package org.opendaylight.controller.remote.rpc;
+import static akka.pattern.Patterns.ask;
import akka.actor.ActorRef;
import akka.actor.Props;
+import akka.dispatch.OnComplete;
import akka.japi.Creator;
import akka.japi.Pair;
-import org.opendaylight.controller.remote.rpc.messages.ErrorResponse;
+import akka.util.Timeout;
+
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.xml.codec.XmlUtils;
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.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.slf4j.Logger;
import org.slf4j.LoggerFactory;
+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 java.util.List;
import java.util.concurrent.Future;
public class RpcBroker extends AbstractUntypedActor {
- private static final Logger LOG = LoggerFactory.getLogger(RpcBroker.class);
- private final Broker.ProviderSession brokerSession;
- private final ActorRef rpcRegistry;
- private SchemaContext schemaContext;
-
- private RpcBroker(Broker.ProviderSession brokerSession, ActorRef rpcRegistry, SchemaContext schemaContext){
- this.brokerSession = brokerSession;
- this.rpcRegistry = rpcRegistry;
- this.schemaContext = schemaContext;
- }
-
- public static Props props(final Broker.ProviderSession brokerSession, final ActorRef rpcRegistry, final SchemaContext schemaContext){
- return Props.create(new Creator<RpcBroker>(){
-
- @Override
- public RpcBroker create() throws Exception {
- return new RpcBroker(brokerSession, rpcRegistry, schemaContext);
- }
- });
- }
- @Override
- protected void handleReceive(Object message) throws Exception {
- if(message instanceof InvokeRpc) {
- invokeRemoteRpc((InvokeRpc) message);
- } else if(message instanceof ExecuteRpc) {
- executeRpc((ExecuteRpc) message);
+ private static final Logger LOG = LoggerFactory.getLogger(RpcBroker.class);
+ private final Broker.ProviderSession brokerSession;
+ private final ActorRef rpcRegistry;
+ private final SchemaContext schemaContext;
+
+ private RpcBroker(Broker.ProviderSession brokerSession, ActorRef rpcRegistry,
+ SchemaContext schemaContext) {
+ this.brokerSession = brokerSession;
+ this.rpcRegistry = rpcRegistry;
+ this.schemaContext = schemaContext;
}
- }
-
- private void invokeRemoteRpc(InvokeRpc msg) {
- // Look up the remote actor to execute rpc
- LOG.debug("Looking up the remote actor for route {}", msg);
- try {
- // Find router
- RpcRouter.RouteIdentifier<?,?,?> routeId = new RouteIdentifierImpl(null, msg.getRpc(), msg.getIdentifier());
- RpcRegistry.Messages.FindRouters rpcMsg = new RpcRegistry.Messages.FindRouters(routeId);
- RpcRegistry.Messages.FindRoutersReply rpcReply =
- (RpcRegistry.Messages.FindRoutersReply) ActorUtil.executeOperation(rpcRegistry, rpcMsg, ActorUtil.LOCAL_ASK_DURATION, ActorUtil.LOCAL_AWAIT_DURATION);
-
- List<Pair<ActorRef, Long>> actorRefList = rpcReply.getRouterWithUpdateTime();
-
- if(actorRefList == null || actorRefList.isEmpty()) {
- LOG.debug("No remote actor found for rpc {{}}.", msg.getRpc());
-
- getSender().tell(new ErrorResponse(
- new IllegalStateException("No remote actor found for rpc execution of : " + msg.getRpc())), self());
- } else {
- RoutingLogic logic = new LatestEntryRoutingLogic(actorRefList);
- ExecuteRpc executeMsg = new ExecuteRpc(XmlUtils.inputCompositeNodeToXml(msg.getInput(), schemaContext), msg.getRpc());
- Object operationRes = ActorUtil.executeOperation(logic.select(),
- executeMsg, ActorUtil.REMOTE_ASK_DURATION, ActorUtil.REMOTE_AWAIT_DURATION);
+ public static Props props(Broker.ProviderSession brokerSession, ActorRef rpcRegistry,
+ SchemaContext schemaContext) {
+ return Props.create(new RpcBrokerCreator(brokerSession, rpcRegistry, schemaContext));
+ }
- getSender().tell(operationRes, self());
- }
- } catch (Exception e) {
- LOG.error("invokeRemoteRpc: {}", e);
- getSender().tell(new ErrorResponse(e), self());
+ @Override
+ protected void handleReceive(Object message) throws Exception {
+ if(message instanceof InvokeRpc) {
+ invokeRemoteRpc((InvokeRpc) message);
+ } else 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,
+ new Timeout(ActorUtil.LOCAL_ASK_DURATION));
+ final ActorRef sender = getSender();
+ final ActorRef self = self();
- private void executeRpc(ExecuteRpc msg) {
- LOG.debug("Executing rpc for rpc {}", msg.getRpc());
- try {
- Future<RpcResult<CompositeNode>> rpc = brokerSession.rpc(msg.getRpc(),
- XmlUtils.inputXmlToCompositeNode(msg.getRpc(), msg.getInputCompositeNode(), schemaContext));
- RpcResult<CompositeNode> rpcResult = rpc != null ? rpc.get():null;
- CompositeNode result = rpcResult != null ? rpcResult.getResult() : null;
- getSender().tell(new RpcResponse(XmlUtils.outputCompositeNodeToXml(result, schemaContext)), self());
- } catch (Exception e) {
- LOG.error("executeRpc: {}", e);
- getSender().tell(new ErrorResponse(e), 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,
+ new Timeout(ActorUtil.REMOTE_ASK_DURATION));
+
+ 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 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));
+ }
+
+ sender.tell(new akka.actor.Status.Failure(new RpcErrorsException(
+ message, errors)), self);
+ }
+ }
+
+ @Override
+ public void onFailure(Throwable t) {
+ LOG.error("executeRpc for {} failed: {}", msg.getRpc(), t);
+ sender.tell(new akka.actor.Status.Failure(t), self);
+ }
+ });
+ }
+
+ private static class RpcBrokerCreator implements Creator<RpcBroker> {
+ private static final long serialVersionUID = 1L;
+
+ final Broker.ProviderSession brokerSession;
+ final ActorRef rpcRegistry;
+ final SchemaContext schemaContext;
+
+ RpcBrokerCreator(ProviderSession brokerSession, ActorRef rpcRegistry,
+ SchemaContext schemaContext) {
+ this.brokerSession = brokerSession;
+ this.rpcRegistry = rpcRegistry;
+ this.schemaContext = schemaContext;
+ }
+
+ @Override
+ public RpcBroker create() throws Exception {
+ return new RpcBroker(brokerSession, rpcRegistry, schemaContext);
+ }
+ }
}
Code Review / controller.git / blobdiff