阅读Redis源码(三) -- redis通信协议与事件驱动-Mysql Tutorial-php.cn

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阅读Redis源码(三) -- redis通信协议与事件驱动

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Jun 07, 2016 pm 04:37 PM

rediseventprotocolSource codecommunicationreaddrive

在redis中,关于事件驱动框架的代码集中在ae.h/ae.c中.作者也在头部设置了介绍:a simple event-driven programming library. 这个框架其实很简单,核心就是一个消息队列,同时只有一个线程负责对其进行处理,这里面的调度思想,还是简单的优先级队列,文件操作优先

在redis中,关于事件驱动框架的代码集中在ae.h/ae.c中.作者也在头部设置了介绍:a simple event-driven programming library. 这个框架其实很简单,核心就是一个消息队列,同时只有一个线程负责对其进行处理,这里面的调度思想,还是简单的优先级队列,文件操作优先级永远高于时间操作.而且任务之间并不会进行抢占. 具体执行过程,可以参照如下干特图: ``` time -------... 0 ，那么说明目前没有任何时间事件到达 nearest_te_remaind_ms = te.when - now_in_ms() if nearest_te_remaind_ms >

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