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package com.argo.qpush.client;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Created by yaming_deng on 14-8-11.
 */
public class ClientConnectHandler extends ChannelInboundHandlerAdapter {

    protected static Logger logger = LoggerFactory.getLogger(ClientConnectHandler.class);

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        if (logger.isDebugEnabled()) {
            logger.debug("channelActive: {}", ctx.channel());
        }
        ClientProxyDelegate.instance.save(ctx);
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) {
        String jsonString = new String((byte[])msg);
        if (logger.isDebugEnabled()) {
            logger.debug("channelRead: {} -- > {} ", ctx.channel(), jsonString);
        }
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        ClientProxyDelegate.instance.remove(ctx);
        logger.error("Error. ", cause.getCause());
        ctx.close();
        reconnect();
    }

    @Override
    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
        logger.error("channelInactive: {}", ctx.channel());
        ctx.close();
        ClientProxyDelegate.instance.remove(ctx);
        reconnect();
    }

    private void reconnect() {
        if (ClientProxyDelegate.instance.isStopped()){
            return;
        }

        logger.info("reconnect....");
        ClientProxyDelegate.instance.newChannel();
    }

}