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Add charging data when traffic steering #41

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Feb 23, 2025
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62 changes: 60 additions & 2 deletions internal/sbi/processor/notifier.go
Original file line number Diff line number Diff line change
Expand Up @@ -6,10 +6,12 @@ import (
"strings"

"github.com/gin-gonic/gin"
"go.mongodb.org/mongo-driver/bson"

"github.com/free5gc/openapi/models"
"github.com/free5gc/pcf/internal/logger"
"github.com/free5gc/pcf/internal/util"
"github.com/free5gc/util/mongoapi"
)

func (p *Processor) HandleAmfStatusChangeNotify(
Expand Down Expand Up @@ -74,16 +76,72 @@ func (p *Processor) HandleInfluenceDataUpdateNotify(
}
delete(influenceDataToPccRule, influenceID)
} else {
var chgData *models.ChargingData
var chargingInterface map[string]interface{}

trafficInfluData := *notification.TrafficInfluData

filterCharging := bson.M{
"ueId": ue.Supi,
"snssai": util.SnssaiModelsToHex(*trafficInfluData.Snssai),
"dnn": "",
"filter": "",
}
chargingInterface, err := mongoapi.RestfulAPIGetOne(chargingDataColl, filterCharging, 2)
if err != nil {
logger.SmPolicyLog.Errorf("Fail to get charging data to mongoDB err: %+v", err)
chgData = nil
} else if chargingInterface != nil {
rg, err1 := p.Context().RatingGroupIdGenerator.Allocate()
if err1 != nil {
logger.SmPolicyLog.Error("rating group allocate error")
problemDetails := util.GetProblemDetail("rating group allocate error", util.ERROR_IDGENERATOR)
c.JSON(int(problemDetails.Status), problemDetails)
return
}
chgData = &models.ChargingData{
ChgId: util.GetChgId(smPolicy.ChargingIdGenerator),
RatingGroup: int32(rg),
ReportingLevel: models.ReportingLevel_RAT_GR_LEVEL,
MeteringMethod: models.MeteringMethod_VOLUME,
}

switch chargingInterface["chargingMethod"].(string) {
case "Online":
chgData.Online = true
chgData.Offline = false
case "Offline":
chgData.Online = false
chgData.Offline = true
}

if decision.ChgDecs == nil {
decision.ChgDecs = make(map[string]*models.ChargingData)
}

chargingInterface["ratingGroup"] = chgData.RatingGroup
logger.SmPolicyLog.Tracef("put ratingGroup[%+v] for [%+v] to MongoDB", chgData.RatingGroup, ue.Supi)
if _, err = mongoapi.RestfulAPIPutOne(
chargingDataColl, chargingInterface, chargingInterface, 2); err != nil {
logger.SmPolicyLog.Errorf("Fail to put charging data to mongoDB err: %+v", err)
} else {
smPolicy.ChargingIdGenerator++
}
if ue.RatingGroupData == nil {
ue.RatingGroupData = make(map[string][]int32)
}
ue.RatingGroupData[smPolicyID] = append(ue.RatingGroupData[smPolicyID], chgData.RatingGroup)
}

if pccRuleID, ok := influenceDataToPccRule[influenceID]; ok {
// notifying Individual Influence Data update
pccRule := decision.PccRules[pccRuleID]
util.SetSmPolicyDecisionByTrafficInfluData(decision, pccRule, trafficInfluData)
util.SetSmPolicyDecisionByTrafficInfluData(decision, pccRule, trafficInfluData, chgData)
} else {
// notifying Individual Influence Data creation

pccRule := util.CreatePccRule(smPolicy.PccRuleIdGenerator, precedence, nil, trafficInfluData.AfAppId)
util.SetSmPolicyDecisionByTrafficInfluData(decision, pccRule, trafficInfluData)
util.SetSmPolicyDecisionByTrafficInfluData(decision, pccRule, trafficInfluData, chgData)
influenceDataToPccRule[influenceID] = pccRule.PccRuleId
smPolicy.PccRuleIdGenerator++
if precedence < Precedence_Maximum {
Expand Down
57 changes: 56 additions & 1 deletion internal/sbi/processor/smpolicy.go
Original file line number Diff line number Diff line change
Expand Up @@ -395,8 +395,63 @@ func (p *Processor) HandleCreateSmPolicyRequest(
// UE identity in UDR appData and apply appData to sm poliocy
var precedence int32 = 23
for _, tiData := range trafficInfluDatas {
var chgData *models.ChargingData
var chargingInterface map[string]interface{}

