Landing Recent QUIC changes until Fri Nov 18 23:21:04 2016 +0000

net/quic/core/frames/quic_frame.h

+// 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 NET_QUIC_CORE_FRAMES_FRAME_H_
+#define NET_QUIC_CORE_FRAMES_FRAME_H_
+
+#include <vector>
+
+#include "net/quic/core/frames/quic_ack_frame.h"
+#include "net/quic/core/frames/quic_blocked_frame.h"
+#include "net/quic/core/frames/quic_connection_close_frame.h"
+#include "net/quic/core/frames/quic_frame.h"
+#include "net/quic/core/frames/quic_goaway_frame.h"
+#include "net/quic/core/frames/quic_mtu_discovery_frame.h"
+#include "net/quic/core/frames/quic_padding_frame.h"
+#include "net/quic/core/frames/quic_path_close_frame.h"
+#include "net/quic/core/frames/quic_ping_frame.h"
+#include "net/quic/core/frames/quic_rst_stream_frame.h"
+#include "net/quic/core/frames/quic_stop_waiting_frame.h"
+#include "net/quic/core/frames/quic_stream_frame.h"
+#include "net/quic/core/frames/quic_window_update_frame.h"
+#include "net/quic/core/quic_constants.h"
+#include "net/quic/core/quic_types.h"
+
+namespace net {
+
+struct NET_EXPORT_PRIVATE QuicFrame {
+  QuicFrame();
+  explicit QuicFrame(QuicPaddingFrame padding_frame);
+  explicit QuicFrame(QuicMtuDiscoveryFrame frame);
+  explicit QuicFrame(QuicPingFrame frame);
+
+  explicit QuicFrame(QuicStreamFrame* stream_frame);
+  explicit QuicFrame(QuicAckFrame* frame);
+  explicit QuicFrame(QuicRstStreamFrame* frame);
+  explicit QuicFrame(QuicConnectionCloseFrame* frame);
+  explicit QuicFrame(QuicStopWaitingFrame* frame);
+  explicit QuicFrame(QuicGoAwayFrame* frame);
+  explicit QuicFrame(QuicWindowUpdateFrame* frame);
+  explicit QuicFrame(QuicBlockedFrame* frame);
+  explicit QuicFrame(QuicPathCloseFrame* frame);
+
+  NET_EXPORT_PRIVATE friend std::ostream& operator<<(std::ostream& os,
+                                                     const QuicFrame& frame);
+
+  QuicFrameType type;
+  union {
+    // Frames smaller than a pointer are inline.
+    QuicPaddingFrame padding_frame;
+    QuicMtuDiscoveryFrame mtu_discovery_frame;
+    QuicPingFrame ping_frame;
+
+    // Frames larger than a pointer.
+    QuicStreamFrame* stream_frame;
+    QuicAckFrame* ack_frame;
+    QuicStopWaitingFrame* stop_waiting_frame;
+    QuicRstStreamFrame* rst_stream_frame;
+    QuicConnectionCloseFrame* connection_close_frame;
+    QuicGoAwayFrame* goaway_frame;
+    QuicWindowUpdateFrame* window_update_frame;
+    QuicBlockedFrame* blocked_frame;
+    QuicPathCloseFrame* path_close_frame;
+  };
+};
+// QuicFrameType consumes 8 bytes with padding.
+static_assert(sizeof(QuicFrame) <= 16,
+              "Frames larger than 8 bytes should be referenced by pointer.");
+
+typedef std::vector<QuicFrame> QuicFrames;
+
+// Deletes all the sub-frames contained in |frames|.
+NET_EXPORT_PRIVATE void DeleteFrames(QuicFrames* frames);
+
+// Deletes all the QuicStreamFrames for the specified |stream_id|.
+NET_EXPORT_PRIVATE void RemoveFramesForStream(QuicFrames* frames,
+                                              QuicStreamId stream_id);
+
+}  // namespace net
+
+#endif  // NET_QUIC_CORE_FRAMES_FRAMES_H_