Re: Possible to read request's host in config.ru?

[armanx <armanx@gmail.com>]

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Thank you so much for prompt and useful explanation.


On Saturday, September 22, 2012 3:42:32 AM UTC-7, Magnus Holm wrote:
>
> No, but this is what middleware are for: 
>
> class ApplicationChooser 
>   def initialize(apps) 
>     @apps = apps 
>   end 
>
>   def call(env) 
>     @apps.each do |proc, app| 
>       return app.call(env) if proc.call(env) 
>     end 
> end 
>
> run ApplicationChooser.new( 
>   proc { |env| env["SERVER_NAME"] == "example.com" } => App1, 
>   proc { |env| env["QUERY_STRING"] == "admin" } => App2, 
>   proc { |env| true } => Default 
> ) 
>
> // Magnus Holm 
>
>
> On Sat, Sep 22, 2012 at 12:32 PM, Arman <arm...@gmail.com <javascript:>> 
> wrote: 
> > Thanks for the quick answer. This definitely works. 
> > 
> > Our of curiosity, is it possible to see the host and other request 
> > information in config.ru? 
> > 
> > On Sep 22, 2012 3:04 AM, "Magnus Holm" <jud...@gmail.com <javascript:>> 
> wrote: 
> >> 
> >> It's already supported, you just need the trailing slash: 
> >> 
> >> map 'http://example1.com/' do 
> >>   run MyApp::Example1 
> >> end 
> >> 
> >> // Magnus Holm 
> >> 
> >> 
> >> On Sat, Sep 22, 2012 at 11:58 AM, armanx <arm...@gmail.com<javascript:>> 
> wrote: 
> >> > Is it possible to detect the incoming request's domain name (host) in 
> >> > config.ru? I'm trying to use URLMap to map different domains to 
> >> > different 
> >> > apps, all running on the same IP. Theoretically, I'm trying to 
> achieve 
> >> > this 
> >> > effect: 
> >> > 
> >> >> map 'http://example1.com' do 
> >> >> run MyApp::Example1 
> >> >> end 
> >> >> 
> >> >> 
> >> >> 
> >> >> 
> >> >> 
> >> >> map 'http://example2.com' do 
> >> >> run MyApp::Example2 
> >> >> end 
> >> > 
> >> > 
> >> > 
> >> > For example, if it was possible to read rack's SERVER_NAME in 
> config.ru, 
> >> > I 
> >> > would do something like: 
> >> > 
> >> >> if SERVER_NAME == 'example1.com' 
> >> >> map '/' do 
> >> >> run MyApp::Example1 
> >> >> end 
> >> >> end 
> >> > 
> >> > 
>

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