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Support source-specific IGMP joins.

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Change-Id: I422f54f908998460ceff994f9b3bfbf3d2f81a56
This commit is contained in:
Jonathan Hart 2016-04-27 10:09:33 -07:00 committed by Gerrit Code Review
parent 4752cfa906
commit 81b091424e
1 changed files with 40 additions and 15 deletions
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55
apps/igmp/src/main/java/org/onosproject/igmp/IgmpSnoop.java
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@ -320,32 +320,57 @@ public class IgmpSnoop {
IGMPMembership membership = (IGMPMembership) group; IGMPMembership membership = (IGMPMembership) group;
// TODO allow pulling source from IGMP packet IpAddress groupAddress = membership.getGaddr();
IpAddress source = ssmTranslateTable.get(group.getGaddr());
if (source == null) {
log.warn("No source found in SSM translate table for {}", group.getGaddr());
return;
}
McastRoute route = new McastRoute(source,
group.getGaddr(),
McastRoute.Type.IGMP);
if (membership.getRecordType() == IGMPMembership.MODE_IS_INCLUDE || if (membership.getRecordType() == IGMPMembership.MODE_IS_INCLUDE ||
membership.getRecordType() == IGMPMembership.CHANGE_TO_INCLUDE_MODE) { membership.getRecordType() == IGMPMembership.CHANGE_TO_INCLUDE_MODE) {
multicastService.removeSink(route, location); if (membership.getSources().isEmpty()) {
// TODO remove route if all sinks are gone McastRoute route = ssmTranslateRoute(groupAddress);
if (route != null) {
removeRoute(route, location);
}
} else {
membership.getSources().stream()
.map(source -> new McastRoute(source, groupAddress, McastRoute.Type.IGMP))
.forEach(route -> addRoute(route, location));
}
} else if (membership.getRecordType() == IGMPMembership.MODE_IS_EXCLUDE || } else if (membership.getRecordType() == IGMPMembership.MODE_IS_EXCLUDE ||
membership.getRecordType() == IGMPMembership.CHANGE_TO_EXCLUDE_MODE) { membership.getRecordType() == IGMPMembership.CHANGE_TO_EXCLUDE_MODE) {
multicastService.add(route); if (membership.getSources().isEmpty()) {
multicastService.addSink(route, location); McastRoute route = ssmTranslateRoute(groupAddress);
if (route != null) {
addRoute(route, location);
}
} else {
membership.getSources().stream()
.map(source -> new McastRoute(source, groupAddress, McastRoute.Type.IGMP))
.forEach(route -> removeRoute(route, location));
}
} }
}); });
} }
private McastRoute ssmTranslateRoute(IpAddress group) {
IpAddress source = ssmTranslateTable.get(group);
if (source == null) {
log.warn("No SSM translate source found for group {}", group);
return null;
}
return new McastRoute(source, group, McastRoute.Type.IGMP);
}
private void addRoute(McastRoute route, ConnectPoint location) {
multicastService.add(route);
multicastService.addSink(route, location);
}
private void removeRoute(McastRoute route, ConnectPoint location) {
multicastService.removeSink(route, location);
// TODO remove route if all sinks are gone
}
private ByteBuffer buildQueryPacket() { private ByteBuffer buildQueryPacket() {
IGMP igmp = new IGMP(); IGMP igmp = new IGMP();
igmp.setIgmpType(IGMP.TYPE_IGMPV3_MEMBERSHIP_QUERY); igmp.setIgmpType(IGMP.TYPE_IGMPV3_MEMBERSHIP_QUERY);