return (LCM_REASON_MEM_NOAVAIL);
}
+ /* Initialize statistics related configurations */
+ memset(&schCb[inst].statistics, 0, sizeof(SchStatistics));
+ cmLListInit(&schCb[inst].statistics.activeKpiList.dlTotPrbUseList);
+ cmLListInit(&schCb[inst].statistics.activeKpiList.ulTotPrbUseList);
+
/* Set Config done in TskInit */
schCb[inst].schInit.cfgDone = TRUE;
DU_LOG("\nINFO --> SCH : Scheduler gen config done");
}
/* Update statistics of PRB usage if stats calculation is enabled */
- if(schCb[cell->instIdx].statistics.dlTotalPrbUsage)
+ if(schCb[cell->instIdx].statistics.activeKpiList.dlTotPrbUseList.count)
prbAlloc->numPrbAlloc += numPrb;
/* Update the remaining number for free PRBs */
}
/* Update statistics of PRB usage if stats calculation is enabled */
- if(schCb[cell->instIdx].statistics.ulTotalPrbUsage)
+ if(schCb[cell->instIdx].statistics.activeKpiList.ulTotPrbUseList.count)
prbAlloc->numPrbAlloc += numPrb;
/* Update the remaining number for free PRBs */
* RFAILED - failure
*
* ****************************************************************/
-uint8_t SchSendStatsRspToMac(Inst inst, SchMacRsp result, CauseOfResult cause)
+uint8_t SchSendStatsRspToMac(SchStatsRsp *statsRsp)
{
Pst rspPst;
uint8_t ret = ROK;
- SchStatsRsp *statsRsp;
+ SchStatsRsp *schStatsRsp;
DU_LOG("\nINFO --> SCH : Filling statistics response");
- SCH_ALLOC(statsRsp, sizeof(SchStatsRsp));
- if(statsRsp == NULLP)
+ SCH_ALLOC(schStatsRsp, sizeof(SchStatsRsp));
+ if(schStatsRsp == NULLP)
{
DU_LOG("\nERROR --> SCH : Failed to allocate memory in SchSendStatsRspToMac()");
return RFAILED;
}
+
+ memcpy(schStatsRsp, statsRsp, sizeof(SchStatsRsp));
memset(statsRsp, 0, sizeof(SchStatsRsp));
- statsRsp->rsp = result;
- statsRsp->cause = cause;
/* Filling response post */
memset(&rspPst, 0, sizeof(Pst));
FILL_PST_SCH_TO_MAC(rspPst, inst);
rspPst.event = EVENT_STATISTICS_RSP_TO_MAC;
- ret = MacMessageRouter(&rspPst, (void *)statsRsp);
+ ret = MacMessageRouter(&rspPst, (void *)schStatsRsp);
if(ret == RFAILED)
{
DU_LOG("\nERROR --> SCH : SchSendStatsRspToMac(): Failed to send Statistics Response");
return ret;
}
+/*******************************************************************
+ *
+ * @brief Rejects all statistics group requested by MAC
+ *
+ * @details
+ *
+ * Function : SchRejectAllStats
+ *
+ * Functionality: Add all statistics group received in statistics
+ * request from MAC, to Reject-Stats-Group-List in statistics
+ * response to MAC
+ *
+ * @params[in] Statistics request from MAC
+ * Cause of rejection
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t SchRejectAllStats(SchStatsReq *schStatsReq, CauseOfResult cause)
+{
+ uint8_t grpIdx = 0;
+ SchStatsRsp schStatsRsp;
+
+ memset(&schStatsRsp, 0, sizeof(SchStatsRsp));
+
+ /* Copying all stats group from stats request to stats response */
+ schStatsRsp.subscriptionId = schStatsReq->subscriptionId;
+ for(grpIdx = 0; grpIdx < schStatsReq->numStatsGroup; grpIdx++)
+ {
+ schStatsRsp.statsGrpRejectedList[grpIdx].groupId = schStatsReq->statsGrpList[grpIdx].groupId;
+ schStatsRsp.statsGrpRejectedList[grpIdx].cause = cause;
+ }
+ schStatsRsp.numGrpRejected = schStatsReq->numStatsGroup;
+
+ return SchSendStatsRspToMac(&schStatsRsp);
+}
+
+/*******************************************************************
+ *
+ * @brief Add active KPI pointers to KPI-Active-List
+ *
+ * @details
+ *
+ * Function : schAddToKpiActiveList
+ *
+ * Functionality: For each active statistics group for which timer
+ * is running, add its KPI pointer to KPI-Active-List.
