import (
"fmt"
"gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
- "strconv"
"sync"
)
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
-type TransactionXappKey struct {
- RmrEndpoint
- Xid string // xapp xid in req
-}
-
-func (key *TransactionXappKey) String() string {
- return key.RmrEndpoint.String() + "/" + key.Xid
+type Tracker struct {
+ mutex sync.Mutex
+ transactionXappTable map[TransactionXappKey]*Transaction
+ transSeq uint64
}
-//-----------------------------------------------------------------------------
-//
-//-----------------------------------------------------------------------------
-type Transaction struct {
- tracker *Tracker // tracker instance
- Subs *Subscription
- RmrEndpoint RmrEndpoint
- Xid string // xapp xid in req
- OrigParams *xapp.RMRParams // request orginal params
- RespReceived bool
- ForwardRespToXapp bool
- mutex sync.Mutex
+func (t *Tracker) Init() {
+ t.transactionXappTable = make(map[TransactionXappKey]*Transaction)
}
-func (t *Transaction) String() string {
+func (t *Tracker) NewTransactionFromSkel(transSkel *Transaction) *Transaction {
t.mutex.Lock()
defer t.mutex.Unlock()
- var subId string = "?"
- if t.Subs != nil {
- subId = strconv.FormatUint(uint64(t.Subs.Seq), 10)
+ trans := transSkel
+ if trans == nil {
+ trans = &Transaction{}
}
- return subId + "/" + t.RmrEndpoint.String() + "/" + t.Xid
+ trans.EventChan = make(chan interface{})
+ trans.tracker = t
+ trans.Seq = t.transSeq
+ t.transSeq++
+ xapp.Logger.Debug("Transaction: Create %s", trans.String())
+ return trans
}
-func (t *Transaction) CheckResponseReceived() bool {
- t.mutex.Lock()
- defer t.mutex.Unlock()
- if t.RespReceived == false {
- t.RespReceived = true
- return false
- }
- return true
+func (t *Tracker) NewTransaction(meid *xapp.RMRMeid) *Transaction {
+ trans := &Transaction{}
+ trans.Meid = meid
+ trans = t.NewTransactionFromSkel(trans)
+ return trans
}
-func (t *Transaction) RetryTransaction() {
- t.mutex.Lock()
- defer t.mutex.Unlock()
- t.RespReceived = false
-}
+func (t *Tracker) TrackTransaction(
+ endpoint *RmrEndpoint,
+ xid string,
+ meid *xapp.RMRMeid) (*Transaction, error) {
-func (t *Transaction) Release() {
- t.mutex.Lock()
- defer t.mutex.Unlock()
- if t.Subs != nil {
- t.Subs.UnSetTransaction(t)
- }
- if t.tracker != nil {
- xappkey := TransactionXappKey{t.RmrEndpoint, t.Xid}
- t.tracker.UnTrackTransaction(xappkey)
+ if endpoint == nil {
+ err := fmt.Errorf("Tracker: No valid endpoint given")
+ return nil, err
}
- t.Subs = nil
- t.tracker = 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,
- }
+ trans := &Transaction{}
+ trans.XappKey = &TransactionXappKey{*endpoint, xid}
+ trans.Meid = meid
+ trans = t.NewTransactionFromSkel(trans)
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)
+ if othtrans, ok := t.transactionXappTable[*trans.XappKey]; ok {
+ err := fmt.Errorf("Tracker: %s is ongoing, %s not created ", othtrans, trans)
return nil, err
}
trans.tracker = t
- t.transactionXappTable[xappkey] = trans
+ t.transactionXappTable[*trans.XappKey] = trans
+ xapp.Logger.Debug("Tracker: Add %s", trans.String())
+ //xapp.Logger.Debug("Tracker: transtable=%v", t.transactionXappTable)
return trans, nil
}
t.mutex.Lock()
defer t.mutex.Unlock()
if trans, ok2 := t.transactionXappTable[xappKey]; ok2 {
+ xapp.Logger.Debug("Tracker: Delete %s", trans.String())
delete(t.transactionXappTable, xappKey)
+ //xapp.Logger.Debug("Tracker: transtable=%v", t.transactionXappTable)
return trans, nil
}
- return nil, fmt.Errorf("Tracker: No record for xappkey %s", xappKey)
+ return nil, fmt.Errorf("Tracker: No record %s", xappKey)
}