/*
* Copyright (c) 2017 Pantheon Technologies s.r.o. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.openflowplugin.impl.services.multilayer;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.SettableFuture;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.Future;
import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
import org.opendaylight.openflowplugin.impl.datastore.MultipartWriterProvider;
import org.opendaylight.openflowplugin.impl.services.AbstractTableMultipartService;
import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.TransactionId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.MultipartReplyBody;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyTableFeaturesCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table.features._case.MultipartReplyTableFeatures;
import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.features.TableFeatures;
import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MultiLayerTableMultipartService extends AbstractTableMultipartService<MultipartReply> {
private static final Logger LOG = LoggerFactory.getLogger(MultiLayerTableMultipartService.class);
public MultiLayerTableMultipartService(RequestContextStack requestContextStack,
DeviceContext deviceContext,
ConvertorExecutor convertorExecutor,
MultipartWriterProvider multipartWriterProvider) {
super(requestContextStack, deviceContext, convertorExecutor, multipartWriterProvider);
}
@Override
public Future<RpcResult<UpdateTableOutput>> handleAndReply(UpdateTableInput input) {
final ListenableFuture<RpcResult<List<MultipartReply>>> multipartFuture = handleServiceCall(input);
final SettableFuture<RpcResult<UpdateTableOutput>> finalFuture = SettableFuture.create();
class CallBackImpl implements FutureCallback<RpcResult<List<MultipartReply>>> {
@Override
public void onSuccess(final RpcResult<List<MultipartReply>> result) {
if (result.isSuccessful()) {
final List<MultipartReply> multipartReplies = result.getResult();
if (multipartReplies.isEmpty()) {
LOG.debug("Multipart reply to table features request shouldn't be empty list.");
finalFuture.set(RpcResultBuilder.<UpdateTableOutput>failed()
.withError(ErrorType.RPC, "Multipart reply list is empty.").build());
} else {
final Long xid = multipartReplies.get(0).getXid();
LOG.debug(
"OnSuccess, rpc result successful, multipart response for rpc update-table with xid {} obtained.",
xid);
final UpdateTableOutputBuilder updateTableOutputBuilder = new UpdateTableOutputBuilder();
updateTableOutputBuilder.setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
finalFuture.set(RpcResultBuilder.success(updateTableOutputBuilder.build()).build());
try {
storeStatistics(convertToSalTableFeatures(multipartReplies));
} catch (Exception e) {
LOG.warn("Not able to write to operational datastore: {}", e.getMessage());
}
}
} else {
LOG.debug("OnSuccess, rpc result unsuccessful, multipart response for rpc update-table was unsuccessful.");
finalFuture.set(RpcResultBuilder.<UpdateTableOutput>failed().withRpcErrors(result.getErrors())
.build());
}
}
@Override
public void onFailure(final Throwable t) {
LOG.error("Failure multipart response for table features request. Exception: {}", t);
finalFuture.set(RpcResultBuilder.<UpdateTableOutput>failed()
.withError(ErrorType.RPC, "Future error", t).build());
}
}
Futures.addCallback(multipartFuture, new CallBackImpl());
return finalFuture;
}
protected List<org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.features.TableFeatures> convertToSalTableFeatures(
final List<MultipartReply> multipartReplies) {
final List<org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.features.TableFeatures> salTableFeaturesAll = new ArrayList<>();
for (final MultipartReply multipartReply : multipartReplies) {
if (multipartReply.getType().equals(MultipartType.OFPMPTABLEFEATURES)) {
final MultipartReplyBody multipartReplyBody = multipartReply.getMultipartReplyBody();
if (multipartReplyBody instanceof MultipartReplyTableFeaturesCase) {
final MultipartReplyTableFeaturesCase tableFeaturesCase = ((MultipartReplyTableFeaturesCase) multipartReplyBody);
final MultipartReplyTableFeatures salTableFeatures = tableFeaturesCase
.getMultipartReplyTableFeatures();
final Optional<List<TableFeatures>> salTableFeaturesPartial =
getConvertorExecutor().convert(salTableFeatures, getData());
salTableFeaturesPartial.ifPresent(salTableFeaturesAll::addAll);
LOG.debug("TableFeature {} for xid {}.", salTableFeatures, multipartReply.getXid());
}
}
}
return salTableFeaturesAll;
}
}