+ * Use case :
+ * When it is needed to update a KPI parameters, we need not
+ * traverse all statistics group and all KPIs within a group
+ * to get the specific KPI pointer to be updated.
+ * Instead, we can traverse through KPI-Active-List and update
+ * all entries in this list.
+ *
+ * @params[in] Statistics request from MAC
+ * Cause of rejection
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t schAddToKpiActiveList(Inst inst, SchStatsGrp *grpInfo)
+{
+ CmLList *node = NULLP;
+
+ /* If DL Total PRB Usage configured for this stats group, add to list */
+ if(grpInfo->kpiStats.dlTotalPrbUsage)
+ {
+ SCH_ALLOC(node, sizeof(CmLList));
+ if(node)
+ {
+ node->node = (PTR)grpInfo->kpiStats.dlTotalPrbUsage;
+ cmLListAdd2Tail(&schCb[inst].statistics.activeKpiList.dlTotPrbUseList, node);
+ }
+ }
+
+ /* If UL Total PRB Usage configured for this stats group, add to list */
+ node = NULLP;
+ if(grpInfo->kpiStats.ulTotalPrbUsage)
+ {
+ SCH_ALLOC(node, sizeof(CmLList));
+ if(node)
+ {
+ node->node = (PTR)grpInfo->kpiStats.ulTotalPrbUsage;
+ cmLListAdd2Tail(&schCb[inst].statistics.activeKpiList.ulTotPrbUseList, node);
+ }
+ }
+
+ return ROK;
+}
+
/*******************************************************************
*
* @brief Processes Statistics Request from MAC
* Function : SchProcStatsReq
*
* Functionality:
- * Processes Statistics Request from MAC
*
- * @params[in]
+ * This function process the statistics request from MAC:
+ * [Step 1] Basic validation. If fails, all stats group in stats request are
+ * rejected.
+ * [Step 2] If basic validations passed, traverse all stats group and
+ * validate each measurement types in each group.
+ * [Step 3] If any measurement type validation fails in a group, that group
+ * is not configured and it is added to stats-group-rejected-list in
+ * sch-stats-response message.
+ * [Step 4] If a group passes all validation, it is added to SCH database.
+ * A timer is started for this group. And the group is added to
+ * stats-group-accepted-list in sch-stats-response message.
+ * [Step 5] sch-stats-response is sent to du app with stats-group-rejected-list
+ * and stats-group-accepted-list.
+ *
+ * @params[in] Post structure
+ * Statistics Request from MAC
* @return ROK - success
* RFAILED - failure
*
* ****************************************************************/
uint8_t SchProcStatsReq(Pst *pst, SchStatsReq *statsReq)
{
- uint8_t idx;
+ uint8_t grpIdx = 0, reqGrpIdx = 0, reqMeasIdx = 0;
Inst inst = pst->dstInst - SCH_INST_START;
- SchMacRsp rsp = RSP_OK;
- CauseOfResult cause = SUCCESSFUL;
- bool isDlTotlPrbUseCfgd = false, isUlTotlPrbUseCfgd = false;
+ bool measTypeInvalid;
+ CauseOfResult cause;
+ CmLList *statsGrpNode=NULLP;
+ SchStatsGrpInfo *grpInfo = NULLP;
+ SchStatsGrp *grpInfoDb = NULLP;
+ SchStatsRsp schStatsRsp;
DU_LOG("\nINFO --> SCH : Received Statistics Request from MAC");
- for(idx=0; idx < statsReq->numStats; idx++)
+ if(statsReq == NULLP)
{
- switch(statsReq->statsList[idx].type)
