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/*
* Copyright (c) 2015 DeNA Co., Ltd., Kazuho Oku
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef h2o__cache_digests_h
#define h2o__cache_digests_h
#include <stddef.h>
#include <stdlib.h>
#include "h2o/memory.h"
typedef enum en_h2o_cache_digests_state_t {
H2O_CACHE_DIGESTS_STATE_UNKNOWN,
H2O_CACHE_DIGESTS_STATE_NOT_CACHED,
H2O_CACHE_DIGESTS_STATE_FRESH,
H2O_CACHE_DIGESTS_STATE_STALE
} h2o_cache_digests_state_t;
typedef struct st_h2o_cache_digests_frame_t h2o_cache_digests_frame_t;
typedef H2O_VECTOR(h2o_cache_digests_frame_t) h2o_cache_digests_frame_vector_t;
typedef struct st_h2o_cache_digests_t {
struct {
h2o_cache_digests_frame_vector_t url_only;
h2o_cache_digests_frame_vector_t url_and_etag;
int complete;
} fresh;
} h2o_cache_digests_t;
/**
* destroys the object
*/
void h2o_cache_digests_destroy(h2o_cache_digests_t *digests);
/**
* loads a header (*digests may be NULL)
*/
void h2o_cache_digests_load_header(h2o_cache_digests_t **digests, const char *value, size_t len);
/**
* lookup for a match with URL only
*/
h2o_cache_digests_state_t h2o_cache_digests_lookup_by_url(h2o_cache_digests_t *digests, const char *url, size_t url_len);
/**
* lookup for a match with URL and etag
*/
h2o_cache_digests_state_t h2o_cache_digests_lookup_by_url_and_etag(h2o_cache_digests_t *digests, const char *url, size_t url_len,
const char *etag, size_t etag_len);
#endif
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