package org.opendaylight.controller.remote.rpc;
+import static akka.pattern.Patterns.ask;
+
import akka.actor.ActorRef;
+import akka.dispatch.OnComplete;
+import akka.japi.Pair;
+import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
-import org.opendaylight.controller.remote.rpc.messages.ErrorResponse;
-import org.opendaylight.controller.remote.rpc.messages.InvokeRoutedRpc;
-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.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 java.util.List;
+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.remote.rpc.messages.ExecuteRpc;
+import org.opendaylight.controller.remote.rpc.registry.RpcRegistry;
+import org.opendaylight.controller.remote.rpc.registry.RpcRegistry.Messages.FindRoutersReply;
+import org.opendaylight.controller.remote.rpc.utils.LatestEntryRoutingLogic;
+import org.opendaylight.controller.sal.connector.api.RpcRouter;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import scala.concurrent.ExecutionContext;
+import scala.concurrent.Future;
-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);
- }
+public class RemoteRpcImplementation implements DOMRpcImplementation {
+ private static final Logger LOG = LoggerFactory.getLogger(RemoteRpcImplementation.class);
- private ListenableFuture<RpcResult<CompositeNode>> executeMsg(Object rpcMsg) {
- ListenableFuture<RpcResult<CompositeNode>> listenableFuture = null;
+ private final ActorRef rpcRegistry;
+ private final RemoteRpcProviderConfig config;
- 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());
+ public RemoteRpcImplementation(final ActorRef rpcRegistry, final RemoteRpcProviderConfig config) {
+ this.config = config;
+ this.rpcRegistry = rpcRegistry;
+ }
- final RpcResultBuilder<CompositeNode> failed = RpcResultBuilder.failed();
- failed.withError(null, null, e.getMessage(), null, null, e.getCause());
- listenableFuture = Futures.immediateFuture(failed.build());
+ @Override
+ public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(final DOMRpcIdentifier rpc,
+ final NormalizedNode<?, ?> input) {
+ if (input instanceof RemoteRpcInput) {
+ LOG.warn("Rpc {} was removed during execution or there is loop present. Failing received rpc.", rpc);
+ return Futures
+ .<DOMRpcResult, DOMRpcException>immediateFailedCheckedFuture(new DOMRpcImplementationNotAvailableException(
+ "Rpc implementation for {} was removed during processing.", rpc));
+ }
+ final RemoteDOMRpcFuture frontEndFuture = RemoteDOMRpcFuture.create(rpc.getType().getLastComponent());
+ findRouteAsync(rpc).onComplete(new OnComplete<FindRoutersReply>() {
+
+ @Override
+ public void onComplete(final Throwable error, final FindRoutersReply routes) throws Throwable {
+ if (error != null) {
+ frontEndFuture.failNow(error);
+ } else {
+ final List<Pair<ActorRef, Long>> routePairs = routes.getRouterWithUpdateTime();
+ if (routePairs == null || routePairs.isEmpty()) {
+ frontEndFuture.failNow(new DOMRpcImplementationNotAvailableException(
+ "No local or remote implementation available for rpc %s", rpc.getType(), error));
+ } else {
+ final ActorRef remoteImplRef = new LatestEntryRoutingLogic(routePairs).select();
+ final Object executeRpcMessage = ExecuteRpc.from(rpc, input);
+ LOG.debug("Found remote actor {} for rpc {} - sending {}", remoteImplRef, rpc.getType(), executeRpcMessage);
+ frontEndFuture.completeWith(ask(remoteImplRef, executeRpcMessage, config.getAskDuration()));
+ }
+ }
+ }
+ }, ExecutionContext.Implicits$.MODULE$.global());
+ return frontEndFuture;
}
- return listenableFuture;
- }
+ @SuppressWarnings({"unchecked", "rawtypes"})
+ private Future<FindRoutersReply> findRouteAsync(final DOMRpcIdentifier rpc) {
+ // FIXME: Refactor routeId and message to use DOMRpcIdentifier directly.
+ final RpcRouter.RouteIdentifier<?, ?, ?> routeId =
+ new RouteIdentifierImpl(null, rpc.getType().getLastComponent(), rpc.getContextReference());
+ final RpcRegistry.Messages.FindRouters findMsg = new RpcRegistry.Messages.FindRouters(routeId);
+ return (Future) ask(rpcRegistry, findMsg, config.getAskDuration());
+ }
}
Code Review / controller.git / blobdiff