use of org.onosproject.segmentrouting.pwaas.L2TunnelHandler.Direction.FWD in project trellis-control by opennetworkinglab.
the class DefaultL2TunnelHandler method deployPseudoWireTerm.
/**
* Handles the tunnel termination, which consists in the creation
* of a forwarding objective and a next objective.
*
* @param l2Tunnel the tunnel to terminate
* @param egress the egress point
* @param egressVlan the expected vlan at egress
* @param direction the direction
* @return the result of the operation
*/
private Result deployPseudoWireTerm(L2Tunnel l2Tunnel, ConnectPoint egress, VlanId egressVlan, Direction direction, boolean oneHop) {
log.debug("Started deploying termination objectives for pseudowire {} , direction {}.", l2Tunnel.tunnelId(), direction == FWD ? "forward" : "reverse");
// We create the group relative to the termination.
NextObjective.Builder nextObjectiveBuilder = createNextObjective(TERMINATION, egress, null, l2Tunnel, egress.deviceId(), oneHop, egressVlan);
if (nextObjectiveBuilder == null) {
return INTERNAL_ERROR;
}
TrafficSelector metadata = DefaultTrafficSelector.builder().matchVlanId(egressVlan).build();
nextObjectiveBuilder.withMeta(metadata);
int nextId = srManager.flowObjectiveService.allocateNextId();
if (nextId < 0) {
log.warn("Not able to allocate a next id for initiation");
return INTERNAL_ERROR;
}
nextObjectiveBuilder.withId(nextId);
String key = generateKey(l2Tunnel.tunnelId(), direction);
l2TerminationNextObjStore.put(key, nextObjectiveBuilder.add());
ObjectiveContext context = new DefaultObjectiveContext((objective) -> log.debug("Termination l2 tunnel rule for {} populated", l2Tunnel.tunnelId()), (objective, error) -> {
log.warn("Failed to populate termination l2 tunnel rule for {}: {}", l2Tunnel.tunnelId(), error);
srManager.invalidateNextObj(objective.id());
});
NextObjective nextObjective = nextObjectiveBuilder.add(context);
srManager.flowObjectiveService.next(egress.deviceId(), nextObjective);
log.debug("Termination next objective for {} not found. Creating new NextObj with id={}", l2Tunnel.tunnelId(), nextObjective.id());
// We create the flow relative to the termination.
ForwardingObjective.Builder fwdBuilder = createTermFwdObjective(l2Tunnel.pwLabel(), l2Tunnel.tunnelId(), egress.port(), nextObjective.id());
context = new DefaultObjectiveContext((objective) -> log.debug("FwdObj for tunnel termination {} populated", l2Tunnel.tunnelId()), (objective, error) -> log.warn("Failed to populate fwdrObj" + " for tunnel termination {} : {}", l2Tunnel.tunnelId(), error));
srManager.flowObjectiveService.forward(egress.deviceId(), fwdBuilder.add(context));
log.debug("Creating new FwdObj for termination NextObj with id={} for tunnel {}", nextId, l2Tunnel.tunnelId());
return SUCCESS;
}
Aggregations