Ian, Stuart, Thanks for the explanation. So we should assert that any ports coming in from config files are between 0 and 65,535.
-Chuck On Sunday 30 March 2003 07:13 pm, Stuart Donaldson wrote: > If you were using a port number of 80000, it was probably broken for > three years. The TCP port number is a 16 bit value which limits you > to 64K. For reference, see section 3.1 of rfc 793 > http://www.faqs.org/rfcs/rfc793.html Source and Destination ports are > 16 bits. > > The new code uses the sockaddr as returned by the sock.getsockname() > to determine which handler to use. The getsockname is returning a > number which has already been truncated into the 16 bit value. > > The old code did no such thing, and only did a getsockname() > comparison for the monitor port (which would have failed if the > monitor port was > 64k). If it wasn't the monitor port then it > assumed it to be the app server. > > My guess is that for this to have worked, nobody was doing a range > check on the port in the past, and it was just silently getting > mapped into the 16 bit value. > > -Stuart - > > Chuck Esterbrook wrote: > >On Sunday 30 March 2003 05:37 pm, Ian Bicking wrote: > >>On Sun, 2003-03-30 at 18:48, Chuck Esterbrook wrote: > >>>On a hunch, I changed the port from its original value of 80000 to > >>>9999 and now it works. I then reversed the situation: I installed > >>>fresh copies of Apache and WebwareCVS, got them working, then > >>>pumped up the port # to 70001 and got this: > >>> > >>>KeyError: ('127.0.0.1', 4465) > >>> > >>>Looks like a classic case of 16bit vs 32bit. I thought those days > >>>were over! :) > >> > >>That's just the way it is, there's 65k ports, no more. It should > >>never work, though confusingly it seems to be just cutting off the > >>high bits. I suppose there should be an assert somewhere to make > >> sure you don't try anything too large. > >> > >> Ian > > > >Port 80000 worked for almost 3 years and stopped working under the > > new ThreadedAppServer.py just ten days ago. That belies "there's > > 65k ports, no more". > > > >I'm guessing that a library used by the new code is arbitrarily > > chopping things off. It's not the end of the world, but it's > > unfortunate that some libraries still "exist in a 16-bit world". ------------------------------------------------------- This SF.net email is sponsored by: The Definitive IT and Networking Event. Be There! NetWorld+Interop Las Vegas 2003 -- Register today! http://ads.sourceforge.net/cgi-bin/redirect.pl?keyn0001en _______________________________________________ Webware-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/webware-devel
