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Diffstat (limited to '')
| -rw-r--r-- | modules/cache/mod_cache_disk.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/modules/cache/mod_cache_disk.h b/modules/cache/mod_cache_disk.h new file mode 100644 index 0000000..561ee3b --- /dev/null +++ b/modules/cache/mod_cache_disk.h @@ -0,0 +1,91 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef MOD_CACHE_DISK_H +#define MOD_CACHE_DISK_H + +#include "apr_file_io.h" + +#include "cache_disk_common.h" + +/* + * include for mod_cache_disk: Disk Based HTTP 1.1 Cache. + */ + +typedef struct { + apr_pool_t *pool; + const char *file; + apr_file_t *fd; + char *tempfile; + apr_file_t *tempfd; +} disk_cache_file_t; + +/* + * disk_cache_object_t + * Pointed to by cache_object_t::vobj + */ +typedef struct disk_cache_object { + const char *root; /* the location of the cache directory */ + apr_size_t root_len; + const char *prefix; + disk_cache_file_t data; /* data file structure */ + disk_cache_file_t hdrs; /* headers file structure */ + disk_cache_file_t vary; /* vary file structure */ + const char *hashfile; /* Computed hash key for this URI */ + const char *name; /* Requested URI without vary bits - suitable for mortals. */ + const char *key; /* On-disk prefix; URI with Vary bits (if present) */ + apr_off_t file_size; /* File size of the cached data file */ + disk_cache_info_t disk_info; /* Header information. */ + apr_table_t *headers_in; /* Input headers to save */ + apr_table_t *headers_out; /* Output headers to save */ + apr_off_t offset; /* Max size to set aside */ + apr_time_t timeout; /* Max time to set aside */ + unsigned int done:1; /* Is the attempt to cache complete? */ +} disk_cache_object_t; + + +/* + * mod_cache_disk configuration + */ +/* TODO: Make defaults OS specific */ +#define CACHEFILE_LEN 20 /* must be less than HASH_LEN/2 */ +#define DEFAULT_DIRLEVELS 2 +#define DEFAULT_DIRLENGTH 2 +#define DEFAULT_MIN_FILE_SIZE 1 +#define DEFAULT_MAX_FILE_SIZE 1000000 +#define DEFAULT_READSIZE 0 +#define DEFAULT_READTIME 0 + +typedef struct { + const char* cache_root; + apr_size_t cache_root_len; + int dirlevels; /* Number of levels of subdirectories */ + int dirlength; /* Length of subdirectory names */ +} disk_cache_conf; + +typedef struct { + apr_off_t minfs; /* minimum file size for cached files */ + apr_off_t maxfs; /* maximum file size for cached files */ + apr_off_t readsize; /* maximum data to attempt to cache in one go */ + apr_time_t readtime; /* maximum time taken to cache in one go */ + unsigned int minfs_set:1; + unsigned int maxfs_set:1; + unsigned int readsize_set:1; + unsigned int readtime_set:1; +} disk_cache_dir_conf; + +#endif /*MOD_CACHE_DISK_H*/ + |