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Quick hack to store varied contents under the same path, making it

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easier for admins to manage the cache.

Still requires modifications to htcacheclean to work.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@219945 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Paul Querna
2005-07-20 16:56:23 +00:00
parent b5a3f87755
commit 01d65f9f59
2 changed files with 31 additions and 6 deletions
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3
CHANGES
View File

@@ -2,6 +2,9 @@
Changes with Apache 2.1.7
[Remove entries to the current 2.0 section below, when backported]
*) mod_cache: Store varied contents all in the same prefix for a varied URI.
[Paul Querna]
*) mod_cache: Run the CACHE_SAVE and CACHE_OUT Filters after other content
filters. [Paul Querna]

26
modules/cache/mod_disk_cache.c vendored
View File

@@ -50,8 +50,8 @@
* CRLF
*/
#define VARY_FORMAT_VERSION 1
#define DISK_FORMAT_VERSION 2
#define VARY_FORMAT_VERSION 3
#define DISK_FORMAT_VERSION 4
typedef struct {
/* Indicates the format of the header struct stored on-disk. */
@@ -76,6 +76,7 @@ typedef struct {
typedef struct disk_cache_object {
const char *root; /* the location of the cache directory */
char *tempfile; /* temp file tohold the content */
const char *prefix;
const char *datafile; /* name of file where the data will go */
const char *hdrsfile; /* name of file where the hdrs will go */
const char *hashfile; /* Computed hash key for this URI */
@@ -124,6 +125,8 @@ static apr_status_t read_array(request_rec *r, apr_array_header_t* arr,
*/
#define CACHE_HEADER_SUFFIX ".header"
#define CACHE_DATA_SUFFIX ".data"
#define CACHE_VDIR_SUFFIX ".vary"
static char *header_file(apr_pool_t *p, disk_cache_conf *conf,
disk_cache_object_t *dobj, const char *name)
{
@@ -131,8 +134,15 @@ static char *header_file(apr_pool_t *p, disk_cache_conf *conf,
dobj->hashfile = ap_cache_generate_name(p, conf->dirlevels,
conf->dirlength, name);
}
if (dobj->prefix) {
return apr_pstrcat(p, dobj->prefix, CACHE_VDIR_SUFFIX, "/",
dobj->hashfile, CACHE_HEADER_SUFFIX, NULL);
}
else {
return apr_pstrcat(p, conf->cache_root, "/", dobj->hashfile,
CACHE_HEADER_SUFFIX, NULL);
}
}
static char *data_file(apr_pool_t *p, disk_cache_conf *conf,
@@ -142,8 +152,15 @@ static char *data_file(apr_pool_t *p, disk_cache_conf *conf,
dobj->hashfile = ap_cache_generate_name(p, conf->dirlevels,
conf->dirlength, name);
}
if (dobj->prefix) {
return apr_pstrcat(p, dobj->prefix, CACHE_VDIR_SUFFIX, "/",
dobj->hashfile, CACHE_DATA_SUFFIX, NULL);
}
else {
return apr_pstrcat(p, conf->cache_root, "/", dobj->hashfile,
CACHE_DATA_SUFFIX, NULL);
}
}
static void mkdir_structure(disk_cache_conf *conf, const char *file, apr_pool_t *pool)
@@ -352,6 +369,7 @@ static int create_entity(cache_handle_t *h, request_rec *r, const char *key, apr
obj->key = apr_pstrdup(r->pool, key);
dobj->name = obj->key;
dobj->prefix = NULL;
dobj->datafile = data_file(r->pool, conf, dobj, key);
dobj->hdrsfile = header_file(r->pool, conf, dobj, key);
dobj->tempfile = apr_pstrcat(r->pool, conf->cache_root, AP_TEMPFILE, NULL);
@@ -393,6 +411,8 @@ static int open_entity(cache_handle_t *h, request_rec *r, const char *key)
info = &(obj->info);
/* Open the headers file */
dobj->prefix = NULL;
dobj->hdrsfile = header_file(r->pool, conf, dobj, key);
flags = APR_READ|APR_BINARY|APR_BUFFERED;
rc = apr_file_open(&dobj->hfd, dobj->hdrsfile, flags, 0, r->pool);
@@ -428,6 +448,7 @@ static int open_entity(cache_handle_t *h, request_rec *r, const char *key)
nkey = regen_key(r->pool, r->headers_in, varray, key);
dobj->hashfile = NULL;
dobj->prefix = dobj->hdrsfile;
dobj->hdrsfile = header_file(r->pool, conf, dobj, nkey);
flags = APR_READ|APR_BINARY|APR_BUFFERED;
@@ -784,6 +805,7 @@ static apr_status_t store_headers(cache_handle_t *h, request_rec *r, cache_info
dobj->tempfile = apr_pstrcat(r->pool, conf->cache_root, AP_TEMPFILE, NULL);
tmp = regen_key(r->pool, r->headers_in, varray, dobj->name);
dobj->prefix = dobj->hdrsfile;
dobj->hashfile = NULL;
dobj->datafile = data_file(r->pool, conf, dobj, tmp);
dobj->hdrsfile = header_file(r->pool, conf, dobj, tmp);