- {
- case SCH_DL_TOTAL_PRB_USAGE:
- {
- /* Check if duplicate configuration */
- if(schCb[inst].statistics.dlTotalPrbUsage)
- {
- DU_LOG("\nERROR --> SCH : SCH_DL_TOTAL_PRB_USAGE stats already configured");
- rsp = RSP_NOK;
- cause = DUPLICATE_ENTRY;
- }
-
- /* Allocate memory */
- SCH_ALLOC(schCb[inst].statistics.dlTotalPrbUsage, sizeof(TotalPrbUsage));
- if(!schCb[inst].statistics.dlTotalPrbUsage)
- {
- DU_LOG("\nERROR --> SCH : Memory allocation failed for dlTotalPrbUsage in \
- SchProcStatsReq()");
- rsp = RSP_NOK;
- cause = RESOURCE_UNAVAILABLE;
- break;
- }
-
- /* Initialize */
- memset(schCb[inst].statistics.dlTotalPrbUsage, 0, sizeof(TotalPrbUsage));
+ DU_LOG("\nERROR --> SCH : SchProcStatsReq(): Received Null pointer");
+ return RFAILED;
+ }
- /* Configure */
- schCb[inst].statistics.dlTotalPrbUsage->schInst = inst;
- schCb[inst].statistics.dlTotalPrbUsage->periodicity = statsReq->statsList[idx].periodicity;
- cmInitTimers(&(schCb[inst].statistics.dlTotalPrbUsage->periodTimer), 1);
+ /* [Step 1] Basic validation. If fails, all stats group in stats request are rejected */
+
+ /* If maximum number of statistics already configured */
+ if(schCb[inst].statistics.statsGrpList.count >= MAX_NUM_STATS_GRP)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcStatsReq: Maximum number of statistics configured. \
+ Cannot process new request.");
+ SchRejectAllStats(statsReq, RESOURCE_UNAVAILABLE);
+ SCH_FREE(statsReq, sizeof(SchStatsReq));
+ return RFAILED;
+ }
- /* Start timer */
- schStartTmr(&schCb[inst], (PTR)(schCb[inst].statistics.dlTotalPrbUsage), \
- EVENT_DL_TOTAL_PRB_USAGE_TMR, schCb[inst].statistics.dlTotalPrbUsage->periodicity);
+ memset(&schStatsRsp, 0, sizeof(SchStatsRsp));
- isDlTotlPrbUseCfgd = true;
- break;
- }
+ /* [Step 2] Traverse all stats group and validate each measurement types in each group */
+ for(reqGrpIdx=0; reqGrpIdx<statsReq->numStatsGroup && grpIdx<MAX_NUM_STATS; reqGrpIdx++)
+ {
+ measTypeInvalid = false;
+ grpInfo = &statsReq->statsGrpList[reqGrpIdx];
+ SCH_ALLOC(grpInfoDb, sizeof(SchStatsGrp));
+ if(grpInfoDb == NULLP)
+ {
- case SCH_UL_TOTAL_PRB_USAGE:
+ DU_LOG("\nERROR --> SCH : Memory allocation failed for dlTotalPrbUsage in \
+ SchProcStatsReq()");
+ measTypeInvalid = true;
+ cause = RESOURCE_UNAVAILABLE;
+ }
+ else
+ {
+ for(reqMeasIdx = 0; reqMeasIdx < grpInfo->numStats; reqMeasIdx++)
+ {
+ switch(grpInfo->statsList[reqMeasIdx])
{
- /* Check if duplicate configuration */
- if(schCb[inst].statistics.ulTotalPrbUsage)
- {
- DU_LOG("\nERROR --> SCH : SCH_UL_TOTAL_PRB_USAGE stats already configured");
- rsp = RSP_NOK;
- cause = DUPLICATE_ENTRY;
- }
-
- /* Allocate memory */
- SCH_ALLOC(schCb[inst].statistics.ulTotalPrbUsage, sizeof(TotalPrbUsage));
- if(!schCb[inst].statistics.ulTotalPrbUsage)
- {
- DU_LOG("\nERROR --> SCH : Memory allocation failed for ulTotalPrbUsage in \
- SchProcStatsReq()");
- rsp = RSP_NOK;
- cause = RESOURCE_UNAVAILABLE;
- break;
- }
