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From "vishal arvindrao ruikar" <vinux_rui...@rediffmail.com>
Subject Re: vishal (plz help me regarding filter problem )
Date Wed, 16 Jul 2003 05:26:04 GMT


On Wed, 16 Jul 2003 vishal arvindrao ruikar wrote :
>hello  sir ..
>       i  am  student  of final  computer  science and  engg ..
>i  read  the  whole  apache server  code and  understand  the 
>concepts ..
>i  want to  submit  also  apache documets  to  u  which  i  
>prepare
>for that   but  sir  i  have one problem  regarding  filter  
>inmplentation  here..  plz send me correct  solution  for that 
>..
>
>  the  problem  is follows  as :
>
>  i  write one filter module  just  for appending  string  to
>   html  document  what  ever  i  request in  brower .
>    i  compiled my  code  successfully  , install and added
>by  using
>
>        apxs -c -i -a append_module.c        on  linux platform 
>.
>
>i  put  one  fprintf statment to see the really filter
>register  or  not  . but  sir  meg  printed  in  error fiile .
>that  mean  it evocks  the  register_hook  but i  can't  say 
>anything
>after  that  what is  going to  happen with  my  code .
>     i  set  httpd.conf file
>by using
>          SetOutputFilter  APPEND
>in proper way .
>and also  i  use
>   AddOutputFilter APPEND .html
>
>but  it doesn't works  .
>   currently  i  am  planing  to  write  filter  to  add
>more  functionality  in  apache .
>   but  sir if  i  fail  to  run  very  simple  code then
>how  can  i  proceed  for big  code  ..
>   so  sir plz  send me correct  modification  if  needed
>and needed  configuration  to  run  this  module  succssfully
>i  have  2.0.46 distribution ...
>
>here is my  code :
>
>#include "apr_strings.h"
>#include "util_filter.h"
>#include "http_request.h"
>#include "http_core.h"
>#include "http_protocol.h"
>#include "http_log.h"
>#include "http_main.h"
>#include "ap_config.h"
>#include "http_config.h"
>#include "httpd.h"
>#include "apr_general.h"
>#include "apr_buckets.h"
>#include "apr_tables.h"
>
>module AP_MODULE_DECLARE_DATA append_module;
>static int append_filter(ap_filter_t *f, apr_bucket_brigade 
>*bb)
>{
>         apr_bucket *e, *n;
>         request_rec *r = f->r;
>         conn_rec *c = r->connection;
>         char *date_val;
>         apr_size_t len ;
>         char *buff ;
>         buff=apr_bucket_alloc(len, c->bucket_alloc);
>         buff[0]='v';
>         buff[1]='i';
>         buff[2]='s';
>         buff[3]='h';
>         buff[4]='a';
>         buff[5]='l';
>
>         fprintf(stderr,"hello vishal , we  r now in  footer 
>handler ");
>         if(!strncasecmp(f->r->content_type, "text/html", 9))
>         {
>                 e=APR_BRIGADE_LAST(bb);
>                 if (APR_BUCKET_IS_EOS(e))
>                 {
>
>                   n= apr_bucket_pool_create(buff ,len,f->r->pool 
>, f->c->bucket_alloc );
>                  APR_BUCKET_INSERT_BEFORE(e, n);
>                  apr_table_unset(f->r->headers_out, "ETag");
>                  apr_table_unset(f->r->headers_out, 
>"Last-Modified");
>                  }
>          }
>          ap_pass_brigade(f->next, bb);
>          return APR_SUCCESS;
>}
>static  void footer_register_hook(apr_pool_t *p)
>{
>         fprintf(stderr,"hello vishal , we  r  now  in  register 
>hook ");
>         ap_register_output_filter("FOOTERFILTER", 
>footer_filter,NULL, AP_FTYPE_CONTENT_SET);
>}
>module AP_MODULE_DECLARE_DATA footer_module =
>{
>         STANDARD20_MODULE_STUFF,
>         NULL,
>         NULL,
>         NULL,
>         NULL,
>         NULL,
>         append_register_hook
>};
>
>
>      so  sir  plz  help  me ..
>
>                                  vishal ruikar
>
>
>
>
>
>
>
>
>vinux
>___________________________________________________
>Click below to experience Sooraj R Barjatya's latest offering
>'Main Prem Ki Diwani Hoon' starring Hrithik, Abhishek
>  & Kareena http://www.mpkdh.com
>
>
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vinux
___________________________________________________
Click below to experience Sooraj R Barjatya's latest offering
'Main Prem Ki Diwani Hoon' starring Hrithik, Abhishek
  & Kareena http://www.mpkdh.com


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