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
+ transactionTable map[TransactionKey]Transaction
+ mutex sync.Mutex
+}
+
+func (t *Tracker) Init() {
+ t.transactionTable = make(map[TransactionKey]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 {
+func (t *Tracker) TrackTransaction(key TransactionKey, xact Transaction) error {
+ t.mutex.Lock()
+ defer t.mutex.Unlock()
+ if _, ok := t.transactionTable[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 )
+ err := fmt.Errorf("transaction tracker: Similar transaction with sub id %d and type %s is ongoing", key.SubID, key.transType)
return err
}
- t.transaction_table[key] = xact
+ t.transactionTable[key] = xact
return nil
}
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 {
+func (t *Tracker) UpdateTransaction(SubID uint16, transType Action, xact Transaction) error {
+ key := TransactionKey{SubID, transType}
+ t.mutex.Lock()
+ defer t.mutex.Unlock()
+ if _, ok := t.transactionTable[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 %v is ongoing", key.SubID, key.transType)
+ return err
+ }
+ t.transactionTable[key] = xact
+ return nil
+}
+
+/*
+Retreives the transaction table entry for the given request.
+Returns error in case the transaction cannot be found.
+*/
+func (t *Tracker) RetriveTransaction(subID uint16, act Action) (Transaction, error) {
+ key := TransactionKey{subID, act}
+ t.mutex.Lock()
+ defer t.mutex.Unlock()
+ var xact Transaction
+ if xact, ok := t.transactionTable[key]; ok {
return xact, nil
}
- err := fmt.Errorf("Tranaction record for Subscription ID %d and action %s does not exist", subID, act)
- return nil, err
+ err := fmt.Errorf("transaction record for Subscription ID %d and action %s does not exist", subID, act)
+ return xact, err
}
/*
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) completeTransaction(subID uint16, act Action) (Transaction, error) {
+ key := TransactionKey{subID, act}
+ var emptyTransaction Transaction
+ t.mutex.Lock()
+ defer t.mutex.Unlock()
+ if xact, ok := t.transactionTable[key]; ok {
+ delete(t.transactionTable, key)
+ return xact, nil
}
- err := fmt.Errorf("Tranaction record for Subscription ID %d and action %s does not exist", subID, act)
- return nil, nil, err
+ err := fmt.Errorf("transaction record for Subscription ID %d and action %s does not exist", subID, act)
+ return emptyTransaction, err
}