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openairinterface5g/openair2/ENB_APP/enb_agent_mac_internal.c
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/*******************************************************************************
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 <string.h>
#include <dlfcn.h>
#include "enb_agent_mac_internal.h"
Protocol__FlexranMessage * enb_agent_generate_diff_mac_stats_report(Protocol__FlexranMessage *new_message,
Protocol__FlexranMessage *old_message) {
int i, j;
Protocol__FlexStatsReply *old_report, *new_report;
Protocol__FlexStatsReply *stats_reply_msg = NULL;
Protocol__FlexranMessage *msg = NULL;
Protocol__FlexUeStatsReport **ue_report;
Protocol__FlexUeStatsReport *tmp_ue_report[NUM_MAX_UE];
Protocol__FlexCellStatsReport **cell_report;
Protocol__FlexCellStatsReport *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__FlexUeStatsReport *));
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__FlexCellStatsReport *));
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__FlexHeader *header;
if (flex_create_header(xid, PROTOCOL__FLEX_TYPE__FLPT_STATS_REPLY, &header) != 0) {
goto error;
}
stats_reply_msg = malloc(sizeof(Protocol__FlexStatsReply));
protocol__flex_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__FlexranMessage));
if(msg == NULL)
goto error;
protocol__flexran_message__init(msg);
msg->msg_case = PROTOCOL__FLEXRAN_MESSAGE__MSG_STATS_REPLY_MSG;
msg->msg_dir = PROTOCOL__FLEXRAN_DIRECTION__SUCCESSFUL_OUTCOME;
msg->stats_reply_msg = stats_reply_msg;
}
return msg;
error:
return NULL;
}
int compare_ue_stats_reports(Protocol__FlexUeStatsReport *rep1,
Protocol__FlexUeStatsReport *rep2) {
return 1;
}
int compare_cell_stats_reports(Protocol__FlexCellStatsReport *rep1,
Protocol__FlexCellStatsReport *rep2) {
return 1;
}
Protocol__FlexUeStatsReport * copy_ue_stats_report(Protocol__FlexUeStatsReport * original) {
int i;
Protocol__FlexUeStatsReport *copy = malloc(sizeof(Protocol__FlexUeStatsReport));
if (copy == NULL)
goto error;
protocol__flex_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__FLEX_UE_STATS_TYPE__FLUST_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__FLEX_UE_STATS_TYPE__FLUST_PRH) {
copy->has_phr = original->has_phr;
copy->phr = original->phr;
}
if (copy->flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_RLC_BS) {
copy->n_rlc_report = original->n_rlc_report;
if (copy->n_rlc_report > 0) {
Protocol__FlexRlcBsr ** rlc_reports;
rlc_reports = malloc(sizeof(Protocol__FlexRlcBsr) * 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__FLEX_UE_STATS_TYPE__FLUST_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__FLEX_UE_STATS_TYPE__FLUST_DL_CQI) {
copy->dl_cqi_report = copy_dl_cqi_report(original->dl_cqi_report);
}
if (copy->flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_PBS) {
/*Copy the Paging Buffer report*/
copy->pbr = copy_paging_buffer_report(original->pbr);
}
if (copy->flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_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__FlexRlcBsr * copy_rlc_report(Protocol__FlexRlcBsr * original) {
Protocol__FlexRlcBsr * copy = malloc(sizeof(Protocol__FlexRlcBsr));
if (copy == NULL)
goto error;
protocol__flex_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__FlexUlCqiReport * copy_ul_cqi_report(Protocol__FlexUlCqiReport * original) {
int i, j;
//Fill in the full UL CQI report of the UE
Protocol__FlexUlCqiReport *full_ul_report;
full_ul_report = malloc(sizeof(Protocol__FlexUlCqiReport));
if(full_ul_report == NULL) {
goto error;
}
protocol__flex_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__FlexUlCqi **ul_report;
ul_report = malloc(sizeof(Protocol__FlexUlCqi *) * 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__FlexUlCqi));
if(ul_report[i] == NULL)
goto error;
protocol__flex_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__FlexDlCqiReport * copy_dl_cqi_report(Protocol__FlexDlCqiReport * original) {
