chromium/third_party/blink/renderer/modules/websockets/websocket_message_chunk_accumulator.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBSOCKETS_WEBSOCKET_MESSAGE_CHUNK_ACCUMULATOR_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBSOCKETS_WEBSOCKET_MESSAGE_CHUNK_ACCUMULATOR_H_

#include <memory>
#include "base/containers/span.h"
#include "base/memory/scoped_refptr.h"
#include "base/time/time.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/timer.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "third_party/blink/renderer/platform/wtf/wtf_size_t.h"

namespace base {
class SingleThreadTaskRunner;
class TickClock;
}

namespace blink {

// WebSocketMessageChunkAccumulator stores chunks for one WebSocket message. A
// user can call Append() to append bytes, and call GetView() to get a list of
// base::spans of data previously stored.
// We don't use SharedBuffer due to an observed performance problem of FastFree.
// TODO(yhirano): Remove this once the performance problem is fixed in a general
// manner.
class MODULES_EXPORT WebSocketMessageChunkAccumulator final
    : public GarbageCollected<WebSocketMessageChunkAccumulator> { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBSOCKETS_WEBSOCKET_MESSAGE_CHUNK_ACCUMULATOR_H_