mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-12-01 01:36:09 +03:00
79 lines
2.9 KiB
C++
79 lines
2.9 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef NET_QUIC_CORE_QUIC_UTILS_H_
|
|
#define NET_QUIC_CORE_QUIC_UTILS_H_
|
|
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <string>
|
|
|
|
#include "base/macros.h"
|
|
#include "net/base/int128.h"
|
|
#include "net/base/iovec.h"
|
|
#include "net/quic/core/quic_error_codes.h"
|
|
#include "net/quic/core/quic_types.h"
|
|
#include "net/quic/platform/api/quic_export.h"
|
|
#include "net/quic/platform/api/quic_socket_address.h"
|
|
#include "net/quic/platform/api/quic_string_piece.h"
|
|
|
|
namespace net {
|
|
|
|
class QUIC_EXPORT_PRIVATE QuicUtils {
|
|
public:
|
|
// Returns the 64 bit FNV1a hash of the data. See
|
|
// http://www.isthe.com/chongo/tech/comp/fnv/index.html#FNV-param
|
|
static uint64_t FNV1a_64_Hash(QuicStringPiece data);
|
|
|
|
// Returns the 128 bit FNV1a hash of the data. See
|
|
// http://www.isthe.com/chongo/tech/comp/fnv/index.html#FNV-param
|
|
static uint128 FNV1a_128_Hash(QuicStringPiece data);
|
|
|
|
// Returns the 128 bit FNV1a hash of the two sequences of data. See
|
|
// http://www.isthe.com/chongo/tech/comp/fnv/index.html#FNV-param
|
|
static uint128 FNV1a_128_Hash_Two(QuicStringPiece data1,
|
|
QuicStringPiece data2);
|
|
|
|
// Returns the 128 bit FNV1a hash of the three sequences of data. See
|
|
// http://www.isthe.com/chongo/tech/comp/fnv/index.html#FNV-param
|
|
static uint128 FNV1a_128_Hash_Three(QuicStringPiece data1,
|
|
QuicStringPiece data2,
|
|
QuicStringPiece data3);
|
|
|
|
// SerializeUint128 writes the first 96 bits of |v| in little-endian form
|
|
// to |out|.
|
|
static void SerializeUint128Short(uint128 v, uint8_t* out);
|
|
|
|
// Returns the level of encryption as a char*
|
|
static const char* EncryptionLevelToString(EncryptionLevel level);
|
|
|
|
// Returns TransmissionType as a char*
|
|
static const char* TransmissionTypeToString(TransmissionType type);
|
|
|
|
// Returns PeerAddressChangeType as a std::string.
|
|
static std::string PeerAddressChangeTypeToString(PeerAddressChangeType type);
|
|
|
|
// Determines and returns change type of address change from |old_address| to
|
|
// |new_address|.
|
|
static PeerAddressChangeType DetermineAddressChangeType(
|
|
const QuicSocketAddress& old_address,
|
|
const QuicSocketAddress& new_address);
|
|
|
|
// Copies |buffer_length| bytes from iov starting at offset |iov_offset| into
|
|
// buffer. |iov| must be at least iov_offset+length total length and buffer
|
|
// must be at least |length| long.
|
|
static void CopyToBuffer(const struct iovec* iov,
|
|
int iov_count,
|
|
size_t iov_offset,
|
|
size_t buffer_length,
|
|
char* buffer);
|
|
|
|
private:
|
|
DISALLOW_COPY_AND_ASSIGN(QuicUtils);
|
|
};
|
|
|
|
} // namespace net
|
|
|
|
#endif // NET_QUIC_CORE_QUIC_UTILS_H_
|