/* ================================================================================== 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(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, } 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 } err := subs.SetTransaction(trans) if err != nil { 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) }