chromium/net/websockets/websocket_basic_stream_adapters.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_WEBSOCKETS_WEBSOCKET_BASIC_STREAM_ADAPTERS_H_
#define NET_WEBSOCKETS_WEBSOCKET_BASIC_STREAM_ADAPTERS_H_

#include <stddef.h>

#include <memory>

#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "net/base/completion_once_callback.h"
#include "net/base/net_errors.h"
#include "net/base/net_export.h"
#include "net/log/net_log_source.h"
#include "net/log/net_log_with_source.h"
#include "net/spdy/spdy_read_queue.h"
#include "net/spdy/spdy_stream.h"
#include "net/third_party/quiche/src/quiche/common/http/http_header_block.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "net/websockets/websocket_basic_stream.h"
#include "net/websockets/websocket_quic_spdy_stream.h"

namespace quic {
class QuicHeaderList;
}  // namespace quic

namespace net {

class StreamSocketHandle;
class IOBuffer;
class SpdyBuffer;
struct NetworkTrafficAnnotationTag;

// Trivial adapter to make WebSocketBasicStream use a TCP/IP or TLS socket.
class NET_EXPORT_PRIVATE WebSocketClientSocketHandleAdapter
    : public WebSocketBasicStream::Adapter { … };

// Adapter to make WebSocketBasicStream use an HTTP/2 stream.
// Sets itself as a delegate of the SpdyStream, and forwards headers-related
// methods to WebSocketHttp2HandshakeStream, which implements
// WebSocketSpdyStreamAdapter::Delegate.  After the handshake, ownership of this
// object can be passed to WebSocketBasicStream, which can read and write using
// a ClientSocketHandle-like interface.
class NET_EXPORT_PRIVATE WebSocketSpdyStreamAdapter
    : public WebSocketBasicStream::Adapter,
      public SpdyStream::Delegate { … };

// Adapter to make WebSocketBasicStream use an HTTP/3 stream.
// Sets itself as a delegate of the WebSocketQuicSpdyStream. Forwards
// headers-related methods to Delegate.
class NET_EXPORT_PRIVATE WebSocketQuicStreamAdapter
    : public WebSocketBasicStream::Adapter,
      public WebSocketQuicSpdyStream::Delegate { … };

}  // namespace net

#endif  // NET_WEBSOCKETS_WEBSOCKET_BASIC_STREAM_ADAPTERS_H_