/*
 * Copyright (c) 2013 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.openflowjava.protocol.impl.util;

import junit.framework.Assert;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.UnpooledByteBufAllocator;

import org.junit.Test;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowWildcardsV10;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.v10.grouping.MatchV10;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.v10.grouping.MatchV10Builder;

/**
 * @author michal.polkorab
 *
 */
public class OF10MatchSerializerTest {

    /**
     * Testing correct serialization of ofp_match
     */
    @Test
    public void test() {
        ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
        MatchV10Builder builder = new MatchV10Builder();
        builder.setWildcards(new FlowWildcardsV10(false, false, false, true, false,
                false, true, false, true, true, true));
        builder.setNwSrcMask((short) 24);
        builder.setNwDstMask((short) 16);
        builder.setInPort(6653);
        builder.setDlSrc(new MacAddress("01:01:01:01:01:01"));
        builder.setDlDst(new MacAddress("02:02:02:02:02:02"));
        builder.setDlVlan(128);
        builder.setDlVlanPcp((short) 2);
        builder.setDlType(15);
        builder.setNwTos((short) 14);
        builder.setNwProto((short) 85);
        builder.setNwSrc(new Ipv4Address("1.1.1.2"));
        builder.setNwDst(new Ipv4Address("32.16.8.1"));
        builder.setTpSrc(2048);
        builder.setTpDst(4096);
        MatchV10 match = builder.build();
        OF10MatchSerializer.encodeMatchV10(out, match);
        
        Assert.assertEquals("Wrong wildcards", 2361553, out.readUnsignedInt());
        Assert.assertEquals("Wrong in-port", 6653, out.readUnsignedShort());
        byte[] dlSrc = new byte[6];
        out.readBytes(dlSrc);
        Assert.assertEquals("Wrong dl-src", "01:01:01:01:01:01", ByteBufUtils.macAddressToString(dlSrc));
        byte[] dlDst = new byte[6];
        out.readBytes(dlDst);
        Assert.assertEquals("Wrong dl-dst", "02:02:02:02:02:02", ByteBufUtils.macAddressToString(dlDst));
        Assert.assertEquals("Wrong dl-vlan", 128, out.readUnsignedShort());
        Assert.assertEquals("Wrong dl-vlan-pcp", 2, out.readUnsignedByte());
        out.skipBytes(1);
        Assert.assertEquals("Wrong dl-type", 15, out.readUnsignedShort());
        Assert.assertEquals("Wrong nw-tos", 14, out.readUnsignedByte());
        Assert.assertEquals("Wrong nw-proto", 85, out.readUnsignedByte());
        out.skipBytes(2);
        Assert.assertEquals("Wrong nw-src", 16843010, out.readUnsignedInt());
        Assert.assertEquals("Wrong nw-dst", 537921537, out.readUnsignedInt());
        Assert.assertEquals("Wrong tp-src", 2048, out.readUnsignedShort());
        Assert.assertEquals("Wrong tp-dst", 4096, out.readUnsignedShort());
    }
    
    /**
     * Testing correct serialization of ofp_match
     */
    @Test
    public void test2() {
        ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
        MatchV10Builder builder = new MatchV10Builder();
        builder.setWildcards(new FlowWildcardsV10(true, true, true, true, true,
                true, true, true, true, true, true));
        builder.setNwSrcMask((short) 0);
        builder.setNwDstMask((short) 0);
        builder.setInPort(6653);
        builder.setDlSrc(new MacAddress("01:01:01:01:01:01"));
        builder.setDlDst(new MacAddress("02:02:02:02:02:02"));
        builder.setDlVlan(128);
        builder.setDlVlanPcp((short) 2);
        builder.setDlType(15);
        builder.setNwTos((short) 14);
        builder.setNwProto((short) 85);
        builder.setNwSrc(new Ipv4Address("1.1.1.2"));
        builder.setNwDst(new Ipv4Address("32.16.8.1"));
        builder.setTpSrc(2048);
        builder.setTpDst(4096);
        MatchV10 match = builder.build();
        OF10MatchSerializer.encodeMatchV10(out, match);
        
        Assert.assertEquals("Wrong wildcards", 4194303, out.readUnsignedInt());
        Assert.assertEquals("Wrong in-port", 6653, out.readUnsignedShort());
        byte[] dlSrc = new byte[6];
        out.readBytes(dlSrc);
        Assert.assertEquals("Wrong dl-src", "01:01:01:01:01:01", ByteBufUtils.macAddressToString(dlSrc));
        byte[] dlDst = new byte[6];
        out.readBytes(dlDst);
        Assert.assertEquals("Wrong dl-dst", "02:02:02:02:02:02", ByteBufUtils.macAddressToString(dlDst));
        Assert.assertEquals("Wrong dl-vlan", 128, out.readUnsignedShort());
        Assert.assertEquals("Wrong dl-vlan-pcp", 2, out.readUnsignedByte());
        out.skipBytes(1);
        Assert.assertEquals("Wrong dl-type", 15, out.readUnsignedShort());
        Assert.assertEquals("Wrong nw-tos", 14, out.readUnsignedByte());
        Assert.assertEquals("Wrong nw-proto", 85, out.readUnsignedByte());
        out.skipBytes(2);
        Assert.assertEquals("Wrong nw-src", 16843010, out.readUnsignedInt());
        Assert.assertEquals("Wrong nw-dst", 537921537, out.readUnsignedInt());
        Assert.assertEquals("Wrong tp-src", 2048, out.readUnsignedShort());
        Assert.assertEquals("Wrong tp-dst", 4096, out.readUnsignedShort());
    }
}