package com.ld.igds.protocol.beibo.grainv1.server;

import com.ld.io.api.HeartbeatProvider;
import com.ld.io.api.IoSession;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

/**
 * 提供心跳信息
 *
 * @author czt
 */
@Slf4j
@Service
public class BeiboGrainV1HeartbeatImpl implements HeartbeatProvider {

    @Override
    public byte[] provide(IoSession session) {


        //直接根据主机SESSIOn判断
        IoSession session1 = BeiboGrainV1ServerUtils.getSession();

        Long lastBeatTime = BeiboGrainV1ServerUtils.getHearBeat(session1);

        if (null == lastBeatTime) {
            return null;
        }

        //如果最后一次终端心跳时间距离当前时间大于 终端心跳时间的3次，则判断为离线
        long deTime = System.currentTimeMillis() - lastBeatTime;

        if (deTime > (BeiboGrainV1ServerUtils.HEART_BEAT_TIME * 3 * 1000)) {
            log.info("-----------超过{}秒未获取到心跳信息，判定终端离线，踢出连接------------{}-{}", deTime, session.getAddress(), session.getPort());

            session.destroy();
        }

        return null;
    }
}