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=360ac68a519f29695410ef50115ddc98c90f2343;hpb=55d223f2e807077b5c876b8e3ef853628f9ca697;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 360ac68a51..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
@@ -1,87 +1,51 @@
+/*
+ * 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,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
 package org.opendaylight.controller.remote.rpc;
 
-import static akka.pattern.Patterns.ask;
 import akka.actor.ActorRef;
-import akka.dispatch.OnComplete;
-import com.google.common.util.concurrent.CheckedFuture;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.JdkFutureAdapters;
-import com.google.common.util.concurrent.ListenableFuture;
-import com.google.common.util.concurrent.SettableFuture;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.concurrent.ExecutionException;
-import org.opendaylight.controller.cluster.datastore.node.utils.serialization.NormalizedNodeSerializer;
-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 org.opendaylight.controller.md.sal.dom.spi.DefaultDOMRpcResult;
-import org.opendaylight.controller.remote.rpc.messages.InvokeRpc;
-import org.opendaylight.controller.remote.rpc.messages.RpcResponse;
-import org.opendaylight.yangtools.yang.common.RpcError;
-import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
-import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
+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.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;
-
-public class RemoteRpcImplementation implements DOMRpcImplementation {
-    private static final Logger LOG = LoggerFactory.getLogger(RemoteRpcImplementation.class);
-    private final ActorRef rpcBroker;
-    private final RemoteRpcProviderConfig config;
 
-    public RemoteRpcImplementation(final ActorRef rpcBroker, final RemoteRpcProviderConfig config) {
-        this.rpcBroker = rpcBroker;
-        this.config = config;
+/**
+ * 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 remoteInvoker;
+    private final Timeout askDuration;
+
+    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, final NormalizedNode<?, ?> input) {
-        final InvokeRpc rpcMsg = new InvokeRpc(rpc.getType().getLastComponent(), rpc.getContextReference(), input);
-
-        final SettableFuture<DOMRpcResult> settableFuture = SettableFuture.create();
-
-        final ListenableFuture<DOMRpcResult> listenableFuture =
-                JdkFutureAdapters.listenInPoolThread(settableFuture);
-
-        final scala.concurrent.Future<Object> future = ask(rpcBroker, rpcMsg, config.getAskDuration());
-
-        final OnComplete<Object> onComplete = new OnComplete<Object>() {
-            @Override
-            public void onComplete(final Throwable failure, final Object reply) throws Throwable {
-                if(failure != null) {
-                    LOG.error("InvokeRpc failed", failure);
-
-                    final String message = String.format("Execution of RPC %s failed",  rpcMsg.getRpc());
-                    Collection<RpcError> errors = ((RpcErrorsException)failure).getRpcErrors();
-                    if(errors == null || errors.size() == 0) {
-                        errors = Arrays.asList(RpcResultBuilder.newError(ErrorType.RPC, null, message));
-                    }
-                    final DOMRpcResult rpcResult = new DefaultDOMRpcResult(errors);
-
-                    settableFuture.set(rpcResult);
-                    return;
-                }
-
-                final RpcResponse rpcReply = (RpcResponse)reply;
-                final NormalizedNode<?, ?> result =
-                        NormalizedNodeSerializer.deSerialize(rpcReply.getResultNormalizedNode());
-                settableFuture.set(new DefaultDOMRpcResult(result));
-            }
-        };
-
+    public FluentFuture<DOMRpcResult> invokeRpc(final DOMRpcIdentifier rpc,
+            final NormalizedNode<?, ?> input) {
+        final RemoteDOMRpcFuture ret = RemoteDOMRpcFuture.create(rpc.getType().getLastComponent());
+        ret.completeWith(Patterns.ask(remoteInvoker, ExecuteRpc.from(rpc, input), askDuration));
+        return ret;
+    }
 
-        future.onComplete(onComplete, ExecutionContext.Implicits$.MODULE$.global());
-        // FIXME find non blocking way for implementation
-        try {
-            return Futures.immediateCheckedFuture(listenableFuture.get());
-        }
-        catch (InterruptedException | ExecutionException e) {
-            LOG.debug("Unexpected remote RPC exception.", e);
-            return Futures.immediateFailedCheckedFuture((DOMRpcException) new DOMRpcImplementationNotAvailableException(e, "Unexpected remote RPC exception"));
-        }
+    @Override
+    public long invocationCost() {
+        return COST;
     }
 }