com.myftpserver.handler.CommandChannelTimeoutHandler.java Source code

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Here is the source code for com.myftpserver.handler.CommandChannelTimeoutHandler.java

Source

package com.myftpserver.handler;

import org.apache.logging.log4j.Logger;
import io.netty.channel.ChannelDuplexHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.timeout.IdleState;
import io.netty.handler.timeout.IdleStateEvent;

/*
 * Copyright 2004-2005 the original author or authors.
 *
 * 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.
 */
/**
 * 
 * @author SITO3
 *
 */
public class CommandChannelTimeoutHandler extends ChannelDuplexHandler {
    Logger logger;
    String remoteIp;

    /**
     * It is used to handle Command Channel event.
     * @param l Message logger
     * @param remoteIp The remote end of time out channel {@link io.netty.channel.Channel}
     */
    public CommandChannelTimeoutHandler(Logger l, String remoteIp) {
        this.logger = l;
        this.remoteIp = remoteIp;
    }

    @Override
    public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
        if (evt instanceof IdleStateEvent) {
            IdleStateEvent e = (IdleStateEvent) evt;
            if (e.state() == IdleState.READER_IDLE) {
                logger.debug("Command Channel (Remote IP addresss=" + remoteIp + ")  Timeout");
                ctx.close();
            }
        }
    }
}