The back endof our application needs to process message submissions and output the messages. With this in mind, let's put together a rough outline of the back-endcode.
此应用的后端需要处理信息的提交以及输出。把这个铭记在心,这样我们就可以为后端代码构建一个草图。
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Some back-end daemon process listening for messages posted to the input queue would receive the message and dispatch it to some piece ofcode capable of handling the message.