blob: cfa32dc0ecd175b68a66b163b0fcc748e8017384 [file] [log] [blame]
// Copyright (c) 2018 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.
#include <type_traits>
#include "net/third_party/quiche/src/quic/core/quic_types.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_export.h"
namespace quic {
// QuicInlinedFrame is the base class of all frame types that is inlined in the
// QuicFrame class. It gurantees all inlined frame types contain a 'type' field
// at offset 0, such that QuicFrame.type can get the correct frame type for both
// inline and out-of-line frame types.
template <typename DerivedT>
struct QUIC_EXPORT_PRIVATE QuicInlinedFrame {
QuicInlinedFrame(QuicFrameType type) {
static_cast<DerivedT*>(this)->type = type;
"Inlined frame must have a standard layout");
static_assert(offsetof(DerivedT, type) == 0,
"type must be the first field.");
static_assert(sizeof(DerivedT) <= 24,
"Frames larger than 24 bytes should not be inlined.");
} // namespace quic