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openairinterface5g/openair2/ENB_APP/CONTROL_MODULES/RRC/flexran_agent_rrc.c
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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
*/
/*! \file flexran_agent_mac.c
* \brief FlexRAN agent Control Module RRC
* \author shahab SHARIAT BAGHERI
* \date 2017
* \version 0.1
*/
#include "flexran_agent_rrc.h"
#include "liblfds700.h"
#include "log.h"
/*Flags showing if a rrc agent has already been registered*/
unsigned int rrc_agent_registered[NUM_MAX_ENB];
/*Array containing the Agent-RRC interfaces*/
AGENT_RRC_xface *agent_rrc_xface[NUM_MAX_ENB];
/* Ringbuffer related structs used for maintaining the dl rrc config messages */
//message_queue_t *rrc_dl_config_queue;
struct lfds700_misc_prng_state rrc_ps[NUM_MAX_ENB];
struct lfds700_ringbuffer_element *rrc_dl_config_array[NUM_MAX_ENB];
struct lfds700_ringbuffer_state rrc_ringbuffer_state[NUM_MAX_ENB];
void flexran_agent_init_rrc_agent(mid_t mod_id) {
lfds700_misc_library_init_valid_on_current_logical_core();
lfds700_misc_prng_init(&rrc_ps[mod_id]);
int num_elements = RINGBUFFER_SIZE + 1;
//Allow RINGBUFFER_SIZE messages to be stored in the ringbuffer at any time
rrc_dl_config_array[mod_id] = malloc( sizeof(struct lfds700_ringbuffer_element) * num_elements);
lfds700_ringbuffer_init_valid_on_current_logical_core( &rrc_ringbuffer_state[mod_id], rrc_dl_config_array[mod_id], num_elements, &rrc_ps[mod_id], NULL );
}
void flexran_agent_ue_state_change(mid_t mod_id, uint32_t rnti, uint8_t state_change) {
int size;
Protocol__FlexranMessage *msg;
Protocol__FlexHeader *header;
void *data;
int priority = 0;
err_code_t err_code;
int xid = 0;
if (flexran_create_header(xid, PROTOCOL__FLEX_TYPE__FLPT_UE_STATE_CHANGE, &header) != 0)
goto error;
Protocol__FlexUeStateChange *ue_state_change_msg;
ue_state_change_msg = malloc(sizeof(Protocol__FlexUeStateChange));
if(ue_state_change_msg == NULL) {
goto error;
}
protocol__flex_ue_state_change__init(ue_state_change_msg);
ue_state_change_msg->has_type = 1;
ue_state_change_msg->type = state_change;
Protocol__FlexUeConfig *config;
config = malloc(sizeof(Protocol__FlexUeConfig));
if (config == NULL) {
goto error;
}
protocol__flex_ue_config__init(config);
if (state_change == PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_DEACTIVATED) {
// Simply set the rnti of the UE
config->has_rnti = 1;
config->rnti = rnti;
} else if (state_change == PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_UPDATED
|| state_change == PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_ACTIVATED) {
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);
config->has_time_alignment_timer = 1;
}
if(flexran_get_meas_gap_config(mod_id,i) != -1){
config->meas_gap_config_pattern = flexran_get_meas_gap_config(mod_id,i);
config->has_meas_gap_config_pattern = 1;
}
if(config->has_meas_gap_config_pattern == 1 &&
config->meas_gap_config_pattern != PROTOCOL__FLEX_MEAS_GAP_CONFIG_PATTERN__FLMGCP_OFF) {
config->meas_gap_config_sf_offset = flexran_get_meas_gap_config_offset(mod_id,i);
config->has_meas_gap_config_sf_offset = 1;
}
//TODO: Set the SPS configuration (Optional)
//Not supported for now, 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
if(flexran_get_ue_transmission_mode(mod_id,i) != -1) {
config->transmission_mode = flexran_get_ue_transmission_mode(mod_id,i);
config->has_transmission_mode = 1;
}
config->ue_aggregated_max_bitrate_ul = flexran_get_ue_aggregated_max_bitrate_ul(mod_id,i);
config->has_ue_aggregated_max_bitrate_ul = 1;
config->ue_aggregated_max_bitrate_dl = flexran_get_ue_aggregated_max_bitrate_dl(mod_id,i);
config->has_ue_aggregated_max_bitrate_dl = 1;
//TODO: Set the UE capabilities
Protocol__FlexUeCapabilities *c_capabilities;
c_capabilities = malloc(sizeof(Protocol__FlexUeCapabilities));
protocol__flex_ue_capabilities__init(c_capabilities);
//TODO: Set half duplex (FDD operation)
c_capabilities->has_half_duplex = 0;
c_capabilities->half_duplex = 1;//flexran_get_half_duplex(i);
//TODO: Set intra-frame hopping flag
c_capabilities->has_intra_sf_hopping = 0;
