org.hawkular.metrics.clients.ptrans.syslog.UdpSyslogEventDecoder Maven / Gradle / Ivy

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/*
 * Copyright 2014-2015 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * 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.hawkular.metrics.clients.ptrans.syslog;

import java.util.List;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.socket.DatagramPacket;
import io.netty.handler.codec.MessageToMessageDecoder;

/**
 * Decode Udp syslog packets by extracting the
 * content of the datagram and passing it to the decoder.
 * @author Heiko W. Rupp
 */
public class UdpSyslogEventDecoder extends MessageToMessageDecoder{

    @Override
    protected void decode(ChannelHandlerContext ctx, DatagramPacket msg, List