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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@89315 13f79535-47bb-0310-9956-ffa450edef68
125 lines
4.6 KiB
C
125 lines
4.6 KiB
C
/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2000-2001 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" must
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* not be used to endorse or promote products derived from this
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* software without prior written permission. For written
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* permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* nor may "Apache" appear in their name, without prior written
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* permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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* Portions of this software are based upon public domain software
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* originally written at the National Center for Supercomputing Applications,
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* University of Illinois, Urbana-Champaign.
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*/
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#include "apr_strings.h"
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#include "ap_config.h"
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#include "util_filter.h"
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#include "httpd.h"
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#include "http_config.h"
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#include "http_request.h"
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#include "http_core.h"
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#include "http_protocol.h"
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#include "http_log.h"
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#include "http_main.h"
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#include "util_script.h"
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#include "http_core.h"
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#include "mod_cache.h"
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#include "apr_hooks.h"
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AP_DECLARE_DATA module cache_module;
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APR_HOOK_STRUCT(
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APR_HOOK_LINK(serve_cache)
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APR_HOOK_LINK(store_cache)
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)
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AP_IMPLEMENT_HOOK_RUN_FIRST(int,serve_cache,(request_rec *r),(r),DECLINED)
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AP_IMPLEMENT_HOOK_RUN_FIRST(int,store_cache,(request_rec *r, apr_bucket_brigade *bb, void **cf),
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(r, bb, cf),DECLINED)
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static int cache_handler(request_rec *r)
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{
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/* I am sure there is common error checking that belongs in this function,
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* but I'm not sure what it is.
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*/
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return ap_run_serve_cache(r);
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}
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typedef struct cache_struct {
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void *cf;
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} cache_struct;
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static int cache_filter(ap_filter_t *f, apr_bucket_brigade *bb)
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{
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cache_struct *ctx = f->ctx;
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if (ctx == NULL) {
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f->ctx = ctx = apr_pcalloc(f->r->pool, sizeof(*ctx));
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}
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ap_run_store_cache(f->r, bb, &ctx->cf);
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ap_pass_brigade(f->next, bb);
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return APR_SUCCESS;
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}
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static void cache_register_hook(apr_pool_t *p)
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{
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ap_hook_handler(cache_handler, NULL, NULL, APR_HOOK_MIDDLE);
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ap_register_output_filter("CACHE", cache_filter, AP_FTYPE_HTTP_HEADER);
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}
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AP_DECLARE_DATA module cache_module = {
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STANDARD20_MODULE_STUFF,
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NULL, /* create per-directory config structure */
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NULL, /* merge per-directory config structures */
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NULL, /* create per-server config structure */
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NULL, /* merge per-server config structures */
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NULL, /* command apr_table_t */
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cache_register_hook /* register hooks */
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};
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