--- /dev/null
+// -
+// ========================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 main
+
+import (
+ "encoding/csv"
+ "encoding/json"
+ "flag"
+ "fmt"
+ "math/rand"
+ "net/http"
+ "os"
+ "strconv"
+ "sync"
+ "time"
+
+ "github.com/gorilla/mux"
+ "oransc.org/usecase/oduclosedloop/messages"
+
+ log "github.com/sirupsen/logrus"
+)
+
+const THRESHOLD_TPUT int = 700
+
+type SliceAssuranceInformation struct {
+ duId string
+ cellId string
+ sd int
+ sst int
+ metricName string
+ metricValue int
+ policyRatioId string
+ policyMaxRatio int
+ policyMinRatio int
+ policyDedicatedRatio int
+}
+
+var data []*SliceAssuranceInformation
+var messagesToSend []messages.Measurement
+
+func loadData() {
+ lines, err := GetCsvFromFile("test-data.csv")
+ if err != nil {
+ panic(err)
+ }
+ for _, line := range lines {
+ sai := SliceAssuranceInformation{
+ duId: line[0],
+ cellId: line[1],
+ sd: toInt(line[2]),
+ sst: toInt(line[3]),
+ metricName: line[4],
+ metricValue: toInt(line[5]),
+ policyRatioId: line[6],
+ policyMaxRatio: toInt(line[7]),
+ policyMinRatio: toInt(line[8]),
+ policyDedicatedRatio: toInt(line[9]),
+ }
+ data = append(data, &sai)
+ }
+}
+
+func GetCsvFromFile(name string) ([][]string, error) {
+ if csvFile, err := os.Open(name); err == nil {
+ defer csvFile.Close()
+ reader := csv.NewReader(csvFile)
+ reader.FieldsPerRecord = -1
+ if csvData, err := reader.ReadAll(); err == nil {
+ return csvData, nil
+ } else {
+ return nil, err
+ }
+ } else {
+ return nil, err
+ }
+}
+
+func toInt(num string) int {
+ res, err := strconv.Atoi(num)
+ if err != nil {
+ return -1
+ }
+ return res
+}
+
+func main() {
+ rand.Seed(time.Now().UnixNano())
+
+ portSdnr := flag.Int("sdnr-port", 3904, "The port this SDNR stub will listen on")
+ portDmaapMR := flag.Int("dmaap-port", 3905, "The port this Dmaap message router will listen on")
+ flag.Parse()
+
+ loadData()
+
+ wg := new(sync.WaitGroup)
+ wg.Add(2)
+
+ go func() {
+
+ r := mux.NewRouter()
+ r.HandleFunc("/rests/data/network-topology:network-topology/topology=topology-netconf/node={NODE-ID}/yang-ext:mount/o-ran-sc-du-hello-world:network-function/distributed-unit-functions={O-DU-ID}", getSdnrResponseMessage).Methods(http.MethodGet)
+ r.HandleFunc("/rests/data/network-topology:network-topology/topology=topology-netconf/node={NODE-ID}/yang-ext:mount/o-ran-sc-du-hello-world:network-function/distributed-unit-functions={O-DU-ID}/radio-resource-management-policy-ratio={POLICY-ID}", updateRRMPolicyDedicatedRatio).Methods(http.MethodPost)
+ r.HandleFunc("/events/unauthenticated.PERFORMANCE_MEASUREMENTS", sendDmaapMRMessages).Methods(http.MethodGet)
+
+ fmt.Println("Starting SDNR stub on port: ", *portSdnr)
+
+ log.Fatal(http.ListenAndServe(fmt.Sprintf(":%v", *portSdnr), r))
+ wg.Done()
+ }()
+
+ go func() {
+
+ r := mux.NewRouter()
+ r.HandleFunc("/events/unauthenticated.PERFORMANCE_MEASUREMENTS", sendDmaapMRMessages).Methods(http.MethodGet)
+
+ fmt.Println("Starting DmaapMR stub on port: ", *portDmaapMR)
+
+ log.Fatal(http.ListenAndServe(fmt.Sprintf(":%v", *portDmaapMR), r))
+ wg.Done()
+ }()
+
+ wg.Wait()
+}
+
+func getSdnrResponseMessage(w http.ResponseWriter, r *http.Request) {
+ vars := mux.Vars(r)
+ log.Info("Get messages for RRM Policy Ratio information for O-Du ID ", vars["O-DU-ID"])
+
+ message := messages.ORanDuRestConf{
+ DistributedUnitFunction: messages.DistributedUnitFunction{
+ Id: vars["O-DU-ID"],
+ RRMPolicyRatio: getPolicyRatioMessage(),
+ },
+ }
+ respondWithJSON(w, http.StatusOK, message)
+}
+
+func getPolicyRatioMessage() []messages.RRMPolicyRatio {
+ var policies []messages.RRMPolicyRatio
+
+ for _, entry := range data {
+
+ message := messages.RRMPolicyRatio{
