Re: Module initialization
On Aug 1, 2007, at 1:48 PM, Farokh Irani wrote:
I must just be dense, but I've spent a whole bunch of time trying
to figure exactly how I can put initialization code into my module.
It's code that needs to run only once when apache (2.2.x) is
starting up, so any pointers would be appreciated.
oops, incomplete answer:
static int your_routine(apr_pool_t * p_conf, apr_pool_t * p_log,
apr_pool_t * p_temp);
/* register our interests */
static void hooks(apr_pool_t * p)
{
ap_hook_pre_config(your_routine, NULL, NULL, APR_HOOK_MIDDLE);
...
}
module AP_MODULE_DECLARE_DATA atom_module = {
STANDARD20_MODULE_STUFF,
NULL, /* create per-directory config structure */
NULL, /* merge per-directory config structures */
NULL, /* create per-server config structure */
NULL, /* merge per-server config structures */
directives, /* handle config directive */
hooks /* registrar */
};
OK, thanks for that tidbit. However, as someone else mentioned, if I
need to do something when apache is restarted, will this do the trick?
Also, when apache is shutting down, can my module do clean up and how
do I handle that?
Thanks!
--
Farokh
MCF Software...simply dependably engineered
Developers of ListSTAR http://www.liststar.com/, MacRADIUS
http://www.macradius.com/, Address List Sorter
http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS
http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS
http://www.mcfsoftware.com/ar/.
Idle time?
Does apache support calling modules at idle time, ie after a time interval when there's nothing going on, calling the modules so they can get some processing time? Thanks! -- Farokh MCF Software...simply dependably engineered Developers of ListSTAR http://www.liststar.com/, MacRADIUS http://www.macradius.com/, Address List Sorter http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS http://www.mcfsoftware.com/ar/.
Re: [EMAIL PROTECTED]: Re: Broken APXS]
- Forwarded message from Eric Covener [EMAIL PROTECTED] - On 7/22/07, Mike [EMAIL PROTECTED] wrote: Greetings. apxs accepts only *.c files as its input. For other extensions it doesn't invoke libtool in compile mode and several different issues leading to empty Apache module creation. The most probably reason is poor regex design. This kind of invocation: $ apxs -cia mod_cpp.cpp other.C Seems to behave better w/ the patch below: http://people.apache.org/~covener/apxs-cpp.diff When I tried to use patch with this, one hunk failed (#3) and the others appeared to be offset. Does anyone know if this diff file applies to the apxs with 2.2.4? Thanks. -- Farokh MCF Software...simply dependably engineered Developers of ListSTAR http://www.liststar.com/, MacRADIUS http://www.macradius.com/, Address List Sorter http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS http://www.mcfsoftware.com/ar/.
APXS question
I'm trying to set up a makefile using apxs to compile and link a module and I'm running into a couple of problems. If I use the following command line: apxs -ic -S CC=g++ -n mod_fancy mod_fancy.cpp config.cpp everything works fine. In my makefile, I have the following (this is a partial): mod_fancy.so: mod_fancy.o config.o apxs -i -n mod_fancy mod_fancy.o config.o %.o : %.cpp apxs -S CC=g++ -c $ Now, when I try to run make, the compile works fine, but the final install doesn't work. Here's what I get: /usr/local/apache2/bin/apxs -i -n mod_fancy mod_fancy.o config.o /usr/local/apache2/build/instdso.sh SH_LIBTOOL='/usr/local/apache2/build/libtool' mod_fancy.o /usr/local/apache2/modules /usr/local/apache2/build/libtool --mode=install cp mod_fancy.o /usr/local/apache2/modules/ cp mod_fancy.o /usr/local/apache2/modules/mod_fancy.o Warning! dlname not found in /usr/local/apache2/modules/mod_fancy.o. Assuming installing a .so rather than a libtool archive. chmod 755 /usr/local/apache2/modules/mod_fancy.so /usr/local/apache2/build/instdso.sh SH_LIBTOOL='/usr/local/apache2/build/libtool' config.o /usr/local/apache2/modules /usr/local/apache2/build/libtool --mode=install cp config.o /usr/local/apache2/modules/ cp config.o /usr/local/apache2/modules/config.o Warning! dlname not found in /usr/local/apache2/modules/config.o. Assuming installing a .so rather than a libtool archive. chmod 755 /usr/local/apache2/modules/config.so chmod: /usr/local/apache2/modules/config.so: No such file or directory apxs:Error: Command failed with rc=65536 I've tried it by using different files (ie .slo and .lo files), but I get the same error. Any ideas? I'd really rather not have apxs recompiling every single file each time. Thanks. -- Farokh MCF Software...simply dependably engineered Developers of ListSTAR http://www.liststar.com/, MacRADIUS http://www.macradius.com/, Address List Sorter http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS http://www.mcfsoftware.com/ar/.
