/*
 * Copyright (c) 2015 Cisco Systems, Inc. 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.statistics.services.dedicated;

import java.util.List;
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.api.openflow.device.Xid;
import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.EventIdentifier;
import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.StatisticsGatherer;
import org.opendaylight.openflowplugin.impl.common.MultipartRequestInputFactory;
import org.opendaylight.openflowplugin.impl.services.AbstractMultipartService;
import org.opendaylight.openflowplugin.impl.statistics.ofpspecific.EventsTimeCounter;
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.OfHeader;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Created by Martin Bobak <mbobak@cisco.com> on 4.4.2015.
 */
public class StatisticsGatheringService extends AbstractMultipartService<MultipartType> implements StatisticsGatherer {

    private static final Logger LOG = LoggerFactory.getLogger(StatisticsGatheringService.class);

    public StatisticsGatheringService(final RequestContextStack requestContextStack, final DeviceContext deviceContext) {
        super(requestContextStack, deviceContext);
    }

    @Override
    public Future<RpcResult<List<MultipartReply>>> getStatisticsOfType(final EventIdentifier eventIdentifier, final MultipartType type) {
        LOG.debug("Getting statistics for node {} of type {}", getNodeId(), type);
        EventsTimeCounter.markStart(eventIdentifier);
        setEventIdentifier(eventIdentifier);
        return handleServiceCall(type);
    }

    @Override
    protected OfHeader buildRequest(final Xid xid, final MultipartType input) {
        return MultipartRequestInputFactory.makeMultipartRequestInput(xid.getValue(), getVersion(), input);
    }
}