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 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
-}
-
-func (t *Transaction) RetryTransaction() {
- t.mutex.Lock()
- defer t.mutex.Unlock()
- t.RespReceived = false
-}
-
-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)
- }
- t.Subs = nil
- t.tracker = nil
-}
-
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type Tracker struct {
- transactionXappTable map[TransactionXappKey]*Transaction
mutex sync.Mutex
+ transactionXappTable map[TransactionXappKey]*Transaction
}
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) {
+func (t *Tracker) TrackTransaction(
+ endpoint *RmrEndpoint,
+ xid string,
+ meid *xapp.RMRMeid,
+ respReceived bool,
+ forwardRespToXapp bool) (*Transaction, error) {
+
+ if endpoint == nil {
+ err := fmt.Errorf("Tracker: No valid endpoint given")
+ return nil, err
+ }
trans := &Transaction{
tracker: nil,
Subs: nil,
- RmrEndpoint: endpoint,
- Xid: params.Xid,
- OrigParams: params,
+ RmrEndpoint: *endpoint,
+ Xid: xid,
+ Meid: meid,
RespReceived: respReceived,
ForwardRespToXapp: forwardRespToXapp,
}
t.mutex.Lock()
defer t.mutex.Unlock()
- xappkey := TransactionXappKey{endpoint, params.Xid}
+ xappkey := TransactionXappKey{*endpoint, 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