int i;
/*Copy the DL report*/
Protocol__FlexDlCqiReport * dl_report;
dl_report = malloc(sizeof(Protocol__FlexDlCqiReport));
if (dl_report == NULL)
goto error;
protocol__flex_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__FlexDlCsi **csi_reports;
csi_reports = malloc(sizeof(Protocol__FlexDlCsi *) * 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__FlexPagingBufferReport * copy_paging_buffer_report(Protocol__FlexPagingBufferReport *original) {
int i;
Protocol__FlexPagingBufferReport *copy;
copy = malloc(sizeof(Protocol__FlexPagingBufferReport));
if (copy == NULL)
goto error;
protocol__flex_paging_buffer_report__init(copy);
copy->n_paging_info = original->n_paging_info;
Protocol__FlexPagingInfo **p_info;
p_info = malloc(sizeof(Protocol__FlexPagingInfo *) * 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__FlexPagingInfo));
if(p_info[i] == NULL)
goto error;
protocol__flex_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__FlexDlCsi * copy_csi_report(Protocol__FlexDlCsi * original) {
int i, j;
Protocol__FlexDlCsi *copy = malloc(sizeof(Protocol__FlexDlCsi));
if (copy == NULL)
goto error;
protocol__flex_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__FLEX_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__FLEX_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__FLEX_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__FLEX_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__FLEX_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__FLEX_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__FLEX_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__FLEX_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__FLEX_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__FlexMsbCqi *) * 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__FlexMsbCqi));
if (copy->a31csi->sb_cqi[i] == NULL) {
goto error;
}
protocol__flex_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__FlexCellStatsReport * copy_cell_stats_report(Protocol__FlexCellStatsReport *original) {
Protocol__FlexCellStatsReport * copy = malloc(sizeof(Protocol__FlexCellStatsReport));
if(copy == NULL) {
goto error;
}
protocol__flex_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__FLEX_CELL_STATS_TYPE__FLCST_NOISE_INTERFERENCE) {
copy->noise_inter_report = copy_noise_inter_report(original->noise_inter_report);
}
return copy;
error:
return NULL;
}
Protocol__FlexNoiseInterferenceReport * copy_noise_inter_report(Protocol__FlexNoiseInterferenceReport *original) {
Protocol__FlexNoiseInterferenceReport *ni_report;
ni_report = malloc(sizeof(Protocol__FlexNoiseInterferenceReport));
if(ni_report == NULL) {
goto error;
}
protocol__flex_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;
}
int parse_mac_config(mid_t mod_id, yaml_parser_t *parser) {
yaml_event_t event;
int done = 0;
int sequence_started = 0;
int mapping_started = 0;
while (!done) {
if (!yaml_parser_parse(parser, &event))
goto error;
switch (event.type) {
case YAML_SEQUENCE_START_EVENT:
LOG_D(ENB_APP, "A sequence just started as expected\n");
sequence_started = 1;
break;
case YAML_SEQUENCE_END_EVENT:
LOG_D(ENB_APP, "A sequence ended\n");
sequence_started = 0;
break;
case YAML_MAPPING_START_EVENT:
if (!sequence_started) {
goto error;
}
LOG_D(ENB_APP, "A mapping started\n");
mapping_started = 1;
break;
case YAML_MAPPING_END_EVENT:
if (!mapping_started) {
goto error;
}
LOG_D(ENB_APP, "A mapping ended\n");
mapping_started = 0;
break;
case YAML_SCALAR_EVENT:
if (!mapping_started) {
goto error;
}
// Check the types of subsystems offered and handle their values accordingly
if (strcmp(event.data.scalar.value, "dl_scheduler") == 0) {
LOG_D(ENB_APP, "This is for the dl_scheduler subsystem\n");
// Call the proper handler
if (parse_dl_scheduler_config(mod_id, parser) == -1) {
LOG_D(ENB_APP, "An error occured\n");