-
- /* Initialize */
- memset(schCb[inst].statistics.ulTotalPrbUsage, 0, sizeof(TotalPrbUsage));
-
- /* Configure */
- schCb[inst].statistics.ulTotalPrbUsage->schInst = inst;
- schCb[inst].statistics.ulTotalPrbUsage->periodicity = statsReq->statsList[idx].periodicity;
- cmInitTimers(&(schCb[inst].statistics.ulTotalPrbUsage->periodTimer), 1);
+ case SCH_DL_TOTAL_PRB_USAGE:
+ {
+ /* Allocate memory */
+ SCH_ALLOC(grpInfoDb->kpiStats.dlTotalPrbUsage, sizeof(TotalPrbUsage));
+ if(!grpInfoDb->kpiStats.dlTotalPrbUsage)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d",__func__, __LINE__);
+ measTypeInvalid = true;
+ cause = RESOURCE_UNAVAILABLE;
+ }
+ break;
+ }
- /* Start timer */
- schStartTmr(&schCb[inst], (PTR)(schCb[inst].statistics.ulTotalPrbUsage), \
- EVENT_UL_TOTAL_PRB_USAGE_TMR, schCb[inst].statistics.ulTotalPrbUsage->periodicity);
+ case SCH_UL_TOTAL_PRB_USAGE:
+ {
+ /* Allocate memory */
+ SCH_ALLOC(grpInfoDb->kpiStats.ulTotalPrbUsage, sizeof(TotalPrbUsage));
+ if(!grpInfoDb->kpiStats.ulTotalPrbUsage)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d",__func__, __LINE__);
+ measTypeInvalid = true;
+ cause = RESOURCE_UNAVAILABLE;
+ }
+ break;
+ }
- isUlTotlPrbUseCfgd = true;
- break;
+ default:
+ {
+ DU_LOG("\nERROR --> SCH : SchProcStatsReq: Invalid measurement type [%d]", \
+ grpInfo->statsList[reqMeasIdx]);
+ measTypeInvalid = true;
+ cause = PARAM_INVALID;
+ break;
+ }
}
- default:
+
+ /* [Step 3 a] If any measurement type validation fails in a group, that group
+ * is not configured */
+ if(measTypeInvalid)
{
- DU_LOG("\nERROR --> SCH : Invalid statistics type [%d]", statsReq->statsList[idx].type);
- rsp = RSP_NOK;
- cause = PARAM_INVALID;
+ SCH_FREE(grpInfoDb->kpiStats.dlTotalPrbUsage, sizeof(TotalPrbUsage));
+ SCH_FREE(grpInfoDb->kpiStats.ulTotalPrbUsage, sizeof(TotalPrbUsage));
+ memset(grpInfoDb, 0, sizeof(SchStatsGrp));
+ break;
}
- } /* End of switch */
-
- if(rsp == RSP_NOK)
+ }
+ }
+ /* [Step 4] If a group passes all validation, it is added to SCH database.
+ * A timer is started for this group. And the group is added to
+ * stats-group-accepted-list in sch-stats-response message. */
+ if(!measTypeInvalid)
{
- /* If failed to configure any KPI, then clear configuration of other
- * KPIs that were configured successfully as part of this statsReq */
- if(isDlTotlPrbUseCfgd)
+ /* Add this group's configured KPIs to list of Active KPIs */
+ if(schAddToKpiActiveList(inst, grpInfoDb) == ROK)
{
- if((schChkTmr((PTR)(schCb[inst].statistics.dlTotalPrbUsage), EVENT_DL_TOTAL_PRB_USAGE_TMR)) == FALSE)
+ grpInfoDb->schInst = inst;
+ grpInfoDb->subscriptionId = statsReq->subscriptionId;
+ grpInfoDb->groupId = grpInfo->groupId;
+ grpInfoDb->periodicity = grpInfo->periodicity;
+
+
+ /* Start timer */
+ cmInitTimers(&(grpInfoDb->periodTimer), 1);
+ schStartTmr(&schCb[inst], (PTR)(grpInfoDb), EVENT_STATISTICS_TMR, grpInfoDb->periodicity);
+
+
+ /* Adding the information in link list*/
