X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=pkg%2Fcontrol%2Fregistry.go;h=33d480a9c6b708597745ebfb72431f68bc559941;hb=f6b780489e1d769ed56def6b8ff874ffca3198b7;hp=9cacd9433333d8da7f528ad379097053533819b1;hpb=9f16319f4c5b289c489e667f6a33eb5de6060305;p=ric-plt%2Fsubmgr.git diff --git a/pkg/control/registry.go b/pkg/control/registry.go index 9cacd94..33d480a 100644 --- a/pkg/control/registry.go +++ b/pkg/control/registry.go @@ -22,6 +22,7 @@ package control import ( "fmt" "gerrit.o-ran-sc.org/r/ric-plt/e2ap/pkg/e2ap" + "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/models" "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp" "sync" "time" @@ -41,39 +42,59 @@ type Registry struct { func (r *Registry) Initialize() { r.register = make(map[uint32]*Subscription) var i uint32 - for i = 0; i < 65535; i++ { - r.subIds = append(r.subIds, i+1) + for i = 1; i < 65535; i++ { + r.subIds = append(r.subIds, i) } } -func (r *Registry) allocateSubs(trans *TransactionXapp, subReqMsg *e2ap.E2APSubscriptionRequest) (*Subscription, error) { +func (r *Registry) QueryHandler() (models.SubscriptionList, error) { + r.mutex.Lock() + defer r.mutex.Unlock() + + resp := models.SubscriptionList{} + for _, subs := range r.register { + subs.mutex.Lock() + resp = append(resp, &models.SubscriptionData{SubscriptionID: int64(subs.ReqId.InstanceId), Meid: subs.Meid.RanName, Endpoint: subs.EpList.StringList()}) + subs.mutex.Unlock() + } + return resp, nil +} + +func (r *Registry) allocateSubs(trans *TransactionXapp, subReqMsg *e2ap.E2APSubscriptionRequest, resetTestFlag bool) (*Subscription, error) { if len(r.subIds) > 0 { - sequenceNumber := r.subIds[0] + subId := r.subIds[0] r.subIds = r.subIds[1:] - if _, ok := r.register[sequenceNumber]; ok == true { - r.subIds = append(r.subIds, sequenceNumber) + if _, ok := r.register[subId]; ok == true { + r.subIds = append(r.subIds, subId) return nil, fmt.Errorf("Registry: Failed to reserve subscription exists") } subs := &Subscription{ - registry: r, - Meid: trans.Meid, - SubReqMsg: subReqMsg, - valid: true, + registry: r, + Meid: trans.Meid, + SubReqMsg: subReqMsg, + valid: true, + RetryFromXapp: false, + SubRespRcvd: false, + DeleteFromDb: false, + NoRespToXapp: false, + DoNotWaitSubResp: false, } subs.ReqId.Id = 123 - subs.ReqId.Seq = sequenceNumber + subs.ReqId.InstanceId = subId + if resetTestFlag == true { + subs.DoNotWaitSubResp = true + } if subs.EpList.AddEndpoint(trans.GetEndpoint()) == false { - r.subIds = append(r.subIds, subs.ReqId.Seq) + r.subIds = append(r.subIds, subs.ReqId.InstanceId) return nil, fmt.Errorf("Registry: Endpoint existing already in subscription") } - return subs, nil } return nil, fmt.Errorf("Registry: Failed to reserve subscription no free ids") } -func (r *Registry) findExistingSubs(trans *TransactionXapp, subReqMsg *e2ap.E2APSubscriptionRequest) *Subscription { +func (r *Registry) findExistingSubs(trans *TransactionXapp, subReqMsg *e2ap.E2APSubscriptionRequest) (*Subscription, bool) { for _, subs := range r.register { if subs.IsMergeable(trans, subReqMsg) { @@ -92,21 +113,22 @@ func (r *Registry) findExistingSubs(trans *TransactionXapp, subReqMsg *e2ap.E2AP subs.mutex.Unlock() continue } - // try to add to endpointlist. + // Try to add to endpointlist. Adding fails if endpoint is already in the list if subs.EpList.AddEndpoint(trans.GetEndpoint()) == false { subs.mutex.Unlock() - continue + xapp.Logger.Debug("Registry: Subs with requesting endpoint found. %s for %s", subs.String(), trans.String()) + return subs, true } subs.mutex.Unlock() - xapp.Logger.Debug("Registry: Mergeable subs found %s for %s", subs.String(), trans.String()) - return subs + xapp.Logger.Debug("Registry: Mergeable subs found. %s for %s", subs.String(), trans.String()) + return subs, false } } - return nil + return nil, false } -func (r *Registry) AssignToSubscription(trans *TransactionXapp, subReqMsg *e2ap.E2APSubscriptionRequest) (*Subscription, error) { +func (r *Registry) AssignToSubscription(trans *TransactionXapp, subReqMsg *e2ap.E2APSubscriptionRequest, resetTestFlag bool, c *Control) (*Subscription, error) { var