/*
* 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.bmp.impl;
import com.google.common.base.Preconditions;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufUtil;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageDecoder;
import java.util.List;
import org.opendaylight.protocol.bmp.spi.parser.BmpDeserializationException;
import org.opendaylight.protocol.bmp.spi.registry.BmpMessageRegistry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class BmpByteToMessageDecoder extends ByteToMessageDecoder {
private static final Logger LOG = LoggerFactory.getLogger(BmpByteToMessageDecoder.class);
private final BmpMessageRegistry registry;
public BmpByteToMessageDecoder(final BmpMessageRegistry registry) {
this.registry = Preconditions.checkNotNull(registry);
}
@Override
protected void decode(final ChannelHandlerContext ctx, final ByteBuf in, final List<Object> out) throws BmpDeserializationException {
if (in.isReadable()) {
LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));
out.add(this.registry.parseMessage(in));
} else {
LOG.trace("No more content in incoming buffer.");
}
}
}