/*
 * Copyright (c) 2013 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.openflow.protocol;

import java.nio.ByteBuffer;
import java.util.List;

import junit.framework.TestCase;

import org.openflow.protocol.factory.BasicFactory;
import org.openflow.protocol.factory.OFMessageFactory;
import org.openflow.protocol.statistics.OFFlowStatisticsRequest;
import org.openflow.protocol.statistics.OFStatisticsType;
import org.openflow.protocol.statistics.OFVendorStatistics;
import org.openflow.util.OFTestCase;

public class OFStatisticsRequestTest extends OFTestCase {
    public void testOFFlowStatisticsRequest() throws Exception {
        byte[] packet = new byte[] { 0x01, 0x10, 0x00, 0x38, 0x00, 0x00, 0x00,
                0x16, 0x00, 0x01, 0x00, 0x00, (byte) 0xff, (byte) 0xff,
                (byte) 0xff, (byte) 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                (byte) 0xff, 0x00, (byte) 0xff, (byte) 0xff };

        OFMessageFactory factory = new BasicFactory();
        ByteBuffer packetBuf = ByteBuffer.wrap(packet);
        List<OFMessage> msgs = factory.parseMessages(packetBuf, packet.length);
        TestCase.assertEquals(1, msgs.size());
        TestCase.assertTrue(msgs.get(0) instanceof OFStatisticsRequest);
        OFStatisticsRequest sr = (OFStatisticsRequest) msgs.get(0);
        TestCase.assertEquals(OFStatisticsType.FLOW, sr.getStatisticType());
        TestCase.assertEquals(1, sr.getStatistics().size());
        TestCase.assertTrue(sr.getStatistics().get(0) instanceof OFFlowStatisticsRequest);
    }

    public void testOFStatisticsRequestVendor() throws Exception {
        byte[] packet = new byte[] { 0x01, 0x10, 0x00, 0x50, 0x00, 0x00, 0x00,
                0x63, (byte) 0xff, (byte) 0xff, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x4c, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x01, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x20,
                (byte) 0xe0, 0x00, 0x11, 0x00, 0x0c, 0x29, (byte) 0xc5,
                (byte) 0x95, 0x57, 0x02, 0x25, 0x5c, (byte) 0xca, 0x00, 0x02,
                (byte) 0xff, (byte) 0xff, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2d, 0x00, 0x50, 0x04,
                0x00, 0x00, 0x00, 0x00, (byte) 0xff, 0x00, 0x00, 0x00,
                (byte) 0xff, (byte) 0xff, 0x4e, 0x20 };

        OFMessageFactory factory = new BasicFactory();
        ByteBuffer packetBuf = ByteBuffer.wrap(packet);
        List<OFMessage> msgs = factory.parseMessages(packetBuf, packet.length);
        TestCase.assertEquals(1, msgs.size());
        TestCase.assertTrue(msgs.get(0) instanceof OFStatisticsRequest);
        OFStatisticsRequest sr = (OFStatisticsRequest) msgs.get(0);
        TestCase.assertEquals(OFStatisticsType.VENDOR, sr.getStatisticType());
        TestCase.assertEquals(1, sr.getStatistics().size());
        TestCase.assertTrue(sr.getStatistics().get(0) instanceof OFVendorStatistics);
        TestCase.assertEquals(68, ((OFVendorStatistics)sr.getStatistics().get(0)).getLength());
    }
}