| // 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. |
| |
| #ifndef QUICHE_QUIC_CORE_HTTP_HTTP_ENCODER_H_ |
| #define QUICHE_QUIC_CORE_HTTP_HTTP_ENCODER_H_ |
| |
| #include <memory> |
| |
| #include "quiche/quic/core/http/http_frames.h" |
| #include "quiche/quic/core/quic_error_codes.h" |
| #include "quiche/quic/core/quic_types.h" |
| #include "quiche/quic/platform/api/quic_export.h" |
| #include "quiche/common/quiche_buffer_allocator.h" |
| |
| namespace quic { |
| |
| class QuicDataWriter; |
| |
| // A class for encoding the HTTP frames that are exchanged in an HTTP over QUIC |
| // session. |
| class QUIC_EXPORT_PRIVATE HttpEncoder { |
| public: |
| HttpEncoder() = delete; |
| |
| // Returns the length of the header for a DATA frame. |
| static QuicByteCount GetDataFrameHeaderLength(QuicByteCount payload_length); |
| |
| // Serializes a DATA frame header into a QuicheBuffer; returns said |
| // QuicheBuffer on success, empty buffer otherwise. |
| static quiche::QuicheBuffer SerializeDataFrameHeader( |
| QuicByteCount payload_length, quiche::QuicheBufferAllocator* allocator); |
| |
| // Serializes a HEADERS frame header into a new buffer stored in |output|. |
| // Returns the length of the buffer on success, or 0 otherwise. |
| static QuicByteCount SerializeHeadersFrameHeader( |
| QuicByteCount payload_length, std::unique_ptr<char[]>* output); |
| |
| // Serializes a SETTINGS frame into a new buffer stored in |output|. |
| // Returns the length of the buffer on success, or 0 otherwise. |
| static QuicByteCount SerializeSettingsFrame(const SettingsFrame& settings, |
| std::unique_ptr<char[]>* output); |
| |
| // Serializes a GOAWAY frame into a new buffer stored in |output|. |
| // Returns the length of the buffer on success, or 0 otherwise. |
| static QuicByteCount SerializeGoAwayFrame(const GoAwayFrame& goaway, |
| std::unique_ptr<char[]>* output); |
| |
| // Serializes a PRIORITY_UPDATE frame into a new buffer stored in |output|. |
| // Returns the length of the buffer on success, or 0 otherwise. |
| static QuicByteCount SerializePriorityUpdateFrame( |
| const PriorityUpdateFrame& priority_update, |
| std::unique_ptr<char[]>* output); |
| |
| // Serializes an ACCEPT_CH frame into a new buffer stored in |output|. |
| // Returns the length of the buffer on success, or 0 otherwise. |
| static QuicByteCount SerializeAcceptChFrame(const AcceptChFrame& accept_ch, |
| std::unique_ptr<char[]>* output); |
| |
| // Serializes a frame with reserved frame type specified in |
| // https://tools.ietf.org/html/draft-ietf-quic-http-25#section-7.2.9. |
| static QuicByteCount SerializeGreasingFrame(std::unique_ptr<char[]>* output); |
| |
| // Serializes a WEBTRANSPORT_STREAM frame header as specified in |
| // https://www.ietf.org/archive/id/draft-ietf-webtrans-http3-00.html#name-client-initiated-bidirectio |
| static QuicByteCount SerializeWebTransportStreamFrameHeader( |
| WebTransportSessionId session_id, std::unique_ptr<char[]>* output); |
| }; |
| |
| } // namespace quic |
| |
| #endif // QUICHE_QUIC_CORE_HTTP_HTTP_ENCODER_H_ |