-/*
-Deletes the transaction table entry for the given request and returns the deleted xapp's address and port for reference.
-Returns error in case the transaction cannot be found.
-*/
-func (t *Tracker) completeTransaction(subID uint16, act Action) (Transaction, error) {
- key := TransactionKey{subID, act}
- var emptyTransaction Transaction
- if xact, ok := t.transactionTable[key]; ok {
- delete(t.transactionTable, key)
- return xact, nil
+//-----------------------------------------------------------------------------
+//
+//-----------------------------------------------------------------------------
+type Tracker struct {
+ transactionXappTable map[TransactionXappKey]*Transaction
+ mutex sync.Mutex
+}
+
+func (t *Tracker) Init() {
+ t.transactionXappTable = make(map[TransactionXappKey]*Transaction)
+}
+
+func (t *Tracker) TrackTransaction(subs *Subscription, endpoint RmrEndpoint, params *xapp.RMRParams, respReceived bool, forwardRespToXapp bool) (*Transaction, error) {
+
+ trans := &Transaction{
+ tracker: nil,
+ Subs: nil,
+ RmrEndpoint: endpoint,
+ Xid: params.Xid,
+ OrigParams: params,
+ RespReceived: respReceived,
+ ForwardRespToXapp: forwardRespToXapp,
+ }
+
+ t.mutex.Lock()
+ defer t.mutex.Unlock()
+
+ xappkey := TransactionXappKey{endpoint, params.Xid}
+ if _, ok := t.transactionXappTable[xappkey]; ok {
+ err := fmt.Errorf("Tracker: Similar transaction with xappkey %s is ongoing, transaction %s not created ", xappkey, trans)
+ return nil, err
+ }
+
+ if subs.SetTransaction(trans) == false {
+ othTrans := subs.GetTransaction()
+ err := fmt.Errorf("Tracker: Subscription %s got already transaction ongoing: %s, transaction %s not created", subs, othTrans, trans)
+ return nil, err
+ }
+ trans.Subs = subs
+ if (trans.Subs.RmrEndpoint.Addr != trans.RmrEndpoint.Addr) || (trans.Subs.RmrEndpoint.Port != trans.RmrEndpoint.Port) {
+ err := fmt.Errorf("Tracker: Subscription endpoint %s mismatch with trans: %s", subs, trans)
+ trans.Subs.UnSetTransaction(nil)
+ return nil, err
+ }
+
+ trans.tracker = t
+ t.transactionXappTable[xappkey] = trans
+ return trans, nil
+}
+
+func (t *Tracker) UnTrackTransaction(xappKey TransactionXappKey) (*Transaction, error) {
+ t.mutex.Lock()
+ defer t.mutex.Unlock()
+ if trans, ok2 := t.transactionXappTable[xappKey]; ok2 {
+ delete(t.transactionXappTable, xappKey)
+ return trans, nil