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hefeixia

2021-02-18 5b8c95c760840f09910730943b21391e47187315

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package chat.server.netty; 
 
import org.apache.log4j.Logger;
 
import chat.server.Configer;
import chat.server.moquette.BytesMetricsCollector;
import chat.server.moquette.MessageMetricsCollector;
import chat.server.moquette.MqttBytesMetricsHandler;
import chat.server.moquette.MqttDecodHandler;
import chat.server.moquette.MqttDispatcher;
import chat.server.moquette.MqttEncodHandler;
import chat.server.moquette.MqttIdleTimeoutHandler;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.timeout.IdleStateHandler;
 
public class NettyTCPChannelInitializer extends ChannelInitializer<SocketChannel> {
 
//    private MessageMetricsCollector messageMetricsCollector;
    private BytesMetricsCollector bytesMetricsCollector;
    
    protected Logger logger = Logger.getLogger(NettyTCPChannelInitializer.class);
    
    
    @Override
    protected void initChannel(SocketChannel channel) throws Exception {
        int timeoutSeconds = Configer.getInteger("timeout", 10);
        
        ChannelPipeline pipeline = channel.pipeline();
        
        ChannelHandler bytesMetricsHandler = new MqttBytesMetricsHandler(bytesMetricsCollector);
        ChannelHandler idleStateHandler = new IdleStateHandler(timeoutSeconds, 0, 0);
        ChannelHandler timeoutHandler = new MqttIdleTimeoutHandler();
        ChannelHandler decoder = new MqttDecodHandler();
        ChannelHandler encoder = new MqttEncodHandler();
        //ChannelHandler messageMetricsHandler = new MqttMessageMetricsHandler(messageMetricsCollector);
        //ChannelHandler messageLogger = new MqttMessageLoggerHandler();
        ChannelHandler dispatcher = new MqttDispatcher();
        
        pipeline.addFirst("bytemetrics", bytesMetricsHandler);
        pipeline.addLast("idleStateHandler", idleStateHandler);
        pipeline.addAfter("idleStateHandler", "idleEventHandler", timeoutHandler);
        
        pipeline.addLast("decoder", decoder);
        pipeline.addLast("encoder", encoder);
        //pipeline.addLast("metrics", messageMetricsHandler);
        //pipeline.addLast("messageLogger", messageLogger);
        pipeline.addLast("handler", dispatcher);
    }
 
    public void setMessageMetricsCollector(MessageMetricsCollector messageMetricsCollector) {
//        this.messageMetricsCollector = messageMetricsCollector;
    }
 
    public void setBytesMetricsCollector(BytesMetricsCollector bytesMetricsCollector) {
        this.bytesMetricsCollector = bytesMetricsCollector;
    }
 
}