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package com.iteaj.iot;

import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.group.ChannelGroup;

import java.util.Optional;

/**
 * 设备链接管理
 * 用来管理设备和链接的映射关系
 * Create Date By 2017-09-12
 * @author iteaj
 * @since 1.7
 */
public interface ChannelManager extends ChannelGroup, SocketDeviceManager {

    /**
     * 写出报文
     * @param equipCode 设备编号
     * @param msg 发送的协议
     * @param args 自定义参数
     * @return
     */
    @Override
    Optional writeAndFlush(String equipCode, Object msg, Object... args);

    /**
     * 写出协议
     * @see Protocol#requestMessage() 请求的报文
     * @see Protocol#responseMessage() 响应的报文
     * @param equipCode 设备编号
     * @param protocol 要写出的协议
     * @return
     */
    @Override
    Optional writeAndFlush(String equipCode, Protocol protocol);
}