X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-remoterpc-connector%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fremote%2Frpc%2FRemoteRpcImplementation.java;h=45a847f975cfe0debcaa457a59ae862f86e18fd2;hb=91cbd66f53b89d89e419bf23e6969da1f8df137e;hp=11f145ce1ee02e4f2268186961658ae53a2a926e;hpb=4258ff0d490fc27658ab53dd71bf96c7aa981b13;p=controller.git

diff --git a/opendaylight/md-sal/sal-remoterpc-connector/src/main/java/org/opendaylight/controller/remote/rpc/RemoteRpcImplementation.java b/opendaylight/md-sal/sal-remoterpc-connector/src/main/java/org/opendaylight/controller/remote/rpc/RemoteRpcImplementation.java
index 11f145ce1e..45a847f975 100644
--- a/opendaylight/md-sal/sal-remoterpc-connector/src/main/java/org/opendaylight/controller/remote/rpc/RemoteRpcImplementation.java
+++ b/opendaylight/md-sal/sal-remoterpc-connector/src/main/java/org/opendaylight/controller/remote/rpc/RemoteRpcImplementation.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others.  All rights reserved.
+ * Copyright (c) 2014, 2017 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,
@@ -8,81 +8,44 @@
 
 package org.opendaylight.controller.remote.rpc;
 
-import static akka.pattern.Patterns.ask;
-
 import akka.actor.ActorRef;
-import akka.dispatch.OnComplete;
-import akka.japi.Pair;
-import com.google.common.util.concurrent.CheckedFuture;
-import com.google.common.util.concurrent.Futures;
-import java.util.List;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementation;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationNotAvailableException;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
+import akka.pattern.Patterns;
+import akka.util.Timeout;
+import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.FluentFuture;
 import org.opendaylight.controller.remote.rpc.messages.ExecuteRpc;
-import org.opendaylight.controller.remote.rpc.registry.RpcRegistry;
-import org.opendaylight.controller.remote.rpc.registry.RpcRegistry.Messages.FindRoutersReply;
-import org.opendaylight.controller.remote.rpc.utils.LatestEntryRoutingLogic;
-import org.opendaylight.controller.sal.connector.api.RpcRouter;
+import org.opendaylight.mdsal.dom.api.DOMRpcIdentifier;
+import org.opendaylight.mdsal.dom.api.DOMRpcImplementation;
+import org.opendaylight.mdsal.dom.api.DOMRpcResult;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import scala.concurrent.ExecutionContext;
-import scala.concurrent.Future;
 
-public class RemoteRpcImplementation implements DOMRpcImplementation {
-    private static final Logger LOG = LoggerFactory.getLogger(RemoteRpcImplementation.class);
+/**
+ * A {@link DOMRpcImplementation} which routes invocation requests to a remote invoker actor.
+ *
+ * @author Robert Varga
+ */
+final class RemoteRpcImplementation implements DOMRpcImplementation {
+    // 0 for local, 1 for binding, 2 for remote
+    private static final long COST = 2;
 
-    private final ActorRef rpcRegistry;
-    private final RemoteRpcProviderConfig config;
+    private final ActorRef remoteInvoker;
+    private final Timeout askDuration;
 
-    public RemoteRpcImplementation(final ActorRef rpcRegistry, final RemoteRpcProviderConfig config) {
-        this.config = config;
-        this.rpcRegistry = rpcRegistry;
+    RemoteRpcImplementation(final ActorRef remoteInvoker, final RemoteRpcProviderConfig config) {
+        this.remoteInvoker = Preconditions.checkNotNull(remoteInvoker);
+        this.askDuration = config.getAskDuration();
     }
 
     @Override
-    public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(final DOMRpcIdentifier rpc,
+    public FluentFuture<DOMRpcResult> invokeRpc(final DOMRpcIdentifier rpc,
             final NormalizedNode<?, ?> input) {
-        if (input instanceof RemoteRpcInput) {
-            LOG.warn("Rpc {} was removed during execution or there is loop present. Failing received rpc.", rpc);
-            return Futures.<DOMRpcResult, DOMRpcException>immediateFailedCheckedFuture(
-                    new DOMRpcImplementationNotAvailableException(
-                            "Rpc implementation for {} was removed during processing.", rpc));
-        }
-        final RemoteDOMRpcFuture frontEndFuture = RemoteDOMRpcFuture.create(rpc.getType().getLastComponent());
-        findRouteAsync(rpc).onComplete(new OnComplete<FindRoutersReply>() {
-
-            @Override
-            public void onComplete(final Throwable error, final FindRoutersReply routes) throws Throwable {
-                if (error != null) {
-                    frontEndFuture.failNow(error);
-                } else {
-                    final List<Pair<ActorRef, Long>> routePairs = routes.getRouterWithUpdateTime();
-                    if (routePairs == null || routePairs.isEmpty()) {
-                        frontEndFuture.failNow(new DOMRpcImplementationNotAvailableException(
-                                "No local or remote implementation available for rpc %s", rpc.getType()));
-                    } else {
-                        final ActorRef remoteImplRef = new LatestEntryRoutingLogic(routePairs).select();
-                        final Object executeRpcMessage = ExecuteRpc.from(rpc, input);
-                        LOG.debug("Found remote actor {} for rpc {} - sending {}", remoteImplRef, rpc.getType(),
-                                executeRpcMessage);
-                        frontEndFuture.completeWith(ask(remoteImplRef, executeRpcMessage, config.getAskDuration()));
-                    }
-                }
-            }
-        }, ExecutionContext.Implicits$.MODULE$.global());
-        return frontEndFuture;
+        final RemoteDOMRpcFuture ret = RemoteDOMRpcFuture.create(rpc.getType().getLastComponent());
+        ret.completeWith(Patterns.ask(remoteInvoker, ExecuteRpc.from(rpc, input), askDuration));
+        return ret;
     }
 
-    @SuppressWarnings({"unchecked", "rawtypes"})
-    private Future<FindRoutersReply> findRouteAsync(final DOMRpcIdentifier rpc) {
-        // FIXME: Refactor routeId and message to use DOMRpcIdentifier directly.
-        final RpcRouter.RouteIdentifier<?, ?, ?> routeId =
-                new RouteIdentifierImpl(null, rpc.getType().getLastComponent(), rpc.getContextReference());
-        final RpcRegistry.Messages.FindRouters findMsg = new RpcRegistry.Messages.FindRouters(routeId);
-        return (Future) ask(rpcRegistry, findMsg, config.getAskDuration());
+    @Override
+    public long invocationCost() {
+        return COST;
     }
 }