setsockopt keepalive
时间: 2023-08-17 09:07:04 浏览: 172
keepalived
在设置套接字选项时,可以使用setsockopt函数来开启KeepAlive功能。通过设置套接字的SO_KEEPALIVE选项为1,即可启用KeepAlive功能。这样,在规定的时间内,套接字会自动发送心跳包,并在收到对方的回复后确认连接仍然有效。 请注意,默认情况下,TCP协议层并不会开启KeepAlive功能,因此需要手动设置SO_KEEPALIVE选项来启用它。另外,可以通过修改TCP_KEEPIDLE,TCP_KEEPINTVL和TCP_KEEPCNT参数来调整KeepAlive功能的超时和探测次数。 通过修改这些参数,可以更好地适应服务端应用程序的需求,并减少不必要的连接断开。引用 引用 引用<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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