+ Id: entry.policyRatioId,
+ AdmState: "locked",
+ UserLabel: entry.policyRatioId,
+ RRMPolicyMaxRatio: entry.policyMaxRatio,
+ RRMPolicyMinRatio: entry.policyMinRatio,
+ RRMPolicyDedicatedRatio: entry.policyDedicatedRatio,
+ ResourceType: "prb",
+ RRMPolicyMembers: []messages.RRMPolicyMember{
+ {
+ MobileCountryCode: "046",
+ MobileNetworkCode: "651",
+ SliceDifferentiator: entry.sd,
+ SliceServiceType: entry.sst,
+ },
+ },
+ }
+ policies = append(policies, message)
+ }
+ return policies
+}
+
+func updateRRMPolicyDedicatedRatio(w http.ResponseWriter, r *http.Request) {
+ log.Info("Post request to update RRMPolicyDedicatedRatio")
+
+ var prMessages []messages.RRMPolicyRatio
+ decoder := json.NewDecoder(r.Body)
+
+ if err := decoder.Decode(&prMessages); err != nil {
+ respondWithError(w, http.StatusBadRequest, "Invalid request payload")
+ return
+ }
+ defer r.Body.Close()
+
+ findAndUpdatePolicy(prMessages)
+ respondWithJSON(w, http.StatusOK, map[string]string{"status": "200"})
+}
+
+func findAndUpdatePolicy(rRMPolicyRatio []messages.RRMPolicyRatio) {
+ for _, policy := range rRMPolicyRatio {
+ for _, entry := range data {
+ if entry.policyRatioId == policy.Id {
+ entry.policyDedicatedRatio = policy.RRMPolicyDedicatedRatio
+ log.Info("New value for Policy dedicated ratio: ", entry.policyDedicatedRatio)
+ if entry.metricValue > THRESHOLD_TPUT {
+ entry.metricValue = rand.Intn(THRESHOLD_TPUT)
+ }
+ messagesToSend = append(messagesToSend, generateMeasurementEntry(entry))
+ }
+ }
+ }
+}
+
+func respondWithError(w http.ResponseWriter, code int, message string) {
+ respondWithJSON(w, code, map[string]string{"error": message})
+}
+
+func respondWithJSON(w http.ResponseWriter, code int, payload interface{}) {
+ response, _ := json.Marshal(payload)
+
+ w.Header().Set("Content-Type", "application/json")
+ w.WriteHeader(code)
+ w.Write(response)
+}
+
+func sendDmaapMRMessages(w http.ResponseWriter, r *http.Request) {
+ log.Info("Send Dmaap messages")
+ entry := data[rand.Intn(5)]
+
+ maxTput := THRESHOLD_TPUT + 100
+ randomTput := rand.Intn(maxTput-THRESHOLD_TPUT+1) + THRESHOLD_TPUT
+ if randomTput%3 == 0 {
+ log.Info("Using tput value higher than THRESHOLD_TPUT ", randomTput)
+ entry.metricValue = randomTput
+ }
+
+ messagesToSend = append(messagesToSend, generateMeasurementEntry(entry))
+
+ message := messages.StdDefinedMessage{
+ Event: messages.Event{
+ CommonEventHeader: messages.CommonEventHeader{
+ Domain: "stndDefined",
+ StndDefinedNamespace: "o-ran-sc-du-hello-world-pm-streaming-oas3",
+ },
+ StndDefinedFields: messages.StndDefinedFields{
+ StndDefinedFieldsVersion: "1.0",
+ SchemaReference: "https://gerrit.o-ran-sc.org/r/gitweb?p=scp/oam/modeling.git;a=blob_plain;f=data-model/oas3/experimental/o-ran-sc-du-hello-world-oas3.json;hb=refs/heads/master",
+ Data: messages.Data{
+ DataId: "id",
+ Measurements: messagesToSend,
+ },
+ },
+ },
+ }
+
+ time.Sleep(time.Duration(rand.Intn(3)) * time.Second)
+ respondWithJSON(w, http.StatusOK, message)
+
+ messagesToSend = nil
+}
+
+func generateMeasurementEntry(entry *SliceAssuranceInformation) messages.Measurement {
+
+ measurementTypeInstanceReference := "/network-function/distributed-unit-functions[id='" + entry.duId + "']/cell[id='" + entry.cellId + "']/supported-measurements/performance-measurement-type[.='" + entry.metricName + "']/supported-snssai-subcounter-instances/slice-differentiator[.=" + strconv.Itoa(entry.sd) + "][slice-service-type=" + strconv.Itoa(entry.sst) + "]"
+ meas := messages.Measurement{
+
+ MeasurementTypeInstanceReference: measurementTypeInstanceReference,
+ Value: entry.metricValue,
+ Unit: "kbit/s",
+ }
+ return meas
+}
Code Review / nonrtric.git / blobdiff