+func (s *Subscription) GetTransaction() *Transaction {
+ s.mutex.Lock()
+ defer s.mutex.Unlock()
+ return s.Trans
+}
+
+func (s *Subscription) SubRouteInfo(act Action) SubRouteInfo {
+ s.mutex.Lock()
+ defer s.mutex.Unlock()
+ return SubRouteInfo{act, s.RmrEndpoint.Addr, s.RmrEndpoint.Port, s.Seq}
+}
+
+//-----------------------------------------------------------------------------
+//
+//-----------------------------------------------------------------------------
+type Registry struct {
+ register map[uint16]*Subscription
+ counter uint16
+ mutex sync.Mutex
+}
+
+// This method should run as a constructor
+func (r *Registry) Initialize(seedsn uint16) {
+ r.register = make(map[uint16]*Subscription)
+ r.counter = seedsn
+}
+
+// Reserves and returns the next free sequence number
+func (r *Registry) ReserveSubscription(endPoint RmrEndpoint, meid *xapp.RMRMeid) *Subscription {
+ // Check is current SequenceNumber valid
+ // Allocate next SequenceNumber value and retry N times
+ r.mutex.Lock()
+ defer r.mutex.Unlock()
+ var subs *Subscription = nil
+ var retrytimes uint16 = 1000
+ for ; subs == nil && retrytimes > 0; retrytimes-- {
+ sequenceNumber := r.counter
+ if r.counter == 65535 {
+ r.counter = 0
+ } else {
+ r.counter++
+ }
+ if _, ok := r.register[sequenceNumber]; ok == false {
+ r.register[sequenceNumber] = &Subscription{
+ Seq: sequenceNumber,
+ Active: false,
+ RmrEndpoint: endPoint,
+ Meid: meid,
+ Trans: nil,
+ }
+ return r.register[sequenceNumber]
+ }