OpenEuphoria

Re: Trouble with "Web server and client"

• Posted by pampeano at ROCKETMAIL.COM Aug 02, 2001
• 420 views

What the read function does? Maybe that's the clue

Best Regards,
   Guillermo Bonvehí

--- Ted Fines <fines at macalester.edu> wrote:
> 
> I am having some trouble with Pete Eberlein's "Web server and client"
> for 
> Linux (http://www.rapideuphoria.com/webutils.zip).
> 
> Since the code is just socket communications, it need not be used
> only for 
> web access.  Just change the port to 21 for telnet, 143 for imap,
> etc., and 
> you should be able to communicate, right?
> 
> That's what I thought, but I've run into a stumbling block.
> 
> Take a look at Pete's sample code, which works fine:
>     data = allocate(1)
>     while 1 = c_func(read, {i, data, 1}) do
>         reply &= peek(data)
>     end while
>     free(data)
> 
> Now take a look at mine, which gets stuck for some reason:
>     data=allocate(1)
>     while 1 = c_func(read, {session, data, 1}) do
>         reply &= peek(data)
>     end while
>     free(data)
> 
> So I put in a couple lines to see what it being read:
> puts(1,sprintf("%s:%d-",{reply[length(reply)],
>                          reply[length(reply)]}))
> 
> I am running this with trace on, by the way.  In both cases, the last
> 
> characters read are a 13 then a 10.  But with Pete's code, the while
> loop 
> gets exited, while with mine, it just gets stuck; the cursor stays on
> the 
> 'end while' line and won't budge.
> 
> I am accessing Port 143 (IMAP), as opposed to 80 (http), but other
> than 
> that, there isn't any difference.
> 
> Can anyone see what I'm doing wrong?  I just don't see why my code
> hangs on 
> the while loop.  He has i declared as an integer, and data as an
> atom, 
> while have session as an integer, and data as an atom.  Any ideas?
> 
> Thanks,
> Ted Fines
> Macalester College
> 
> 
> 
> 
>