From: Francis Cianfrocca <garbagecat10@...>
Date: 2007-03-07T10:49:20+09:00
Subject: Re: How to do INTERESTING things with Ruby sockets???

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On 3/6/07, theosib@gmail.com <theosib@gmail.com> wrote:
>
> I've done quite a bit of reading about socket programming in Ruby, but
> most of the examples show simple cases of accepting a socket
> connection, spitting out some fixed bit of data, and then closing.
> What about socket connections where you can't predict the length or
> timing of data that you'll receive?  None of the available web pages
> give any hint of how to work interactively with sockets.
>
> Here are a few things that I was hoping maybe some knowledgable people
> could help me figure out how to do with sockets in Ruby:
>
> - Block until 1 or more bytes have been received, and then return as
> many as have arrived (even if fewer than some buffer size)
>
> - Block until a fixed number of bytes have been received, or a time-
> out has elapsed
>
> - Check how many bytes have been received without blocking
>
> - Detect when the other end has closed the socket
>
> - Distinguish between a timeout and a closed socket



You don't say if this is a learning exercise in low-level socket programming
or if you actually have to develop an app. If it's the latter, you may want
to look at the Ruby/EventMachine library. It wraps up the low-level socket
issues so you can concentrate on the app-level code.

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