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From traw...@locus.apache.org
Subject cvs commit: httpd-2.0/modules/experimental mod_charset_lite.c
Date Fri, 29 Dec 2000 13:51:41 GMT
trawick     00/12/29 05:51:40

  Modified:    modules/experimental mod_charset_lite.c
  Log:
  Recognize a downstream error as such (instead of saying simply "returning error").
  
  Trace the apr_status_t whenever helpful.
  
  Revision  Changes    Path
  1.35      +23 -3     httpd-2.0/modules/experimental/mod_charset_lite.c
  
  Index: mod_charset_lite.c
  ===================================================================
  RCS file: /home/cvs/httpd-2.0/modules/experimental/mod_charset_lite.c,v
  retrieving revision 1.34
  retrieving revision 1.35
  diff -u -r1.34 -r1.35
  --- mod_charset_lite.c	2000/12/20 16:43:36	1.34
  +++ mod_charset_lite.c	2000/12/29 13:51:38	1.35
  @@ -108,6 +108,7 @@
       EES_LIMIT,      /* built-in restriction encountered */
       EES_INCOMPLETE_CHAR, /* incomplete multi-byte char at end of content */
       EES_BUCKET_READ,
  +    EES_DOWNSTREAM, /* something bad happened in a filter below xlate */
       EES_BAD_INPUT   /* input data invalid */
   } ees_t;
   
  @@ -456,22 +457,34 @@
   {
       ap_bucket_brigade *bb;
       ap_bucket *b;
  +    charset_filter_ctx_t *ctx = f->ctx;
  +    apr_status_t rv;
   
       bb = ap_brigade_create(f->r->pool);
       b = ap_bucket_create_transient(tmp, len);
       AP_BRIGADE_INSERT_TAIL(bb, b);
  -    return ap_pass_brigade(f->next, bb);
  +    rv = ap_pass_brigade(f->next, bb);
  +    if (rv != APR_SUCCESS) {
  +        ctx->ees = EES_DOWNSTREAM;
  +    }
  +    return rv;
   }
   
   static apr_status_t send_eos(ap_filter_t *f)
   {
       ap_bucket_brigade *bb;
       ap_bucket *b;
  +    charset_filter_ctx_t *ctx = f->ctx;
  +    apr_status_t rv;
   
       bb = ap_brigade_create(f->r->pool);
       b = ap_bucket_create_eos();
       AP_BRIGADE_INSERT_TAIL(bb, b);
  -    return ap_pass_brigade(f->next, bb);
  +    rv = ap_pass_brigade(f->next, bb);
  +    if (rv != APR_SUCCESS) {
  +        ctx->ees = EES_DOWNSTREAM;
  +    }
  +    return rv;
   }
   
   static apr_status_t set_aside_partial_char(charset_filter_ctx_t *ctx, 
  @@ -542,18 +555,22 @@
       const char *msg;
       char msgbuf[100];
       int cur;
  +    int flags = APLOG_ERR;
   
       switch(ctx->ees) {
       case EES_LIMIT:
  +        flags |= APLOG_NOERRNO;
           msg = "xlate filter - a built-in restriction was encountered";
           break;
       case EES_BAD_INPUT:
  +        flags |= APLOG_NOERRNO;
           msg = "xlate filter - an input character was invalid";
           break;
       case EES_BUCKET_READ:
           msg = "xlate filter - bucket read routine failed";
           break;
       case EES_INCOMPLETE_CHAR:
  +        flags |= APLOG_NOERRNO;
           strcpy(msgbuf, "xlate filter - incomplete char at end of input - ");
           cur = 0;
           while (cur < ctx->saved) {
  @@ -563,10 +580,13 @@
           }
           msg = msgbuf;
           break;
  +    case EES_DOWNSTREAM:
  +        msg = "xlate filter - an error occurred in a lower filter";
  +        break;
       default:
           msg = "xlate filter - returning error";
       }
  -    ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, rv, f->r,
  +    ap_log_rerror(APLOG_MARK, flags, rv, f->r,
                     "%s", msg);
   }
   
  
  
  

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