package org.opendaylight.controller.remote.rpc;
import static akka.pattern.Patterns.ask;
+
import akka.actor.ActorRef;
import akka.dispatch.OnComplete;
-import akka.util.Timeout;
-
-import com.google.common.util.concurrent.ListenableFuture;
-import com.google.common.util.concurrent.SettableFuture;
-
-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.xml.codec.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.common.RpcError.ErrorType;
-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 akka.japi.Pair;
+import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.Futures;
+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 {
+public class RemoteRpcImplementation implements DOMRpcImplementation {
private static final Logger LOG = LoggerFactory.getLogger(RemoteRpcImplementation.class);
- private final ActorRef rpcBroker;
- private final 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) {
- InvokeRpc rpcMsg = new InvokeRpc(rpc, identifier, input);
-
- return executeMsg(rpcMsg);
- }
+ private final ActorRef rpcRegistry;
+ private final RemoteRpcProviderConfig config;
- @Override
- public Set<QName> getSupportedRpcs() {
- // TODO : check if we need to get this from routing registry
- return Collections.emptySet();
+ public RemoteRpcImplementation(final ActorRef rpcRegistry, final RemoteRpcProviderConfig config) {
+ this.config = config;
+ this.rpcRegistry = rpcRegistry;
}
@Override
- public ListenableFuture<RpcResult<CompositeNode>> invokeRpc(QName rpc, CompositeNode input) {
- InvokeRpc rpcMsg = new InvokeRpc(rpc, null, input);
- return executeMsg(rpcMsg);
- }
-
- private ListenableFuture<RpcResult<CompositeNode>> executeMsg(InvokeRpc rpcMsg) {
-
- final SettableFuture<RpcResult<CompositeNode>> listenableFuture = SettableFuture.create();
-
- scala.concurrent.Future<Object> future = ask(rpcBroker, rpcMsg,
- new Timeout(ActorUtil.ASK_DURATION));
+ 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>() {
- OnComplete<Object> onComplete = new OnComplete<Object>() {
@Override
- public void onComplete(Throwable failure, Object reply) throws Throwable {
- if(failure != null) {
- LOG.error("InvokeRpc failed", failure);
-
- RpcResult<CompositeNode> rpcResult;
- if(failure instanceof RpcErrorsException) {
- rpcResult = RpcResultBuilder.<CompositeNode>failed().withRpcErrors(
- ((RpcErrorsException)failure).getRpcErrors()).build();
+ 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 {
- rpcResult = RpcResultBuilder.<CompositeNode>failed().withError(
- ErrorType.RPC, failure.getMessage(), failure).build();
+ 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()));
}
-
- listenableFuture.set(rpcResult);
- return;
}
-
- RpcResponse rpcReply = (RpcResponse)reply;
- CompositeNode result = XmlUtils.xmlToCompositeNode(rpcReply.getResultCompositeNode());
- listenableFuture.set(RpcResultBuilder.success(result).build());
}
- };
-
- future.onComplete(onComplete, ExecutionContext.Implicits$.MODULE$.global());
+ }, 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());
}
}