tcp/ip协议断开_第2页-阿里云

post一次给云数据库，TCP连接就断开了怎么办？

post一次给云数据库，TCP连接就断开了。用sim900a模块与云数据库建立的TCP连接，每次只能post一次给云数据库，然后TCP连接好像就关闭了。如果不post，直接发送一个心跳0x00，TCP连接不会关闭，可以一直发送0x00，会显示发送成功。这是什么原因？（我想一直post，保持那个网...

socket选项自带的TCP异常断开检测

TCP异常断开是指在突然断电,直接拔网线等等情况下,如果通信双方没有进行数据发送通信等处理的时候,无法获知连接已经断开的情况. 在通常的情况下,为了使得socket通信不受操作系统的限制,需要自己在应用层实现心跳包机制,来检查异常断开的情况,一般的方式就是服务器在一段时间没有收到客户端...

TCP连接与断开

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更新时间 2023-05-10 14:47:24

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