| /** @file |
| * |
| * A brief file description |
| * |
| * @section license License |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <cstddef> |
| #include <cstdint> |
| |
| class QUICVariableInt |
| { |
| public: |
| static size_t size(const uint8_t *src); |
| static size_t size(uint64_t src); |
| static int encode(uint8_t *dst, size_t dst_len, size_t &len, uint64_t src); |
| static int decode(uint64_t &dst, size_t &len, const uint8_t *src, size_t src_len = 8); |
| }; |
| |
| class QUICIntUtil |
| { |
| public: |
| static uint64_t read_QUICVariableInt(const uint8_t *buf, size_t buf_len); |
| static void write_QUICVariableInt(uint64_t data, uint8_t *buf, size_t *len); |
| static uint64_t read_nbytes_as_uint(const uint8_t *buf, uint8_t n); |
| static void write_uint_as_nbytes(uint64_t value, uint8_t n, uint8_t *buf, size_t *len); |
| }; |