From: Piyush Ranjan <piyush.pr@...>
Date: 2010-11-01T19:42:00+09:00
Subject: Re: create a shell within an app

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check out hijack

http://github.com/ileitch/hijack
<http://github.com/ileitch/hijack>

On Mon, Nov 1, 2010 at 3:35 PM, Robert Klemme <shortcutter@googlemail.com>wrote:

> On 01.11.2010 07:19, Rahul Kumar wrote:
>
>> I have a client application - often i am needing to explore/inspect the
>> classes that I get from the server. Loading the client each time with a
>> logger.debug statement is cumbersome and takes time due to server
>> connections and getting data.
>>
>> I'd like to be able to expose the insides of the client to a shell
>> (could be inside the client) or could connect to the client. It's an
>> ncurses app, I can always prompt the user on clicking some key.
>>
>> However, my query is: how does one expose the environment to this shell.
>> On the prompt given, I should be able to query objects just as in irb.
>> e.g
>>
>>> x.class
>>>> x.public_methods
>>>> x.name
>>>>
>>>
> IIRC you can embed IRC pretty easily.  The issue then might be how you
> limit access to areas of your application that should stay unchanged.
>
>
>  Alternatively, is there already some existing gem which allows me to
>> expose the internals to a port, so another irb-like client can connect
>> and query the state ?
>>
>
> You might just listen on some port with TCPServer and implement a
> rudimentary command line interface which then can be connected to via
> telnet.  That shouldn't be too hard.  Depends on your requirements for
> security though.
>
> Kind regards
>
>        robert
>
> --
> remember.guy do |as, often| as.you_can - without end
> http://blog.rubybestpractices.com/
>
>

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