tbnl-devel

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865 discussions

[tbnl-devel] Re: [Lispweb] tbnl: what package?
by Edi Weitz 10 Feb '06

10 Feb '06

[This is probably better asked on the TBNL mailing list.] On Fri, 10 Feb 2006 21:15:19 +1000, Igor Plekhov <penguin(a)ocean.vvo.ru> wrote: > In TBNL some functions are created to handle incoming requests. Functions are created? You're talking about your own handlers or something else? > What package are they executed in? I.e. what package *PACKAGE* is > bound to? How can I control it? In your own functions you can rebind *PACKAGE* to your liking. (let ((*package* (my-function))) ;; do something ) For existing TBNL functions the package shouldn't matter with the exception of READ-FROM-STRING* the behaviour of which is documented: <http://weitz.de/tbnl/#read-from-string*> Does that answer your question or am I misunderstanding?

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Re: [tbnl-devel] tbnl configuration
by Edi Weitz 10 Feb '06

10 Feb '06

[Please use the mailing list.] On Fri, 10 Feb 2006 04:31:27 -0800, CyBerHigh <cyberhigh(a)gurusnetwork.org> wrote: > Sorry I ment Apache 13 with mod_lisp. There is no Apache 13. You probably mean 1.3. > I am on Freebsd 5.4 with SBCL .0.9.9 OK, then you don't have threads. That explains your problems. > My handler looks like this > LispServer 127.0.0.1 3000 "tbnl" > AddHandler lisp-handler .lisp > <Location /tbnl> > SetHandler lisp-handler > </Location> That's not the kind of handler I was talking about. I meant your Lisp handlers. <http://weitz.de/tbnl/#handlers> > Now, adding the .lisp part helped out, I can now get it to error out > saying something isn't configured write, when I try to go to a .lisp > file. I tryed to put a simple (format t "hello, world") into the > file but it gave me the same thing. Where do you expect the output of FORMAT to go? > I can't tell where it is erroring out at, because it doesn't put it > into the error log nor does it print it to the screen. What do you see in Apache's access log? > Any idea as to how I can get it printed out? Get what printed out? You can use LOG-MESSAGE to write to the error log. > It is possible that the slowness I was experincing could have been > from it being misconfigured. I think it's because you don't have threads. On FreeBSD use CMUCL. Cheers, Edi.

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[tbnl-devel] tbnl configuration
by CyBerHigh 10 Feb '06

10 Feb '06

Hello I am trying to set up my first running of tbnl. Well, I got everything working to a point. I am using apache 12 and SBCL as my lisp. TBNL works, I can go to the test page and everything works on it. The problem with my set up is that it doesn't seem to be able to do anything else besides the default pages. Like, I tried to make it so that everything inside of /asp would be ran with TBNL server, however it just gives me a page saying that TBNL isn't proberly configured yet. Any idea as to how I can set it so this will work? Also is is possible for me to be able to set up apache to handle any file with the .lisp extention as a lisp file and send it to TBNL server? As I was playing with the test page I noticed that the server didn't seem very responsive. Well, it was on the first load but as soon as I would click on a link the page would like hang. Infact it never would load the page, I am not sure if this is because I havn't configured something right. If it is always like this could you let me know, because it wouldn't be very suited for production use if I can't get past the first page easyly. I am not saying that I couldn't ever, I had to click on the link a bunch and finally it would switch. Or I would have to wait like 5 mins then I could change the page. That IMO isn't very usfull for production. Is there a fix to this slow responsivness? Thank you

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[tbnl-devel] Hunchentoot 0.1.3 released
by Edi Weitz 08 Feb '06

08 Feb '06

ChangeLog: Version 0.1.3 2006-02-08 Removed KMRCL workaround Download: <http://weitz.de/files/hunchentoot.tar.gz>

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[tbnl-devel] New version 0.9.7
by Edi Weitz 08 Feb '06

08 Feb '06

ChangeLog: Version 0.9.7 2006-02-06 More robust computation of content length Download: <http://weitz.de/files/tbnl.tar.gz> Cheers, Edi.

