1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements. See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
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13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * @file cache_disk_common.h
19 * @brief Common Disk Cache vars/structs
21 * @defgroup Cache_cache Cache Functions
22 * @ingroup MOD_DISK_CACHE
26 #ifndef CACHE_DIST_COMMON_H
27 #define CACHE_DIST_COMMON_H
29 #define VARY_FORMAT_VERSION 5
30 #define DISK_FORMAT_VERSION 6
32 #define CACHE_HEADER_SUFFIX ".header"
33 #define CACHE_DATA_SUFFIX ".data"
34 #define CACHE_VDIR_SUFFIX ".vary"
36 #define AP_TEMPFILE_PREFIX "/"
37 #define AP_TEMPFILE_BASE "aptmp"
38 #define AP_TEMPFILE_SUFFIX "XXXXXX"
39 #define AP_TEMPFILE_BASELEN strlen(AP_TEMPFILE_BASE)
40 #define AP_TEMPFILE_NAMELEN strlen(AP_TEMPFILE_BASE AP_TEMPFILE_SUFFIX)
41 #define AP_TEMPFILE AP_TEMPFILE_PREFIX AP_TEMPFILE_BASE AP_TEMPFILE_SUFFIX
44 /* Indicates the format of the header struct stored on-disk. */
46 /* The HTTP status code returned for this response. */
48 /* The size of the entity name that follows. */
50 /* The number of times we've cached this entity. */
51 apr_size_t entity_version;
52 /* Miscellaneous time values. */
55 apr_time_t request_time;
56 apr_time_t response_time;
57 /* The ident of the body file, so we can test the body matches the header */
60 /* Does this cached request have a body? */
63 /* The parsed cache control header */
64 cache_control_t control;
67 #endif /* CACHE_DIST_COMMON_H */