Re: APXS question
On 7/22/07, Farokh Irani [EMAIL PROTECTED] wrote: /usr/local/apache2/bin/apxs -i -n mod_fancy .libs/mod_fancy.so .libs/config.so /usr/local/apache2/build/instdso.sh SH_LIBTOOL='/usr/local/apache2/build/libtool' .libs/mod_fancy.so /usr/local/apache2/modules /usr/local/apache2/build/libtool --mode=install cp .libs/mod_fancy.so /usr/local/apache2/modules/ cp .libs/mod_fancy.so /usr/local/apache2/modules/mod_fancy.so Warning! dlname not found in /usr/local/apache2/modules/mod_fancy.so. Assuming installing a .so rather than a libtool archive. chmod 755 /usr/local/apache2/modules/mod_fancy.so /usr/local/apache2/build/instdso.sh SH_LIBTOOL='/usr/local/apache2/build/libtool' .libs/config.so /usr/local/apache2/modules /usr/local/apache2/build/libtool --mode=install cp .libs/config.so /usr/local/apache2/modules/ cp .libs/config.so /usr/local/apache2/modules/config.so Warning! dlname not found in /usr/local/apache2/modules/config.so. Assuming installing a .so rather than a libtool archive. Was this msg truncated? I didn't see the same error as in the start of this thread. Hmm. Well, that's the most recent set of errors :) It does unfortunately look like you're invoking apxs in such a way as to install two DSO's, not to link two pieces of object code into a single DSO. I tried to use the .la files (as you mentioned in a different message) as in: apxs -i -n mod_fancy mod_fancy.la config.la Unfortunately, apxs generated two .so files, mod_fancy.so and config.so. It seems that apxs doesn't want to link multiple .la files into one .so as it does if I passed it .cpp files. I think that what I'm going to have to do is to create a single library out of everything and then use apxs to install that. Anyone have thoughts on that? Thanks. -- Farokh MCF Software...simply dependably engineered Developers of ListSTAR http://www.liststar.com/, MacRADIUS http://www.macradius.com/, Address List Sorter http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS http://www.mcfsoftware.com/ar/.
Re: APXS troubles
On Fri, Jul 20, 2007 at 11:39:35PM -0400, Farokh Irani wrote:
I took a further look at apxs, and it appears that the bad coding for the
source files continues. In my apxs around line 406, you'll find the
following:
foreach $s (@srcs) {
my $slo = $s;
$slo =~ s|\.c$|.slo|;
my $lo = $s;
$lo =~ s|\.c$|.lo|;
my $la = $s;
$la =~ s|\.c$|.la|;
my $o = $s;
$o =~ s|\.c$|.o|;
When I replaced the .c in the above with .cpp, everything worked fine using
.cpp.
Change substitution command separators (s|||) to s///.
Then create regex disjunction (operator |).
$slo =~ s|\.c$|.slo|;
change to
$slo =~ s/\.c$|\.cpp$|\.cc$/.slo/;
and all the rest with the same style.
That does seem to work OK.
Thanks.
--
Farokh
MCF Software...simply dependably engineered
Developers of ListSTAR http://www.liststar.com/, MacRADIUS
http://www.macradius.com/, Address List Sorter
http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS
http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS
http://www.mcfsoftware.com/ar/.
Re: APXS issue.
On Wed, 2007-07-18 at 07:23 -0400, Farokh Irani wrote: See any operating system documentation about shared libraries for more information, such as the ld(1) and ld.so(8) manual pages. -- chmod 755 /usr/local/libexec/apache22/mod_fancy.so Not neccessary - shared libs don't need to be executable. This is also something that is in the apxs code around line 488. Of course, the apxs2 on my debian machine does chmod 644. -- Farokh MCF Software...simply dependably engineered Developers of ListSTAR http://www.liststar.com/, MacRADIUS http://www.macradius.com/, Address List Sorter http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS http://www.mcfsoftware.com/ar/.
