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Diffstat (limited to 'buckets/util_filter.c')
| -rw-r--r-- | buckets/util_filter.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/buckets/util_filter.c b/buckets/util_filter.c deleted file mode 100644 index 228491bca..000000000 --- a/buckets/util_filter.c +++ /dev/null @@ -1,146 +0,0 @@ -/* ==================================================================== - * The Apache Software License, Version 1.1 - * - * Copyright (c) 2000 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/>. - */ - -#include "util_filter.h" - -/* - * ap_filter_rec_t: - * - * This (internal) structure is used for recording information about the - * registered filters. It associates a name with the filter's callback - * and filter type. - * - * At the moment, these are simply linked in a chain, so a ->next pointer - * is available. - */ -typedef struct ap_filter_rec_t { - const char *name; - apr_filter_func filter_func; - ap_filter_type ftype; - - struct ap_filter_rec_t *next; -} ap_filter_rec_t; - -/* ### make this visible for direct manipulation? - ### use a hash table -*/ -static ap_filter_rec_t *registered_filters = NULL; - -/* NOTE: Apache's current design doesn't allow a pool to be passed thu, - so we depend on a global to hold the correct pool -*/ -#define FILTER_POOL ap_global_hook_pool -#include "ap_hooks.h" /* for ap_global_hook_pool */ - -/* -** This macro returns true/false if a given filter should be inserted BEFORE -** another filter. This will happen when one of: 1) there isn't another -** filter; 2) that filter has a higher filter type (class); 3) that filter -** corresponds to a different request. -*/ -#define INSERT_BEFORE(f, before_this) ((before_this) == NULL \ - || (before_this)->ftype > (f)->ftype) - - -static apr_status_t filter_cleanup(void *ctx) -{ - registered_filters = NULL; - return APR_SUCCESS; -} - -API_EXPORT(void) ap_register_filter(const char *name, - apr_filter_func filter_func, - ap_filter_type ftype) -{ - ap_filter_rec_t *frec = apr_palloc(FILTER_POOL, sizeof(*frec)); - - frec->name = name; - frec->filter_func = filter_func; - frec->ftype = ftype; - - frec->next = registered_filters; - registered_filters = frec; - - apr_register_cleanup(FILTER_POOL, NULL, filter_cleanup, NULL); -} - -API_EXPORT(void) ap_add_filter(const char *name, void *ctx, request_rec *r) -{ - ap_filter_rec_t *frec = registered_filters; - - for (; frec != NULL; frec = frec->next) { - if (!strcasecmp(name, frec->name)) { - apr_filter_t *f = apr_pcalloc(r->pool, sizeof(*f)); - - f->filter_func = frec->filter_func; - f->ctx = ctx; - f->ftype = frec->ftype; - - if (INSERT_BEFORE(f, r->filters)) { - f->next = r->filters; - r->filters = f; - } - else { - apr_filter_t *fscan = r->filters; - while (!INSERT_BEFORE(f, fscan->next)) - fscan = fscan->next; - f->next = fscan->next; - fscan->next = f; - } - - break; - } - } -} - |