Examples with McastRouteUpdate org.onosproject.mcast.api.McastRouteUpdate used on opensource projects

Example 1 with McastRouteUpdate

use of org.onosproject.mcast.api.McastRouteUpdate in project trellis-control by opennetworkinglab.

the class McastHandler method processMcastEventInternal.

private void processMcastEventInternal(McastEvent event) {
    lastMcastChange.set(Instant.now());
    // Current subject is null, for ROUTE_REMOVED events
    final McastRouteUpdate mcastUpdate = event.subject();
    final McastRouteUpdate mcastPrevUpdate = event.prevSubject();
    IpAddress mcastIp = mcastPrevUpdate.route().group();
    Set<ConnectPoint> prevSinks = mcastPrevUpdate.sinks().values().stream().flatMap(Collection::stream).collect(Collectors.toSet());
    Set<ConnectPoint> prevSources = mcastPrevUpdate.sources().values().stream().flatMap(Collection::stream).collect(Collectors.toSet());
    Set<ConnectPoint> sources;
    // Events handling
    if (event.type() == ROUTE_ADDED) {
        processRouteAddedInternal(mcastUpdate.route().group());
    } else if (event.type() == ROUTE_REMOVED) {
        processRouteRemovedInternal(prevSources, mcastIp);
    } else if (event.type() == SOURCES_ADDED) {
        // Current subject and prev just differ for the source connect points
        sources = mcastUpdate.sources().values().stream().flatMap(Collection::stream).collect(Collectors.toSet());
        Set<ConnectPoint> sourcesToBeAdded = Sets.difference(sources, prevSources);
        processSourcesAddedInternal(sourcesToBeAdded, mcastIp, mcastUpdate.sinks());
    } else if (event.type() == SOURCES_REMOVED) {
        // Current subject and prev just differ for the source connect points
        sources = mcastUpdate.sources().values().stream().flatMap(Collection::stream).collect(Collectors.toSet());
        Set<ConnectPoint> sourcesToBeRemoved = Sets.difference(prevSources, sources);
        processSourcesRemovedInternal(sourcesToBeRemoved, sources, mcastIp, mcastUpdate.sinks());
    } else if (event.type() == SINKS_ADDED) {
        processSinksAddedInternal(prevSources, mcastIp, mcastUpdate.sinks(), prevSinks);
    } else if (event.type() == SINKS_REMOVED) {
        processSinksRemovedInternal(prevSources, mcastIp, mcastUpdate.sinks(), mcastPrevUpdate.sinks());
    } else {
        log.warn("Event {} not handled", event);
    }
}