mirror of
https://github.com/apache/httpd.git
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4ed1b41510
to disk. Fixes a problem where mod_disk_cache was leaving buckets in the intermediate brigade and not passing them to out on exit. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1204101 13f79535-47bb-0310-9956-ffa450edef68
92 lines
3.2 KiB
C
92 lines
3.2 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MOD_CACHE_DISK_H
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#define MOD_CACHE_DISK_H
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#include "apr_file_io.h"
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#include "cache_disk_common.h"
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/*
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* include for mod_cache_disk: Disk Based HTTP 1.1 Cache.
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*/
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typedef struct {
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apr_pool_t *pool;
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const char *file;
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apr_file_t *fd;
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char *tempfile;
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apr_file_t *tempfd;
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} disk_cache_file_t;
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/*
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* disk_cache_object_t
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* Pointed to by cache_object_t::vobj
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*/
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typedef struct disk_cache_object {
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const char *root; /* the location of the cache directory */
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apr_size_t root_len;
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const char *prefix;
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disk_cache_file_t data; /* data file structure */
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disk_cache_file_t hdrs; /* headers file structure */
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disk_cache_file_t vary; /* vary file structure */
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const char *hashfile; /* Computed hash key for this URI */
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const char *name; /* Requested URI without vary bits - suitable for mortals. */
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const char *key; /* On-disk prefix; URI with Vary bits (if present) */
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apr_off_t file_size; /* File size of the cached data file */
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disk_cache_info_t disk_info; /* Header information. */
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apr_table_t *headers_in; /* Input headers to save */
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apr_table_t *headers_out; /* Output headers to save */
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apr_off_t offset; /* Max size to set aside */
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apr_time_t timeout; /* Max time to set aside */
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unsigned int done:1; /* Is the attempt to cache complete? */
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} disk_cache_object_t;
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/*
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* mod_cache_disk configuration
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*/
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/* TODO: Make defaults OS specific */
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#define CACHEFILE_LEN 20 /* must be less than HASH_LEN/2 */
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#define DEFAULT_DIRLEVELS 2
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#define DEFAULT_DIRLENGTH 2
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#define DEFAULT_MIN_FILE_SIZE 1
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#define DEFAULT_MAX_FILE_SIZE 1000000
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#define DEFAULT_READSIZE 0
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#define DEFAULT_READTIME 0
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typedef struct {
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const char* cache_root;
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apr_size_t cache_root_len;
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int dirlevels; /* Number of levels of subdirectories */
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int dirlength; /* Length of subdirectory names */
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} disk_cache_conf;
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typedef struct {
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apr_off_t minfs; /* minimum file size for cached files */
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apr_off_t maxfs; /* maximum file size for cached files */
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apr_off_t readsize; /* maximum data to attempt to cache in one go */
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apr_time_t readtime; /* maximum time taken to cache in one go */
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unsigned int minfs_set:1;
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unsigned int maxfs_set:1;
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unsigned int readsize_set:1;
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unsigned int readtime_set:1;
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} disk_cache_dir_conf;
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#endif /*MOD_CACHE_DISK_H*/
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