setKeepAliveInterval
时间: 2023-11-06 11:18:48 浏览: 37
setKeepAliveInterval是一个方法,用于设置套接字的保持活动间隔。在给定的时间间隔内,套接字会发送心跳信号以保持连接活跃。这样,服务端就可以实时了解客户端的连接情况。[1] KeepAlive(心跳时间间隔)是用于服务端了解客户端连接情况的一种机制。 但需要注意,如果需要服务端保存重要报文,仅仅设置cleanSession为false是不够的,还需要传递的MQTT信息QoS级别大于0。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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