+ SCH_ALLOC(statsGrpNode, sizeof(CmLList));
+ if(statsGrpNode)
{
- schStopTmr(&schCb[inst], (PTR)(schCb[inst].statistics.dlTotalPrbUsage), EVENT_DL_TOTAL_PRB_USAGE_TMR);
+ statsGrpNode->node = (PTR) grpInfoDb;
+ cmLListAdd2Tail(&schCb[inst].statistics.statsGrpList, statsGrpNode);
+ schStatsRsp.statsGrpAcceptedList[schStatsRsp.numGrpAccepted] = grpInfo->groupId;
+ schStatsRsp.numGrpAccepted++;
+ grpIdx++;
}
- SCH_FREE(schCb[inst].statistics.dlTotalPrbUsage, sizeof(TotalPrbUsage));
- }
-
- if(isUlTotlPrbUseCfgd)
- {
- if((schChkTmr((PTR)(schCb[inst].statistics.ulTotalPrbUsage), EVENT_UL_TOTAL_PRB_USAGE_TMR)) == FALSE)
+ else
{
- schStopTmr(&schCb[inst], (PTR)(schCb[inst].statistics.ulTotalPrbUsage), EVENT_UL_TOTAL_PRB_USAGE_TMR);
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at %d",__func__,__LINE__);
+ SCH_FREE(grpInfoDb->kpiStats.dlTotalPrbUsage, sizeof(TotalPrbUsage));
+ SCH_FREE(grpInfoDb->kpiStats.ulTotalPrbUsage, sizeof(TotalPrbUsage));
+ SCH_FREE(grpInfoDb, sizeof(SchStatsGrp));
+ schStatsRsp.statsGrpRejectedList[schStatsRsp.numGrpRejected].groupId = grpInfo->groupId;
+ schStatsRsp.statsGrpRejectedList[schStatsRsp.numGrpRejected].cause = cause;
+ schStatsRsp.numGrpRejected++;
}
- SCH_FREE(schCb[inst].statistics.ulTotalPrbUsage, sizeof(TotalPrbUsage));
}
- break;
}
- } /* End of FOR */
+ else
+ {
+ /* [Step 3 b] The rejected group is added to stats-group-rejected-list in
+ * sch-stats-response message */
+ schStatsRsp.statsGrpRejectedList[schStatsRsp.numGrpRejected].groupId = grpInfo->groupId;
+ schStatsRsp.statsGrpRejectedList[schStatsRsp.numGrpRejected].cause = cause;
+ schStatsRsp.numGrpRejected++;
+ }
+ }
+ schStatsRsp.subscriptionId = statsReq->subscriptionId;
SCH_FREE(statsReq, sizeof(SchStatsReq));
- SchSendStatsRspToMac(inst, rsp, cause);
+ /* [Step 5] sch-stats-response is sent to du app with stats-group-rejected-list
+ * and stats-group-accepted-list. */
+ SchSendStatsRspToMac(&schStatsRsp);
return ROK;
} /* End of SchProcStatsReq */
* RFAILED - failure
*
* ****************************************************************/
-uint8_t SchSendStatsIndToMac(Inst inst, SchMeasurementType measType, double value)
+uint8_t SchSendStatsIndToMac(Inst inst, SchStatsInd *statsInd)
{
Pst pst;
uint8_t ret = ROK;
- SchStatsInd statsInd;
#ifdef DEBUG_PRINT
DU_LOG("\nDEBUG --> SCH : Filling statistics indication");
#endif
- memset(&statsInd, 0, sizeof(SchStatsInd));
- statsInd.type = measType;
- statsInd.value = value;
-
/* Filling post structure */
memset(&pst, 0, sizeof(Pst));
FILL_PST_SCH_TO_MAC(pst, inst);
pst.event = EVENT_STATISTICS_IND_TO_MAC;
- ret = MacMessageRouter(&pst, (void *)&statsInd);
+ ret = MacMessageRouter(&pst, (void *)statsInd);
if(ret == RFAILED)
{
DU_LOG("\nERROR --> SCH : SchSendStatsIndToMac(): Failed to send Statistics Indication");
return ret;
}
+/**
+ * @brief Handler to process Timer expiry of DL Total PRB Usage calculation
+ *
+ * @param[in] cb Control block depending on the type of the timer event.
