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77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_WEBSOCKETS_WEBSOCKET_HANDSHAKE_STREAM_BASE_H_
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#define NET_WEBSOCKETS_WEBSOCKET_HANDSHAKE_STREAM_BASE_H_
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// This file is included from net/http files.
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// Since net/http can be built without linking net/websockets code,
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// this file must not introduce any link-time dependencies on websockets.
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#include <memory>
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#include <string>
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#include "base/macros.h"
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#include "base/memory/weak_ptr.h"
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#include "base/supports_user_data.h"
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#include "net/base/net_export.h"
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#include "net/http/http_stream.h"
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#include "net/url_request/websocket_handshake_userdata_key.h"
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#include "net/websockets/websocket_stream.h"
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namespace net {
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class ClientSocketHandle;
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// WebSocketHandshakeStreamBase is the base class of
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// WebSocketBasicHandshakeStream. net/http code uses this interface to handle
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// WebSocketBasicHandshakeStream when it needs to be treated differently from
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// HttpStreamBase.
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class NET_EXPORT WebSocketHandshakeStreamBase : public HttpStream {
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public:
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// An object that stores data needed for the creation of a
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// WebSocketBasicHandshakeStream object. A new CreateHelper is used for each
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// WebSocket connection.
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class NET_EXPORT_PRIVATE CreateHelper : public base::SupportsUserData::Data {
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public:
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// Returns a key to use to lookup this object in a URLRequest object. It is
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// different from any other key that is supplied to
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// URLRequest::SetUserData().
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static const void* DataKey() { return kWebSocketHandshakeUserDataKey; }
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~CreateHelper() override {}
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// Create a WebSocketBasicHandshakeStream. This is called after the
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// underlying connection has been established but before any handshake data
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// has been transferred. This can be called more than once in the case that
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// HTTP authentication is needed.
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virtual std::unique_ptr<WebSocketHandshakeStreamBase> CreateBasicStream(
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std::unique_ptr<ClientSocketHandle> connection,
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bool using_proxy) = 0;
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};
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// This has to have an inline implementation so that the net/url_request/
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// tests do not fail on iOS.
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~WebSocketHandshakeStreamBase() override {}
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// After the handshake has completed, this method creates a WebSocketStream
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// (of the appropriate type) from the WebSocketHandshakeStreamBase object.
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// The WebSocketHandshakeStreamBase object is unusable after Upgrade() has
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// been called.
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virtual std::unique_ptr<WebSocketStream> Upgrade() = 0;
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void SetRequestHeadersCallback(RequestHeadersCallback callback) override {}
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protected:
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// As with the destructor, this must be inline.
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WebSocketHandshakeStreamBase() {}
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private:
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DISALLOW_COPY_AND_ASSIGN(WebSocketHandshakeStreamBase);
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};
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} // namespace net
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#endif // NET_WEBSOCKETS_WEBSOCKET_HANDSHAKE_STREAM_BASE_H_
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