Quelle cache_disk_common.h Sprache: C

/* 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.
*/

/**
* @file cache_disk_common.h
* @brief Common Disk Cache vars/structs
*
* @defgroup Cache_cache  Cache Functions
* @ingroup  MOD_DISK_CACHE
* @{
*/

#ifndef CACHE_DIST_COMMON_H
#define CACHE_DIST_COMMON_H

#define VARY_FORMAT_VERSION 5
#define DISK_FORMAT_VERSION 6

#define CACHE_HEADER_SUFFIX ".header"
#define CACHE_DATA_SUFFIX   ".data"
#define CACHE_VDIR_SUFFIX   ".vary"

#define AP_TEMPFILE_PREFIX "/"
#define AP_TEMPFILE_BASE   "aptmp"
#define AP_TEMPFILE_SUFFIX "XXXXXX"
#define AP_TEMPFILE_BASELEN strlen(AP_TEMPFILE_BASE)
#define AP_TEMPFILE_NAMELEN strlen(AP_TEMPFILE_BASE AP_TEMPFILE_SUFFIX)
#define AP_TEMPFILE AP_TEMPFILE_PREFIX AP_TEMPFILE_BASE AP_TEMPFILE_SUFFIX

typedef struct {
    /* Indicates the format of the header struct stored on-disk. */
    apr_uint32_t format;
    /* The HTTP status code returned for this response.  */
    int status;
    /* The size of the entity name that follows. */
    apr_size_t name_len;
    /* The number of times we've cached this entity. */
    apr_size_t entity_version;
    /* Miscellaneous time values. */
    apr_time_t date;
    apr_time_t expire;
    apr_time_t request_time;
    apr_time_t response_time;
    /* The ident of the body file, so we can test the body matches the header */
    apr_ino_t inode;
    apr_dev_t device;
    /* Does this cached request have a body? */
    unsigned int has_body:1;
    unsigned int header_only:1;
    /* The parsed cache control header */
    cache_control_t control;
} disk_cache_info_t;

#endif /* CACHE_DIST_COMMON_H */
/** @} */

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