2 * Copyright (c) 2017 Pantheon Technologies s.r.o. 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.openflowplugin.impl.services.multilayer;
10 import com.google.common.util.concurrent.FutureCallback;
11 import com.google.common.util.concurrent.Futures;
12 import com.google.common.util.concurrent.ListenableFuture;
13 import com.google.common.util.concurrent.MoreExecutors;
14 import com.google.common.util.concurrent.SettableFuture;
15 import java.util.ArrayList;
16 import java.util.Collections;
17 import java.util.List;
18 import java.util.Optional;
19 import javax.annotation.Nonnull;
20 import org.opendaylight.openflowplugin.api.OFConstants;
21 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
22 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
23 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
24 import org.opendaylight.openflowplugin.impl.services.AbstractSimpleService;
25 import org.opendaylight.openflowplugin.impl.services.util.ServiceException;
26 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
27 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionDatapathIdConvertorData;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowModInputBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
31 import org.opendaylight.yangtools.yang.binding.DataObject;
32 import org.opendaylight.yangtools.yang.common.RpcError;
33 import org.opendaylight.yangtools.yang.common.RpcResult;
34 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
36 public final class MultiLayerFlowService<O extends DataObject> extends AbstractSimpleService<FlowModInputBuilder, O> {
38 private final ConvertorExecutor convertorExecutor;
39 private final VersionDatapathIdConvertorData data;
41 public MultiLayerFlowService(final RequestContextStack requestContextStack,
42 final DeviceContext deviceContext,
44 final ConvertorExecutor convertorExecutor) {
45 super(requestContextStack, deviceContext, clazz);
46 this.convertorExecutor = convertorExecutor;
47 data = new VersionDatapathIdConvertorData(getVersion());
48 data.setDatapathId(getDatapathId());
52 protected OfHeader buildRequest(final Xid xid, final FlowModInputBuilder input) throws ServiceException {
53 input.setXid(xid.getValue());
57 public List<FlowModInputBuilder> toFlowModInputs(final Flow input) {
58 final Optional<List<FlowModInputBuilder>> flowModInputBuilders = convertorExecutor.convert(input, data);
59 return flowModInputBuilders.orElse(Collections.emptyList());
62 public ListenableFuture<RpcResult<O>> processFlowModInputBuilders(final List<FlowModInputBuilder> ofFlowModInputs) {
63 final List<ListenableFuture<RpcResult<O>>> partialFutures = new ArrayList<>(ofFlowModInputs.size());
65 for (final FlowModInputBuilder flowModInputBuilder : ofFlowModInputs) {
66 partialFutures.add(handleServiceCall(flowModInputBuilder));
69 final ListenableFuture<List<RpcResult<O>>> allFutures = Futures.successfulAsList(partialFutures);
70 final SettableFuture<RpcResult<O>> finalFuture = SettableFuture.create();
71 Futures.addCallback(allFutures, new FutureCallback<List<RpcResult<O>>>() {
73 public void onSuccess(@Nonnull final List<RpcResult<O>> results) {
74 final ArrayList<RpcError> errors = new ArrayList();
75 for (RpcResult<O> flowModResult : results) {
76 if (flowModResult == null) {
77 errors.add(RpcResultBuilder.newError(
78 RpcError.ErrorType.PROTOCOL, OFConstants.APPLICATION_TAG,
79 "unexpected flowMod result (null) occurred"));
80 } else if (!flowModResult.isSuccessful()) {
81 errors.addAll(flowModResult.getErrors());
85 final RpcResultBuilder<O> rpcResultBuilder;
86 if (errors.isEmpty()) {
87 rpcResultBuilder = RpcResultBuilder.success();
89 rpcResultBuilder = RpcResultBuilder.<O>failed().withRpcErrors(errors);
92 finalFuture.set(rpcResultBuilder.build());
96 public void onFailure(final Throwable throwable) {
97 RpcResultBuilder<O> rpcResultBuilder = RpcResultBuilder.failed();
98 finalFuture.set(rpcResultBuilder.build());
100 }, MoreExecutors.directExecutor());