+ * @param[in] tmrEvnt Timer event to be started
+ *
+ * @return Bool indicating whether the timer is running or not
+ * -# ROK
+ * -# RFAILED
+*/
+double calcDlTotalPrbUsage(TotalPrbUsage *dlTotalPrbUsage)
+{
+ double percentageOfTotalPrbUsed = 0;
+
+ if(dlTotalPrbUsage->totalPrbAvailForTx)
+ percentageOfTotalPrbUsed = ((100.0 * dlTotalPrbUsage->numPrbUsedForTx) / dlTotalPrbUsage->totalPrbAvailForTx);
+
+ memset(dlTotalPrbUsage, 0, sizeof(TotalPrbUsage));
+
+ return percentageOfTotalPrbUsed;
+}
+
+/**
+ * @brief Handler to check if the timer is running
+ *
+ * @param[in] cb Control block depending on the type of the timer event.
+ * @param[in] tmrEvnt Timer event to be started
+ *
+ * @return Bool indicating whether the timer is running or not
+ * -# ROK
+ * -# RFAILED
+*/
+uint8_t calcUlTotalPrbUsage(TotalPrbUsage *ulTotalPrbUsage)
+{
+ double percentageOfTotalPrbUsed = 0;
+
+ if(ulTotalPrbUsage->totalPrbAvailForTx)
+ percentageOfTotalPrbUsed = ((100.0 * ulTotalPrbUsage->numPrbUsedForTx) / ulTotalPrbUsage->totalPrbAvailForTx);
+
+ memset(ulTotalPrbUsage, 0, sizeof(TotalPrbUsage));
+
+ return percentageOfTotalPrbUsed;
+}
+
+/**
+ * @brief Calculates statistics in a group and sends
+ * statistics indication for this group
+ *
+ * @param[in] Statistics group info
+ *
+ * @return
+ * -# ROK
+ * -# RFAILED
+*/
+uint8_t schCalcAndSendGrpStats(SchStatsGrp *grpInfo)
+{
+ uint8_t measStatsIdx = 0;
+ SchStatsInd statsInd;
+
+ memset(&statsInd, 0, sizeof(SchStatsInd));
+ statsInd.subscriptionId = grpInfo->subscriptionId;
+ statsInd.groupId = grpInfo->groupId;
+
+ if(grpInfo->kpiStats.dlTotalPrbUsage)
+ {
+ statsInd.measuredStatsList[measStatsIdx].type = SCH_DL_TOTAL_PRB_USAGE;
+ statsInd.measuredStatsList[measStatsIdx].value = calcDlTotalPrbUsage(grpInfo->kpiStats.dlTotalPrbUsage);
+ measStatsIdx++;
+ }
+
+ if(grpInfo->kpiStats.ulTotalPrbUsage)
+ {
+ statsInd.measuredStatsList[measStatsIdx].type = SCH_UL_TOTAL_PRB_USAGE;
+ statsInd.measuredStatsList[measStatsIdx].value = calcUlTotalPrbUsage(grpInfo->kpiStats.ulTotalPrbUsage);
+ measStatsIdx++;
+ }
+
+ statsInd.numStats = measStatsIdx;
+
+ return SchSendStatsIndToMac(grpInfo->schInst, &statsInd);
+}
+
+/*******************************************************************
+ *
+ * @brief Delete statistics group
+ *
+ * @details
+ *
+ * Function : deleteStatsGrp
+ *
+ * Functionality:
+ * Delete statistics group
+ *
+ * @params[in]
+ * Inst
+ * Stats Grp Node
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void deleteStatsGrp(Inst inst, CmLList *grpNode)
+{
+ SchStatsGrp *statsGrpInfo=NULLP;
+
+ if(grpNode)
+ {
+ statsGrpInfo = (SchStatsGrp*)grpNode->node;
+ SCH_FREE(statsGrpInfo->kpiStats.dlTotalPrbUsage, sizeof(TotalPrbUsage));
+ SCH_FREE(statsGrpInfo->kpiStats.ulTotalPrbUsage, sizeof(TotalPrbUsage));
+ if(schChkTmr((PTR)statsGrpInfo, EVENT_STATISTICS_TMR) == true)
+ {
+ schStopTmr(&schCb[inst], (PTR)statsGrpInfo, EVENT_STATISTICS_TMR);
+ }
+ memset(statsGrpInfo, 0, sizeof(SchStatsGrp));
+ SCH_FREE(grpNode->node, sizeof(SchStatsGrp));
+ SCH_FREE(grpNode, sizeof(CmLList));
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Deletion of node from statistics group list
+ *
+ * @details
+ *
+ * Function : deleteFromStatsGrpList
+ *
+ * Functionality: Deletion of node from statistics group list
+ * [Step 1]: Traverse each and every node of stats group list
+ * stored in the database
+ * [Step 2]: Check if the node's subscription id is same
+ * as the subscription id received. If same then go to step 3
+ * else move to the next node of the list.
