blob: 8c68e74bccc9fe5c960170a53a940ea6766fac2e [file] [log] [blame]
// 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 "quic/core/quic_types.h"
#include "quic/platform/api/quic_export.h"
namespace quic {
// Unidirectional stream types.
// https://quicwg.org/base-drafts/draft-ietf-quic-http.html#unidirectional-streams
const uint64_t kControlStream = 0x00;
const uint64_t kServerPushStream = 0x01;
// https://quicwg.org/base-drafts/draft-ietf-quic-qpack.html#enc-dec-stream-def
const uint64_t kQpackEncoderStream = 0x02;
const uint64_t kQpackDecoderStream = 0x03;
// This includes control stream, QPACK encoder stream, and QPACK decoder stream.
const QuicStreamCount kHttp3StaticUnidirectionalStreamCount = 3;
// 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 {
// Same value as spdy::SETTINGS_HEADER_TABLE_SIZE.
SETTINGS_QPACK_MAX_TABLE_CAPACITY = 0x01,
// Same value as spdy::SETTINGS_MAX_HEADER_LIST_SIZE.
SETTINGS_MAX_FIELD_SECTION_SIZE = 0x06,
SETTINGS_QPACK_BLOCKED_STREAMS = 0x07,
};
// Returns HTTP/3 SETTINGS identifier as a string.
QUIC_EXPORT std::string H3SettingsToString(
Http3AndQpackSettingsIdentifiers identifier);
// Default maximum dynamic table capacity, communicated via
// SETTINGS_QPACK_MAX_TABLE_CAPACITY.
const QuicByteCount kDefaultQpackMaxDynamicTableCapacity = 64 * 1024; // 64 KB
// Default limit on the size of uncompressed headers,
// communicated via SETTINGS_MAX_HEADER_LIST_SIZE.
const QuicByteCount kDefaultMaxUncompressedHeaderSize = 16 * 1024; // 16 KB
// Default limit on number of blocked streams, communicated via
// SETTINGS_QPACK_BLOCKED_STREAMS.
const uint64_t kDefaultMaximumBlockedStreams = 100;
const char kUserAgentHeaderName[] = "user-agent";
} // namespace quic
#endif // QUICHE_QUIC_CORE_HTTP_HTTP_CONSTANTS_H_