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Re: [tbnl-devel] Re: TBNL file descriptor leak
by Edi Weitz 02 Feb '06

02 Feb '06

On Sun, 22 Jan 2006 10:20:04 -0700, "Robert J. Macomber" <tbnl(a)rojoma.com> wrote: > In my apache2 config, I've got this [simplified]: > > LispServer 127.0.0.1 3000 lisp > <VirtualHost *:80 *:54321> > ServerName lisp.rojoma.com > DocumentRoot /home/robertm/mod_lisp > <LocationMatch /.*\.l> > SetHandler lisp-handler > </LocationMatch> > </VirtualHost> > > If you visit the url http://lisp.rojoma.com/%ef.l apache sends bytes > for the script-filename parameter which can be interpreted as the > latin-1 string "/home/robertm/mod_lisp/ï.l". If they're interpreted > as UTF-8, like sbcl's READ-LINE tries to do when running in an UTF-8 > locale (since kmrcl doesn't specify an explicit :external-format in > ACCEPT-TCP-CONNECTION) an error is thrown in GET-REQUEST-DATA. > > In fact, a user can make apache send arbitrary bytes to lisp while > it's reading the request headers in other ways too (e.g., sending a > "Mumble: {random octets}" header) but script-filename is the only > one where Apache will do so more or less on its own. > > I changed kmrcl here rather than making tbnl send a "bad request" > reply because you never know what random junk proxies and such will > throw into users' HTTP request headers, and I didn't want to deny > service just because some proxy is adding the (accented) name of > their ISP to user-agent strings or something. I haven't actually > seen that happen yet, but the net is vast. OK, thanks for the info. I've been thinking about extracting the relevant bits from KMRCL and integrating them into TBNL directly anyway. We only use a small fraction of what's in there and it might make sense to make some of this user-configurable, not only because of the external format but also because of the interface(s) TBNL will listen on, for example. I'll do that one day... :) Cheers, Edi.

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[tbnl-devel] tbnl as unix daemon
by Keith Irwin 31 Jan '06

31 Jan '06

Folks-- I want to be able to start/stop a tbnl based app via a script. I've done this before with my own server apps, so it all seems relatively straight forward. In other words, I have a Makefile which builds a core, copies shared-libs, packages it all up in a tarball, etc, etc, such that I can deploy the app on any machine, regardless of whether or not SBCL is installed. The problem is that (start-tbnl) starts up a thread, then returns, and with that return, sbcl quits, and I got no daemon. Is there a way to start tbnl without it returning? I suppose I can do something like: (defun daemon-start () (tbnl:start-tbnl) (wait-forever)) and then let my init.d script send a kill signal as I've already planned. Is that the recommended method (assuming I can find a wait-forever function, or just (read) or something)? In case it needs be said, I really value running tbnl inside a repl with slime and all that, but this is for the case where that's not desired or necessary. Thanks for any lore about what you all do in a similar case! ;) Keith

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[tbnl-devel] Re: TBNL file descriptor leak
by Robert J. Macomber 22 Jan '06

22 Jan '06

On Sun, Jan 22, 2006 at 12:41:15AM +0100, Edi Weitz wrote: > > [not subscribed to tbnl-devel] > > You should be... :) All right; now I am. > I don't really like that idea. Instead, I now decided to send a 400 > (Bad Request) reply to the client. Check out TBNL 0.9.5 and see if it > works for you. It fixes the problem I was seeing, but I've uncovered a new one. However, this one's not really TBNL's fault. If you send a non-UTF8 urlencoded sequence _before_ the `?' in the request, TBNL dies the same as before, because headers are read from the bivalent stream with read-line (that is, in character mode) but Apache(*) de-url-encodes names before passing them on for the `script-filename' header. It can be fixed by either making kmrcl open the bivalent stream explicitly with :external-format :latin-1 or by running sbcl in a latin-1 locale. In any case, I haven't hit any more socket leaks now that that one's been tracked down, so it looks like all's right in the world, at least as far as TBNL's concerned. (*) now I'm using apache2 and mod_lisp2 version 1.3 -- Robert Macomber tbnl(a)rojoma.com

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[tbnl-devel] New release 0.9.5
by Edi Weitz 22 Jan '06

22 Jan '06

ChangeLog: Version 0.9.5 2006-01-22 Made creation of REQUEST object safer (thanks to Robert J. Macomber) Replaced some erroneous DECLAIMs with DECLAREs (thanks to SBCL's style warnings) Slight documentation enhancements Download: <http://weitz.de/files/tbnl.tar.gz> Cheers, Edi.

