/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.shenyu.protocol.mqtt;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.handler.codec.mqtt.MqttMessage;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;

/**
 * mqtt transport handler.
 */
public class MqttTransportHandler extends ChannelInboundHandlerAdapter implements GenericFutureListener<Future<? super Void>> {

    @Override
    public void channelRead(final ChannelHandlerContext ctx, final Object msg) throws Exception {
        if (msg instanceof MqttMessage) {
            MqttFactory mqttFactory = new MqttFactory((MqttMessage) msg, ctx);
            mqttFactory.connect();
        } else {
            ctx.close();
        }

        super.channelRead(ctx, msg);
    }

    @Override
    public void operationComplete(final Future<? super Void> future) throws Exception {

    }

}
