Re: Hi All, I am a newbee for cherrypy. My question is how to realize a link limitation for cherry?

Hi Paul.
    Really kind of you! Appreciate for your help.
    I have realized the function by dealing with session id in the 
applicaiton . 

在 2016年4月15日星期五 UTC+8下午5:37:26，kopernikus写道：
>
> Am 14.04.2016 um 04:46 schrieb Kevin Zhao: 
> > 2016-04-14 1:44 GMT+08:00 Tim Roberts <[email protected] <javascript:>>: 
> [snipp] 
>
> >> Why do you think one session will affect another session?  There is no 
> >> reason on earth why that has to be true.  All you have to do is send 
> >> over a "session identifier" during the first contact, then any 
> >> additional contact can send back the session identifier.  You can have 
> >> several machines doing installations at the same time.  You just have 
> to 
> >> remember how far along that particular session got. 
> >> 
> >>   In the target machine B, there is only one installation process . If 
> > several accesses to web 
> > server, the parameters may be affected. We just want to one user to do 
> the 
> > installation process. 
> > Thanks~ 
>
> Hi Kevin, 
>
> what you want to do is absolutely doable. You just need to understand that 
> the 
> implementation has very little to do with http and cherrypy but needs to 
> be 
> implemented at the application layer. Think about it as a system for 
> submitting 
> jobs (in your case: build an OS). 
>
> - user visits Webserver on A 
> - user fills in parameters and submits job 
> - A parses request and starts job on B 
> - A saves job state (in a file or database) 
> - A sends response to user about the job 
>
> If you only allow one job at a time, you tell any user except the one 
> "owning" 
> the job that you're busy. 
>
> To make this work you need a basic understanding how HTTP works, how 
> sessions 
> work with HTTP and how to implement sessions in cherrypy. 
>
> Just to make it clear: There is no magic switch that reads "do what I 
> want". You 
> absolutely need to understand how stuff works. I think you got enough 
> information in this thread to solve your problem. 
>
> cheers 
>   Paul 
>
>

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