package org.opendaylight.controller.remote.rpc.registry;
import akka.actor.ActorRef;
-import akka.japi.Option;
-import akka.japi.Pair;
+import akka.actor.Address;
+import akka.actor.Props;
import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Optional;
+import java.util.Set;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
+import org.opendaylight.controller.remote.rpc.RemoteRpcProviderConfig;
+import org.opendaylight.controller.remote.rpc.RouteIdentifierImpl;
import org.opendaylight.controller.remote.rpc.registry.RpcRegistry.Messages.AddOrUpdateRoutes;
-import org.opendaylight.controller.remote.rpc.registry.RpcRegistry.Messages.FindRouters;
import org.opendaylight.controller.remote.rpc.registry.RpcRegistry.Messages.RemoveRoutes;
-import org.opendaylight.controller.remote.rpc.registry.RpcRegistry.Messages.SetLocalRouter;
+import org.opendaylight.controller.remote.rpc.registry.RpcRegistry.Messages.UpdateRemoteEndpoints;
import org.opendaylight.controller.remote.rpc.registry.gossip.Bucket;
import org.opendaylight.controller.remote.rpc.registry.gossip.BucketStore;
-import org.opendaylight.controller.sal.connector.api.RpcRouter;
import org.opendaylight.controller.sal.connector.api.RpcRouter.RouteIdentifier;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
/**
- * Registry to look up cluster nodes that have registered for a given rpc.
- * <p/>
+ * Registry to look up cluster nodes that have registered for a given RPC.
+ *
+ * <p>
* It uses {@link org.opendaylight.controller.remote.rpc.registry.gossip.BucketStore} to maintain this
* cluster wide information.
*/
public class RpcRegistry extends BucketStore<RoutingTable> {
+ private final ActorRef rpcRegistrar;
- public RpcRegistry() {
- getLocalBucket().setData(new RoutingTable());
+ public RpcRegistry(final RemoteRpcProviderConfig config, final ActorRef rpcInvoker, final ActorRef rpcRegistrar) {
+ super(config, new RoutingTable(rpcInvoker));
+ this.rpcRegistrar = Preconditions.checkNotNull(rpcRegistrar);
}
- @Override
- protected void handleReceive(Object message) throws Exception {
- //TODO: if sender is remote, reject message
+ /**
+ * Create a new props instance for instantiating an RpcRegistry actor.
+ *
+ * @param config Provider configuration
+ * @param rpcRegistrar Local RPC provider interface, used to register routers to remote nodes
+ * @param rpcInvoker Actor handling RPC invocation requests from remote nodes
+ * @return A new {@link Props} instance
+ */
+ public static Props props(final RemoteRpcProviderConfig config, final ActorRef rpcInvoker,
+ final ActorRef rpcRegistrar) {
+ return Props.create(RpcRegistry.class, config, rpcInvoker, rpcRegistrar);
+ }
- if (message instanceof SetLocalRouter) {
- receiveSetLocalRouter((SetLocalRouter) message);
- } else if (message instanceof AddOrUpdateRoutes) {
+ @Override
+ protected void handleReceive(final Object message) throws Exception {
+ if (message instanceof AddOrUpdateRoutes) {
receiveAddRoutes((AddOrUpdateRoutes) message);
} else if (message instanceof RemoveRoutes) {
receiveRemoveRoutes((RemoveRoutes) message);
- } else if (message instanceof Messages.FindRouters) {
- receiveGetRouter((FindRouters) message);
} else {
super.handleReceive(message);
}
}
- /**
- * Register's rpc broker
- *
- * @param message contains {@link akka.actor.ActorRef} for rpc broker
- */
- private void receiveSetLocalRouter(SetLocalRouter message) {
- getLocalBucket().getData().setRouter(message.getRouter());
+ private void receiveAddRoutes(final AddOrUpdateRoutes msg) {
+ LOG.debug("AddOrUpdateRoutes: {}", msg.getRouteIdentifiers());
+ updateLocalBucket(getLocalBucket().getData().addRpcs(msg.getRouteIdentifiers()));
}
/**
- * @param msg
+ * Processes a RemoveRoutes message.