Re: APXS troubles
On Fri, 2007-07-20 at 08:36 +0200, Mike wrote:
if ($f =~ m|\.c$|) { Here, bad coder! BAD!
I don't know perl at all, so those were
stabs in the dark. Any pointers on that would be appreciated.
Try:
if( $f =~ m/\.c$|\.cpp$|\.cc$/ )
OK, I tried this and while it appears to compile and link, the symbol
winds up undefined again and nm shows the a similar output as when it
was linked as an empty library.
I'd go for:
if ( $f = ~m/\.c(c|pp){0,1}$/i )
This one doesn't compile. When I run apxs, perl complains:
Use of uninitialized value in pattern match (m//) at /usr/bin/apxs2 line 361.
Thanks.
--
Farokh
MCF Software...simply dependably engineered
Developers of ListSTAR http://www.liststar.com/, MacRADIUS
http://www.macradius.com/, Address List Sorter
http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS
http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS
http://www.mcfsoftware.com/ar/.
Re: APXS troubles
On Fri, 2007-07-20 at 14:39 +0200, Mike wrote:
On 7/20/07, Farokh Irani [EMAIL PROTECTED] wrote:
So, somewhere there is still something going on with .c vs .cpp. I'll
poke at apxs a bit and see if I can figure out why, but a crash
course in perl wasn't what I was looking at doing right now :)
So you mean a change from *.cpp to *.c is the only real working
solution? That's strange but anyway it works now...
Well - from what I can observe this seems to be a bug in libtool itself
(why did I expect this, given libtools poor C++ support?).
The final link command emitted by apxs seems to be (my reindentation):
/usr/share/apr-1.0/build/libtool --silent --mode=link \
--tag=disable-static g++ -o mod_fancy.la \
-rpath /usr/lib/apache2/modules -module -avoid-version \
config.cpp mod_fancy.cpp
Note that apxs is passing source file names to libtool. This doesn't
seem to work. Passing the '.libs/mod_fancy.o .libs/config.o' seems a
quick fix. I wonder if it's worth the effort.
NOTE: I've sucessfully compiled C++ modules, but 'I somehow always give
my sorce files '*.c' extentions.
I took a further look at apxs, and it appears that the bad coding for
the source files continues. In my apxs around line 406, you'll find
the following:
foreach $s (@srcs) {
my $slo = $s;
$slo =~ s|\.c$|.slo|;
my $lo = $s;
$lo =~ s|\.c$|.lo|;
my $la = $s;
$la =~ s|\.c$|.la|;
my $o = $s;
$o =~ s|\.c$|.o|;
When I replaced the .c in the above with .cpp, everything worked fine
using .cpp. Now, I'm not sure if the perl from the first fix:
if ( $f =~ m/\.c(c|pp){0,1}$/i ) instead of
if ($f =~ m|\.c$|)
can somehow be used in the above, but I'm sure that someone with perl
experience should be able to point out how to fix it.
--
Farokh
MCF Software...simply dependably engineered
Developers of ListSTAR http://www.liststar.com/, MacRADIUS
http://www.macradius.com/, Address List Sorter
http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS
http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS
http://www.mcfsoftware.com/ar/.
Debian 4 issue
I've set up a Debian 4 machine and I'm trying to compile/install a small test module. I'm using APXS2 as follows: apxs2 -ic -S CC=g++ -n mod_fancy mod_fancy.cpp config.cpp It compiles, and installs the mod_fancy.so file in /usr/lib/apache2/modules. But, when I try to get apache to load it, I get an error when apache starts: apache2: Syntax error on line 185 of /etc/apache2/apache2.conf: Syntax error on line 1 of /etc/apache2/mods-enabled/mod_fancy.load: Can't locate API module structure `fancy_module' in file /usr/lib/apache2/modules/mod_fancy.so: /usr/lib/apache2/modules/mod_fancy.so: undefined symbol: fancy_module Using nm on the .so file, I get the following: 15e8 A __bss_start 03b0 t call_gmon_start 15e8 b completed.5621 14e8 d __CTOR_END__ 14e4 d __CTOR_LIST__ w __cxa_finalize@@GLIBC_2.1.3 0480 t __do_global_ctors_aux 03e0 t __do_global_dtors_aux 15e0 d __dso_handle 14f0 d __DTOR_END__ 14ec d __DTOR_LIST__ 14f8 a _DYNAMIC 15e8 A _edata 15ec A _end 04c4 T _fini 0440 t frame_dummy 04e0 r __FRAME_END__ 15cc a _GLOBAL_OFFSET_TABLE_ w __gmon_start__ 0475 t __i686.get_pc_thunk.bx 0360 T _init 14f4 d __JCR_END__ 14f4 d __JCR_LIST__ w _Jv_RegisterClasses 15e4 d p.5619 Anyone have any ideas why the symbol isn't being exported? I'm using gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21). Thanks. -- Farokh MCF Software...simply dependably engineered Developers of ListSTAR http://www.liststar.com/, MacRADIUS http://www.macradius.com/, Address List Sorter http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS http://www.mcfsoftware.com/ar/.
