X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=capifcore%2Finternal%2Feventservice%2Feventservice.go;h=1d63a453ab63608e4888374e3082ae65f4203ec8;hb=refs%2Ftags%2F1.0.1;hp=ae35cc0d7833fcb69a9cf483fa01544fd73aa06a;hpb=2effa31635f1b8349c02b4c1c546bfc67e8797d3;p=nonrtric%2Fplt%2Fsme.git

diff --git a/capifcore/internal/eventservice/eventservice.go b/capifcore/internal/eventservice/eventservice.go
index ae35cc0..1d63a45 100644
--- a/capifcore/internal/eventservice/eventservice.go
+++ b/capifcore/internal/eventservice/eventservice.go
@@ -30,8 +30,10 @@ import (
 
 	"github.com/labstack/echo/v4"
 	log "github.com/sirupsen/logrus"
+	"k8s.io/utils/strings/slices"
 	"oransc.org/nonrtric/capifcore/internal/common29122"
 	"oransc.org/nonrtric/capifcore/internal/eventsapi"
+	"oransc.org/nonrtric/capifcore/internal/publishserviceapi"
 	"oransc.org/nonrtric/capifcore/internal/restclient"
 )
 
@@ -72,6 +74,11 @@ func (es *EventService) PostSubscriberIdSubscriptions(ctx echo.Context, subscrib
 	if err != nil {
 		return sendCoreError(ctx, http.StatusBadRequest, fmt.Sprintf(errMsg, err))
 	}
+
+	if err := newSubscription.Validate(); err != nil {
+		return sendCoreError(ctx, http.StatusBadRequest, fmt.Sprintf(errMsg, err))
+	}
+
 	uri := ctx.Request().Host + ctx.Request().URL.String()
 	subId := es.getSubscriptionId(subscriberId)
 	es.addSubscription(subId, newSubscription)
@@ -86,18 +93,22 @@ func (es *EventService) PostSubscriberIdSubscriptions(ctx echo.Context, subscrib
 }
 
 func (es *EventService) DeleteSubscriberIdSubscriptionsSubscriptionId(ctx echo.Context, subscriberId string, subscriptionId string) error {
-	es.lock.Lock()
-	defer es.lock.Unlock()
 
 	log.Debug(es.subscriptions)
 	if _, ok := es.subscriptions[subscriptionId]; ok {
-		log.Debug("Deleting subscription", subscriptionId)
-		delete(es.subscriptions, subscriptionId)
+		es.deleteSubscription(subscriptionId)
 	}
 
 	return ctx.NoContent(http.StatusNoContent)
 }
 
+func (es *EventService) deleteSubscription(subscriptionId string) {
+	log.Debug("Deleting subscription", subscriptionId)
+	es.lock.Lock()
+	defer es.lock.Unlock()
+	delete(es.subscriptions, subscriptionId)
+}
+
 func getEventSubscriptionFromRequest(ctx echo.Context) (eventsapi.EventSubscription, error) {
 	var subscription eventsapi.EventSubscription
 	err := ctx.Bind(&subscription)
@@ -108,13 +119,99 @@ func getEventSubscriptionFromRequest(ctx echo.Context) (eventsapi.EventSubscript
 }
 
