package com.ard.tianyu.netty.command; import io.netty.buffer.ByteBuf; /** * 心跳命令 * * @author 刘苏义 * @date 2024/10/22 16:36 */ public class HeartbeatCommand extends BaseCommand { private final long timestamp; public HeartbeatCommand(long timestamp) { setDataHeader((short)0x7479); setDataLength((short)0x09); setCmdCode((byte)0x02); this.timestamp = timestamp; } public void encode(ByteBuf out) { out.writeLong(timestamp); // 写入时间戳 } }