Re: Possibly OT: g++ 4.0.1 on Mac OS X
On 06/07/07, Farokh Irani [EMAIL PROTECTED] wrote: I'm trying to link together a couple of .o files into a .so file using g++. The problem is that even though I have a -o specified, no file is generated and no error comes up. Any pointers on how to figure out what might be going on, or even where I could look for more info, would be appreciated. This is with g++ 4.0.1 on Mac OS X 10.4.10. If you are trying to create an Apache module .so, why aren't you using apxs? You can specify that g++ should be used instead of gcc by saying: apxs -S CC=g++ -c mod_example.c This is much better and more portable than trying to create the .so yourself. This is more so the case on MacOS X as how you build a dynamically loadable module is different to options you would use for other platforms. Also, on MacOS X a dynamically loadable module has to be created in a different way to a shared library, they are not interchangeable. OK, I'm willing to give that a shot, but how do I use apxs to compile/link a multi-file source module? IE Right now I've got a small module that has 3 files, but I expect the source tree to grow to many more (possibly a hundred or more source files). -- Farokh MCF Software...simply dependably engineered Developers of ListSTAR http://www.liststar.com/, MacRADIUS http://www.macradius.com/, Address List Sorter http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS http://www.mcfsoftware.com/ar/.
Re: Just starting module development
Farokh Irani wrote: I'm trying to convert a plug-in that ran under WebSTAR as well as under Microsoft IIS to an Apache 2 module and I was wondering if anyone had any pointer or sample code that I should look at to make life easier. The WebSTAR code handles multiple threads (I haven't looked at the IIS code) so I figured it would be the best place to start. So, any pointers to sites or code would be appreciated. Thanks! Consider the book : http://search.barnesandnoble.com/bookSearch/isbnInquiry.asp?r=1ISBN=0132409674 It's written by one of the nerds on this list (sorry Nick - no offense intended - I fall into the same category). Also, Nick's website : http://apache.webthing.com/ . I had a tutorial that I was writing on how to do that. Perhaps if we knew a bit more we could be more specific as to which tutorials would be best for you (e.g. if you are writing a simple content filter, or a content generator, or ...). It's a plugin that needs to scan the content of the page that was requested and the make appropriate substitutions before the content is sent to the browser. The code is all there and working for WebSTAR, using a multiple thread model, and I was hoping to find some sample Apache 2.0 code that would allow me to port it over easily. I know that's probably pie-in-the-sky, but I figured it wouldn't hurt to ask :). -- Farokh MCF Software...simply dependably engineered Developers of ListSTAR http://www.liststar.com/, MacRADIUS http://www.macradius.com/, Address List Sorter http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS http://www.mcfsoftware.com/ar/.
Just starting module development
I'm trying to convert a plug-in that ran under WebSTAR as well as under Microsoft IIS to an Apache 2 module and I was wondering if anyone had any pointer or sample code that I should look at to make life easier. The WebSTAR code handles multiple threads (I haven't looked at the IIS code) so I figured it would be the best place to start. So, any pointers to sites or code would be appreciated. Thanks! -- Farokh MCF Software...simply dependably engineered Developers of ListSTAR http://www.liststar.com/, MacRADIUS http://www.macradius.com/, Address List Sorter http://www.mcfsoftware.com/als/, SimpleText Filter for EIMS http://www.mcfsoftware.com/stf/ and Auto Reply plug-in for EIMS http://www.mcfsoftware.com/ar/.
