blob: 11d2cf7784b001de15295694f38b12565c5f40c2 [file] [log] [blame]
/*
==================================================================================
Copyright (c) 2019 AT&T Intellectual Property.
Copyright (c) 2019 Nokia
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================================
*/
package control
import (
"fmt"
"gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
"sync"
)
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
type Tracker struct {
mutex sync.Mutex
transactionXappTable map[TransactionXappKey]*Transaction
}
func (t *Tracker) Init() {
t.transactionXappTable = make(map[TransactionXappKey]*Transaction)
}
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: xid,
Meid: meid,
RespReceived: respReceived,
ForwardRespToXapp: forwardRespToXapp,
}
t.mutex.Lock()
defer t.mutex.Unlock()
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
}
trans.tracker = t
t.transactionXappTable[xappkey] = trans
return trans, 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
}
return nil, fmt.Errorf("Tracker: No record for xappkey %s", xappKey)
}