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From r..@locus.apache.org
Subject cvs commit: apache-2.0/src/main http_protocol.c util_filter.c
Date Tue, 12 Sep 2000 03:40:16 GMT
rbb         00/09/11 20:40:16

  Modified:    src      CHANGES
               src/include httpd.h
               src/main http_protocol.c util_filter.c
  Log:
  Ensure that only one EOS bucket is sent down the filter stack.  This is
  done by adding a flag to the request_rec.  When ap_pass_bucket sees an
  EOS bucket, the flag is set.  If the flag is still unset when
  ap_finalize_request is called, then ap_finalize_request sends an EOS.  This
  fixes the problem with chunking and CGI.
  
  Revision  Changes    Path
  1.221     +8 -0      apache-2.0/src/CHANGES
  
  Index: CHANGES
  ===================================================================
  RCS file: /home/cvs/apache-2.0/src/CHANGES,v
  retrieving revision 1.220
  retrieving revision 1.221
  diff -u -r1.220 -r1.221
  --- CHANGES	2000/09/11 18:27:54	1.220
  +++ CHANGES	2000/09/12 03:40:14	1.221
  @@ -1,4 +1,12 @@
   Changes with Apache 2.0a7
  +  *) Fix chunking problem with CGI scripts.  The general problem was that
  +     the CGI modules were adding an EOS bucket and then the core added an
  +     EOS bucket.  The chunking filter finalizes the chunked response when it
  +     encounters an EOS bucket.  Because two EOS buckets were sent, we
  +     finalized the response twice.  The fix is to make sure we only send one
  +     EOS, by utilizing a flag in the request_rec.
  +     [Ryan Bloom]
  +
     *) apr_put_os_file() now sets up the unget byte appropriately on Unix
        and Win32.  Previously, the first read from an apr_file_t set up via
        apr_put_os_file() would return a '\0'.  [Jeff Trawick]
  
  
  
  1.84      +1 -0      apache-2.0/src/include/httpd.h
  
  Index: httpd.h
  ===================================================================
  RCS file: /home/cvs/apache-2.0/src/include/httpd.h,v
  retrieving revision 1.83
  retrieving revision 1.84
  diff -u -r1.83 -r1.84
  --- httpd.h	2000/09/01 14:47:20	1.83
  +++ httpd.h	2000/09/12 03:40:15	1.84
  @@ -800,6 +800,7 @@
       /** A list of filters to be used for this request 
        *  @defvar ap_filter_t *filters */
       struct ap_filter_t *filters;
  +    int eos_sent;
   
   /* Things placed at the end of the record to avoid breaking binary
    * compatibility.  It would be nice to remember to reorder the entire
  
  
  
  1.121     +3 -1      apache-2.0/src/main/http_protocol.c
  
  Index: http_protocol.c
  ===================================================================
  RCS file: /home/cvs/apache-2.0/src/main/http_protocol.c,v
  retrieving revision 1.120
  retrieving revision 1.121
  diff -u -r1.120 -r1.121
  --- http_protocol.c	2000/09/09 06:48:09	1.120
  +++ http_protocol.c	2000/09/12 03:40:15	1.121
  @@ -1921,7 +1921,9 @@
   API_EXPORT(void) ap_finalize_request_protocol(request_rec *r)
   {
       /* tell the filter chain there is no more content coming */
  -    end_output_stream(r);
  +    if (!r->eos_sent) {
  +        end_output_stream(r);
  +    }
   }
   
   /* Here we deal with getting the request message body from the client.
  
  
  
  1.15      +3 -0      apache-2.0/src/main/util_filter.c
  
  Index: util_filter.c
  ===================================================================
  RCS file: /home/cvs/apache-2.0/src/main/util_filter.c,v
  retrieving revision 1.14
  retrieving revision 1.15
  diff -u -r1.14 -r1.15
  --- util_filter.c	2000/09/09 06:48:09	1.14
  +++ util_filter.c	2000/09/12 03:40:15	1.15
  @@ -155,6 +155,9 @@
   API_EXPORT(apr_status_t) ap_pass_brigade(ap_filter_t *next, ap_bucket_brigade *bb)
   {
       if (next) {
  +        if (AP_BRIGADE_LAST(bb)->type == AP_BUCKET_EOS) {
  +            next->r->eos_sent = 1;
  +        }
           return next->filter_func(next, bb);
       }
       return AP_NOBODY_WROTE;
  
  
  

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