 func (es *EventService) handleEvent(event eventsapi.EventNotification) {
-	subscription := es.getSubscription(event.SubscriptionId)
-	if subscription != nil {
-		e, _ := json.Marshal(event)
-		if error := restclient.Put(string(subscription.NotificationDestination), []byte(e), es.client); error != nil {
-			log.Error("Unable to send event")
+	subsIds := es.getMatchingSubs(event)
+	for _, subId := range subsIds {
+		go es.sendEvent(event, subId)
+	}
+}
+
+func (es *EventService) sendEvent(event eventsapi.EventNotification, subscriptionId string) {
+	event.SubscriptionId = subscriptionId
+	e, _ := json.Marshal(event)
+	if error := restclient.Put(string(es.subscriptions[subscriptionId].NotificationDestination), []byte(e), es.client); error != nil {
+		log.Error("Unable to send event")
+	}
+}
+
+func (es *EventService) getMatchingSubs(event eventsapi.EventNotification) []string {
+	es.lock.Lock()
+	defer es.lock.Unlock()
+	matchingTypeSubs := es.filterOnEventType(event)
+	matchingSubs := []string{}
+	for _, subId := range matchingTypeSubs {
+		subscription := es.subscriptions[subId]
+		if subscription.EventFilters == nil || event.EventDetail == nil {
+			matchingSubs = append(matchingSubs, subId)
+		} else if matchesFilters(event.EventDetail.ApiIds, *subscription.EventFilters, getApiIdsFromFilter) &&
+			matchesFilters(event.EventDetail.ApiInvokerIds, *subscription.EventFilters, getInvokerIdsFromFilter) &&
+			matchesFilters(getAefIdsFromEvent(event.EventDetail.ServiceAPIDescriptions), *subscription.EventFilters, getAefIdsFromFilter) {
+			matchingSubs = append(matchingSubs, subId)
+		}
+	}
+
+	return matchingSubs
+}
+
+func (es *EventService) filterOnEventType(event eventsapi.EventNotification) []string {
+	matchingSubs := []string{}
+	for subId, subInfo := range es.subscriptions {
+		if slices.Contains(asStrings(subInfo.Events), string(event.Events)) {
+			matchingSubs = append(matchingSubs, subId)
+		}
+	}
+	return matchingSubs
+}
+
+func matchesFilters(eventIds *[]string, filters []eventsapi.CAPIFEventFilter, getIds func(eventsapi.CAPIFEventFilter) *[]string) bool {
+	if len(filters) == 0 || eventIds == nil {
+		return true
+	}
+	for _, id := range *eventIds {
+		filter := filters[0]
+		filterIds := getIds(filter)
+		if filterIds == nil || len(*filterIds) == 0 {
+			return matchesFilters(eventIds, filters[1:], getIds)
+		} else {
+			return slices.Contains(*getIds(filter), id) && matchesFilters(eventIds, filters[1:], getIds)
+		}
+	}
+	return true
+}
+
+func getApiIdsFromFilter(filter eventsapi.CAPIFEventFilter) *[]string {
+	return filter.ApiIds
+}
+
+func getInvokerIdsFromFilter(filter eventsapi.CAPIFEventFilter) *[]string {
+	return filter.ApiInvokerIds
+}
+
+func getAefIdsFromEvent(serviceAPIDescriptions *[]publishserviceapi.ServiceAPIDescription) *[]string {
+	aefIds := []string{}
+	if serviceAPIDescriptions == nil {
+		return &aefIds
+	}
+	for _, serviceDescription := range *serviceAPIDescriptions {
+		if serviceDescription.AefProfiles == nil {
+			return &aefIds
+		}
+		for _, profile := range *serviceDescription.AefProfiles {
+			aefIds = append(aefIds, profile.AefId)
 		}
 	}
+	return &aefIds
+}
+
+func getAefIdsFromFilter(filter eventsapi.CAPIFEventFilter) *[]string {
+	return filter.AefIds
+}
+
+func asStrings(events []eventsapi.CAPIFEvent) []string {
+	asStrings := make([]string, len(events))
+	for i, event := range events {
+		asStrings[i] = string(event)
+	}
+	return asStrings
 }
 
 func (es *EventService) getSubscriptionId(subscriberId string) string {
@@ -124,8 +221,8 @@ func (es *EventService) getSubscriptionId(subscriberId string) string {
 
 func (es *EventService) addSubscription(subId string, subscription eventsapi.EventSubscription) {
 	es.lock.Lock()
+	defer es.lock.Unlock()
 	es.subscriptions[subId] = subscription
-	es.lock.Unlock()
 }
 
 func (es *EventService) getSubscription(subId string) *eventsapi.EventSubscription {