From: Eric Hodel <drbrain@...7.net>
Date: 2005-08-23T11:52:23+09:00
Subject: Re: server.rb with a Manager and Job Class?


On 22 Aug 2005, at 07:06, Christopher Aldridge wrote:

> all, I couldnt get this to work so I'm hoping that someone can offer
> assistance..
>
> I've got ~ 9 XP machines that run server.rb from
> \\sambaserver\server.rb (for example)
>
> When I make changes to \\sambaserver\server.rb, I'd like to tell the
> clients to restart server.rb.
>
> Initally, I figured I could do it as such
> ##forgive sytax as I can't see my original code from here..
>
> //------------------------server-------------------------//
> class server
>      def handle_job
>           puts "doing what server should do day to day"
>      end
>
>      def manage_server
>           puts "shutting down server"
>           drb_stop_service  ##kills this drb service (or should)

            exec "ruby server.rb" # use rbconfig.rb to find ruby
>      end
> end
>
> sleep 10 #### to allow this process to die, and free up the  
> listening port
> DRb.start_service ## for class server
> //------------------------/server------------------------//
>
> What seems to happen, is netstat displays a persistant established
> session to the server port until the new server (opened with start)
> exists with a drb error stating it cant bind to the listening port,
> (due to the fact that the parent server.rb is utilizing it)
>
> Any way around this?   I'd really like to be able to manage these
> servers with out manual restarts etc.

exec might do it on win32, but I forget.  You may need to walk  
through all your sockets and close them before exec().  ObjectSpace  
will find them for you.

-- 
Eric Hodel - drbrain@segment7.net - http://segment7.net
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