RICPLT-2985 Route update via registry/subscription entry
Change-Id: I5aa4b71290e5405b9bf995b8528e49e900375cbc
Signed-off-by: Juha Hyttinen <juha.hyttinen@nokia.com>
diff --git a/pkg/control/subscription.go b/pkg/control/subscription.go
new file mode 100644
index 0000000..9bbe3d4
--- /dev/null
+++ b/pkg/control/subscription.go
@@ -0,0 +1,109 @@
+/*
+==================================================================================
+ 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"
+ "strconv"
+ "sync"
+)
+
+//-----------------------------------------------------------------------------
+//
+//-----------------------------------------------------------------------------
+type Subscription struct {
+ mutex sync.Mutex
+ Seq uint16
+ Active bool
+ //
+ Meid *xapp.RMRMeid
+ RmrEndpoint // xapp endpoint. Now only one xapp can have relation to single subscription. To be changed in merge
+ Trans *Transaction
+}
+
+func (s *Subscription) String() string {
+ s.mutex.Lock()
+ defer s.mutex.Unlock()
+ return strconv.FormatUint(uint64(s.Seq), 10) + "/" + s.RmrEndpoint.String() + "/" + s.Meid.RanName
+}
+
+func (s *Subscription) Confirmed() {
+ s.mutex.Lock()
+ defer s.mutex.Unlock()
+ s.Active = true
+}
+
+func (s *Subscription) UnConfirmed() {
+ s.mutex.Lock()
+ defer s.mutex.Unlock()
+ s.Active = false
+}
+
+func (s *Subscription) IsConfirmed() bool {
+ s.mutex.Lock()
+ defer s.mutex.Unlock()
+ return s.Active
+}
+
+func (s *Subscription) SetTransaction(trans *Transaction) error {
+ s.mutex.Lock()
+ defer s.mutex.Unlock()
+
+ subString := strconv.FormatUint(uint64(s.Seq), 10) + "/" + s.RmrEndpoint.String() + "/" + s.Meid.RanName
+
+ if (s.RmrEndpoint.Addr != trans.RmrEndpoint.Addr) || (s.RmrEndpoint.Port != trans.RmrEndpoint.Port) {
+ return fmt.Errorf("Subscription: %s endpoint mismatch with trans: %s", subString, trans)
+ }
+ if s.Trans != nil {
+ return fmt.Errorf("Subscription: %s trans %s exist, can not register %s", subString, s.Trans, trans)
+ }
+ trans.Subs = s
+ s.Trans = trans
+ return nil
+}
+
+func (s *Subscription) UnSetTransaction(trans *Transaction) bool {
+ s.mutex.Lock()
+ defer s.mutex.Unlock()
+ if trans == nil || trans == s.Trans {
+ s.Trans = nil
+ return true
+ }
+ return false
+}
+
+func (s *Subscription) GetTransaction() *Transaction {
+ s.mutex.Lock()
+ defer s.mutex.Unlock()
+ return s.Trans
+}
+
+func (s *Subscription) UpdateRoute(act Action, rtmgrClient *RtmgrClient) error {
+ s.mutex.Lock()
+ defer s.mutex.Unlock()
+ xapp.Logger.Info("Subscription: Starting routing manager route add. SubId: %d, RmrEndpoint: %s", s.Seq, s.RmrEndpoint)
+ subRouteAction := SubRouteInfo{act, s.RmrEndpoint.Addr, s.RmrEndpoint.Port, s.Seq}
+ err := rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
+ if err != nil {
+ return fmt.Errorf("Subscription: Failed to add route. SubId: %d, RmrEndpoint: %s", s.Seq, s.RmrEndpoint)
+ }
+ return nil
+}