c_capabilities->intra_sf_hopping = 1;//flexran_get_intra_sf_hopping(i);
//TODO: Set support for type 2 hopping with n_sb > 1
c_capabilities->has_type2_sb_1 = 0;
c_capabilities->type2_sb_1 = 1;//flexran_get_type2_sb_1(i);
//TODO: Set ue category
c_capabilities->has_ue_category = 0;
c_capabilities->ue_category = 1;//flexran_get_ue_category(i);
//TODO: Set UE support for resource allocation type 1
c_capabilities->has_res_alloc_type1 = 0;
c_capabilities->res_alloc_type1 = 1;//flexran_get_res_alloc_type1(i);
//Set the capabilites to the message
config->capabilities = c_capabilities;
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);
}
if(flexran_get_tti_bundling(mod_id,i) != -1) {
config->has_tti_bundling = 1;
config->tti_bundling = flexran_get_tti_bundling(mod_id,i);
}
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);
}
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);
}
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);
}
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);
}
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);
}
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);
}
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;
}
}
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);
}
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);
}
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);
}
config->has_pcell_carrier_index = 1;
config->pcell_carrier_index = UE_PCCID(mod_id, i);
//TODO: Set carrier aggregation support (boolean)
config->has_ca_support = 0;
config->ca_support = 0;
if(config->has_ca_support){
//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;
}
} else if (state_change == PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_MOVED) {
// TODO: Not supported for now. Leave blank
}
ue_state_change_msg->config = config;
msg = malloc(sizeof(Protocol__FlexranMessage));
if (msg == NULL) {
goto error;
}
protocol__flexran_message__init(msg);
msg->msg_case = PROTOCOL__FLEXRAN_MESSAGE__MSG_UE_STATE_CHANGE_MSG;
msg->msg_dir = PROTOCOL__FLEXRAN_DIRECTION__INITIATING_MESSAGE;
msg->ue_state_change_msg = ue_state_change_msg;
data = flexran_agent_pack_message(msg, &size);
/*Send sr info using the MAC channel of the eNB*/
if (flexran_agent_msg_send(mod_id, FLEXRAN_AGENT_DEFAULT, data, size, priority)) {
err_code = PROTOCOL__FLEXRAN_ERR__MSG_ENQUEUING;
goto error;
}
LOG_D(FLEXRAN_AGENT,"sent message with size %d\n", size);
return;
error:
LOG_E(FLEXRAN_AGENT, "Could not send UE state message becasue of %d \n",err_code);
}
int flexran_agent_destroy_ue_state_change(Protocol__FlexranMessage *msg) {
if(msg->msg_case != PROTOCOL__FLEXRAN_MESSAGE__MSG_UE_STATE_CHANGE_MSG)
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);
return 0;
error:
//LOG_E(MAC, "%s: an error occured\n", __FUNCTION__);
return -1;
}
/* this is called by RRC as a part of rrc xface . The controller previously requested this*/
void flexran_trigger_rrc_measurements (mid_t mod_id, MeasResults_t* measResults) {
// int i, m, k;
int priority = 0; // Warning Preventing
void *data;
int size;
err_code_t err_code;
Protocol__FlexUeStatsReport **ue_report;
Protocol__FlexCellStatsReport **cell_report;
Protocol__FlexStatsReply *stats_reply_msg;
Protocol__FlexranMessage *msg;
Protocol__FlexHeader *header;
int xid = 0;
int i;
if (flexran_create_header(xid, PROTOCOL__FLEX_TYPE__FLPT_STATS_REPLY, &header) != 0)
goto error;
stats_reply_msg = malloc(sizeof(Protocol__FlexStatsReply));
if (stats_reply_msg == NULL)
goto error;
protocol__flex_stats_reply__init(stats_reply_msg);
stats_reply_msg->header = header;
stats_reply_msg->n_ue_report = 1;
stats_reply_msg->n_cell_report = 1;
/****** LOCK ******************************************************************/
// pthread_spin_lock(&rrc_meas_t_lock);
// struct rrc_meas_trigg *ctxt;
// ctxt = rrc_meas_get_trigg(p->rnti, p->meas->measId);
// pthread_spin_unlock(&rrc_meas_t_lock);
/****** UNLOCK ****************************************************************/
// if (ctxt == NULL) {
// flexran_RRC_meas_reconf(p->rnti, -1, p->meas->measId, NULL, NULL);
// Free the measurement report received from UE.