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[tbnl-devel] Error reading from Lisp (?)
by Edi Weitz 08 Jan '06

08 Jan '06

Hi! I'm currently having some trouble with a long-running TBNL/mod_lisp application on a public website which gets about 500,000 requests per month. It's an application delivered with LispWorks professional 4.4.6 and it runs on Linux behind Apache 2.0.54. >From time to time I see errors in the server log file and sometimes (very rarely) users also have reported errors. It turns out they're all of the "error reading from Lisp" kind. I hacked mod_lisp2.c a bit to make this more specific and I now get one of "error reading from Lisp (fill status)" or "error reading header name." This means that the error happens either when the reply entity is copied from Lisp to the client or when mod_lisp tries to read a header name from Lisp. I've attached a couple of these error message to the end of this email. What's suspicious for me is that they almost always come in chunks - half a dozen of them or more in a couple of seconds, then several hours without errors. I'm calling MARK-AND-SWEEP from time to time but at intervals that don't match the time of the error messages. (My first thought was that a full GC blocks LW long enough for mod_lisp to time out but that doesn't seem to be the case.) Other than that I only use locks in admin parts of the website which are clearly not used in the middle of the night when some of these errors happened. I'm lost. Does anyone have an idea where I should look to find the cause for these problems? Thanks, Edi. [Fri Jan 06 00:50:05 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 00:50:06 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 00:50:07 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 00:50:09 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 00:50:10 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 00:50:11 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 00:50:13 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 00:50:14 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 00:50:15 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 00:50:17 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 03:41:34 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 03:41:36 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 03:41:37 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 03:41:38 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 03:41:40 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 03:41:41 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 03:41:43 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 03:41:44 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 03:41:45 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 03:41:46 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 16:52:00 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 16:52:01 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 16:52:05 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 16:52:06 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 16:52:07 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 16:52:08 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 16:52:09 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 16:52:10 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 16:52:11 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 16:52:12 2006] [error] (70007)The timeout specified has expired: error reading header name [Fri Jan 06 18:07:26 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Fri Jan 06 21:53:49 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 04:31:45 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 05:03:53 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 06:04:10 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 07:05:02 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 07:56:04 2006] [error] (70007)The timeout specified has expired: error reading header name [Sat Jan 07 07:56:05 2006] [error] (70007)The timeout specified has expired: error reading header name [Sat Jan 07 07:56:06 2006] [error] (70007)The timeout specified has expired: error reading header name [Sat Jan 07 10:03:19 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 10:28:26 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 11:22:53 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 11:23:57 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 11:37:46 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 11:48:43 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 11:52:56 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 13:03:12 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 13:24:57 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 13:32:49 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 14:04:45 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 14:10:00 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 14:11:04 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 14:12:08 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 14:13:14 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 14:14:19 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 14:15:26 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 14:58:12 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 15:25:11 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 15:29:14 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 15:30:45 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 15:31:49 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 15:46:11 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 15:49:50 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 15:53:46 2006] [error] (70007)The timeout specified has expired: error reading from Lisp (fill status) [Sat Jan 07 21:05:03 2006] [error] (70007)The timeout specified has expired: error reading header name [Sat Jan 07 21:05:04 2006] [error] (70007)The timeout specified has expired: error reading header name [Sat Jan 07 21:05:06 2006] [error] (70007)The timeout specified has expired: error reading header name [Sat Jan 07 21:05:07 2006] [error] (70007)The timeout specified has expired: error reading header name [Sat Jan 07 21:05:11 2006] [error] (70007)The timeout specified has expired: error reading header name [Sat Jan 07 21:05:11 2006] [error] (70007)The timeout specified has expired: error reading header name [Sat Jan 07 21:05:12 2006] [error] (70007)The timeout specified has expired: error reading header name [Sat Jan 07 21:05:14 2006] [error] (70007)The timeout specified has expired: error reading header name [Sat Jan 07 21:05:15 2006] [error] (70007)The timeout specified has expired: error reading header name [Sat Jan 07 21:05:19 2006] [error] (70007)The timeout specified has expired: error reading header name

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