Seed code

[nonrtric/rapp/orufhrecovery.git] / goversion / internal / linkfailure / linkfailurehandler.go

diff --git a/goversion/internal/linkfailure/linkfailurehandler.go b/goversion/internal/linkfailure/linkfailurehandler.go
new file mode 100644 (file)
index 0000000..bf3d83b
--- /dev/null
+++ b/goversion/internal/linkfailure/linkfailurehandler.go
@@ -0,0 +1,89 @@
+// -
+//   ========================LICENSE_START=================================
+//   O-RAN-SC
+//   %%
+//   Copyright (C) 2021: Nordix Foundation
+//   %%
+//   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.
+//   ========================LICENSE_END===================================
+//
+
+package linkfailure
+
+import (
+       "net/http"
+       "strings"
+
+       log "github.com/sirupsen/logrus"
+
+       "oransc.org/usecase/oruclosedloop/internal/repository"
+       "oransc.org/usecase/oruclosedloop/internal/restclient"
+       "oransc.org/usecase/oruclosedloop/internal/ves"
+)
+
+type Configuration struct {
+       SDNRAddress  string
+       SDNRUser     string
+       SDNRPassword string
+}
+
+const rawSdnrPath = "/rests/data/network-topology:network-topology/topology=topology-netconf/node=[O-DU-ID]/yang-ext:mount/o-ran-sc-du-hello-world:network-function/distributed-unit-functions=[O-DU-ID]/radio-resource-management-policy-ratio=rrm-pol-1"
+const unlockMessage = `{"o-ran-sc-du-hello-world:radio-resource-management-policy-ratio":[{"id":"rrm-pol-1","radio-resource-management-policy-max-ratio":25,"radio-resource-management-policy-members":[{"mobile-country-code":"310","mobile-network-code":"150","slice-differentiator":1,"slice-service-type":1}],"radio-resource-management-policy-min-ratio":15,"user-label":"rrm-pol-1","resource-type":"prb","radio-resource-management-policy-dedicated-ratio":20,"administrative-state":"unlocked"}]}`
+
+type LinkFailureHandler struct {
+       lookupService repository.LookupService
+       config        Configuration
+       client        restclient.HTTPClient
+}
+
+func NewLinkFailureHandler(ls repository.LookupService, conf Configuration, client restclient.HTTPClient) *LinkFailureHandler {
+       return &LinkFailureHandler{
+               lookupService: ls,
+               config:        conf,
+               client:        client,
+       }
+}
+
+func (lfh LinkFailureHandler) MessagesHandler(w http.ResponseWriter, r *http.Request) {
+       log.Debug("Handling messages")
+       if messages := ves.GetVesMessages(r.Body); messages != nil {
+               faultMessages := ves.GetFaultMessages(messages)
+
+               for _, message := range *faultMessages {
+                       if message.IsLinkFailure() {
+                               lfh.sendUnlockMessage(message.GetORuId())
+                       } else if message.IsClearLinkFailure() {
+                               log.Debugf("Cleared Link failure for O-RU ID: %v", message.GetORuId())
+                       }
+               }
+       }
+}
+
+func (lfh LinkFailureHandler) sendUnlockMessage(oRuId string) {
+       if oDuId, err := lfh.lookupService.GetODuID(oRuId); err == nil {
+               sdnrPath := getSdnrPath(oDuId)
+               if error := restclient.Put(lfh.config.SDNRAddress+sdnrPath, unlockMessage, lfh.client, lfh.config.SDNRUser, lfh.config.SDNRPassword); error == nil {
+                       log.Debugf("Sent unlock message for O-RU: %v to O-DU: %v.", oRuId, oDuId)
+               } else {
+                       log.Warn("Send of unlock message failed due to ", error)
+               }
+       } else {
+               log.Warn("Send of unlock message failed due to ", err)
+       }
+
+}
+
+func getSdnrPath(oDuId string) string {
+       sdnrPath := strings.Replace(rawSdnrPath, "[O-DU-ID]", oDuId, -1)
+       return sdnrPath
+}