// ASN_STRUCT_FREE(asn_DEF_MeasResults, p->meas);
// /* Free the params. */
// free(p);
// return 0;
// }
/* Check here whether trigger is registered in agent and then proceed.
*/
// if (em_has_trigger(mod_id, ctxt->t_id, RRC_MEAS_TRIGGER) == 0) {
// flexran_RRC_meas_reconf(p->rnti, -1, p->meas->measId, NULL, NULL);
// /* Trigger does not exist in agent so remove from wrapper as well. */
// if (rrc_meas_rem_trigg(ctxt) < 0) {
// goto error;
// }
// }
/* Set the RNTI of the UE. */
// repl->rnti = p->rnti;
/* Set the request status. */
// if (p->reconfig_success == 0) {
// repl->status = STATS_REQ_STATUS__SREQS_FAILURE;
// goto error;
// }
/* Successful outcome. */
// repl->status = STATS_REQ_STATUS__SREQS_SUCCESS;
/* Set the measurement ID of measurement. */
// repl->has_measid = 1;
// repl->measid = measResults->measId;
/* Fill the Primary Cell RSRP and RSRQ. */
// repl->has_pcell_rsrp = 1;
// repl->has_pcell_rsrq = 1;
// #ifdef Rel10
// repl->has_pcell_rsrp = 1;
// repl->has_pcell_rsrq = 1;
// repl->pcell_rsrp = measResults2->measResultPCell.rsrpResult - 140;
// repl->pcell_rsrq = (measResults2->measResultPCell.rsrqResult)/2 - 20;
ue_report = malloc(sizeof(Protocol__FlexUeStatsReport *) * 1);
if (ue_report == NULL)
goto error;
for (i = 0; i < 1; i++) {
ue_report[i] = malloc(sizeof(Protocol__FlexUeStatsReport));
if(ue_report[i] == NULL)
goto error;
protocol__flex_ue_stats_report__init(ue_report[i]);
ue_report[i]->rnti = flexran_get_ue_crnti(mod_id, 0);
ue_report[i]->has_rnti = 1;
ue_report[i]->flags = 65536;
ue_report[i]->has_flags = 1;
}
cell_report = malloc(sizeof(Protocol__FlexCellStatsReport *) * 1);
if (cell_report == NULL)
goto error;
for (i = 0; i < 1; i++) {
cell_report[i] = malloc(sizeof(Protocol__FlexCellStatsReport));
if(cell_report[i] == NULL)
goto error;
protocol__flex_cell_stats_report__init(cell_report[i]);
cell_report[i]->carrier_index = 0; //report_config->cc_report_type[i].cc_id;
cell_report[i]->has_carrier_index = 1;
cell_report[i]->flags = 0; // report_config->cc_report_type[i].cc_report_flags;
cell_report[i]->has_flags = 1;
}
Protocol__FlexRrcMeasurements *rrc_measurements;
rrc_measurements = malloc(sizeof(Protocol__FlexRrcMeasurements));
if (rrc_measurements == NULL)
goto error;
protocol__flex_rrc_measurements__init(rrc_measurements);
rrc_measurements->measid = measResults->measId;
rrc_measurements->has_measid = 1;
rrc_measurements->pcell_rsrp = measResults->measResultPCell.rsrpResult - 140;
rrc_measurements->has_pcell_rsrp = 1;
rrc_measurements->pcell_rsrq = (measResults->measResultPCell.rsrqResult)/2 - 20;
rrc_measurements->has_pcell_rsrq = 1 ;
ue_report[0]->rrc_measurements = rrc_measurements;
// #else
// repl->has_pcell_rsrp = 1;
// repl->has_pcell_rsrq = 1;
// repl->pcell_rsrp = RSRP_meas_mapping[meas->
// measResultServCell.rsrpResult];
// repl->pcell_rsrq = RSRQ_meas_mapping[meas->
// measResultServCell.rsrqResult];
// #endif
// repl->neigh_meas = NULL;
// if (meas->measResultNeighCells != NULL) {
// /*
// * Neighboring cells measurements performed by UE.