goto error;
}
} else if (strcmp(event.data.scalar.value, "ul_scheduler") == 0) {
// Call the proper handler
LOG_D(ENB_APP, "This is for the ul_scheduler subsystem\n");
goto error;
// TODO
} else if (strcmp(event.data.scalar.value, "ra_scheduler") == 0) {
// Call the proper handler
// TODO
} else if (strcmp(event.data.scalar.value, "page_scheduler") == 0) {
// Call the proper handler
// TODO
} else {
// Unknown subsystem
goto error;
}
break;
default: // We expect nothing else at this level of the hierarchy
goto error;
}
done = (event.type == YAML_SEQUENCE_END_EVENT);
yaml_event_delete(&event);
}
return 0;
error:
yaml_event_delete(&event);
return -1;
}
int parse_dl_scheduler_config(mid_t mod_id, yaml_parser_t *parser) {
yaml_event_t event;
int done = 0;
int mapping_started = 0;
while (!done) {
if (!yaml_parser_parse(parser, &event))
goto error;
switch (event.type) {
// We are expecting a mapping (behavior and parameters)
case YAML_MAPPING_START_EVENT:
LOG_D(ENB_APP, "The mapping of the subsystem started\n");
mapping_started = 1;
break;
case YAML_MAPPING_END_EVENT:
LOG_D(ENB_APP, "The mapping of the subsystem ended\n");
mapping_started = 0;
break;
case YAML_SCALAR_EVENT:
if (!mapping_started) {
goto error;
}
// Check what key needs to be set
if (strcmp(event.data.scalar.value, "behavior") == 0) {
LOG_I(ENB_APP, "Time to set the behavior attribute\n");
yaml_event_delete(&event);
if (!yaml_parser_parse(parser, &event)) {
goto error;
}
if (event.type == YAML_SCALAR_EVENT) {
if (load_dl_scheduler_function(mod_id, event.data.scalar.value) == -1) {
goto error;
}
} else {
goto error;
}
} else if (strcmp(event.data.scalar.value, "parameters") == 0) {
LOG_D(ENB_APP, "Now it is time to set the parameters for this subsystem\n");
if (parse_dl_scheduler_parameters(mod_id, parser) == -1) {
goto error;
}
}
break;
default:
goto error;
}
done = (event.type == YAML_MAPPING_END_EVENT);
yaml_event_delete(&event);
}
return 0;
error:
yaml_event_delete(&event);
return -1;
}
int parse_dl_scheduler_parameters(mid_t mod_id, yaml_parser_t *parser) {
yaml_event_t event;
void *param;
int done = 0;
int mapping_started = 0;
while (!done) {
if (!yaml_parser_parse(parser, &event))
goto error;
switch (event.type) {
// We are expecting a mapping of parameters
case YAML_MAPPING_START_EVENT:
LOG_D(ENB_APP, "The mapping of the parameters started\n");
mapping_started = 1;
break;
case YAML_MAPPING_END_EVENT:
LOG_D(ENB_APP, "The mapping of the parameters ended\n");
mapping_started = 0;
break;
case YAML_SCALAR_EVENT:
if (!mapping_started) {
goto error;
}
// Check what key needs to be set
if (mac_agent_registered[mod_id]) {
LOG_D(ENB_APP, "Setting parameter %s\n", event.data.scalar.value);
param = dlsym(agent_mac_xface[mod_id]->dl_scheduler_loaded_lib,
event.data.scalar.value);
if (param == NULL) {
goto error;
}
apply_parameter_modification(param, parser);
} else {
goto error;
}
break;
default:
goto error;
}
done = (event.type == YAML_MAPPING_END_EVENT);
yaml_event_delete(&event);
}
return 0;
error:
yaml_event_delete(&event);
return -1;
}
int load_dl_scheduler_function(mid_t mod_id, const char *function_name) {
void *lib;
char lib_name[120];
char target[512];
snprintf(lib_name, sizeof(lib_name), "/%s.so", function_name);
strcpy(target, local_cache);
strcat(target, lib_name);
lib = dlopen(target, RTLD_NOW);
if (lib == NULL) {
goto error;
}
void *loaded_scheduler = dlsym(lib, function_name);
if (loaded_scheduler) {
if (mac_agent_registered[mod_id]) {
agent_mac_xface[mod_id]->enb_agent_schedule_ue_spec = loaded_scheduler;
if (agent_mac_xface[mod_id]->dl_scheduler_loaded_lib != NULL) {
dlclose(agent_mac_xface[mod_id]->dl_scheduler_loaded_lib);
}
agent_mac_xface[mod_id]->dl_scheduler_loaded_lib = lib;
LOG_D(ENB_APP, "Delegated control for DL UE scheduler succesfully\n");
}
}
return 0;
error:
return -1;
}
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