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From Tom Evans <tevans...@googlemail.com>
Subject Re: Re: Re: [users@httpd] writing my first own module - can't determine bootstrap symbol name; undefined API module structure
Date Fri, 03 May 2013 09:27:42 GMT
On Thu, May 2, 2013 at 6:46 PM, oneat <oneat@vp.pl> wrote:
> Do you have any other samples for cpp coding for httpd? I heard about codea, but it seems
a bit outdated.

apxs doesn't really understand how to deal with C++ modules, to get
this to work correctly I needed to write a Makefile:

APXS=apxs
APXS_CFLAGS:=`$(APXS) -q CFLAGS`
APXS_CFLAGS_SHLIB:=`$(APXS) -q CFLAGS_SHLIB`
APXS_INCLUDEDIR:=`$(APXS) -q INCLUDEDIR`
APXS_LIBS_SHLIB:=`$(APXS) -q LIBS_SHLIB`
APR_INCLUDES:=`apr-1-config --includes`

all: mod_cpp.so

mod_cpp.o: mod_cpp.cpp
    g++ -c -fPIC -I$(APXS_INCLUDEDIR) -I. $(APR_INCLUDES)
$(APXS_CFLAGS) $(APXS_CFLAGS_SHLIB) -Wall -o $@ $<

mod_cpp.so: mod_cpp.o
    g++ -fPIC -shared -o $@ $< $(APXS_LIBS_SHLIB)

clean:
    rm -rf *.o *.so


With that, simply follow the instructions I gave you earlier - give C
linkage to the module and declare it extern:

#include "httpd.h"
#include "http_core.h"
#include "http_config.h"
#include "http_log.h"
#include "http_protocol.h"
#include "http_request.h"

extern "C" module cpp_module;

static int handle(request_rec *r)
{
    ap_set_content_type(r, "text/html");
    ap_rprintf(r, r->filename);
    return HTTP_OK;
}

static void register_hooks(apr_pool_t *pool)
{
    /* Create a hook in the request handler, so we get called when a
request arrives */
    ap_hook_handler(handle, NULL, NULL, APR_HOOK_LAST);
}

extern "C" {

module AP_MODULE_DECLARE_DATA cpp_module =
{
    STANDARD20_MODULE_STUFF,
    NULL,
    NULL,
    NULL,
    NULL,
    NULL,
    register_hooks
};

};


Cheers

Tom

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