RICPLT-2962 Preparation for subs merge

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

diff --git a/pkg/control/tracker.go b/pkg/control/tracker.go
index bd062da..869e8ca 100644 (file)
--- a/pkg/control/tracker.go
+++ b/pkg/control/tracker.go
@@ -21,53 +21,54 @@ package control
 
 import (
        "fmt"
-//     "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
+       "sync"
 )
 
-/*
-Implements a record of ongoing transactions and helper functions to CRUD the records.
-*/
+//-----------------------------------------------------------------------------
+//
+//-----------------------------------------------------------------------------
 type Tracker struct {
-       transaction_table map[Transaction_key]*Transaction
+       mutex                sync.Mutex
+       transactionXappTable map[TransactionXappKey]*Transaction
 }
 
-/*
-Checks if a tranascation with similar type has been ongoing. If not then creates one.
-Returns error if there is similar transatcion ongoing.
-*/
-func (t *Tracker) Track_transaction(key Transaction_key, xact *Transaction) error{
-       if _, ok := t.transaction_table[key]; ok {
-               // TODO: Implement merge related check here. If the key is same but the value is different.
-               err := fmt.Errorf("Transaction tracker: Similar transaction with sub id %d and type %s is ongoing", key.SubID, key.trans_type )
-               return err
-       }
-       t.transaction_table[key] = xact
-       return nil
+func (t *Tracker) Init() {
+       t.transactionXappTable = make(map[TransactionXappKey]*Transaction)
 }
 
-/*
-Retreives the transaction table entry for the given request.
-Returns error in case the transaction cannot be found.
-*/
-func (t *Tracker) Retrive_transaction(subID uint16, act Action) (*Transaction, error){
-       key := Transaction_key{subID, act}
-       if xact, ok := t.transaction_table[key]; ok {
-               return xact, nil
+func (t *Tracker) TrackTransaction(endpoint RmrEndpoint, params *RMRParams, respReceived bool, forwardRespToXapp bool) (*Transaction, error) {
+
+       trans := &Transaction{
+               tracker:           nil,
+               Subs:              nil,
+               RmrEndpoint:       endpoint,
+               Mtype:             params.Mtype,
+               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
        }
-       err := fmt.Errorf("Tranaction record for Subscription ID %d and action %s does not exist", subID, act)
-       return nil, err
+
+       trans.tracker = t
+       t.transactionXappTable[xappkey] = trans
+       return trans, nil
 }
 
-/*
-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) complete_transaction(subID uint16, act Action) (*string, *uint16, error){
-       key := Transaction_key{subID, act}
-       if xact, ok := t.transaction_table[key]; ok {
-               delete(t.transaction_table, key)
-               return &(xact.Xapp_instance_address), &(xact.Xapp_port), 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
        }
-       err := fmt.Errorf("Tranaction record for Subscription ID %d and action %s does not exist", subID, act)
-       return nil, nil, err
+       return nil, fmt.Errorf("Tracker: No record for xappkey %s", xappKey)
 }