+ * [Step 3]: If deleteAllGrp == true, then delete the node and
+ * move to the next node of the list.
+ * [Step 4]: If deleteAllGrp != true, then check if the node's group
+ * id is same as group id received then delete the node and mark the
+ * status found true else move to the next node of the list.
+ * [Step 5]: Once the traversing complete,
+ * if deleteAllGrp is true, then return successful rsp;
+ * else if status found is true, then return successful rsp;
+ * else return failure.
+ * @params[in]
+ * Inst
+ * Stats Grp List
+ * Subscription Id
+ * Group Id
+ * boolen of deleteAllGrp
+ * @return void
+ *
+ * ****************************************************************/
+uint8_t deleteFromStatsGrpList(Inst inst, CmLListCp *statsGrpList, uint64_t subscriptionId, uint8_t groupId, bool deleteAllGrp)
+{
+ bool statsFound=false;
+ SchStatsGrp *statsGrpInfo=NULLP;
+ CmLList *grpNode=NULLP;
+
+ /* [Step 1] */
+ CM_LLIST_FIRST_NODE(statsGrpList, grpNode);
+ while(grpNode)
+ {
+ statsGrpInfo = (SchStatsGrp*)grpNode->node;
+
+ /* [Step 2] */
+ if(statsGrpInfo->subscriptionId== subscriptionId)
+ {
+ if(deleteAllGrp == true)
+ {
+ /* [Step 3] */
+ cmLListDelFrm(statsGrpList, grpNode);
+ deleteStatsGrp(inst, grpNode);
+ }
+ else
+ {
+ /* [Step 4] */
+ if(statsGrpInfo->groupId== groupId)
+ {
+ cmLListDelFrm(statsGrpList, grpNode);
+ deleteStatsGrp(inst, grpNode);
+ statsFound = true;
+ }
+ }
+ }
+ CM_LLIST_FIRST_NODE(statsGrpList, grpNode);
+ }
+
+ /* [Step 5] */
+ if(deleteAllGrp == true)
+ {
+ return ROK;
+ }
+ else
+ {
+ if(statsFound == true)
+ return ROK;
+ }
+ return RFAILED;
+}
+
+/*******************************************************************
+ *
+ * @brief Delete statistics information
+ *
+ * @details
+ *
+ * Function : deleteStatsInfo
+ *
+ * Functionality:
+ * Delete statistics information base on numStatsGroup
+ * Info- If numStatsGroup = 0' indicates the Deletion procedure triggered by
+ * 'SUBS_DELETION_REQ' wherein all the groups of this particular
+ * Subscription has to be removed
+ * else when numStatsGroup != 0 then this is
+ * for SUBS_MOD_REQ's actionToBeDeleted wherein particular action(s) has
+ * to be removed thus need to pass groupId belonging to that subscription
+ * which has to be deleted.'
+ *
+ * [Step-1] If numStatsGroup = 0, Deletion of all stats group belonging to
+ * received subscription Id.
+ * [Step-2] Else if numStatsGroup > 0, Deletion of individual stats group
+ * from list whose information are present in stats delete request.
