X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=pkg%2Fcontrol%2Fregistry.go;h=d182b3eba515c9547455544e55d11d744a64605a;hb=fbc56f981b7bd3387f7326401ceccbf31893a2ed;hp=8f52f970a6f6cd0d2fa3069b49fece1fd70efa63;hpb=303e57cbddf5d0d5e77e2bf7ec60643fcf525419;p=ric-plt%2Fsubmgr.git

diff --git a/pkg/control/registry.go b/pkg/control/registry.go
index 8f52f97..d182b3e 100644
--- a/pkg/control/registry.go
+++ b/pkg/control/registry.go
@@ -19,15 +19,45 @@
 
 package control
 
+import "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
+
 type Registry struct {
-  counter int
+	register map[uint16]bool
+	counter  uint16
+}
+
+// This method should run as a constructor
+func (r *Registry) Initialize(seedsn uint16) {
+	r.register = make(map[uint16]bool)
+	r.counter = seedsn
+}
+
+// Reserves and returns the next free sequence number
+func (r *Registry) ReserveSequenceNumber() uint16 {
+	sequenceNumber := r.counter
+	r.register[sequenceNumber] = false
+	r.shift()
+	return sequenceNumber
+}
+
+// This function checks the validity of the given subscription id
+func (r *Registry) IsValidSequenceNumber(sn uint16) bool {
+	xapp.Logger.Debug("Registry map: %v", r.register)
+	if _, ok := r.register[sn]; ok {
+		return true
+	}
+	return false
 }
 
-func (r *Registry) GetSubscriptionId() int {
-  return r.generateId()
+// This function sets the give id as confirmed in the register
+func (r *Registry) setSubscriptionToConfirmed(sn uint16) {
+	r.register[sn] = true
 }
 
-func (r *Registry) generateId() int {
-  r.counter += 1
-  return r.counter
+func (r *Registry) shift() {
+	if r.counter == 65535 {
+		r.counter = 0
+	} else {
+		r.counter++
+	}
 }