X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=nonrtric%2Frapp%2Fransliceassurance.git;a=blobdiff_plain;f=smoversion%2Finternal%2Fstructures%2Fsliceassurance.go;fp=smoversion%2Finternal%2Fstructures%2Fsliceassurance.go;h=d7c25569ae9baef83abe36bda8c4c54f456be4ee;hp=0000000000000000000000000000000000000000;hb=5542d26d709c996977d3992c58b273ce83e21e16;hpb=71e113b81dbc68694aec281c85c4472640dc8095

diff --git a/smoversion/internal/structures/sliceassurance.go b/smoversion/internal/structures/sliceassurance.go
new file mode 100644
index 0000000..d7c2556
--- /dev/null
+++ b/smoversion/internal/structures/sliceassurance.go
@@ -0,0 +1,144 @@
+// -
+//   ========================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 structures
+
+import (
+	"fmt"
+	"regexp"
+	"strconv"
+
+	log "github.com/sirupsen/logrus"
+	"oransc.org/usecase/oduclosedloop/messages"
+)
+
+type MapKey struct {
+	Duid string
+	sd   int
+	sst  int
+}
+
+type SliceAssuranceMeas struct {
+	Metrics  map[MapKey]*SliceMetric
+	Policies map[string]*PolicyRatio
+}
+
+func NewSliceAssuranceMeas() *SliceAssuranceMeas {
+	s := SliceAssuranceMeas{}
+	s.Metrics = make(map[MapKey]*SliceMetric)
+	s.Policies = make(map[string]*PolicyRatio)
+	return &s
+}
+
+func (sa *SliceAssuranceMeas) AddNewPolicy(duid string, rrmPolicyRatio messages.RRMPolicyRatio) {
+	for _, policyMember := range rrmPolicyRatio.RRMPolicyMembers {
+		metric := sa.GetSliceMetric(duid, policyMember.SliceDifferentiator, policyMember.SliceServiceType)
+		if metric != nil {
+			pr := NewPolicyRatio(rrmPolicyRatio.Id, rrmPolicyRatio.RRMPolicyMaxRatio, rrmPolicyRatio.RRMPolicyMinRatio, rrmPolicyRatio.RRMPolicyDedicatedRatio)
+			_, check := sa.Policies[pr.PolicyRatioId]
+			if !check {
+				log.Infof(" new policy has been added %+v", *pr)
+			}
+			sa.Policies[pr.PolicyRatioId] = pr
+			metric.RRMPolicyRatioId = rrmPolicyRatio.Id
+
+		}
+	}
+}
+
+func (sa *SliceAssuranceMeas) GetSliceMetric(duid string, sd int, sst int) *SliceMetric {
+	key := MapKey{duid, sd, sst}
+	value, check := sa.Metrics[key]
+
+	if check {
+		return value
+	}
+
+	return nil
+}
+
+func (sa *SliceAssuranceMeas) AddOrUpdateMetric(meas messages.Measurement) (string, error) {
+
+	var duid string
+	var sd, sst int
+
+	regex := *regexp.MustCompile(`\/(.*)network-function\/distributed-unit-functions\[id=\'(.*)\'\]\/cell\[id=\'(.*)\'\]\/supported-measurements\[performance-measurement-type=\'(.*)\'\]\/supported-snssai-subcounter-instances\[slice-differentiator=\'(\d+)\'\]\[slice-service-type=\'(\d+)\'\]`)
+	res := regex.FindAllStringSubmatch(meas.MeasurementTypeInstanceReference, -1)
+
+	if res != nil && len(res[0]) == 7 {
+		duid = res[0][2]
+		sd = toInt(res[0][5])
+		sst = toInt(res[0][6])
+
+		key := MapKey{duid, sd, sst}
+		value, check := sa.Metrics[key]
+
+		if check {
+			sa.updateMetric(key, value, res[0][4], meas.Value)
+		} else {
+			// Only add new one if value exceeds threshold
+			sa.addMetric(res, meas.Value)
+		}
+	} else {
+		return duid, fmt.Errorf(" wrong format for MeasurementTypeInstanceReference")
+	}
+	return duid, nil
+}
+
+func (sa *SliceAssuranceMeas) addMetric(res [][]string, metricValue int) {
+	if metricValue > 700 {
+		metric := NewSliceMetric(res[0][2], res[0][3], toInt(res[0][5]), toInt(res[0][6]))
+		metric.PM[res[0][3]] = metricValue
+		key := MapKey{res[0][2], toInt(res[0][5]), toInt(res[0][6])}
+		sa.Metrics[key] = metric
+		log.Infof(" new metric has been added %+v", *metric)
+	}
+}
+
+func (sa *SliceAssuranceMeas) updateMetric(key MapKey, value *SliceMetric, metricName string, metricValue int) {
+	if metricValue < 700 {
+		delete(sa.Metrics, key)
+		log.Infof(" metric with key %+v has been deleted", key)
+	} else {
+		value.PM[metricName] = metricValue
+		log.Infof(" metric value has been updated, new value: %v", metricValue)
+	}
+}
+
+func toInt(num string) int {
+	res, err := strconv.Atoi(num)
+	if err != nil {
+		return -1
+	}
+	return res
+}
+
+func (sa *SliceAssuranceMeas) PrintStructures() {
+	fmt.Printf("SliceAssurance Metrics: \n")
+	for key, metric := range sa.Metrics {
+		fmt.Printf("Key: %+v\n", key)
+		fmt.Printf("Metric: %+v\n", metric)
+	}
+	fmt.Printf("SliceAssurance Policies: \n")
+	for key, metric := range sa.Policies {
+		fmt.Printf("Key: %+v\n", key)
+		fmt.Printf("Metric: %+v\n", metric)
+	}
+}