Add example of E2 subscription via REST + alarm raising
Change-Id: Ie9c9c29e62b166f2755dbec6ab0c1ff348485fed
Signed-off-by: Mohamed Abukar <abukar.mohamed@nokia.com>
diff --git a/examples/cmd/example-xapp.go b/examples/cmd/example-xapp.go
index 8fe7873..a08844b 100755
--- a/examples/cmd/example-xapp.go
+++ b/examples/cmd/example-xapp.go
@@ -14,21 +14,28 @@
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.
+
+ This source code is part of the near-RT RIC (RAN Intelligent Controller)
+ platform project (RICP).
==================================================================================
*/
package main
import (
+ "gerrit.o-ran-sc.org/r/ric-plt/alarm-go.git/alarm"
+ "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/clientmodel"
"gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
"net/http"
)
// This could be defined in types.go
type ExampleXapp struct {
- msgChan chan *xapp.RMRParams
- stats map[string]xapp.Counter
- rmrReady bool
- waitForSdl bool
+ msgChan chan *xapp.RMRParams
+ stats map[string]xapp.Counter
+ rmrReady bool
+ waitForSdl bool
+ subscriptionInstances []*clientmodel.SubscriptionInstance
+ subscriptionId *string
}
func (e *ExampleXapp) handleRICIndication(ranName string, r *xapp.RMRParams) {
@@ -67,6 +74,47 @@
}
}
+func (e *ExampleXapp) Subscribe() {
+ // Setup response callback to handle subscription response from SubMgr
+ xapp.Subscription.SetResponseCB(func(resp *clientmodel.SubscriptionResponse) {
+ if *e.subscriptionId == *resp.SubscriptionID {
+ for _, s := range resp.SubscriptionInstances {
+ e.subscriptionInstances = append(e.subscriptionInstances, s)
+ }
+ }
+ })
+
+ // Fill subscription parameters: type=REPORT
+ ranName := "en-gnb:369-11105-aaaaa8"
+ functionId := int64(1)
+ clientEndpoint := "localhost:4560"
+
+ reportParams := clientmodel.ReportParams{
+ Meid: ranName,
+ RANFunctionID: &functionId,
+ ClientEndpoint: &clientEndpoint,
+ EventTriggers: clientmodel.EventTriggerList{
+ &clientmodel.EventTrigger{
+ InterfaceDirection: int64(0),
+ ProcedureCode: int64(27),
+ TypeOfMessage: int64(1),
+ },
+ },
+ }
+
+ // Now subscribe ...
+ if resp, err := xapp.Subscription.SubscribeReport(&reportParams); err == nil {
+ e.subscriptionId = resp.SubscriptionID
+ xapp.Logger.Info("Subscriptions for RanName='%s' [subscriptionId=%s] done!", ranName, *resp.SubscriptionID)
+ return
+ }
+
+ // Subscription failed, raise alarm (only for demo purpose!)
+ if err := xapp.Alarm.Raise(8006, alarm.SeverityCritical, ranName, "subscriptionFailed"); err != nil {
+ xapp.Logger.Info("Raising alarm failed with error: %v", err)
+ }
+}
+
func (e *ExampleXapp) Consume(rp *xapp.RMRParams) (err error) {
e.msgChan <- rp
return