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/xapp"
- "strconv"
+
"sync"
- "time"
)
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type Subscription struct {
- mutex sync.Mutex // Lock
- registry *Registry // Registry
- Seq uint16 // SubsId
- Meid *xapp.RMRMeid // Meid/ RanName
- EpList RmrEndpointList // Endpoints
- DelEpList RmrEndpointList // Endpoints
- DelSeq uint64
- TransLock sync.Mutex // Lock transactions, only one executed per time for subs
- TheTrans *Transaction // Ongoing transaction from xapp
- SubReqMsg *e2ap.E2APSubscriptionRequest // Subscription information
- SubRespMsg *e2ap.E2APSubscriptionResponse // Subscription information
-}
-
-func (s *Subscription) stringImpl() string {
- return "subs(" + strconv.FormatUint(uint64(s.Seq), 10) + "/" + s.Meid.RanName + "/" + s.EpList.String() + ")"
+ mutex sync.Mutex // Lock
+ valid bool // valid
+ registry *Registry // Registry
+ ReqId RequestId // ReqId (Requestor Id + Seq Nro a.k.a subsid)
+ Meid *xapp.RMRMeid // Meid/RanName
+ EpList xapp.RmrEndpointList // Endpoints
+ RMRRouteCreated bool // Does subscription have RMR route
+ TransLock sync.Mutex // Lock transactions, only one executed per time for subs
+ TheTrans TransactionIf // Ongoing transaction
+ SubReqMsg *e2ap.E2APSubscriptionRequest // Subscription information
+ SubRFMsg interface{} // Subscription information
+ PolicyUpdate bool // This is true when policy subscrition is being updated. Used not to send delete for update after timeout or restart
+ RetryFromXapp bool // Retry form xApp for subscription that already exist
+ SubRespRcvd bool // Subscription response received
+ DeleteFromDb bool // Delete subscription from db
+ NoRespToXapp bool // Send no response for subscription delete to xApp after restart
+ DoNotWaitSubResp bool // Test flag. Response is not waited for Subscription Request
}
func (s *Subscription) String() string {
- s.mutex.Lock()
- defer s.mutex.Unlock()
- return s.stringImpl()
-}
-
-func (s *Subscription) GetSubId() uint16 {
- s.mutex.Lock()
- defer s.mutex.Unlock()
- return s.Seq
-}
-
-func (s *Subscription) GetMeid() *xapp.RMRMeid {
- s.mutex.Lock()
- defer s.mutex.Unlock()
+ meidstr := "N/A"
if s.Meid != nil {
- return s.Meid
+ meidstr = s.Meid.String()
}
- return nil
+ return "subs(" + s.ReqId.String() + "/" + meidstr + "/" + s.EpList.String() + ")"
}
-func (s *Subscription) AddEndpoint(ep *RmrEndpoint) error {
+func (s *Subscription) GetCachedResponse() (interface{}, bool) {
s.mutex.Lock()
defer s.mutex.Unlock()
- if ep == nil {
- return fmt.Errorf("AddEndpoint no endpoint given")
- }
- if s.EpList.AddEndpoint(ep) {
- s.DelEpList.DelEndpoint(ep)
- if s.EpList.Size() == 1 {
- return s.updateRouteImpl(CREATE)
- }
- return s.updateRouteImpl(MERGE)
- }
- return nil
+ return s.SubRFMsg, s.valid
}
-func (s *Subscription) DelEndpoint(ep *RmrEndpoint) error {
+func (s *Subscription) SetCachedResponse(subRFMsg interface{}, valid bool) (interface{}, bool) {
s.mutex.Lock()
defer s.mutex.Unlock()
- var err error
- if ep == nil {
- return fmt.Errorf("DelEndpoint no endpoint given")
- }
- if s.EpList.HasEndpoint(ep) == false {
- return fmt.Errorf("DelEndpoint endpoint not found")
- }
- if s.DelEpList.HasEndpoint(ep) == true {
- return fmt.Errorf("DelEndpoint endpoint already under del")
- }
- s.DelEpList.AddEndpoint(ep)
- go s.CleanCheck()
- return err
+ s.SubRFMsg = subRFMsg
+ s.valid = valid
+ return s.SubRFMsg, s.valid
}
-func (s *Subscription) CleanCheck() {
+func (s *Subscription) GetReqId() *RequestId {
