/*
 * 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