X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=pkg%2Fcontrol%2Fregistry.go;h=5edc3eb7182893bd6d145445db72bf24da8bf17b;hb=422d018f94aedd9f4c001176b5ff06c786de28eb;hp=8f52f970a6f6cd0d2fa3069b49fece1fd70efa63;hpb=4511475f03107eb53c88545649898e3cfbcc2765;p=ric-plt%2Fsubmgr.git

diff --git a/pkg/control/registry.go b/pkg/control/registry.go
index 8f52f97..5edc3eb 100644
--- a/pkg/control/registry.go
+++ b/pkg/control/registry.go
@@ -19,15 +19,90 @@
 
 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"
+	"sync"
+)
+
+//-----------------------------------------------------------------------------
+//
+//-----------------------------------------------------------------------------
 type Registry struct {
-  counter int
+	mutex       sync.Mutex
+	register    map[uint16]*Subscription
+	subIds      []uint16
+	rtmgrClient *RtmgrClient
+}
+
+// This method should run as a constructor
+func (r *Registry) Initialize() {
+	r.register = make(map[uint16]*Subscription)
+	var i uint16
+	for i = 0; i < 65535; i++ {
+		r.subIds = append(r.subIds, i+1)
+	}
+}
+
+// Reserves and returns the next free sequence number
+func (r *Registry) AssignToSubscription(trans *Transaction, subReqMsg *e2ap.E2APSubscriptionRequest) (*Subscription, error) {
+	r.mutex.Lock()
+	defer r.mutex.Unlock()
+	if len(r.subIds) > 0 {
+		sequenceNumber := r.subIds[0]
+		r.subIds = r.subIds[1:]
+		if _, ok := r.register[sequenceNumber]; ok == false {
+			subs := &Subscription{
+				registry: r,
+				Seq:      sequenceNumber,
+				Meid:     trans.Meid,
+			}
+			err := subs.AddEndpoint(trans.GetEndpoint())
+			if err != nil {
+				return nil, err
+			}
+			subs.SubReqMsg = subReqMsg
+
+			r.register[sequenceNumber] = subs
+			xapp.Logger.Debug("Registry: Create %s", subs.String())
+			xapp.Logger.Debug("Registry: substable=%v", r.register)
+			return subs, nil
+		}
+	}
+	return nil, fmt.Errorf("Registry: Failed to reserves subscription")
+}
+
+func (r *Registry) GetSubscription(sn uint16) *Subscription {
+	r.mutex.Lock()
+	defer r.mutex.Unlock()
+	if _, ok := r.register[sn]; ok {
+		return r.register[sn]
+	}
+	return nil
 }
 
-func (r *Registry) GetSubscriptionId() int {
-  return r.generateId()
+func (r *Registry) GetSubscriptionFirstMatch(ids []uint16) (*Subscription, error) {
+	r.mutex.Lock()
+	defer r.mutex.Unlock()
+	for _, id := range ids {
+		if _, ok := r.register[id]; ok {
+			return r.register[id], nil
+		}
+	}
+	return nil, fmt.Errorf("No valid subscription found with ids %v", ids)
 }
 
-func (r *Registry) generateId() int {
-  r.counter += 1
-  return r.counter
+func (r *Registry) DelSubscription(sn uint16) bool {
+	r.mutex.Lock()
+	defer r.mutex.Unlock()
+	if _, ok := r.register[sn]; ok {
+		subs := r.register[sn]
+		xapp.Logger.Debug("Registry: Delete %s", subs.String())
+		r.subIds = append(r.subIds, sn)
+		delete(r.register, sn)
+		xapp.Logger.Debug("Registry: substable=%v", r.register)
+		return true
+	}
+	return false
 }