Adding upstream version 2.4.57.upstream/2.4.57

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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*/
+