Merge changes I0587299e,I81a92c4e
[netconf.git] / netconf / netconf-topology-singleton / src / main / java / org / opendaylight / netconf / topology / singleton / impl / ProxyDOMRpcService.java
index c1c843014b00e395ac8697d77080b958dfbea9fe..b6e56fbef4e1b867aa02d88bba327a9615f39267 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2016 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,
 
 package org.opendaylight.netconf.topology.singleton.impl;
 
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.dispatch.OnComplete;
+import akka.pattern.Patterns;
+import akka.util.Timeout;
 import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.SettableFuture;
+import java.util.Collection;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import org.opendaylight.controller.md.sal.dom.api.DOMRpcAvailabilityListener;
 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
+import org.opendaylight.controller.md.sal.dom.spi.DefaultDOMRpcResult;
+import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
+import org.opendaylight.netconf.topology.singleton.impl.utils.ClusteringRpcException;
+import org.opendaylight.netconf.topology.singleton.messages.NormalizedNodeMessage;
+import org.opendaylight.netconf.topology.singleton.messages.SchemaPathMessage;
+import org.opendaylight.netconf.topology.singleton.messages.rpc.InvokeRpcMessage;
+import org.opendaylight.netconf.topology.singleton.messages.rpc.InvokeRpcMessageReply;
+import org.opendaylight.netconf.topology.singleton.messages.transactions.EmptyResultResponse;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.util.concurrent.ExceptionMapper;
+import org.opendaylight.yangtools.yang.common.RpcError;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import scala.concurrent.Future;
 
 public class ProxyDOMRpcService implements DOMRpcService {
 
+    private static final Logger LOG = LoggerFactory.getLogger(NetconfTopologyManager.class);
+
+    private final ExceptionMapper<DOMRpcException> domRpcExceptionMapper =
+        new ExceptionMapper<DOMRpcException>("invokeRpc", DOMRpcException.class) {
+            @Override
+            protected DOMRpcException newWithCause(String message, Throwable cause) {
+                return new ClusteringRpcException(id + ": Exception during remote rpc invocation.", cause);
+            }
+        };
+
+    private final ActorRef masterActorRef;
+    private final ActorSystem actorSystem;
+    private final RemoteDeviceId id;
+    private final Timeout actorResponseWaitTime;
+
+    public ProxyDOMRpcService(final ActorSystem actorSystem, final ActorRef masterActorRef,
+                              final RemoteDeviceId remoteDeviceId, final Timeout actorResponseWaitTime) {
+        this.actorSystem = actorSystem;
+        this.masterActorRef = masterActorRef;
+        id = remoteDeviceId;
+        this.actorResponseWaitTime = actorResponseWaitTime;
+    }
+
     @Nonnull
     @Override
     public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(@Nonnull final SchemaPath type,
                                                                   @Nullable final NormalizedNode<?, ?> input) {
-        throw new UnsupportedOperationException("InvokeRpc: DOMRpc service not working in cluster.");
+        LOG.trace("{}: Rpc operation invoked with schema type: {} and node: {}.", id, type, input);
+
+        final NormalizedNodeMessage normalizedNodeMessage = input != null
+                ? new NormalizedNodeMessage(YangInstanceIdentifier.EMPTY, input) : null;
+        final Future<Object> scalaFuture = Patterns.ask(masterActorRef,
+                new InvokeRpcMessage(new SchemaPathMessage(type), normalizedNodeMessage), actorResponseWaitTime);
+
+        final SettableFuture<DOMRpcResult> settableFuture = SettableFuture.create();
+
+        scalaFuture.onComplete(new OnComplete<Object>() {
+            @Override
+            public void onComplete(final Throwable failure, final Object response) {
+                if (failure != null) {
+                    settableFuture.setException(failure);
+                    return;
+                }
+
+                if (response instanceof EmptyResultResponse) {
+                    settableFuture.set(null);
+                    return;
+                }
+
+                final Collection<RpcError> errors = ((InvokeRpcMessageReply) response).getRpcErrors();
+                final NormalizedNodeMessage normalizedNodeMessageResult =
+                        ((InvokeRpcMessageReply) response).getNormalizedNodeMessage();
+                final DOMRpcResult result;
+                if (normalizedNodeMessageResult == null) {
+                    result = new DefaultDOMRpcResult(errors);
+                } else {
+                    result = new DefaultDOMRpcResult(normalizedNodeMessageResult.getNode(), errors);
+                }
+                settableFuture.set(result);
+            }
+        }, actorSystem.dispatcher());
+
+        return Futures.makeChecked(settableFuture, domRpcExceptionMapper);
     }
 
     @Nonnull
     @Override
     public <T extends DOMRpcAvailabilityListener> ListenerRegistration<T> registerRpcListener(
             @Nonnull final T listener) {
+        // NOOP, only proxy
         throw new UnsupportedOperationException("RegisterRpcListener: DOMRpc service not working in cluster.");
     }
 }