New submgr for testing. Tagged as ric-plt-submgr:r3-test-v2. Tested that submgr can...

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

diff --git a/pkg/control/registry.go b/pkg/control/registry.go
index 8f52f97..98aa97e 100644 (file)
--- a/pkg/control/registry.go
+++ b/pkg/control/registry.go
@@ -19,15 +19,78 @@
 
 package control
 
+import (
+       "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
+       "sync"
+)
+
+var registryMutex = &sync.Mutex{}
+
 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, bool) {
+       // Check is current SequenceNumber valid
+       registryMutex.Lock()
+       defer registryMutex.Unlock()
+       sequenceNumber := r.counter
+       if _, ok := r.register[sequenceNumber]; ok {
+               xapp.Logger.Error("Invalid SeqenceNumber sequenceNumber: %v",sequenceNumber)
+               return sequenceNumber, false
+       }
+       r.register[sequenceNumber] = false
+
+       // Allocate next SequenceNumber value
+       if r.counter == 65535 {
+               r.counter = 0
+       } else {
+               r.counter++
+       }
+       return sequenceNumber, true
+}
+
+// This function checks the validity of the given subscription id
+func (r *Registry) IsValidSequenceNumber(sn uint16) bool {
+       registryMutex.Lock()
+       defer registryMutex.Unlock()
+       xapp.Logger.Debug("Registry map: %v", r.register)
+       if _, ok := r.register[sn]; ok {
+               return true
+       }
+       return false
+}
+
+// This function sets the give id as confirmed in the register
+func (r *Registry) setSubscriptionToConfirmed(sn uint16) {
+       registryMutex.Lock()
+       defer registryMutex.Unlock()
+       r.register[sn] = true
 }
 
-func (r *Registry) GetSubscriptionId() int {
-  return r.generateId()
+//This function sets the given id as unused in the register
+func (r *Registry) deleteSubscription(sn uint16) {
+       registryMutex.Lock()
+       defer registryMutex.Unlock()
+       r.register[sn] = false
 }
 
-func (r *Registry) generateId() int {
-  r.counter += 1
-  return r.counter
+//This function releases the given id as unused in the register
+func (r *Registry) releaseSequenceNumber(sn uint16) bool {
+       registryMutex.Lock()
+       defer registryMutex.Unlock()
+       if r.register[sn] {
+               return false
+               } else {
+               delete(r.register, sn)
+               return true
+       }
 }