RICPLT-3014 Subs multiple rmr endpoints

[ric-plt/submgr.git] / pkg / control / subscription.go

diff --git a/pkg/control/subscription.go b/pkg/control/subscription.go
index 6ed3d32..6fd806c 100644 (file)
--- a/pkg/control/subscription.go
+++ b/pkg/control/subscription.go
@@ -30,19 +30,24 @@ import (
 //
 //-----------------------------------------------------------------------------
 type Subscription struct {
-       mutex  sync.Mutex
-       Seq    uint16
-       Active bool
+       mutex    sync.Mutex
+       registry *Registry
+       Seq      uint16
+       Active   bool
        //
-       Meid        *xapp.RMRMeid
-       RmrEndpoint // xapp endpoint. Now only one xapp can have relation to single subscription. To be changed in merge
-       Trans       *Transaction
+       Meid   *xapp.RMRMeid
+       EpList RmrEndpointList
+       Trans  *Transaction
+}
+
+func (s *Subscription) stringImpl() string {
+       return "subs(" + strconv.FormatUint(uint64(s.Seq), 10) + "/" + s.Meid.RanName + "/" + s.EpList.String() + ")"
 }
 
 func (s *Subscription) String() string {
        s.mutex.Lock()
        defer s.mutex.Unlock()
-       return strconv.FormatUint(uint64(s.Seq), 10) + "/" + s.RmrEndpoint.String() + "/" + s.Meid.RanName
+       return s.stringImpl()
 }
 
 func (s *Subscription) GetSubId() uint16 {
@@ -78,20 +83,29 @@ func (s *Subscription) IsConfirmed() bool {
        return s.Active
 }
 
-func (s *Subscription) SetTransaction(trans *Transaction) error {
+func (s *Subscription) IsEndpoint(ep *RmrEndpoint) bool {
        s.mutex.Lock()
        defer s.mutex.Unlock()
+       return s.EpList.HasEndpoint(ep)
+}
 
-       subString := strconv.FormatUint(uint64(s.Seq), 10) + "/" + s.RmrEndpoint.String() + "/" + s.Meid.RanName
+func (s *Subscription) SetTransaction(trans *Transaction) error {
+       s.mutex.Lock()
+       defer s.mutex.Unlock()
 
-       if (s.RmrEndpoint.Addr != trans.RmrEndpoint.Addr) || (s.RmrEndpoint.Port != trans.RmrEndpoint.Port) {
-               return fmt.Errorf("Subscription: %s endpoint mismatch with trans: %s", subString, trans)
-       }
        if s.Trans != nil {
-               return fmt.Errorf("Subscription: %s trans %s exist, can not register %s", subString, s.Trans, trans)
+               return fmt.Errorf("subs(%s) trans(%s) exist, can not register trans(%s)", s.stringImpl(), s.Trans, trans)
        }
        trans.Subs = s
        s.Trans = trans
+
+       if len(s.EpList.Endpoints) == 0 {
+               s.EpList.Endpoints = append(s.EpList.Endpoints, trans.RmrEndpoint)
+               return s.updateRouteImpl(CREATE)
+       } else if s.EpList.HasEndpoint(&trans.RmrEndpoint) == false {
+               s.EpList.Endpoints = append(s.EpList.Endpoints, trans.RmrEndpoint)
+               return s.updateRouteImpl(MERGE)
+       }
        return nil
 }
 
@@ -111,14 +125,25 @@ func (s *Subscription) GetTransaction() *Transaction {
        return s.Trans
 }
 
-func (s *Subscription) UpdateRoute(act Action, rtmgrClient *RtmgrClient) error {
+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("subs(%s) %s", s.stringImpl(), err.Error())
+       }
+       return nil
+}
+
+func (s *Subscription) UpdateRoute(act Action) error {
        s.mutex.Lock()
        defer s.mutex.Unlock()
-       xapp.Logger.Info("Subscription: Starting routing manager route add. SubId: %d, RmrEndpoint: %s", s.Seq, s.RmrEndpoint)
-       subRouteAction := SubRouteInfo{act, s.RmrEndpoint.Addr, s.RmrEndpoint.Port, s.Seq}
-       err := rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
+       return s.updateRouteImpl(act)
+}
+
+func (s *Subscription) Release() {
+       s.registry.DelSubscription(s.Seq)
+       err := s.UpdateRoute(DELETE)
        if err != nil {
-               return fmt.Errorf("Subscription: Failed to add route. SubId: %d, RmrEndpoint: %s", s.Seq, s.RmrEndpoint)
+               xapp.Logger.Error("%s", err.Error())
        }
-       return nil
 }