org.opendaylight.protocol.bgp.flowspec.handlers.FSIpv4SourcePrefixHandler Maven / Gradle / Ivy
/*
* 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.protocol.bgp.flowspec.handlers;
import static com.google.common.base.Preconditions.checkArgument;
import static java.util.Objects.requireNonNull;
import io.netty.buffer.ByteBuf;
import org.opendaylight.protocol.util.Ipv4Util;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.destination.flowspec.FlowspecType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.destination.group.ipv4.flowspec.flowspec.type.SourcePrefixCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.destination.group.ipv4.flowspec.flowspec.type.SourcePrefixCaseBuilder;
public final class FSIpv4SourcePrefixHandler implements FlowspecTypeParser, FlowspecTypeSerializer {
public static final int SOURCE_PREFIX_VALUE = 2;
@Override
public void serializeType(final FlowspecType value, final ByteBuf output) {
checkArgument(value instanceof SourcePrefixCase, "SourcePrefixCase class is mandatory!");
output.writeByte(SOURCE_PREFIX_VALUE);
Ipv4Util.writeMinimalPrefix(((SourcePrefixCase) value).getSourcePrefix(), output);
}
@Override
public FlowspecType parseType(final ByteBuf buffer) {
requireNonNull(buffer, "input buffer is null, missing data to parse.");
return new SourcePrefixCaseBuilder().setSourcePrefix(Ipv4Util.prefixForByteBuf(buffer)).build();
}
}