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/** @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 "tscore/ink_platform.h"
#include <memory>
enum class Http3StreamType : uint8_t {
CONTROL = 0x00, ///< HTTP/3
PUSH = 0x01, ///< HTTP/3
QPACK_ENCODER = 0x02, ///< QPACK : encoder -> decoder
QPACK_DECODER = 0x03, ///< QPACK : decoder -> encoder
RESERVED = 0x21,
UNKNOWN = 0xFF,
};
enum class Http3SettingsId : uint64_t {
HEADER_TABLE_SIZE = 0x01, ///< QPACK Settings
RESERVED_1 = 0x02, ///< HTTP/3 Settings
RESERVED_2 = 0x03, ///< HTTP/3 Settings
RESERVED_3 = 0x04, ///< HTTP/3 Settings
RESERVED_4 = 0x05, ///< HTTP/3 Settings
MAX_HEADER_LIST_SIZE = 0x06, ///< HTTP/3 Settings
QPACK_BLOCKED_STREAMS = 0x07, ///< QPACK Settings
NUM_PLACEHOLDERS = 0x09, ///< HTTP/3 Settings
UNKNOWN = 0x0A0A,
};
// Update Http3Frame::type(const uint8_t *) too when you modify this list
enum class Http3FrameType : uint64_t {
DATA = 0x00,
HEADERS = 0x01,
PRIORITY = 0x02,
CANCEL_PUSH = 0x03,
SETTINGS = 0x04,
PUSH_PROMISE = 0x05,
X_RESERVED_1 = 0x06,
GOAWAY = 0x07,
X_RESERVED_2 = 0x08,
X_RESERVED_3 = 0x09,
MAX_PUSH_ID = 0x0D,
DUPLICATE_PUSH_ID = 0x0E,
X_MAX_DEFINED = 0x0E,
UNKNOWN = 0xFF,
};
enum class Http3ErrorClass {
NONE,
APPLICATION,
};
// Actual error code of QPACK is not decided yet on qpack-05. It will be changed.
enum class Http3ErrorCode : uint16_t {
NO_ERROR = 0x0000,
WRONG_SETTING_DIRECTION = 0x0001,
PUSH_REFUSED = 0x0002,
INTERNAL_ERROR = 0x0003,
PUSH_ALREADY_IN_CACHE = 0x0004,
REQUEST_CANCELLED = 0x0005,
INCOMPLETE_REQUEST = 0x0006,
CONNECT_ERROR = 0x0007,
EXCESSIVE_LOAD = 0x0008,
VERSION_FALLBACK = 0x0009,
WRONG_STREAM = 0x000A,
LIMIT_EXCEEDED = 0x000B,
DUPLICATE_PUSH = 0x000C,
UNKNOWN_STREAM_TYPE = 0x000D,
WRONG_STREAM_COUNT = 0x000E,
CLOSED_CRITICAL_STREAM = 0x000F,
WRONG_STREAM_DIRECTION = 0x0010,
EARLY_RESPONSE = 0x0011,
MISSING_SETTINGS = 0x0012,
UNEXPECTED_FRAME = 0x0013,
REQUEST_REJECTED = 0x0014,
MALFORMED_FRAME = 0x0100,
QPACK_DECOMPRESSION_FAILED = 0x200,
QPACK_ENCODER_STREAM_ERROR = 0x201,
QPACK_DECODER_STREAM_ERROR = 0x202,
};
class Http3Error
{
public:
virtual ~Http3Error() {}
uint16_t code();
Http3ErrorClass cls = Http3ErrorClass::NONE;
union {
Http3ErrorCode app_error_code;
};
const char *msg = nullptr;
protected:
Http3Error(){};
Http3Error(const Http3ErrorCode error_code, const char *error_msg = nullptr)
: cls(Http3ErrorClass::APPLICATION), app_error_code(error_code), msg(error_msg){};
};
class Http3NoError : public Http3Error
{
public:
Http3NoError() : Http3Error() {}
};
class Http3ConnectionError : public Http3Error
{
public:
Http3ConnectionError() : Http3Error() {}
Http3ConnectionError(const Http3ErrorCode error_code, const char *error_msg = nullptr) : Http3Error(error_code, error_msg){};
};
class Http3Stream
{
public:
static Http3StreamType type(const uint8_t *buf);
};
class Http3StreamError : public Http3Error
{
public:
Http3StreamError() : Http3Error() {}
Http3StreamError(Http3Stream *s, const Http3ErrorCode error_code, const char *error_msg = nullptr)
: Http3Error(error_code, error_msg), stream(s){};
Http3Stream *stream;
};
using Http3ErrorUPtr = std::unique_ptr<Http3Error>;
using Http3ConnectionErrorUPtr = std::unique_ptr<Http3ConnectionError>;
using Http3StreamErrorUPtr = std::unique_ptr<Http3StreamError>;
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