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 org.opendaylight.controller.remote.rpc.messages.ErrorResponse;
-import org.opendaylight.controller.remote.rpc.messages.InvokeRoutedRpc;
+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.controller.remote.rpc.utils.ActorUtil;
-import org.opendaylight.controller.remote.rpc.utils.XmlUtils;
-import org.opendaylight.controller.sal.core.api.RoutedRpcDefaultImplementation;
-import org.opendaylight.controller.sal.core.api.RpcImplementation;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.common.RpcError;
+import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
-import org.opendaylight.yangtools.yang.data.api.CompositeNode;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import scala.concurrent.ExecutionContext;
-import java.util.Collections;
-import java.util.Set;
-
-public class RemoteRpcImplementation implements RpcImplementation,
- RoutedRpcDefaultImplementation {
- private static final Logger LOG = LoggerFactory.getLogger(RemoteRpcImplementation.class);
- private ActorRef rpcBroker;
- private SchemaContext schemaContext;
-
- public RemoteRpcImplementation(ActorRef rpcBroker, SchemaContext schemaContext) {
- this.rpcBroker = rpcBroker;
- this.schemaContext = schemaContext;
- }
-
- @Override
- public ListenableFuture<RpcResult<CompositeNode>> invokeRpc(QName rpc, YangInstanceIdentifier identifier, CompositeNode input) {
- InvokeRoutedRpc rpcMsg = new InvokeRoutedRpc(rpc, identifier, input);
-
- return executeMsg(rpcMsg);
- }
-
- @Override
- public Set<QName> getSupportedRpcs() {
- // TODO : check if we need to get this from routing registry
- return Collections.emptySet();
- }
-
- @Override
- public ListenableFuture<RpcResult<CompositeNode>> invokeRpc(QName rpc, CompositeNode input) {
- InvokeRpc rpcMsg = new InvokeRpc(rpc, input);
- return executeMsg(rpcMsg);
- }
-
- private ListenableFuture<RpcResult<CompositeNode>> executeMsg(Object rpcMsg) {
- ListenableFuture<RpcResult<CompositeNode>> listenableFuture = null;
-
- try {
- Object response = ActorUtil.executeLocalOperation(rpcBroker, rpcMsg, ActorUtil.ASK_DURATION, ActorUtil.AWAIT_DURATION);
- if(response instanceof RpcResponse) {
-
- RpcResponse rpcResponse = (RpcResponse) response;
- CompositeNode result = XmlUtils.xmlToCompositeNode(rpcResponse.getResultCompositeNode());
- listenableFuture = Futures.immediateFuture(RpcResultBuilder.success(result).build());
-
- } else if(response instanceof ErrorResponse) {
-
- ErrorResponse errorResponse = (ErrorResponse) response;
- Exception e = errorResponse.getException();
- final RpcResultBuilder<CompositeNode> failed = RpcResultBuilder.failed();
- failed.withError(null, null, e.getMessage(), null, null, e.getCause());
- listenableFuture = Futures.immediateFuture(failed.build());
-
- }
- } catch (Exception e) {
- LOG.error("Error occurred while invoking RPC actor {}", e.toString());
-
- final RpcResultBuilder<CompositeNode> failed = RpcResultBuilder.failed();
- failed.withError(null, null, e.getMessage(), null, null, e.getCause());
- listenableFuture = Futures.immediateFuture(failed.build());
+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;
}
- return listenableFuture;
- }
+ @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) {
+
+ // When we return a failure to the caller they can choose to log it if they like
+ // so here we just do basic warn logging by default and log the stack trace only when debug
+ // is enabled
+
+ LOG.warn("InvokeRpc failed rpc = {}, identifier = {}", rpcMsg.getRpc(), rpcMsg.getIdentifier());
+
+ if(LOG.isDebugEnabled()){
+ LOG.debug("Detailed Error", 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;
+
+ if(rpcReply.getResultNormalizedNode() == null){
+ result = null;
+ LOG.debug("Received response for invoke rpc : {} result is null", rpcMsg.getRpc());
+ } else {
+ result = NormalizedNodeSerializer.deSerialize(rpcReply.getResultNormalizedNode());
+ LOG.debug("Received response for invoke rpc : {} result : {}", rpcMsg.getRpc(), result);
+ }
+
+ settableFuture.set(new DefaultDOMRpcResult(result));
+ }
+ };
+
+
+ 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"));
+ }
+ }
}