+ * [Step-3] Fill the result of the stats deletion in the SCH stats delete
+ * response
+ * @params[in]
+ * Instance
+ * Subscription delete req
+ * Subscription delete rsp
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t deleteStatsInfo(Inst inst, SchStatsDeleteReq *statsDeleteReq, SchStatsDeleteRsp *schStatsDeleteRsp)
+{
+ uint8_t statsGrpIdx=0;
+ CmLListCp *statsGrpList =NULLP;
+
+ statsGrpList = &schCb[inst].statistics.statsGrpList;
+
+ if(!statsDeleteReq->numStatsGroupToBeDeleted)
+ {
+ /* [Step-1] */
+ if(deleteFromStatsGrpList(inst,statsGrpList, statsDeleteReq->subscriptionId, 0, true) == ROK)
+ {
+ /* [Step 3]*/
+ schStatsDeleteRsp->subsDelRsp = RSP_OK;
+ schStatsDeleteRsp->subsDelCause = SUCCESSFUL;
+ }
+ else
+ {
+ /* [Step-3]*/
+ schStatsDeleteRsp->subsDelRsp = RSP_NOK;
+ schStatsDeleteRsp->subsDelCause = STATS_ID_NOT_FOUND;
+ }
+ }
+ else
+ {
+ for(statsGrpIdx=0; statsGrpIdx<statsDeleteReq->numStatsGroupToBeDeleted; statsGrpIdx++)
+ {
+ /* [Step-2] */
+ if(deleteFromStatsGrpList(inst, statsGrpList, statsDeleteReq->subscriptionId,\
+ statsDeleteReq->statsGrpIdToBeDelList[statsGrpIdx], false) != ROK)
+ {
+ /* [Step-3]*/
+ schStatsDeleteRsp->statsGrpDelInfo[statsGrpIdx].statsGrpDelRsp = RSP_OK;
+ schStatsDeleteRsp->statsGrpDelInfo[statsGrpIdx].statsGrpDelCause = SUCCESSFUL;
+ }
+ else
+ {
+ /* [Step-3]*/
+ schStatsDeleteRsp->statsGrpDelInfo[statsGrpIdx].statsGrpDelRsp = RSP_NOK;
+ schStatsDeleteRsp->statsGrpDelInfo[statsGrpIdx].statsGrpDelCause = STATS_ID_NOT_FOUND;
+ }
+ }
+ schStatsDeleteRsp->numStatsGroupDeleted = statsDeleteReq->numStatsGroupToBeDeleted;
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Processes Statistics Delete Request from MAC
+ *
+ * @details
+ *
+ * Function : SchProcStatsDeleteReq
+ *
+ * Functionality:
+ * This function process the statistics delete request from MAC:
+ *
+ * @params[in] Post structure
+ * Statistics Delete Request from MAC
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t SchProcStatsDeleteReq(Pst *pst, SchStatsDeleteReq *statsDeleteReq)
+{
+ Pst rspPst;
+ uint8_t ret =ROK;
+ SchStatsDeleteRsp *schStatsDeleteRsp;
+ Inst inst = pst->dstInst - SCH_INST_START;
+
+ DU_LOG("\nINFO --> SCH : Received Statistics Delete Request from MAC");
+
+ if(statsDeleteReq == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcStatsDeleteReq(): Received Null pointer");
+ return RFAILED;
+ }
+
+ /* Process Stats delete request and fill stats delete response simultaneously */
+ SCH_ALLOC(schStatsDeleteRsp, sizeof(SchStatsDeleteRsp));
+ if(schStatsDeleteRsp == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : Failed to allocate memory in SchProcStatsDeleteReq()");
+ return RFAILED;
+ }
+ schStatsDeleteRsp->subscriptionId=statsDeleteReq->subscriptionId;
+ deleteStatsInfo(inst, statsDeleteReq, schStatsDeleteRsp);
+
+ memset(&rspPst, 0, sizeof(Pst));
+ FILL_PST_SCH_TO_MAC(rspPst, inst);
+ rspPst.event = EVENT_STATISTICS_DELETE_RSP_TO_MAC;
+
+ ret = MacMessageRouter(&rspPst, (void *)schStatsDeleteRsp);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcStatsDeleteReq(): Failed to send Statistics Response");
+ }
+ SCH_FREE(statsDeleteReq, sizeof(SchStatsDeleteReq));
+
+ return ret;
+} /* End of SchProcStatsDeleteReq */
/**********************************************************************
End of file