From ac0409a9987fdf6440665f03aa1ad2c2466dad28 Mon Sep 17 00:00:00 2001 From: Marek Gradzki Date: Sun, 11 Dec 2016 17:25:23 +0100 Subject: HONEYCOMB-151: Rpc support Change-Id: Iccffe5412b4bb06b606b66f7c0e7ebd601d5a7d1 Signed-off-by: Marek Gradzki --- .../fd/honeycomb/rpc/HoneycombDOMRpcService.java | 96 ++++++++++++++++++++++ .../io/fd/honeycomb/rpc/RpcRegistryBuilder.java | 63 ++++++++++++++ 2 files changed, 159 insertions(+) create mode 100644 infra/rpc/impl/src/main/java/io/fd/honeycomb/rpc/HoneycombDOMRpcService.java create mode 100644 infra/rpc/impl/src/main/java/io/fd/honeycomb/rpc/RpcRegistryBuilder.java (limited to 'infra/rpc/impl/src/main/java') diff --git a/infra/rpc/impl/src/main/java/io/fd/honeycomb/rpc/HoneycombDOMRpcService.java b/infra/rpc/impl/src/main/java/io/fd/honeycomb/rpc/HoneycombDOMRpcService.java new file mode 100644 index 000000000..09f93db36 --- /dev/null +++ b/infra/rpc/impl/src/main/java/io/fd/honeycomb/rpc/HoneycombDOMRpcService.java @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2016 Cisco and/or its affiliates. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.fd.honeycomb.rpc; + +import static net.javacrumbs.futureconverter.java8guava.FutureConverter.toListenableFuture; + +import com.google.common.base.Function; +import com.google.common.util.concurrent.CheckedFuture; +import com.google.common.util.concurrent.Futures; +import com.google.common.util.concurrent.ListenableFuture; +import java.util.concurrent.CompletableFuture; +import javax.annotation.Nonnull; +import javax.annotation.Nullable; +import org.opendaylight.controller.md.sal.dom.api.DOMRpcAvailabilityListener; +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.md.sal.dom.spi.DefaultDOMRpcResult; +import org.opendaylight.yangtools.binding.data.codec.api.BindingNormalizedNodeSerializer; +import org.opendaylight.yangtools.concepts.ListenerRegistration; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode; +import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode; +import org.opendaylight.yangtools.yang.model.api.SchemaPath; + +public final class HoneycombDOMRpcService implements DOMRpcService { + + private static final Function ANY_EX_TO_RPC_EXCEPTION_MAPPER = + (Function) e -> (e instanceof DOMRpcException) + ? (DOMRpcException) e + : new RpcException("RPC failed", e); + + // TODO HONEYCOMB-161 what to use instead of deprecated BindingNormalizedNodeSerializer ? + private final BindingNormalizedNodeSerializer serializer; + private final RpcRegistry rpcRegistry; + + public HoneycombDOMRpcService(@Nonnull final BindingNormalizedNodeSerializer serializer, + @Nonnull final RpcRegistry rpcRegistry) { + this.serializer = serializer; + this.rpcRegistry = rpcRegistry; + } + + @Nonnull + @Override + public CheckedFuture invokeRpc(@Nonnull final SchemaPath schemaPath, + @Nullable final NormalizedNode normalizedNode) { + DataObject input = null; + if (normalizedNode != null) { + // RPC input is optional + final SchemaPath nodePatch = schemaPath.createChild(normalizedNode.getNodeType()); + input = serializer.fromNormalizedNodeRpcData(nodePatch, (ContainerNode) normalizedNode); + } + final CompletableFuture result = rpcRegistry.invoke(schemaPath, input).toCompletableFuture(); + final ListenableFuture output = getDOMRpcResult(toListenableFuture(result)); + return Futures.makeChecked(output, ANY_EX_TO_RPC_EXCEPTION_MAPPER); + } + + private ListenableFuture getDOMRpcResult(final ListenableFuture invoke) { + return Futures.transform( + invoke, + (Function) output -> { + final ContainerNode outputNode = serializer.toNormalizedNodeRpcData(output); + return new DefaultDOMRpcResult(outputNode); + }); + } + + @Nonnull + @Override + public ListenerRegistration registerRpcListener(@Nonnull final T t) { + return new ListenerRegistration() { + @Override + public void close() { + // Noop + } + + @Override + public T getInstance() { + return t; + } + }; + } +} diff --git a/infra/rpc/impl/src/main/java/io/fd/honeycomb/rpc/RpcRegistryBuilder.java b/infra/rpc/impl/src/main/java/io/fd/honeycomb/rpc/RpcRegistryBuilder.java new file mode 100644 index 000000000..0b96be0a3 --- /dev/null +++ b/infra/rpc/impl/src/main/java/io/fd/honeycomb/rpc/RpcRegistryBuilder.java @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2016 Cisco and/or its affiliates. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.fd.honeycomb.rpc; + +import java.util.HashMap; +import java.util.Map; +import java.util.concurrent.CompletableFuture; +import java.util.concurrent.CompletionStage; +import javax.annotation.Nonnull; +import javax.annotation.Nullable; +import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationNotAvailableException; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.model.api.SchemaPath; + +public final class RpcRegistryBuilder { + + private Map services = new HashMap<>(); + + public RpcRegistry build() { + return new RpcRegistryImpl(services); + } + + public void addService(@Nonnull final RpcService service) { + services.put(service.getManagedNode(), service); + } + + + private static final class RpcRegistryImpl implements RpcRegistry { + private final Map services; + + private RpcRegistryImpl(@Nonnull final Map services) { + this.services = services; + } + + @Override + @Nonnull + public CompletionStage invoke(@Nonnull final SchemaPath schemaPath, @Nullable final DataObject request) { + final RpcService rpcService = services.get(schemaPath); + if (rpcService == null) { + final CompletableFuture result = new CompletableFuture<>(); + result.completeExceptionally( + new DOMRpcImplementationNotAvailableException("Service not found: %s", schemaPath)); + return result; + } + return rpcService.invoke(request); + + } + } +} -- cgit 1.2.3-korg