s.mutex.Lock()
defer s.mutex.Unlock()
- s.DelSeq++
- // Only one clean ongoing
- if s.DelSeq > 1 {
- return
- }
- var currSeq uint64 = 0
- // Make sure that routes to be deleted
- // are not deleted too fast
- for currSeq < s.DelSeq {
- currSeq = s.DelSeq
- s.mutex.Unlock()
- time.Sleep(5 * time.Second)
- s.mutex.Lock()
- }
- xapp.Logger.Info("DelEndpoint: delete cleaning %s", s.stringImpl())
- if s.EpList.Size() <= s.DelEpList.Size() {
- s.updateRouteImpl(DELETE)
- go s.registry.DelSubscription(s.Seq)
- } else if s.EpList.DelEndpoints(&s.DelEpList) {
- s.updateRouteImpl(MERGE)
- }
- s.DelSeq = 0
-
+ return &s.ReqId
}
-func (s *Subscription) IsTransactionReserved() bool {
+func (s *Subscription) GetMeid() *xapp.RMRMeid {
s.mutex.Lock()
defer s.mutex.Unlock()
- if s.TheTrans != nil {
- return true
- }
- return false
-
+ return s.Meid
}
-func (s *Subscription) GetTransaction() *Transaction {
+func (s *Subscription) GetTransaction() TransactionIf {
s.mutex.Lock()
defer s.mutex.Unlock()
return s.TheTrans
}
-func (s *Subscription) WaitTransactionTurn(trans *Transaction) {
+func (s *Subscription) WaitTransactionTurn(trans TransactionIf) {
s.TransLock.Lock()
s.mutex.Lock()
s.TheTrans = trans
s.mutex.Unlock()
}
-func (s *Subscription) ReleaseTransactionTurn(trans *Transaction) {
+func (s *Subscription) ReleaseTransactionTurn(trans TransactionIf) {
s.mutex.Lock()
if trans != nil && trans == s.TheTrans {
s.TheTrans = nil
s.TransLock.Unlock()
}
-func (s *Subscription) updateRouteImpl(act Action) error {
- subRouteAction := SubRouteInfo{act, s.EpList, s.Seq}
- err := s.registry.rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
- if err != nil {
- return fmt.Errorf("%s %s", s.stringImpl(), err.Error())
+func (s *Subscription) IsMergeable(trans *TransactionXapp, subReqMsg *e2ap.E2APSubscriptionRequest) bool {
+ s.mutex.Lock()
+ defer s.mutex.Unlock()
+
+ if s.valid == false {
+ return false
+ }
+
+ if s.SubReqMsg == nil {
+ return false
+ }
+
+ if s.Meid.RanName != trans.Meid.RanName {
+ return false
+ }
+
+ // EventTrigger check
+ if s.SubReqMsg.EventTriggerDefinition.Data.Length != subReqMsg.EventTriggerDefinition.Data.Length {
+ return false
+ }
+ for i := uint64(0); i < s.SubReqMsg.EventTriggerDefinition.Data.Length; i++ {
+ if s.SubReqMsg.EventTriggerDefinition.Data.Data[i] != subReqMsg.EventTriggerDefinition.Data.Data[i] {
+ return false
+ }
+ }
+
+ // Actions check
+ if len(s.SubReqMsg.ActionSetups) != len(subReqMsg.ActionSetups) {
+ return false
+ }
+
+ for _, acts := range s.SubReqMsg.ActionSetups {
+ for _, actt := range subReqMsg.ActionSetups {
+ if acts.ActionId != actt.ActionId {
+ return false
+ }
+ if acts.ActionType != actt.ActionType {
+ return false
+ }
+
+ if acts.ActionType != e2ap.E2AP_ActionTypeReport {
+ return false
+ }
+
+ if acts.RicActionDefinitionPresent != actt.RicActionDefinitionPresent {
+ return false
+ }
+
+ if acts.ActionDefinitionChoice.Data.Length != actt.ActionDefinitionChoice.Data.Length {
+ return false
+ }
+ for i := uint64(0); i < acts.ActionDefinitionChoice.Data.Length; i++ {
+ if acts.ActionDefinitionChoice.Data.Data[i] != actt.ActionDefinitionChoice.Data.Data[i] {
+ return false
+ }
+ }
+ if acts.SubsequentAction.Present != actt.SubsequentAction.Present ||
+ acts.SubsequentAction.Type != actt.SubsequentAction.Type ||
+ acts.SubsequentAction.TimetoWait != actt.SubsequentAction.TimetoWait {
+ return false
+ }
+ }
}
- return nil
+ return true
}
Code Review / ric-plt / submgr.git / blobdiff