chromium/net/third_party/quiche/src/quiche/quic/core/http/http_constants.h

// Copyright (c) 2019 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 QUICHE_QUIC_CORE_HTTP_HTTP_CONSTANTS_H_
#define QUICHE_QUIC_CORE_HTTP_HTTP_CONSTANTS_H_

#include <cstdint>
#include <string>

#include "absl/strings/string_view.h"
#include "quiche/quic/core/quic_types.h"
#include "quiche/quic/platform/api/quic_export.h"

namespace quic {

// Unidirectional stream types.
enum : uint64_t { … };

// This includes control stream, QPACK encoder stream, and QPACK decoder stream.
enum : QuicStreamCount { … };

// HTTP/3 and QPACK settings identifiers.
// https://quicwg.org/base-drafts/draft-ietf-quic-http.html#settings-parameters
// https://quicwg.org/base-drafts/draft-ietf-quic-qpack.html#configuration
enum Http3AndQpackSettingsIdentifiers : uint64_t { … };

// Returns HTTP/3 SETTINGS identifier as a string.
QUICHE_EXPORT std::string H3SettingsToString(
    Http3AndQpackSettingsIdentifiers identifier);

// Default maximum dynamic table capacity, communicated via
// SETTINGS_QPACK_MAX_TABLE_CAPACITY.
enum : QuicByteCount { … };

// Default limit on the size of uncompressed headers,
// communicated via SETTINGS_MAX_HEADER_LIST_SIZE.
enum : QuicByteCount { … };

// Default limit on number of blocked streams, communicated via
// SETTINGS_QPACK_BLOCKED_STREAMS.
enum : uint64_t { … };

ABSL_CONST_INIT QUICHE_EXPORT extern const absl::string_view
    kUserAgentHeaderName;

}  // namespace quic

#endif  // QUICHE_QUIC_CORE_HTTP_HTTP_CONSTANTS_H_