err error var newAlloc bool r.mutex.Lock() @@ -125,20 +147,26 @@ func (r *Registry) AssignToSubscription(trans *TransactionXapp, subReqMsg *e2ap. // Find possible existing Policy subscription // if actionType == e2ap.E2AP_ActionTypePolicy { - if subs, ok := r.register[subReqMsg.RequestId.Seq]; ok { - xapp.Logger.Debug("CREATE %s. Existing subscription for Policy found", subs.String()) + if subs, ok := r.register[trans.GetSubId()]; ok { + xapp.Logger.Debug("CREATE %s. Existing subscription for Policy found.", subs.String()) + // Update message data to subscription + subs.SubReqMsg = subReqMsg subs.SetCachedResponse(nil, true) return subs, nil } } - subs := r.findExistingSubs(trans, subReqMsg) + subs, endPointFound := r.findExistingSubs(trans, subReqMsg) if subs == nil { - subs, err = r.allocateSubs(trans, subReqMsg) - if err != nil { + if subs, err = r.allocateSubs(trans, subReqMsg, resetTestFlag); err != nil { return nil, err } newAlloc = true + } else if endPointFound == true { + // Requesting endpoint is already present in existing subscription. This can happen if xApp is restarted. + subs.RetryFromXapp = true + xapp.Logger.Debug("CREATE: subscription already exists. %s", subs.String()) + return subs, nil } // @@ -148,38 +176,60 @@ func (r *Registry) AssignToSubscription(trans *TransactionXapp, subReqMsg *e2ap. defer subs.mutex.Unlock() epamount := subs.EpList.Size() + xapp.Logger.Info("AssignToSubscription subs.EpList.Size() = %v", subs.EpList.Size()) r.mutex.Unlock() // // Subscription route updates // if epamount == 1 { - subRouteAction := SubRouteInfo{subs.EpList, uint16(subs.ReqId.Seq)} - err = r.rtmgrClient.SubscriptionRequestCreate(subRouteAction) + err = r.RouteCreate(subs, c) } else { - subRouteAction := SubRouteInfo{subs.EpList, uint16(subs.ReqId.Seq)} - err = r.rtmgrClient.SubscriptionRequestUpdate(subRouteAction) + err = r.RouteCreateUpdate(subs, c) } r.mutex.Lock() if err != nil { if newAlloc { - r.subIds = append(r.subIds, subs.ReqId.Seq) + r.subIds = append(r.subIds, subs.ReqId.InstanceId) } + // Delete already added endpoint for the request + subs.EpList.DelEndpoint(trans.GetEndpoint()) return nil, err } if newAlloc { - r.register[subs.ReqId.Seq] = subs + r.register[subs.ReqId.InstanceId] = subs } xapp.Logger.Debug("CREATE %s", subs.String()) xapp.Logger.Debug("Registry: substable=%v", r.register) return subs, nil } +func (r *Registry) RouteCreate(subs *Subscription, c *Control) error { + subRouteAction := SubRouteInfo{subs.EpList, uint16(subs.ReqId.InstanceId)} + err := r.rtmgrClient.SubscriptionRequestCreate(subRouteAction) + if err != nil { + c.UpdateCounter(cRouteCreateFail) + } + return err +} + +func (r *Registry) RouteCreateUpdate(subs *Subscription, c *Control) error { + subRouteAction := SubRouteInfo{subs.EpList, uint16(subs.ReqId.InstanceId)} + err := r.rtmgrClient.SubscriptionRequestUpdate(subRouteAction) + if err != nil { + c.UpdateCounter(cRouteCreateUpdateFail) + return err + } + c.UpdateCounter(cMergedSubscriptions) + return err +} + func (r *Registry) CheckActionTypes(subReqMsg *e2ap.E2APSubscriptionRequest) (uint64, error) { var reportFound bool = false var policyFound bool = false + var insertFound bool = false for _, acts := range subReqMsg.ActionSetups { if acts.ActionType == e2ap.E2AP_ActionTypeReport { @@ -188,9 +238,12 @@ func (r *Registry) CheckActionTypes(subReqMsg *e2ap.E2APSubscriptionRequest) (ui if acts.ActionType == e2ap.E2AP_ActionTypePolicy { policyFound = true } + if acts.ActionType == e2ap.E2AP_ActionTypeInsert { + insertFound = true + } } - if reportFound == true && policyFound == true { - return e2ap.E2AP_ActionTypeInvalid, fmt.Errorf("Report and Policy in same RICactions-ToBeSetup-List") + if reportFound == true && policyFound == true || reportFound == true && insertFound == true || policyFound == true && insertFound == true { + return e2ap.E2AP_ActionTypeInvalid, fmt.Errorf("Different action types (Report, Policy or Insert) in same RICactions-ToBeSetup-List") } if reportFound == true { return e2ap.E2AP_ActionTypeReport, nil @@ -198,11 +251,14 @@ func (r *Registry) CheckActionTypes(subReqMsg *e2ap.E2APSubscriptionRequest) (ui if policyFound == true { return e2ap.E2AP_ActionTypePolicy, nil } + if insertFound == true { + return e2ap.E2AP_ActionTypeInsert, nil + } return e2ap.E2AP_ActionTypeInvalid, fmt.Errorf("Invalid action type in RICactions-ToBeSetup-List") } // TODO: Works with concurrent calls, but check if can be improved -func (r *Registry) RemoveFromSubscription(subs *Subscription, trans *TransactionXapp, waitRouteClean time.Duration) error { +func (r *Registry) RemoveFromSubscription(subs *Subscription, trans *TransactionXapp, waitRouteClean time.Duration, c *Control) error { r.mutex.Lock() defer r.mutex.Unlock() @@ -211,7 +267,7 @@ func (r *Registry) RemoveFromSubscription(subs *Subscription, trans *Transaction delStatus := subs.EpList.DelEndpoint(trans.GetEndpoint()) epamount := subs.EpList.Size() - seqId := subs.ReqId.Seq + subId := subs.ReqId.InstanceId if delStatus == false { return nil @@ -230,10 +286,7 @@ func (r *Registry) RemoveFromSubscription(subs *Subscription, trans *Transaction // // Subscription route delete // - tmpList := RmrEndpointList{} - tmpList.AddEndpoint(trans.GetEndpoint()) - subRouteAction := SubRouteInfo{tmpList, uint16(seqId)} - r.rtmgrClient.SubscriptionRequestDelete(subRouteAction) + r.RouteDelete(subs, trans, c) // // Subscription release @@ -241,42 +294,75 @@ func (r *Registry) RemoveFromSubscription(subs *Subscription, trans *Transaction r.mutex.Lock() defer r.mutex.Unlock() - if _, ok := r.register[seqId]; ok { + if _, ok := r.register[subId]; ok { xapp.Logger.Debug("RELEASE %s", subs.String()) - delete(r.register, seqId) + delete(r.register, subId) xapp.Logger.Debug("Registry: substable=%v", r.register) } - r.subIds = append(r.subIds, seqId) - + r.subIds = append(r.subIds, subId) } else if subs.EpList.Size() > 0 { // - // Subscription route updates + // Subscription route update // - subRouteAction := SubRouteInfo{subs.EpList, uint16(seqId)} - r.rtmgrClient.SubscriptionRequestUpdate(subRouteAction) + r.RouteDeleteUpdate(subs, c) } - }() return nil } -func (r *Registry) GetSubscription(sn uint32) *Subscription { +func (r *Registry) RouteDelete(subs *Subscription, trans *TransactionXapp, c *Control) { + tmpList := xapp.RmrEndpointList{} + tmpList.AddEndpoint(trans.GetEndpoint()) + subRouteAction := SubRouteInfo{tmpList, uint16(subs.ReqId.InstanceId)} + if err := r.rtmgrClient.SubscriptionRequestDelete(subRouteAction); err != nil { + c.UpdateCounter(cRouteDeleteFail) + } +} + +func (r *Registry) RouteDeleteUpdate(subs *Subscription, c *Control) { + subRouteAction := SubRouteInfo{subs.EpList, uint16(subs.ReqId.InstanceId)} + if err := r.rtmgrClient.SubscriptionRequestUpdate(subRouteAction); err != nil { + c.UpdateCounter(cRouteDeleteUpdateFail) + } +} + +func (r *Registry) UpdateSubscriptionToDb(subs *Subscription, c *Control) { + r.mutex.Lock() + defer r.mutex.Unlock() + subs.mutex.Lock() + defer subs.mutex.Unlock() + + epamount := subs.EpList.Size() + if epamount == 0 { + if _, ok := r.register[subs.ReqId.InstanceId]; ok { + // Not merged subscription is being deleted + c.RemoveSubscriptionFromDb(subs) + + } + } else if subs.EpList.Size() > 0 { + // Endpoint of merged subscription is being deleted + c.WriteSubscriptionToDb(subs) + c.UpdateCounter(cUnmergedSubscriptions) + } +} + +func (r *Registry) GetSubscription(subId uint32) *Subscription { r.mutex.Lock() defer r.mutex.Unlock() - if _, ok := r.register[sn]; ok { - return r.register[sn] + if _, ok := r.register[subId]; ok { + return r.register[subId] } return nil } -func (r *Registry) GetSubscriptionFirstMatch(ids []uint32) (*Subscription, error) { +func (r *Registry) GetSubscriptionFirstMatch(subIds []uint32) (*Subscription, error) { r.mutex.Lock() defer r.mutex.Unlock() - for _, id := range ids { - if _, ok := r.register[id]; ok { - return r.register[id], nil + for _, subId := range subIds { + if _, ok := r.register[subId]; ok { + return r.register[subId], nil } } - return nil, fmt.Errorf("No valid subscription found with ids %v", ids) + return nil, fmt.Errorf("No valid subscription found with subIds %v", subIds) }