrpNoiseInterferenceReport *ni_report;
+  ni_report = malloc(sizeof(Protocol__PrpNoiseInterferenceReport));
+  if(ni_report == NULL) {
+    goto error;
+  }
+  protocol__prp_noise_interference_report__init(ni_report);
+  // Current frame and subframe number
+  ni_report->sfn_sf = original->sfn_sf;
+  ni_report->has_sfn_sf = original->sfn_sf;
+  // Received interference power in dbm
+  ni_report->rip = original->rip;
+  ni_report->has_rip = original->has_rip;
+  // Thermal noise power in dbm
+  ni_report->tnp = original->tnp;
+  ni_report->has_tnp = original->has_tnp;
+  
+  return ni_report;
+  
+ error:
+  return NULL;
+}

openair2/ENB_APP/enb_agent_mac_internal.h

+/*******************************************************************************
+    OpenAirInterface
+    Copyright(c) 1999 - 2014 Eurecom
+
+    OpenAirInterface is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+
+    OpenAirInterface is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenAirInterface.The full GNU General Public License is
+   included in this distribution in the file called "COPYING". If not,
+   see <http://www.gnu.org/licenses/>.
+
+  Contact Information
+  OpenAirInterface Admin: openair_admin@eurecom.fr
+  OpenAirInterface Tech : openair_tech@eurecom.fr
+  OpenAirInterface Dev  : openair4g-devel@lists.eurecom.fr
+
+  Address      : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
+
+ *******************************************************************************/
+
+/*! \file enb_agent_mac_internal.h
+ * \brief Implementation specific definitions for the eNB MAC agent
+ * \author Xenofon Foukas
+ * \date 2016
+ * \version 0.1
+ */
+
+#ifndef ENB_AGENT_MAC_INTERNAL_H_
+#define ENB_AGENT_MAC_INTERNAL_H_
+
+#include <pthread.h>
+
+#include "enb_agent_mac.h"
+#include "enb_agent_common.h"
+
+
+/*Flags showing if a mac agent has already been registered*/
+unsigned int mac_agent_registered[NUM_MAX_ENB_AGENT];
+
+/*This will be used for producing continuous status updates for the MAC
+ *Needs to be thread-safe
+ */
+typedef struct {
+  /*Flag showing if continuous mac stats update is enabled*/
+  uint8_t is_initialized;
+  volatile uint8_t cont_update;
+  xid_t xid;
+  Protocol__ProgranMessage *stats_req;
+  Protocol__ProgranMessage *prev_stats_reply;
+
+  pthread_mutex_t *mutex;
+} mac_stats_updates_context_t;
+
+/*Array holding the last stats reports for each eNB. Used for continuous reporting*/
+mac_stats_updates_context_t mac_stats_context[NUM_MAX_ENB_AGENT];
+
+/*Functions to initialize and destroy the struct required for the
+ *continuous stats update report*/
+err_code_t enb_agent_init_cont_mac_stats_update(mid_t mod_id);
+
+err_code_t enb_agent_destroy_cont_mac_stats_update(mid_t mod_id);
+
+
+/*Enable/Disable the continuous stats update service for the MAC*/
+err_code_t enb_agent_enable_cont_mac_stats_update(mid_t mod_id, xid_t xid,
+						  stats_request_config_t *stats_req);
+
+err_code_t enb_agent_disable_cont_mac_stats_update(mid_t mod_id);
+
+Protocol__ProgranMessage * enb_agent_generate_diff_mac_stats_report(Protocol__ProgranMessage *new_report,
+								    Protocol__ProgranMessage *old_report);
+
+Protocol__PrpUeStatsReport * copy_ue_stats_report(Protocol__PrpUeStatsReport * original);
+
+Protocol__PrpCellStatsReport * copy_cell_stats_report(Protocol__PrpCellStatsReport *original);
+
+Protocol__PrpRlcBsr * copy_rlc_report(Protocol__PrpRlcBsr * original);
+
+Protocol__PrpUlCqiReport * copy_ul_cqi_report(Protocol__PrpUlCqiReport * original);
+
+Protocol__PrpDlCqiReport * copy_dl_cqi_report(Protocol__PrpDlCqiReport * original);
+
+Protocol__PrpPagingBufferReport * copy_paging_buffer_report(Protocol__PrpPagingBufferReport *original);
+
+Protocol__PrpDlCsi * copy_csi_report(Protocol__PrpDlCsi * original);
+
+Protocol__PrpNoiseInterferenceReport * copy_noise_inter_report(Protocol__PrpNoiseInterferenceReport *original);
+
+int compare_ue_stats_reports(Protocol__PrpUeStatsReport *rep1,
+			    Protocol__PrpUeStatsReport *rep2);
+
+int compare_cell_stats_reports(Protocol__PrpCellStatsReport *rep1,
+			    Protocol__PrpCellStatsReport *rep2);
+
+#endif /*ENB_AGENT_MAC_INTERNAL_H_*/