import akka.actor.ActorRef;
import akka.actor.Props;
-import akka.dispatch.OnComplete;
import akka.japi.Creator;
-import akka.japi.Pair;
+import com.google.common.base.Preconditions;
+import com.google.common.base.Throwables;
+import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.JdkFutureAdapters;
-import com.google.common.util.concurrent.ListenableFuture;
+import java.util.Arrays;
+import java.util.Collection;
import org.opendaylight.controller.cluster.common.actor.AbstractUntypedActor;
+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.DOMRpcResult;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
+import org.opendaylight.controller.protobuff.messages.common.NormalizedNodeMessages.Node;
import org.opendaylight.controller.remote.rpc.messages.ExecuteRpc;
-import org.opendaylight.controller.remote.rpc.messages.InvokeRpc;
import org.opendaylight.controller.remote.rpc.messages.RpcResponse;
-import org.opendaylight.controller.remote.rpc.registry.RpcRegistry;
-import org.opendaylight.controller.remote.rpc.utils.LatestEntryRoutingLogic;
-import org.opendaylight.controller.remote.rpc.utils.RoutingLogic;
-import org.opendaylight.controller.sal.connector.api.RpcRouter;
-import org.opendaylight.controller.sal.core.api.Broker;
-import org.opendaylight.controller.sal.core.api.Broker.ProviderSession;
-import org.opendaylight.controller.xml.codec.XmlUtils;
import org.opendaylight.yangtools.yang.common.RpcError;
import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
-import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
-import org.opendaylight.yangtools.yang.data.api.CompositeNode;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+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 java.util.Arrays;
-import java.util.Collection;
-import java.util.List;
-import java.util.concurrent.Future;
-
-import static akka.pattern.Patterns.ask;
-
/**
* Actor to initiate execution of remote RPC on other nodes of the cluster.
*/
public class RpcBroker extends AbstractUntypedActor {
private static final Logger LOG = LoggerFactory.getLogger(RpcBroker.class);
- private final Broker.ProviderSession brokerSession;
- private final ActorRef rpcRegistry;
- private final SchemaContext schemaContext;
- private final RemoteRpcProviderConfig config;
-
- private RpcBroker(Broker.ProviderSession brokerSession, ActorRef rpcRegistry,
- SchemaContext schemaContext) {
- this.brokerSession = brokerSession;
- this.rpcRegistry = rpcRegistry;
- this.schemaContext = schemaContext;
- config = new RemoteRpcProviderConfig(getContext().system().settings().config());
+ private final DOMRpcService rpcService;
+
+ private RpcBroker(final DOMRpcService rpcService) {
+ this.rpcService = rpcService;
}
- public static Props props(Broker.ProviderSession brokerSession, ActorRef rpcRegistry,
- SchemaContext schemaContext) {
- return Props.create(new RpcBrokerCreator(brokerSession, rpcRegistry, schemaContext));
+ public static Props props(final DOMRpcService rpcService) {
+ Preconditions.checkNotNull(rpcService, "DOMRpcService can not be null");
+ return Props.create(new RpcBrokerCreator(rpcService));
}
@Override
- protected void handleReceive(Object message) throws Exception {
- if(message instanceof InvokeRpc) {
- invokeRemoteRpc((InvokeRpc) message);
- } else if(message instanceof ExecuteRpc) {
+ protected void handleReceive(final Object message) throws Exception {
+ if (message instanceof ExecuteRpc) {
executeRpc((ExecuteRpc) message);
}
}
- private void invokeRemoteRpc(final InvokeRpc msg) {
- LOG.debug("Looking up the remote actor for rpc {}", msg.getRpc());
-
- RpcRouter.RouteIdentifier<?,?,?> routeId = new RouteIdentifierImpl(
- null, msg.getRpc(), msg.getIdentifier());
- RpcRegistry.Messages.FindRouters findMsg = new RpcRegistry.Messages.FindRouters(routeId);
-
- scala.concurrent.Future<Object> future = ask(rpcRegistry, findMsg, config.getAskDuration());
-
- final ActorRef sender = getSender();
- final ActorRef self = self();
-
- OnComplete<Object> onComplete = new OnComplete<Object>() {
- @Override
- public void onComplete(Throwable failure, Object reply) throws Throwable {
- if(failure != null) {
- LOG.error("FindRouters failed", failure);
- sender.tell(new akka.actor.Status.Failure(failure), self);
- return;
- }
-
- RpcRegistry.Messages.FindRoutersReply findReply =
- (RpcRegistry.Messages.FindRoutersReply)reply;
-
- List<Pair<ActorRef, Long>> actorRefList = findReply.getRouterWithUpdateTime();
-
- if(actorRefList == null || actorRefList.isEmpty()) {
- String message = String.format(
- "No remote implementation found for rpc %s", msg.getRpc());
- sender.tell(new akka.actor.Status.Failure(new RpcErrorsException(
- message, Arrays.asList(RpcResultBuilder.newError(ErrorType.RPC,