+ *
+ * @param msg contains list of route ids to remove
*/
- private void receiveAddRoutes(AddOrUpdateRoutes msg) {
-
- log.debug("AddOrUpdateRoutes: {}", msg.getRouteIdentifiers());
-
- RoutingTable table = getLocalBucket().getData().copy();
- for(RpcRouter.RouteIdentifier<?, ?, ?> routeId : msg.getRouteIdentifiers()) {
- table.addRoute(routeId);
- }
+ private void receiveRemoveRoutes(final RemoveRoutes msg) {
+ LOG.debug("RemoveRoutes: {}", msg.getRouteIdentifiers());
+ updateLocalBucket(getLocalBucket().getData().removeRpcs(msg.getRouteIdentifiers()));
+ }
- updateLocalBucket(table);
+ @Override
+ protected void onBucketRemoved(final Address address, final Bucket<RoutingTable> bucket) {
+ rpcRegistrar.tell(new UpdateRemoteEndpoints(ImmutableMap.of(address, Optional.empty())), ActorRef.noSender());
}
- /**
- * @param msg contains list of route ids to remove
- */
- private void receiveRemoveRoutes(RemoveRoutes msg) {
+ @Override
+ protected void onBucketsUpdated(final Map<Address, Bucket<RoutingTable>> buckets) {
+ final Map<Address, Optional<RemoteRpcEndpoint>> endpoints = new HashMap<>(buckets.size());
+
+ for (Entry<Address, Bucket<RoutingTable>> e : buckets.entrySet()) {
+ final RoutingTable table = e.getValue().getData();
+
+ final List<DOMRpcIdentifier> rpcs = new ArrayList<>(table.getRoutes().size());
+ for (RouteIdentifier<?, ?, ?> ri : table.getRoutes()) {
+ if (ri instanceof RouteIdentifierImpl) {
+ final RouteIdentifierImpl id = (RouteIdentifierImpl) ri;
+ rpcs.add(DOMRpcIdentifier.create(SchemaPath.create(true, id.getType()), id.getRoute()));
+ } else {
+ LOG.warn("Skipping unsupported route {} from {}", ri, e.getKey());
+ }
+ }
- RoutingTable table = getLocalBucket().getData().copy();
- for (RpcRouter.RouteIdentifier<?, ?, ?> routeId : msg.getRouteIdentifiers()) {
- table.removeRoute(routeId);
+ endpoints.put(e.getKey(), rpcs.isEmpty() ? Optional.empty()
+ : Optional.of(new RemoteRpcEndpoint(table.getRpcInvoker(), rpcs)));
}
- updateLocalBucket(table);
+ if (!endpoints.isEmpty()) {
+ rpcRegistrar.tell(new UpdateRemoteEndpoints(endpoints), ActorRef.noSender());
+ }
}
- /**
- * Finds routers for the given rpc.
- *
- * @param msg
- */
- private void receiveGetRouter(FindRouters msg) {
- List<Pair<ActorRef, Long>> routers = new ArrayList<>();
+ public static final class RemoteRpcEndpoint {
+ private final Set<DOMRpcIdentifier> rpcs;
+ private final ActorRef router;
- RouteIdentifier<?, ?, ?> routeId = msg.getRouteIdentifier();
- findRoutes(getLocalBucket().getData(), routeId, routers);
-
- for(Bucket<RoutingTable> bucket : getRemoteBuckets().values()) {
- findRoutes(bucket.getData(), routeId, routers);
+ RemoteRpcEndpoint(final ActorRef router, final Collection<DOMRpcIdentifier> rpcs) {
+ this.router = Preconditions.checkNotNull(router);
+ this.rpcs = ImmutableSet.copyOf(rpcs);
}
- getSender().tell(new Messages.FindRoutersReply(routers), getSelf());
- }
-
- private void findRoutes(RoutingTable table, RpcRouter.RouteIdentifier<?, ?, ?> routeId,
- List<Pair<ActorRef, Long>> routers) {
- if (table == null) {
- return;
+ public ActorRef getRouter() {
+ return router;
}
- Option<Pair<ActorRef, Long>> routerWithUpdateTime = table.getRouterFor(routeId);
- if(!routerWithUpdateTime.isEmpty()) {
- routers.add(routerWithUpdateTime.get());
+ public Set<DOMRpcIdentifier> getRpcs() {
+ return rpcs;
}
}
/**
- * All messages used by the RpcRegistry
+ * All messages used by the RpcRegistry.