filterCharging := bson.M{
"ueId": ue.Supi,
"snssai": util.SnssaiModelsToHex(*request.SliceInfo),
"dnn": "",
"filter": "",
}
chargingInterface, err = mongoapi.RestfulAPIGetOne(chargingDataColl, filterCharging, queryStrength)
if err != nil {
logger.SmPolicyLog.Errorf("Fail to get charging data to mongoDB err: %+v", err)
chgData = nil
} else if chargingInterface != nil {
rg, err1 := p.Context().RatingGroupIdGenerator.Allocate()
if err1 != nil {
logger.SmPolicyLog.Error("rating group allocate error")
problemDetails := util.GetProblemDetail("rating group allocate error", util.ERROR_IDGENERATOR)
c.JSON(int(problemDetails.Status), problemDetails)
return
}
chgData = &models.ChargingData{
ChgId: util.GetChgId(smPolicyData.ChargingIdGenerator),
RatingGroup: int32(rg),
ReportingLevel: models.ReportingLevel_RAT_GR_LEVEL,
MeteringMethod: models.MeteringMethod_VOLUME,
}

switch chargingInterface["chargingMethod"].(string) {
case "Online":
chgData.Online = true
chgData.Offline = false
case "Offline":
chgData.Online = false
chgData.Offline = true
}

if decision.ChgDecs == nil {
decision.ChgDecs = make(map[string]*models.ChargingData)
}

chargingInterface["ratingGroup"] = chgData.RatingGroup
logger.SmPolicyLog.Tracef("put ratingGroup[%+v] for [%+v] to MongoDB", chgData.RatingGroup, ue.Supi)
if _, err = mongoapi.RestfulAPIPutOne(
chargingDataColl, chargingInterface, chargingInterface, queryStrength); err != nil {
logger.SmPolicyLog.Errorf("Fail to put charging data to mongoDB err: %+v", err)
} else {
smPolicyData.ChargingIdGenerator++
}
if ue.RatingGroupData == nil {
ue.RatingGroupData = make(map[string][]int32)
}
ue.RatingGroupData[smPolicyID] = append(ue.RatingGroupData[smPolicyID], chgData.RatingGroup)
}

pccRule := util.CreatePccRule(smPolicyData.PccRuleIdGenerator, precedence, nil, tiData.AfAppId)
util.SetSmPolicyDecisionByTrafficInfluData(&decision, pccRule, tiData)
util.SetSmPolicyDecisionByTrafficInfluData(&decision, pccRule, tiData, chgData)
influenceID := getInfluenceID(tiData.ResUri)
if influenceID != "" {
smPolicyData.InfluenceDataToPccRule[influenceID] = pccRule.PccRuleId
Expand Down
4 changes: 2 additions & 2 deletions internal/util/pcc_rule.go
Original file line number Diff line number Diff line change
Expand Up @@ -229,13 +229,13 @@ func SetSmPolicyDecisionByDefault(decision *models.SmPolicyDecision, id int32) {

// Set SMpilicy decision with the PCC rule generated from the trafficInfluData
func SetSmPolicyDecisionByTrafficInfluData(decision *models.SmPolicyDecision,
pccRule *models.PccRule, trafficInfluData models.TrafficInfluData,
pccRule *models.PccRule, trafficInfluData models.TrafficInfluData, chgData *models.ChargingData,
) {
tcData := convertToTrafficControlData(&trafficInfluData)
tcData.TcId = strings.ReplaceAll(pccRule.PccRuleId, "PccRuleId", "TcId")
flowInfos := convertToFlowinfos(&trafficInfluData)
pccRule.FlowInfos = flowInfos
SetPccRuleRelatedData(decision, pccRule, tcData, nil, nil, nil)
SetPccRuleRelatedData(decision, pccRule, tcData, nil, chgData, nil)
}

func convertToFlowinfos(trafficInfluData *models.TrafficInfluData) []models.FlowInformation {
Expand Down
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