cctv-comm-server/src/main/java/com/its/cctv/xnettcp/cctvserver/codec/CctvTcpServerEncoder.java

package com.its.cctv.xnettcp.cctvserver.codec;

import com.its.app.utils.NettyUtils;
import com.its.cctv.config.RunningConfig;
import com.its.cctv.entity.TbCctvCtlr;
import com.its.cctv.global.AppRepository;
import com.its.cctv.xnettcp.cctvserver.handler.CctvServerIdleStatePacketHandler;
import io.netty.buffer.ByteBuf;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.slf4j.MDC;
import org.springframework.stereotype.Component;

@Slf4j
@RequiredArgsConstructor
@Component
@ChannelHandler.Sharable
public class CctvTcpServerEncoder extends MessageToByteEncoder<Object> {

    private final RunningConfig runningConfig;

     @Override
    protected void encode(ChannelHandlerContext ctx, Object msg, ByteBuf byteBuf) throws Exception {

        String ipAddress = NettyUtils.getRemoteIpAddress(ctx.channel());
        Channel channel = ctx.channel();
         TbCctvCtlr obj = AppRepository.getInstance().getCtlrIpMap().get(ipAddress);
        if (obj == null) {
            log.error("DsrcTcpServerEncoder.encode: Unknown Controller IP: {}. will be close.", ipAddress);
            CctvServerIdleStatePacketHandler.disconnectChannel(null, channel);
            return;
        }

        MDC.put("id", obj.getLogKey());

        if (obj.getChannel() != null && (channel != obj.getChannel())) {
            log.error("DsrcTcpServerEncoder.encode: {}, channel error, curr: {}, old: {}", ipAddress, channel.toString(), obj.getChannel().toString());
            CctvServerIdleStatePacketHandler.disconnectChannel(obj, channel);
            return;
        }

        if (!channel.isOpen() || !channel.isActive()) {
            log.error("DsrcTcpServerEncoder.encode: {}, isOpen: {}, isActive: {}. [{}]", ipAddress, channel.isOpen(), channel.isActive(), obj.getLogKey());
            CctvServerIdleStatePacketHandler.disconnectChannel(obj, channel);
            return;
        }

    }
}