File: server\util_script.c
===========================


591:	else if (!strcasecmp(w, "Transfer-Encoding")) {
592:	    apr_table_set(r->headers_out, w, l);
593:	}
594:+	else if (!strcasecmp(w, "Age")) { 	
595:+ 		apr_table_set(r->headers_out, w, l);
596:+	}
597:+	else if (!strcasecmp(w, "Expires")) {  
598:+		apr_table_set(r->headers_out, w, l);
599:+	}




File modules\experimental\cache_util.c
======================================

166:	const char *agestr = NULL;
167:+	const char *exps;
168:	char *val;




207:	if ((agestr = apr_table_get(r->headers_out, "Age"))) {
208:        	age_c = apr_atoi64(agestr);
209:	}
210:
211:+	/* Extract "Expires" from the response header for determining Heuristic expiration condition */
212:+	exps = apr_table_get(r->headers_out, "Expires");




271:	   /* add warning if maxstale overrode freshness calculation */
272:   	   if (!((-1 < smaxage && age < smaxage) ||
273:             (-1 < maxage && age < maxage) ||
274:             (info->expire != APR_DATE_BAD && (info->expire - info->date) > age))) {
275:           /* make sure we don't stomp on a previous warning */
276:           apr_table_merge(r->headers_out, "Warning", "110 Response is stale");
277:       }
278:+
279:+	   /* 
280:+	    * If none of Expires, Cache-Control: max-age, or Cache-Control: 
281:+	    * s-maxage appears in the response, and the respose header age 
282:+	    * calculated is more than 24 hours add the warning 113 
283:+	    */
284:+      if((maxage_cresp == -1) && (smaxage == -1) && 
285:+              (exps == NULL) && (age > 86400)) {
286:+           	apr_table_merge(r->headers_out, "Warning", "113 Heuristic expiration");    
287:+      }
289:+
290:        return 1;    /* Cache object is fresh */
272:    }