nghttp2/src/cache_digest.h

49 lines
1.7 KiB
C++

/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2016 Tatsuhiro Tsujikawa
*
* 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 CACHE_DIGEST_H
#define CACHE_DIGEST_H
#include "nghttp2_config.h"
#include <vector>
#include <string>
#include "template.h"
namespace nghttp2 {
ssize_t cache_digest_encode(uint8_t *data, size_t datalen,
const std::vector<std::string> &uris,
uint32_t logp);
int cache_digest_decode(std::vector<uint64_t> &keys, uint32_t &logn,
uint32_t &logp, const uint8_t *data, size_t datalen);
int cache_digest_hash(uint64_t &key, size_t nbits, const StringRef &s);
} // namespace nghttp2
#endif // CACHE_DIGEST_H