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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.bgp.controller.impl;
import java.util.List;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.handler.codec.oneone.OneToOneEncoder;
import org.onosproject.bgpio.protocol.BgpMessage;
import org.onlab.util.HexDump;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Encode an bgp message for output into a ChannelBuffer, for use in a
* netty pipeline.
*/
public class BgpMessageEncoder extends OneToOneEncoder {
protected static final Logger log = LoggerFactory.getLogger(BgpMessageEncoder.class);
@Override
protected Object encode(ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception {
log.debug("BGPMessageEncoder::encode");
if (!(msg instanceof List)) {
log.debug("Invalid msg.");
return msg;
}
@SuppressWarnings("unchecked")
List<BgpMessage> msglist = (List<BgpMessage>) msg;
ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
log.debug("SENDING MESSAGE");
for (BgpMessage pm : msglist) {
pm.writeTo(buf);
}
HexDump.dump(buf);
return buf;
}
}
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