From: Dominik Werder <dwerder@...>
Date: 2003-05-16T22:30:34+09:00
Subject: Re: TCP Sockets

Thanks for posting,

I guess this should be working for me.
I'm only very confused why something like this is so hard to do.
But it's probably because everybody uses threads..

bye!
Dominik


> Sorry if this has already been covered, but, I've used select()
> successfully to test whether data is available at a socket.
> (I wrote a non-blocking multi-client server without threads this
> way before learning how well and easily Ruby threads handle
> socket I/O.)
>
> Was select() not appropriate to your situation?
>
> For what it's worth, here's a code example that's working for me
> from my non-threaded app:
>
> # read any available chars and append them to our local buffer
> def terminal_buffered_read
> begin if Kernel.select([self], nil, nil, 0)
> dat = self.recv(65536)
> if !dat || dat.empty?
> @term_eof = true
> else
> @term_read_buf << dat
> end
> end
> rescue IOError, SystemCallError
> @term_eof = true
> end
> end
>
> (The above was part of a module whose methods were added to a
> socket IO object via Object#extend.)