023521fcb6
Type: refactor Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I7aff3a02315f9f92039dd2e3af1cbd8312aec662
79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
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* Copyright (c) 2022 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SRC_PLUGINS_HTTP_STATIC_HTTP_CACHE_H_
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#define SRC_PLUGINS_HTTP_STATIC_HTTP_CACHE_H_
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#include <vppinfra/bihash_vec8_8.h>
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typedef struct hss_cache_entry_
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{
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/** Name of the file */
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u8 *filename;
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/** Contents of the file, as a u8 * vector */
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u8 *data;
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/** Last time the cache entry was used */
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f64 last_used;
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/** Cache LRU links */
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u32 next_index;
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u32 prev_index;
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/** Reference count, so we don't recycle while referenced */
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int inuse;
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} hss_cache_entry_t;
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typedef struct hss_cache_
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{
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/** Unified file data cache pool */
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hss_cache_entry_t *cache_pool;
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/** Hash table which maps file name to file data */
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BVT (clib_bihash) name_to_data;
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/** Session pool lock */
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clib_spinlock_t cache_lock;
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/** Current cache size */
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u64 cache_size;
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/** Max cache size in bytes */
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u64 cache_limit;
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/** Number of cache evictions */
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u64 cache_evictions;
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/** Cache LRU listheads */
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u32 first_index;
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u32 last_index;
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u8 debug_level;
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} hss_cache_t;
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u32 hss_cache_lookup_and_attach (hss_cache_t *hc, u8 *path, u8 **data,
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u64 *data_len);
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u32 hss_cache_add_and_attach (hss_cache_t *hc, u8 *path, u8 **data,
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u64 *data_len);
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void hss_cache_detach_entry (hss_cache_t *hc, u32 ce_index);
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u32 hss_cache_clear (hss_cache_t *hc);
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void hss_cache_init (hss_cache_t *hc, uword cache_size, u8 debug_level);
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u8 *format_hss_cache (u8 *s, va_list *args);
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#endif /* SRC_PLUGINS_HTTP_STATIC_HTTP_CACHE_H_ */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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