| // Copyright 2013 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_QUIC_HEADERS_STREAM_H_ |
| #define QUICHE_QUIC_CORE_HTTP_QUIC_HEADERS_STREAM_H_ |
| |
| #include <cstddef> |
| #include <memory> |
| |
| #include "quiche/quic/core/http/quic_header_list.h" |
| #include "quiche/quic/core/quic_packets.h" |
| #include "quiche/quic/core/quic_stream.h" |
| #include "quiche/quic/platform/api/quic_export.h" |
| #include "quiche/spdy/core/spdy_framer.h" |
| |
| namespace quic { |
| |
| class QuicSpdySession; |
| |
| namespace test { |
| class QuicHeadersStreamPeer; |
| } // namespace test |
| |
| // Headers in QUIC are sent as HTTP/2 HEADERS or PUSH_PROMISE frames over a |
| // reserved stream with the id 3. Each endpoint (client and server) will |
| // allocate an instance of QuicHeadersStream to send and receive headers. |
| class QUIC_EXPORT_PRIVATE QuicHeadersStream : public QuicStream { |
| public: |
| explicit QuicHeadersStream(QuicSpdySession* session); |
| QuicHeadersStream(const QuicHeadersStream&) = delete; |
| QuicHeadersStream& operator=(const QuicHeadersStream&) = delete; |
| ~QuicHeadersStream() override; |
| |
| // QuicStream implementation |
| void OnDataAvailable() override; |
| |
| // Release underlying buffer if allowed. |
| void MaybeReleaseSequencerBuffer(); |
| |
| bool OnStreamFrameAcked(QuicStreamOffset offset, QuicByteCount data_length, |
| bool fin_acked, QuicTime::Delta ack_delay_time, |
| QuicTime receive_timestamp, |
| QuicByteCount* newly_acked_length) override; |
| |
| void OnStreamFrameRetransmitted(QuicStreamOffset offset, |
| QuicByteCount data_length, |
| bool fin_retransmitted) override; |
| |
| void OnStreamReset(const QuicRstStreamFrame& frame) override; |
| |
| private: |
| friend class test::QuicHeadersStreamPeer; |
| |
| // CompressedHeaderInfo includes simple information of a header, including |
| // offset in headers stream, unacked length and ack listener of this header. |
| struct QUIC_EXPORT_PRIVATE CompressedHeaderInfo { |
| CompressedHeaderInfo( |
| QuicStreamOffset headers_stream_offset, QuicStreamOffset full_length, |
| quiche::QuicheReferenceCountedPointer<QuicAckListenerInterface> |
| ack_listener); |
| CompressedHeaderInfo(const CompressedHeaderInfo& other); |
| ~CompressedHeaderInfo(); |
| |
| // Offset the header was sent on the headers stream. |
| QuicStreamOffset headers_stream_offset; |
| // The full length of the header. |
| QuicByteCount full_length; |
| // The remaining bytes to be acked. |
| QuicByteCount unacked_length; |
| // Ack listener of this header, and it is notified once any of the bytes has |
| // been acked or retransmitted. |
| quiche::QuicheReferenceCountedPointer<QuicAckListenerInterface> |
| ack_listener; |
| }; |
| |
| // Returns true if the session is still connected. |
| bool IsConnected(); |
| |
| // Override to store mapping from offset, length to ack_listener. This |
| // ack_listener is notified once data within [offset, offset + length] is |
| // acked or retransmitted. |
| void OnDataBuffered( |
| QuicStreamOffset offset, QuicByteCount data_length, |
| const quiche::QuicheReferenceCountedPointer<QuicAckListenerInterface>& |
| ack_listener) override; |
| |
| QuicSpdySession* spdy_session_; |
| |
| // Headers that have not been fully acked. |
| quiche::QuicheCircularDeque<CompressedHeaderInfo> unacked_headers_; |
| }; |
| |
| } // namespace quic |
| |
| #endif // QUICHE_QUIC_CORE_HTTP_QUIC_HEADERS_STREAM_H_ |