import (
"fmt"
+ "gerrit.o-ran-sc.org/r/ric-plt/submgr/pkg/xapptweaks"
"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 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 *Transaction) String() string {
- t.mutex.Lock()
- defer t.mutex.Unlock()
- var subId string = "?"
- if t.Subs != nil {
- subId = strconv.FormatUint(uint64(t.Subs.Seq), 10)
- }
- return subId + "/" + t.RmrEndpoint.String() + "/" + t.Xid
-}
-
-func (t *Transaction) CheckResponseReceived() bool {
- t.mutex.Lock()
- defer t.mutex.Unlock()
- if t.RespReceived == false {
- t.RespReceived = true
- return false
- }
- return true
+type Tracker struct {
+ mutex sync.Mutex
+ transactionXappTable map[TransactionXappKey]*TransactionXapp
+ transSeq uint64
}
-func (t *Transaction) RetryTransaction() {
- t.mutex.Lock()
- defer t.mutex.Unlock()
- t.RespReceived = false
+func (t *Tracker) Init() {
+ t.transactionXappTable = make(map[TransactionXappKey]*TransactionXapp)
}
-func (t *Transaction) Release() {
+func (t *Tracker) initTransaction(transBase *Transaction) {
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)
- }
- t.Subs = nil
- t.tracker = nil
+ transBase.EventChan = make(chan interface{})
+ transBase.tracker = t
+ transBase.Seq = t.transSeq
+ t.transSeq++
}
-//-----------------------------------------------------------------------------
-//
-//-----------------------------------------------------------------------------
-type Tracker struct {
- transactionXappTable map[TransactionXappKey]*Transaction
- mutex sync.Mutex
+func (t *Tracker) NewSubsTransaction(subs *Subscription) *TransactionSubs {
+ trans := &TransactionSubs{}
+ trans.Meid = subs.GetMeid()
+ t.initTransaction(&trans.Transaction)
+ xapp.Logger.Debug("CREATE %s", trans.String())
+ return trans
}
-func (t *Tracker) Init() {
- t.transactionXappTable = make(map[TransactionXappKey]*Transaction)
+func (t *Tracker) NewXappTransaction(
+ endpoint *xapptweaks.RmrEndpoint,
+ xid string,
+ subid uint32,
+ meid *xapp.RMRMeid) *TransactionXapp {
+
+ trans := &TransactionXapp{}
+ trans.XappKey = &TransactionXappKey{*endpoint, xid}
+ trans.Meid = meid
+ trans.SubId = subid
+ t.initTransaction(&trans.Transaction)
+ xapp.Logger.Debug("CREATE %s", trans.String())
+ return trans
}
-func (t *Tracker) TrackTransaction(subs *Subscription, endpoint RmrEndpoint, params *xapp.RMRParams, respReceived bool, forwardRespToXapp bool) (*Transaction, error) {
+func (t *Tracker) Track(trans *TransactionXapp) error {
- trans := &Transaction{
- tracker: nil,
- Subs: nil,
- RmrEndpoint: endpoint,
- Xid: params.Xid,
- OrigParams: params,
- RespReceived: respReceived,
- ForwardRespToXapp: forwardRespToXapp,
+ if trans.GetEndpoint() == nil {
+ err := fmt.Errorf("Tracker: No valid endpoint given in %s", trans.String())
+ return err
}
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
- }
+ theKey := *trans.XappKey
- 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
+ if othtrans, ok := t.transactionXappTable[theKey]; ok {
+ err := fmt.Errorf("Tracker: %s is ongoing, not tracking %s", othtrans, trans)
+ return err
}
trans.tracker = t
- t.transactionXappTable[xappkey] = trans
- return trans, nil
+ t.transactionXappTable[theKey] = trans
+ xapp.Logger.Debug("Tracker: Append %s", trans.String())
+ //xapp.Logger.Debug("Tracker: transtable=%v", t.transactionXappTable)
+ return nil
}
-func (t *Tracker) UnTrackTransaction(xappKey TransactionXappKey) (*Transaction, error) {
+func (t *Tracker) UnTrackTransaction(xappKey TransactionXappKey) (*TransactionXapp, error) {
t.mutex.Lock()
defer t.mutex.Unlock()
if trans, ok2 := t.transactionXappTable[xappKey]; ok2 {
+ xapp.Logger.Debug("Tracker: Remove %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)
}