通知消息队列

异步通知功能的消息队列

个人认为消息队列的主要特点是异步处理，主要目的是减少请求响应时间和解耦。所以主要的使用场景就是将比较耗时而且不需要即时（同步）返回结果的操作作为消息放入消息队列。同时由于使用了消息队列，只要保证消息格式不变，消息的发送方和...

FreeRTOS记录（七、FreeRTOS信号量、事件标志组、邮箱和消息队列、任务通知的关系）

我们在前面单独介绍过FreeRTOS的任务通知和消息队列，但是在FreeRTOS中任务间的通讯还有信号量，邮箱，事件组标志等可以使用这篇文章就这些成员与消息队列和任务通知的关系进行说明分析说明：FreeRTOS 专栏与我的 RT-Thread 专栏不同，我...

后端必备——数据通信知识(RPC、消息队列)一站式总结

此外，常用的消息队列应用场景还偷如下几个：解耦：一个业务的非核心流程需要依赖其他系统，但结果并不重要，有通知即可。最终一致性：指的是两个系统的状态保持一致，可以有一定的延迟，只要最终达到一致性即可。经常用在解决分布式事务上...

mqtt消息队列如何实现异步上下线通知

微消息队列mqtt适合使用代码监听客户端的上下线

IM开发基础知识补课(五)：通俗易懂，正确理解并用好MQ消息队列

4、MQ消息队列的常见消息模式常见的MQ消息队列消息模式有：1）P2P模式；2）Pub/sub模式（也就是常说的“发布/订阅”模式）；3）推(Push)模式和拉(Pull)模式。下面将逐个介绍这几种常消息模式。4.1 P2P模式▲典型的P2P消息模式原理图 P2P...

如何把设备状态变化通知订阅到另一个独立的消息队列中？

设备端SDK使用问题 MQTT连接

探索FreeRTOS的功能：线程，消息队列，邮箱，信号量，互斥量，任务通知，延时，虚拟...

可以选择从队列尾入队，从队列首入队和覆盖式入队)xQueueSendFromISRxQueueSend()的中断保护版本，用于在中断服务程序中向队列尾部发送一个队列消息，等价于 xQueueSendToBackFromISR()xQueueSendToFront向队列队首发送一个消息。...

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