From: Francis Cianfrocca <garbagecat10@...>
Date: 2007-02-22T06:27:32+09:00
Subject: Re: threads within a thread

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On 2/21/07, Brad Tilley <rtilley@vt.edu> wrote:
>
> I have a program that uses threads to quickly check class B networks
> (65,536)
> hosts for public web servers. It works great. I'd like to check for other
> servers as well. Basically, I've got the hosts threaded. Now, I'd like to
> thread the ports so that while the hosts are being probed concurrently
> that
> ports on the hosts could be probed concurrently as well. It might look
> like
> this:
>
> A Thread
>   host
>     A Thread
>       port 80
>       port 443
>       port 25
>   host
>     A Thread
>       port 445
>       port 139
>   host
>     A Thread
>   ...
>
> I can demonstrate actually code (with only threaded hosts) if that would
> be
> helpful, but I'd rather keep it abstract and discuss how to handle threads
> within a thread... hope that makes sense.
>
>
>
What's the nature of the probe that you're doing? A TCP connect on a given
port? If so, look at EventMachine (on Rubyforge). You may be able to
significantly improve on your runtime.

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