+++ /dev/null
-/*
- * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-
-package org.opendaylight.controller.remote.rpc;
-
-import akka.actor.ActorRef;
-import akka.actor.Props;
-import com.google.common.base.Preconditions;
-import com.google.common.base.Throwables;
-import com.google.common.util.concurrent.FutureCallback;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
-import com.google.common.util.concurrent.MoreExecutors;
-import org.opendaylight.controller.cluster.common.actor.AbstractUntypedActor;
-import org.opendaylight.controller.remote.rpc.messages.ExecuteRpc;
-import org.opendaylight.controller.remote.rpc.messages.RpcResponse;
-import org.opendaylight.mdsal.dom.api.DOMRpcResult;
-import org.opendaylight.mdsal.dom.api.DOMRpcService;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-
-/**
- * Actor receiving invocation requests from remote nodes, routing them to
- * {@link DOMRpcService#invokeRpc(SchemaPath, NormalizedNode)}.
- */
-final class RpcInvoker extends AbstractUntypedActor {
- private final DOMRpcService rpcService;
-
- private RpcInvoker(final DOMRpcService rpcService) {
- this.rpcService = Preconditions.checkNotNull(rpcService);
- }
-
- public static Props props(final DOMRpcService rpcService) {
- Preconditions.checkNotNull(rpcService, "DOMRpcService can not be null");
- return Props.create(RpcInvoker.class, rpcService);
- }
-
- @Override
- protected void handleReceive(final Object message) {
- if (message instanceof ExecuteRpc) {
- executeRpc((ExecuteRpc) message);
- } else {
- unknownMessage(message);
- }
- }
-
- @SuppressWarnings("checkstyle:IllegalCatch")
- private void executeRpc(final ExecuteRpc msg) {
- LOG.debug("Executing rpc {}", msg.getRpc());
- final SchemaPath schemaPath = SchemaPath.create(true, msg.getRpc());
- final ActorRef sender = getSender();
- final ActorRef self = self();
-
- final ListenableFuture<DOMRpcResult> future;
- try {
- future = rpcService.invokeRpc(schemaPath, msg.getInputNormalizedNode());
- } catch (final RuntimeException e) {
- LOG.debug("Failed to invoke RPC {}", msg.getRpc(), e);
- sender.tell(new akka.actor.Status.Failure(e), sender);
- return;
- }
-
- Futures.addCallback(future, new FutureCallback<DOMRpcResult>() {
- @Override
- public void onSuccess(final DOMRpcResult result) {
- if (result == null) {
- // This shouldn't happen but the FutureCallback annotates the result param with Nullable so
- // handle null here to avoid FindBugs warning.
- LOG.debug("Got null DOMRpcResult - sending null response for execute rpc : {}", msg.getRpc());
- sender.tell(new RpcResponse(null), self);
- return;
- }
-
- if (!result.getErrors().isEmpty()) {
- final String message = String.format("Execution of RPC %s failed", msg.getRpc());
- sender.tell(new akka.actor.Status.Failure(new RpcErrorsException(message, result.getErrors())),
- self);
- } else {
- LOG.debug("Sending response for execute rpc : {}", msg.getRpc());
- sender.tell(new RpcResponse(result.getResult()), self);
- }
- }
-
- @Override
- public void onFailure(final Throwable failure) {
- LOG.debug("Failed to execute RPC {}", msg.getRpc(), failure);
- LOG.error("Failed to execute RPC {} due to {}. More details are available on DEBUG level.",
- msg.getRpc(), Throwables.getRootCause(failure).getMessage());
- sender.tell(new akka.actor.Status.Failure(failure), self);
- }
- }, MoreExecutors.directExecutor());
- }
-}