2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.restconf.nb.rfc8040.rests.services.impl;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.annotations.VisibleForTesting;
13 import com.google.common.base.Throwables;
14 import com.google.common.collect.ImmutableList;
15 import com.google.common.util.concurrent.FutureCallback;
16 import com.google.common.util.concurrent.Futures;
17 import com.google.common.util.concurrent.ListenableFuture;
18 import com.google.common.util.concurrent.MoreExecutors;
19 import java.util.Optional;
20 import java.util.concurrent.ExecutionException;
21 import javax.ws.rs.Path;
22 import javax.ws.rs.WebApplicationException;
23 import javax.ws.rs.container.AsyncResponse;
24 import javax.ws.rs.core.Response.Status;
25 import javax.ws.rs.core.UriInfo;
26 import org.eclipse.jdt.annotation.NonNull;
27 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
28 import org.opendaylight.mdsal.dom.api.DOMRpcException;
29 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
30 import org.opendaylight.mdsal.dom.api.DOMRpcService;
31 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
32 import org.opendaylight.mdsal.dom.spi.DefaultDOMRpcResult;
33 import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
34 import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
35 import org.opendaylight.restconf.nb.rfc8040.handlers.SchemaContextHandler;
36 import org.opendaylight.restconf.nb.rfc8040.legacy.NormalizedNodePayload;
37 import org.opendaylight.restconf.nb.rfc8040.rests.services.api.RestconfInvokeOperationsService;
38 import org.opendaylight.yangtools.yang.common.ErrorTag;
39 import org.opendaylight.yangtools.yang.common.ErrorType;
40 import org.opendaylight.yangtools.yang.common.QName;
41 import org.opendaylight.yangtools.yang.common.RpcError;
42 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
43 import org.opendaylight.yangtools.yang.common.XMLNamespace;
44 import org.opendaylight.yangtools.yang.common.YangConstants;
45 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
46 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
47 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
48 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
49 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
50 import org.slf4j.Logger;
51 import org.slf4j.LoggerFactory;
54 * Implementation of {@link RestconfInvokeOperationsService}.
58 public class RestconfInvokeOperationsServiceImpl implements RestconfInvokeOperationsService {
59 private static final Logger LOG = LoggerFactory.getLogger(RestconfInvokeOperationsServiceImpl.class);
61 // FIXME: at some point we do not want to have this here
62 private static final XMLNamespace SAL_REMOTE_NAMESPACE =
63 XMLNamespace.of("urn:opendaylight:params:xml:ns:yang:controller:md:sal:remote");
65 private final DOMRpcService rpcService;
66 private final SchemaContextHandler schemaContextHandler;
68 public RestconfInvokeOperationsServiceImpl(final DOMRpcService rpcService,
69 final SchemaContextHandler schemaContextHandler) {
70 this.rpcService = requireNonNull(rpcService);
71 this.schemaContextHandler = requireNonNull(schemaContextHandler);
75 public void invokeRpc(final String identifier, final NormalizedNodePayload payload, final UriInfo uriInfo,
76 final AsyncResponse ar) {
77 final SchemaNode schema = payload.getInstanceIdentifierContext().getSchemaNode();
78 final QName rpcName = schema.getQName();
79 final DOMMountPoint mountPoint = payload.getInstanceIdentifierContext().getMountPoint();
81 final ListenableFuture<? extends DOMRpcResult> future;
82 final EffectiveModelContext schemaContextRef;
83 if (mountPoint == null) {
84 schemaContextRef = schemaContextHandler.get();
86 // FIXME: this really should be a normal RPC invocation service which has its own interface with JAX-RS
87 if (SAL_REMOTE_NAMESPACE.equals(rpcName.getNamespace())) {
88 if (identifier.contains("create-data-change-event-subscription")) {
89 future = Futures.immediateFuture(
90 CreateStreamUtil.createDataChangeNotifiStream(payload, schemaContextRef));
92 future = Futures.immediateFailedFuture(new RestconfDocumentedException("Unsupported operation",
93 ErrorType.RPC, ErrorTag.OPERATION_NOT_SUPPORTED));
96 future = invokeRpc(payload.getData(), rpcName, rpcService);
99 schemaContextRef = modelContext(mountPoint);
100 future = invokeRpc(payload.getData(), rpcName, mountPoint);
103 Futures.addCallback(future, new FutureCallback<DOMRpcResult>() {
105 public void onSuccess(final DOMRpcResult response) {
106 final var errors = response.getErrors();
107 if (!errors.isEmpty()) {
108 LOG.debug("RpcError message {}", response.getErrors());
109 ar.resume(new RestconfDocumentedException("RPCerror message ", null, response.getErrors()));
113 final NormalizedNode resultData = response.getResult();
114 if (resultData == null || ((ContainerNode) resultData).isEmpty()) {
115 ar.resume(new WebApplicationException(Status.NO_CONTENT));
117 ar.resume(NormalizedNodePayload.of(new InstanceIdentifierContext(null, schema,
118 mountPoint, schemaContextRef), resultData));
123 public void onFailure(final Throwable failure) {
126 }, MoreExecutors.directExecutor());
130 * Invoking rpc via mount point.
132 * @param mountPoint mount point
133 * @param data input data
134 * @param rpc RPC type
135 * @return {@link DOMRpcResult}
138 static ListenableFuture<? extends DOMRpcResult> invokeRpc(final NormalizedNode data, final QName rpc,
139 final DOMMountPoint mountPoint) {
140 return invokeRpc(data, rpc, mountPoint.getService(DOMRpcService.class).orElseThrow(() -> {
141 final String errmsg = "RPC service is missing.";
143 return new RestconfDocumentedException(errmsg);
150 * @param data input data
151 * @param rpc RPC type
152 * @param rpcService rpc service to invoke rpc
153 * @return {@link DOMRpcResult}
156 static ListenableFuture<? extends DOMRpcResult> invokeRpc(final NormalizedNode data, final QName rpc,
157 final DOMRpcService rpcService) {
158 return Futures.catching(rpcService.invokeRpc(rpc, nonnullInput(rpc, data)),
159 DOMRpcException.class,
160 cause -> new DefaultDOMRpcResult(ImmutableList.of(RpcResultBuilder.newError(
161 RpcError.ErrorType.RPC, "operation-failed", cause.getMessage()))),
162 MoreExecutors.directExecutor());
165 private static @NonNull NormalizedNode nonnullInput(final QName type, final NormalizedNode input) {
166 return input != null ? input
167 : ImmutableNodes.containerNode(YangConstants.operationInputQName(type.getModule()));
171 static <T> T checkedGet(final ListenableFuture<T> future) {
174 } catch (InterruptedException e) {
175 throw new RestconfDocumentedException("Interrupted while waiting for result of invocation", e);
176 } catch (ExecutionException e) {
177 Throwables.throwIfInstanceOf(e.getCause(), RestconfDocumentedException.class);
178 throw new RestconfDocumentedException("Invocation failed", e);
182 private static EffectiveModelContext modelContext(final DOMMountPoint mountPoint) {
183 return mountPoint.getService(DOMSchemaService.class)
184 .flatMap(svc -> Optional.ofNullable(svc.getGlobalContext()))