Project import generated by Copybara.
PiperOrigin-RevId: 237361882
Change-Id: I109a68f44db867b20f8c6a7732b0ce657133e52a
diff --git a/quic/core/frames/quic_frame.h b/quic/core/frames/quic_frame.h
new file mode 100644
index 0000000..d753862
--- /dev/null
+++ b/quic/core/frames/quic_frame.h
@@ -0,0 +1,148 @@
+// Copyright (c) 2016 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_FRAMES_QUIC_FRAME_H_
+#define QUICHE_QUIC_CORE_FRAMES_QUIC_FRAME_H_
+
+#include <ostream>
+#include <vector>
+
+#include "net/third_party/quiche/src/quic/core/frames/quic_ack_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_application_close_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_blocked_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_connection_close_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_crypto_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_goaway_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_max_stream_id_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_message_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_mtu_discovery_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_new_connection_id_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_new_token_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_padding_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_path_challenge_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_path_response_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_ping_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_retire_connection_id_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_rst_stream_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_stop_sending_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_stop_waiting_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_stream_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_stream_id_blocked_frame.h"
+#include "net/third_party/quiche/src/quic/core/frames/quic_window_update_frame.h"
+#include "net/third_party/quiche/src/quic/core/quic_types.h"
+#include "net/third_party/quiche/src/quic/platform/api/quic_containers.h"
+#include "net/third_party/quiche/src/quic/platform/api/quic_export.h"
+
+namespace quic {
+
+struct QUIC_EXPORT_PRIVATE QuicFrame {
+ QuicFrame();
+ // Please keep the constructors in the same order as the union below.
+ explicit QuicFrame(QuicPaddingFrame padding_frame);
+ explicit QuicFrame(QuicMtuDiscoveryFrame frame);
+ explicit QuicFrame(QuicPingFrame frame);
+ explicit QuicFrame(QuicMaxStreamIdFrame frame);
+ explicit QuicFrame(QuicStopWaitingFrame frame);
+ explicit QuicFrame(QuicStreamIdBlockedFrame frame);
+ explicit QuicFrame(QuicStreamFrame stream_frame);
+
+ explicit QuicFrame(QuicAckFrame* frame);
+ explicit QuicFrame(QuicRstStreamFrame* frame);
+ explicit QuicFrame(QuicConnectionCloseFrame* frame);
+ explicit QuicFrame(QuicGoAwayFrame* frame);
+ explicit QuicFrame(QuicWindowUpdateFrame* frame);
+ explicit QuicFrame(QuicBlockedFrame* frame);
+ explicit QuicFrame(QuicApplicationCloseFrame* frame);
+ explicit QuicFrame(QuicNewConnectionIdFrame* frame);
+ explicit QuicFrame(QuicRetireConnectionIdFrame* frame);
+ explicit QuicFrame(QuicNewTokenFrame* frame);
+ explicit QuicFrame(QuicPathResponseFrame* frame);
+ explicit QuicFrame(QuicPathChallengeFrame* frame);
+ explicit QuicFrame(QuicStopSendingFrame* frame);
+ explicit QuicFrame(QuicMessageFrame* message_frame);
+ explicit QuicFrame(QuicCryptoFrame* crypto_frame);
+
+ QUIC_EXPORT_PRIVATE friend std::ostream& operator<<(std::ostream& os,
+ const QuicFrame& frame);
+
+ union {
+ // Inlined frames.
+ // Overlapping inlined frames have a |type| field at the same 0 offset as
+ // QuicFrame does for out of line frames below, allowing use of the
+ // remaining 7 bytes after offset for frame-type specific fields.
+ QuicPaddingFrame padding_frame;
+ QuicMtuDiscoveryFrame mtu_discovery_frame;
+ QuicPingFrame ping_frame;
+ QuicMaxStreamIdFrame max_stream_id_frame;
+ QuicStopWaitingFrame stop_waiting_frame;
+ QuicStreamIdBlockedFrame stream_id_blocked_frame;
+ QuicStreamFrame stream_frame;
+
+ // Out of line frames.
+ struct {
+ QuicFrameType type;
+
+ // TODO(wub): These frames can also be inlined without increasing the size
+ // of QuicFrame: QuicRstStreamFrame, QuicWindowUpdateFrame,
+ // QuicBlockedFrame, QuicPathResponseFrame, QuicPathChallengeFrame and
+ // QuicStopSendingFrame.
+ union {
+ QuicAckFrame* ack_frame;
+ QuicRstStreamFrame* rst_stream_frame;
+ QuicConnectionCloseFrame* connection_close_frame;
+ QuicGoAwayFrame* goaway_frame;
+ QuicWindowUpdateFrame* window_update_frame;
+ QuicBlockedFrame* blocked_frame;
+ QuicApplicationCloseFrame* application_close_frame;
+ QuicNewConnectionIdFrame* new_connection_id_frame;
+ QuicRetireConnectionIdFrame* retire_connection_id_frame;
+ QuicPathResponseFrame* path_response_frame;
+ QuicPathChallengeFrame* path_challenge_frame;
+ QuicStopSendingFrame* stop_sending_frame;
+ QuicMessageFrame* message_frame;
+ QuicCryptoFrame* crypto_frame;
+ QuicNewTokenFrame* new_token_frame;
+ };
+ };
+ };
+};
+
+static_assert(sizeof(QuicFrame) <= 24,
+ "Frames larger than 24 bytes should be referenced by pointer.");
+static_assert(offsetof(QuicStreamFrame, type) == offsetof(QuicFrame, type),
+ "Offset of |type| must match in QuicFrame and QuicStreamFrame");
+
+// A inline size of 1 is chosen to optimize the typical use case of
+// 1-stream-frame in QuicTransmissionInfo.retransmittable_frames.
+typedef QuicInlinedVector<QuicFrame, 1> QuicFrames;
+
+// Deletes all the sub-frames contained in |frames|.
+QUIC_EXPORT_PRIVATE void DeleteFrames(QuicFrames* frames);
+
+// Delete the sub-frame contained in |frame|.
+QUIC_EXPORT_PRIVATE void DeleteFrame(QuicFrame* frame);
+
+// Deletes all the QuicStreamFrames for the specified |stream_id|.
+QUIC_EXPORT_PRIVATE void RemoveFramesForStream(QuicFrames* frames,
+ QuicStreamId stream_id);
+
+// Returns true if |type| is a retransmittable control frame.
+QUIC_EXPORT_PRIVATE bool IsControlFrame(QuicFrameType type);
+
+// Returns control_frame_id of |frame|. Returns kInvalidControlFrameId if
+// |frame| does not have a valid control_frame_id.
+QUIC_EXPORT_PRIVATE QuicControlFrameId
+GetControlFrameId(const QuicFrame& frame);
+
+// Sets control_frame_id of |frame| to |control_frame_id|.
+QUIC_EXPORT_PRIVATE void SetControlFrameId(QuicControlFrameId control_frame_id,
+ QuicFrame* frame);
+
+// Returns a copy of |frame|.
+QUIC_EXPORT_PRIVATE QuicFrame
+CopyRetransmittableControlFrame(const QuicFrame& frame);
+
+} // namespace quic
+
+#endif // QUICHE_QUIC_CORE_FRAMES_QUIC_FRAME_H_
