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Diffstat (limited to 'modules/experimental/mod_disk_cache.c')
| -rw-r--r-- | modules/experimental/mod_disk_cache.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/modules/experimental/mod_disk_cache.c b/modules/experimental/mod_disk_cache.c deleted file mode 100644 index cbd28bf04a..0000000000 --- a/modules/experimental/mod_disk_cache.c +++ /dev/null @@ -1,170 +0,0 @@ -/* ==================================================================== - * The Apache Software License, Version 1.1 - * - * Copyright (c) 2000-2001 The Apache Software Foundation. All rights - * reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. The end-user documentation included with the redistribution, - * if any, must include the following acknowledgment: - * "This product includes software developed by the - * Apache Software Foundation (http://www.apache.org/)." - * Alternately, this acknowledgment may appear in the software itself, - * if and wherever such third-party acknowledgments normally appear. - * - * 4. The names "Apache" and "Apache Software Foundation" must - * not be used to endorse or promote products derived from this - * software without prior written permission. For written - * permission, please contact apache@apache.org. - * - * 5. Products derived from this software may not be called "Apache", - * nor may "Apache" appear in their name, without prior written - * permission of the Apache Software Foundation. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of the Apache Software Foundation. For more - * information on the Apache Software Foundation, please see - * <http://www.apache.org/>. - * - * Portions of this software are based upon public domain software - * originally written at the National Center for Supercomputing Applications, - * University of Illinois, Urbana-Champaign. - */ - -#include "mod_cache.h" -#include "apr_file_io.h" -#include "apr_strings.h" -#include "http_config.h" -#include "http_log.h" -#include "util_filter.h" - -module MODULE_VAR_EXPORT disk_cache_module; - -static int disk_serve(request_rec *r) -{ - apr_bucket *e; - apr_bucket_brigade *bb = apr_brigade_create(r->pool); - const char *filename; - apr_file_t *fd = NULL; - apr_status_t rv; - ap_filter_t *f; - char str[256]; - apr_off_t offset = 0; - - filename = ap_server_root_relative(r->pool, - apr_pstrcat(r->pool, "proxy", r->uri, NULL)); - if ((rv = apr_file_open(&fd, filename, APR_READ, - APR_UREAD, r->connection->pool)) != APR_SUCCESS) { - return DECLINED; - } - - /* skip the cached headers. */ - do { - apr_file_gets(str, 256, fd); - offset += strlen(str); - } while (strcmp(str, CRLF)); - - /* If we are serving from the cache, we don't want to try to cache it - * again. - */ - for ((f = r->output_filters); (f = f->next);) { - if (!strcmp(f->frec->name, "CACHE")) { - ap_remove_output_filter(f); - } - } - - e = apr_bucket_file_create(fd, offset, r->finfo.size); - - APR_BRIGADE_INSERT_HEAD(bb, e); - e = apr_bucket_eos_create(); - APR_BRIGADE_INSERT_TAIL(bb, e); - - ap_pass_brigade(r->output_filters, bb); - return OK; -} - -typedef struct cache_struct { - const char *filename; - apr_file_t *fd; - int state; -} cache_struct; - -static int disk_cache(request_rec *r, apr_bucket_brigade *bb, void **cf) -{ - cache_struct *ctx = *cf; - apr_bucket *e; - - if (ctx == NULL) { - *cf = ctx = apr_pcalloc(r->pool, sizeof(*ctx)); - } - if (ctx->filename == NULL) { - apr_status_t rv; - apr_dir_make(ap_server_root_relative(r->pool, "proxy"), APR_UREAD | APR_UWRITE | APR_UEXECUTE | APR_GREAD | APR_GWRITE, r->pool); - - /* currently, we are using the uri as the cache key. This is - * probably wrong, but it is much better than a hard-coded filename. - */ - ctx->filename = ap_server_root_relative(r->pool, - apr_pstrcat(r->pool, "proxy", r->uri, NULL)); - if ((rv = apr_file_open(&ctx->fd, ctx->filename, - APR_WRITE | APR_CREATE | APR_TRUNCATE | APR_BUFFERED, - APR_UREAD | APR_UWRITE, r->pool)) != APR_SUCCESS) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, - "Could not create cache file"); - *cf = NULL; - return DECLINED; - } - } - APR_BRIGADE_FOREACH(e, bb) { - const char *str; - apr_ssize_t length; - - apr_bucket_read(e, &str, &length, APR_BLOCK_READ); - apr_file_write(ctx->fd, str, &length); - } - if (APR_BUCKET_IS_EOS(APR_BRIGADE_LAST(bb))) { - apr_file_close(ctx->fd); - } - return OK; -} - -static void disk_cache_register_hook(apr_pool_t *p) -{ - ap_hook_store_cache(disk_cache, NULL, NULL, APR_HOOK_MIDDLE); - ap_hook_serve_cache(disk_serve, NULL, NULL, APR_HOOK_MIDDLE); -} - -module MODULE_VAR_EXPORT disk_cache_module = { - STANDARD20_MODULE_STUFF, - NULL, /* create per-directory config structure */ - NULL, /* merge per-directory config structures */ - NULL, /* create per-server config structure */ - NULL, /* merge per-server config structures */ - NULL, /* command apr_table_t */ - disk_cache_register_hook /* register hooks */ -}; |