/*
 * 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.ignite.network.internal.netty;

import java.net.SocketAddress;
import java.util.function.BiConsumer;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import org.apache.ignite.network.NetworkMessage;

/**
 * Network message handler that delegates handling to {@link #messageListener}.
 */
public class MessageHandler extends ChannelInboundHandlerAdapter {
    /** Message listener.  */
    private final BiConsumer<SocketAddress, NetworkMessage> messageListener;

    /**
     * Constructor.
     *
     * @param listener Message listener.
     */
    public MessageHandler(BiConsumer<SocketAddress, NetworkMessage> listener) {
        messageListener = listener;
    }

    /** {@inheritDoc} */
    @Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        SocketAddress address = ctx.channel().remoteAddress();
        NetworkMessage message = (NetworkMessage) msg;
        messageListener.accept(address, message);
    }
}
