net.bafeimao.umbrella.support.network.netty.handler.ProtocolStatsHandler.java Source code

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Here is the source code for net.bafeimao.umbrella.support.network.netty.handler.ProtocolStatsHandler.java

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/*
 * Copyright 2002-2015 by bafeimao.net, The umbrella Project
 *
 * 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 net.bafeimao.umbrella.support.network.netty.handler;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import net.bafeimao.umbrella.generated.CommonProto.MessageType;
import net.bafeimao.umbrella.generated.CommonProto.Packet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicLong;

/**
 * Handler???,?????
 * ????hi,??,??
 *
 * ????
 */
public class ProtocolStatsHandler extends SimpleChannelInboundHandler<Packet> {
    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolStatsHandler.class);

    private Map<MessageType, AtomicLong> protocolStatsMap = new HashMap<MessageType, AtomicLong>();

    {
        for (MessageType type : MessageType.values()) {
            protocolStatsMap.put(type, new AtomicLong(0));
        }
    }

    @Override
    public void channelRead0(ChannelHandlerContext ctx, Packet packet) throws Exception {
        try {
            MessageType messageType = packet.getType();

            // 
            AtomicLong counter = protocolStatsMap.get(messageType);
            if (counter != null) {
                long n = counter.incrementAndGet();
                LOGGER.info("type:{} -> {}", messageType, n);

                ctx.fireChannelRead(packet);
            } else {
                LOGGER.error("MessageType:{} was not found!", messageType);
            }

        } catch (Exception e) {
            LOGGER.error("{}", e);
            // TODO ??
        }
    }
}