Project import generated by Copybara.
PiperOrigin-RevId: 237361882
Change-Id: I109a68f44db867b20f8c6a7732b0ce657133e52a
diff --git a/quic/core/frames/quic_window_update_frame.h b/quic/core/frames/quic_window_update_frame.h
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+++ b/quic/core/frames/quic_window_update_frame.h
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+// 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_WINDOW_UPDATE_FRAME_H_
+#define QUICHE_QUIC_CORE_FRAMES_QUIC_WINDOW_UPDATE_FRAME_H_
+
+#include <ostream>
+
+#include "net/third_party/quiche/src/quic/core/quic_types.h"
+
+namespace quic {
+
+// Flow control updates per-stream and at the connection level.
+// Based on SPDY's WINDOW_UPDATE frame, but uses an absolute byte offset rather
+// than a window delta.
+// TODO(rjshade): A possible future optimization is to make stream_id and
+// byte_offset variable length, similar to stream frames.
+struct QUIC_EXPORT_PRIVATE QuicWindowUpdateFrame {
+ QuicWindowUpdateFrame();
+ QuicWindowUpdateFrame(QuicControlFrameId control_frame_id,
+ QuicStreamId stream_id,
+ QuicStreamOffset byte_offset);
+
+ friend QUIC_EXPORT_PRIVATE std::ostream& operator<<(
+ std::ostream& os,
+ const QuicWindowUpdateFrame& w);
+
+ // A unique identifier of this control frame. 0 when this frame is received,
+ // and non-zero when sent.
+ QuicControlFrameId control_frame_id;
+
+ // The stream this frame applies to. 0 is a special case meaning the overall
+ // connection rather than a specific stream.
+ QuicStreamId stream_id;
+
+ // Byte offset in the stream or connection. The receiver of this frame must
+ // not send data which would result in this offset being exceeded.
+ //
+ // TODO(fkastenholz): Rename this to max_data and change the type to
+ // QuicByteCount because the IETF defines this as the "maximum
+ // amount of data that can be sent".
+ QuicStreamOffset byte_offset;
+};
+
+} // namespace quic
+
+#endif // QUICHE_QUIC_CORE_FRAMES_QUIC_WINDOW_UPDATE_FRAME_H_