*/
public static class Messages {
+ abstract static class AbstractRouteMessage {
+ final List<RouteIdentifier<?, ?, ?>> routeIdentifiers;
-
- public static class ContainsRoute {
- final List<RpcRouter.RouteIdentifier<?, ?, ?>> routeIdentifiers;
-
- public ContainsRoute(List<RpcRouter.RouteIdentifier<?, ?, ?>> routeIdentifiers) {
- Preconditions.checkArgument(routeIdentifiers != null &&
- !routeIdentifiers.isEmpty(),
- "Route Identifiers must be supplied");
+ AbstractRouteMessage(final List<RouteIdentifier<?, ?, ?>> routeIdentifiers) {
+ Preconditions.checkArgument(routeIdentifiers != null && !routeIdentifiers.isEmpty(),
+ "Route Identifiers must be supplied");
this.routeIdentifiers = routeIdentifiers;
}
- public List<RpcRouter.RouteIdentifier<?, ?, ?>> getRouteIdentifiers() {
+ List<RouteIdentifier<?, ?, ?>> getRouteIdentifiers() {
return this.routeIdentifiers;
}
@Override
public String toString() {
- return "ContainsRoute{" +
- "routeIdentifiers=" + routeIdentifiers +
- '}';
+ return "ContainsRoute{" + "routeIdentifiers=" + routeIdentifiers + '}';
}
}
- public static class AddOrUpdateRoutes extends ContainsRoute {
-
- public AddOrUpdateRoutes(List<RpcRouter.RouteIdentifier<?, ?, ?>> routeIdentifiers) {
+ public static final class AddOrUpdateRoutes extends AbstractRouteMessage {
+ public AddOrUpdateRoutes(final List<RouteIdentifier<?, ?, ?>> routeIdentifiers) {
super(routeIdentifiers);
}
}
- public static class RemoveRoutes extends ContainsRoute {
-
- public RemoveRoutes(List<RpcRouter.RouteIdentifier<?, ?, ?>> routeIdentifiers) {
+ public static final class RemoveRoutes extends AbstractRouteMessage {
+ public RemoveRoutes(final List<RouteIdentifier<?, ?, ?>> routeIdentifiers) {
super(routeIdentifiers);
}
}
- public static class SetLocalRouter {
- private final ActorRef router;
-
- public SetLocalRouter(ActorRef router) {
- Preconditions.checkArgument(router != null, "Router must not be null");
- this.router = router;
- }
-
- public ActorRef getRouter() {
- return this.router;
- }
-
- @Override
- public String toString() {
- return "SetLocalRouter{" +
- "router=" + router +
- '}';
- }
- }
-
- public static class FindRouters {
- private final RpcRouter.RouteIdentifier<?, ?, ?> routeIdentifier;
+ public static final class UpdateRemoteEndpoints {
+ private final Map<Address, Optional<RemoteRpcEndpoint>> endpoints;
- public FindRouters(RpcRouter.RouteIdentifier<?, ?, ?> routeIdentifier) {
- Preconditions.checkArgument(routeIdentifier != null, "Route must not be null");
- this.routeIdentifier = routeIdentifier;
+ UpdateRemoteEndpoints(final Map<Address, Optional<RemoteRpcEndpoint>> endpoints) {
+ this.endpoints = ImmutableMap.copyOf(endpoints);
}
- public RpcRouter.RouteIdentifier<?, ?, ?> getRouteIdentifier() {
- return routeIdentifier;
- }
-
- @Override
- public String toString() {
- return "FindRouters{" +
- "routeIdentifier=" + routeIdentifier +
- '}';
- }
- }
-
- public static class FindRoutersReply {
- final List<Pair<ActorRef, Long>> routerWithUpdateTime;
-
- public FindRoutersReply(List<Pair<ActorRef, Long>> routerWithUpdateTime) {
- Preconditions.checkArgument(routerWithUpdateTime != null, "List of routers found must not be null");
- this.routerWithUpdateTime = routerWithUpdateTime;
- }
-
- public List<Pair<ActorRef, Long>> getRouterWithUpdateTime() {
- return routerWithUpdateTime;
- }
-
- @Override
- public String toString() {
- return "FindRoutersReply{" +
- "routerWithUpdateTime=" + routerWithUpdateTime +
- '}';
+ public Map<Address, Optional<RemoteRpcEndpoint>> getEndpoints() {
+ return endpoints;
}
}
}
Code Review / controller.git / blobdiff