// */
// NeighCellsMeasurements *neigh_meas;
// neigh_meas = malloc(sizeof(NeighCellsMeasurements));
// if (neigh_meas == NULL)
// goto error;
// neigh_cells_measurements__init(neigh_meas);
// /* EUTRAN RRC Measurements. */
// if (meas->measResultNeighCells->present ==
// MeasResults__measResultNeighCells_PR_measResultListEUTRA) {
// MeasResultListEUTRA_t meas_list = meas->measResultNeighCells->
// choice.measResultListEUTRA;
// /* Set the number of EUTRAN measurements present in report. */
// neigh_meas->n_eutra_meas = meas_list.list.count;
// if (neigh_meas->n_eutra_meas > 0) {
// /* Initialize EUTRAN measurements. */
// EUTRAMeasurements **eutra_meas;
// eutra_meas = malloc(sizeof(EUTRAMeasurements *) *
// neigh_meas->n_eutra_meas);
// for (i = 0; i < neigh_meas->n_eutra_meas; i++) {
// eutra_meas[i] = malloc(sizeof(EUTRAMeasurements));
// eutra_measurements__init(eutra_meas[i]);
// /* Fill in the physical cell identifier. */
// eutra_meas[i]->has_phys_cell_id = 1;
// eutra_meas[i]->phys_cell_id = meas_list.list.array[i]->
// physCellId;
// // log_i(agent,"PCI of Target %d", eutra_meas[i]->phys_cell_id);
// /* Check for Reference signal measurements. */
// if (&(meas_list.list.array[i]->measResult)) {
// /* Initialize Ref. signal measurements. */
// EUTRARefSignalMeas *meas_result;
// meas_result = malloc(sizeof(EUTRARefSignalMeas));
// eutra_ref_signal_meas__init(meas_result);
// if (meas_list.list.array[i]->measResult.rsrpResult) {
// meas_result->has_rsrp = 1;
// meas_result->rsrp = RSRP_meas_mapping[*(meas_list.
// list.array[i]->measResult.rsrpResult)];
// // log_i(agent,"RSRP of Target %d", meas_result->rsrp);
// }
// if (meas_list.list.array[i]->measResult.rsrqResult) {
// meas_result->has_rsrq = 1;
// meas_result->rsrq = RSRQ_meas_mapping[*(meas_list.
// list.array[i]->measResult.rsrqResult)];
// // log_i(agent,"RSRQ of Target %d", meas_result->rsrq);
// }
// eutra_meas[i]->meas_result = meas_result;
// }
// /* Check for CGI measurements. */
// if (meas_list.list.array[i]->cgi_Info) {
// /* Initialize CGI measurements. */
// EUTRACgiMeasurements *cgi_meas;
// cgi_meas = malloc(sizeof(EUTRACgiMeasurements));
// eutra_cgi_measurements__init(cgi_meas);
// /* EUTRA Cell Global Identity (CGI). */
// CellGlobalIdEUTRA *cgi;
// cgi = malloc(sizeof(CellGlobalIdEUTRA));
// cell_global_id__eutra__init(cgi);
// cgi->has_cell_id = 1;
// CellIdentity_t cId = meas_list.list.array[i]->
// cgi_Info->cellGlobalId.cellIdentity;
// cgi->cell_id = (cId.buf[0] << 20) + (cId.buf[1] << 12) +
// (cId.buf[2] << 4) + (cId.buf[3] >> 4);
// /* Public land mobile network identifier of neighbor
// * cell.