- "operation-not-supported", message)))), self);
- return;
- }
-
- finishInvokeRpc(actorRefList, msg, sender, self);
- }
- };
-
- future.onComplete(onComplete, getContext().dispatcher());
- }
-
- protected void finishInvokeRpc(final List<Pair<ActorRef, Long>> actorRefList,
- final InvokeRpc msg, final ActorRef sender, final ActorRef self) {
-
- RoutingLogic logic = new LatestEntryRoutingLogic(actorRefList);
-
- ExecuteRpc executeMsg = new ExecuteRpc(XmlUtils.inputCompositeNodeToXml(msg.getInput(),
- schemaContext), msg.getRpc());
-
- scala.concurrent.Future<Object> future = ask(logic.select(), executeMsg, config.getAskDuration());
-
- OnComplete<Object> onComplete = new OnComplete<Object>() {
- @Override
- public void onComplete(Throwable failure, Object reply) throws Throwable {
- if(failure != null) {
- LOG.error("ExecuteRpc failed", failure);
- sender.tell(new akka.actor.Status.Failure(failure), self);
- return;
- }
-
- sender.tell(reply, self);
- }
- };
-
- future.onComplete(onComplete, getContext().dispatcher());
- }
-
private void executeRpc(final ExecuteRpc msg) {
LOG.debug("Executing rpc {}", msg.getRpc());
-
- Future<RpcResult<CompositeNode>> future = brokerSession.rpc(msg.getRpc(),
- XmlUtils.inputXmlToCompositeNode(msg.getRpc(), msg.getInputCompositeNode(),
- schemaContext));
-
- ListenableFuture<RpcResult<CompositeNode>> listenableFuture =
- JdkFutureAdapters.listenInPoolThread(future);
-
+ final NormalizedNode<?, ?> input = RemoteRpcInput.from(msg.getInputNormalizedNode());
+ final SchemaPath schemaPath = SchemaPath.create(true, msg.getRpc());
final ActorRef sender = getSender();
final ActorRef self = self();
- Futures.addCallback(listenableFuture, new FutureCallback<RpcResult<CompositeNode>>() {
- @Override
- public void onSuccess(RpcResult<CompositeNode> result) {
- if(result.isSuccessful()) {
- sender.tell(new RpcResponse(XmlUtils.outputCompositeNodeToXml(result.getResult(),
- schemaContext)), self);
- } else {
- String message = String.format("Execution of RPC %s failed", msg.getRpc());
- Collection<RpcError> errors = result.getErrors();
- if(errors == null || errors.size() == 0) {
- errors = Arrays.asList(RpcResultBuilder.newError(ErrorType.RPC,
- null, message));
+ try {
+ final CheckedFuture<DOMRpcResult, DOMRpcException> future = rpcService.invokeRpc(schemaPath, input);
+
+ Futures.addCallback(future, new FutureCallback<DOMRpcResult>() {
+ @Override
+ public void onSuccess(final DOMRpcResult result) {
+ if (result.getErrors() != null && (!result.getErrors().isEmpty())) {
+ final String message = String.format("Execution of RPC %s failed", msg.getRpc());
+ Collection<RpcError> errors = result.getErrors();
+ if (errors == null || errors.size() == 0) {
+ errors = Arrays.asList(RpcResultBuilder.newError(ErrorType.RPC, null, message));
+ }
+
+ sender.tell(new akka.actor.Status.Failure(new RpcErrorsException(message, errors)), self);
+ } else {
+ final Node serializedResultNode;
+ if (result.getResult() == null) {
+ serializedResultNode = null;
+ } else {
+ serializedResultNode = NormalizedNodeSerializer.serialize(result.getResult());
+ }
+
+ LOG.debug("Sending response for execute rpc : {}", msg.getRpc());
+
+ sender.tell(new RpcResponse(serializedResultNode), self);
}
+ }
- sender.tell(new akka.actor.Status.Failure(new RpcErrorsException(
- message, errors)), self);
+ @Override
+ public void onFailure(final Throwable t) {
+ LOG.error("executeRpc for {} failed with root cause: {}. For exception details, enable Debug logging.",
+ msg.getRpc(), Throwables.getRootCause(t));
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Detailed exception for execute RPC failure :{}", t);
+ }
+ sender.tell(new akka.actor.Status.Failure(t), self);
}
- }
-
- @Override
- public void onFailure(Throwable t) {
- LOG.error("executeRpc for {} failed: {}", msg.getRpc(), t);
- sender.tell(new akka.actor.Status.Failure(t), self);
- }
- });
+ });
+ } catch (final Exception e) {
+ sender.tell(new akka.actor.Status.Failure(e), sender);
+ }
}
private static class RpcBrokerCreator implements Creator<RpcBroker> {
private static final long serialVersionUID = 1L;
- final Broker.ProviderSession brokerSession;
- final ActorRef rpcRegistry;
- final SchemaContext schemaContext;
+ final DOMRpcService rpcService;
- RpcBrokerCreator(ProviderSession brokerSession, ActorRef rpcRegistry,
- SchemaContext schemaContext) {
- this.brokerSession = brokerSession;
- this.rpcRegistry = rpcRegistry;
- this.schemaContext = schemaContext;
+ RpcBrokerCreator(final DOMRpcService rpcService) {
+ this.rpcService = rpcService;
}
@Override
public RpcBroker create() throws Exception {
- return new RpcBroker(brokerSession, rpcRegistry, schemaContext);
+ return new RpcBroker(rpcService);
}
}
}