// */
// PlmnIdentity *plmn_id;
// plmn_id = malloc(sizeof(PlmnIdentity));
// plmn_identity__init(plmn_id);
// MNC_t mnc = meas_list.list.array[i]->
// cgi_Info->cellGlobalId.plmn_Identity.mnc;
// plmn_id->has_mnc = 1;
// plmn_id->mnc = 0;
// for (m = 0; m < mnc.list.count; m++) {
// plmn_id->mnc += *mnc.list.array[m] *
// ((uint32_t) pow(10, mnc.list.count - m - 1));
// }
// MCC_t *mcc = meas_list.list.array[i]->
// cgi_Info->cellGlobalId.plmn_Identity.mcc;
// plmn_id->has_mcc = 1;
// plmn_id->mcc = 0;
// for (m = 0; m < mcc->list.count; m++) {
// plmn_id->mcc += *mcc->list.array[m] *
// ((uint32_t) pow(10, mcc->list.count - m - 1));
// }
// TrackingAreaCode_t tac = meas_list.list.array[i]->
// cgi_Info->trackingAreaCode;
// cgi_meas->has_tracking_area_code = 1;
// cgi_meas->tracking_area_code = (tac.buf[0] << 8) +
// (tac.buf[1]);
// PLMN_IdentityList2_t *plmn_l = meas_list.list.array[i]->
// cgi_Info->plmn_IdentityList;
// cgi_meas->n_plmn_id = plmn_l->list.count;
// /* Set the PLMN ID list in CGI measurements. */
// PlmnIdentity **plmn_id_l;
// plmn_id_l = malloc(sizeof(PlmnIdentity *) *
// cgi_meas->n_plmn_id);
// MNC_t mnc2;
// MCC_t *mcc2;
// for (m = 0; m < cgi_meas->n_plmn_id; m++) {
// plmn_id_l[m] = malloc(sizeof(PlmnIdentity));
// plmn_identity__init(plmn_id_l[m]);
// mnc2 = plmn_l->list.array[m]->mnc;
// plmn_id_l[m]->has_mnc = 1;
// plmn_id_l[m]->mnc = 0;
// for (k = 0; k < mnc2.list.count; k++) {
// plmn_id_l[m]->mnc += *mnc2.list.array[k] *
// ((uint32_t) pow(10, mnc2.list.count - k - 1));
// }
// mcc2 = plmn_l->list.array[m]->mcc;
// plmn_id_l[m]->has_mcc = 1;
// plmn_id_l[m]->mcc = 0;
// for (k = 0; k < mcc2->list.count; k++) {
// plmn_id_l[m]->mcc += *mcc2->list.array[k] *
// ((uint32_t) pow(10, mcc2->list.count - k - 1));
// }
// }
// cgi_meas->plmn_id = plmn_id_l;
// eutra_meas[i]->cgi_meas = cgi_meas;
// }
// }
// neigh_meas->eutra_meas = eutra_meas;
// }
// }
// repl->neigh_meas = neigh_meas;
// }
/* Attach the RRC measurement reply message to RRC measurements message. */
// mrrc_meas->repl = repl;
/* Attach RRC measurement message to triggered event message. */
// te->mrrc_meas = mrrc_meas;
// te->has_action = 0;
/* Attach the triggered event message to main message. */
// reply->te = te;
/* Send the report to controller. */
// if (flexran_agent_msg_send(b_id, reply) < 0) {
// goto error;
// }
/* Free the measurement report received from UE. */
// ASN_STRUCT_FREE(asn_DEF_MeasResults, p->meas);
/* Free the params. */
// free(p);
stats_reply_msg->cell_report = cell_report;
stats_reply_msg->ue_report = ue_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;
data = flexran_agent_pack_message(msg, &size);
if (flexran_agent_msg_send(mod_id, FLEXRAN_AGENT_DEFAULT, data, size, priority)) {
err_code = PROTOCOL__FLEXRAN_ERR__MSG_ENQUEUING;
goto error;
}
LOG_I(FLEXRAN_AGENT,"RRC Trigger is done \n");
return;
error:
LOG_E(FLEXRAN_AGENT, "Could not send UE state message becasue of %d \n",err_code);
/* Free the measurement report received from UE. */
// ASN_STRUCT_FREE(asn_DEF_MeasResults, p->meas);
/* Free the params. */
// free(p);
// return -1;
}
int flexran_agent_register_rrc_xface(mid_t mod_id, AGENT_RRC_xface *xface) {
if (rrc_agent_registered[mod_id]) {
LOG_E(RRC, "RRC agent for eNB %d is already registered\n", mod_id);
return -1;
}
// xface->flexran_agent_send_update_rrc_stats = flexran_agent_send_update_rrc_stats;
xface->flexran_agent_notify_ue_state_change = flexran_agent_ue_state_change;
xface->flexran_trigger_rrc_measurements = flexran_trigger_rrc_measurements;
rrc_agent_registered[mod_id] = 1;
agent_rrc_xface[mod_id] = xface;
return 0;
}
int flexran_agent_unregister_rrc_xface(mid_t mod_id, AGENT_RRC_xface *xface) {
//xface->agent_ctxt = NULL;
// xface->flexran_agent_send_update_rrc_stats = NULL;
xface->flexran_agent_notify_ue_state_change = NULL;
xface->flexran_trigger_rrc_measurements = NULL;
rrc_agent_registered[mod_id] = 0;
agent_rrc_xface[mod_id] = NULL;
return 0;
}
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