1/*
2 * Copyright (C) 2019 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "MessageReceiver.h"
29#include "MessageSender.h"
30#include <pal/SessionID.h>
31#include <wtf/CompletionHandler.h>
32
33namespace WebCore {
34class ResourceRequest;
35}
36
37namespace IPC {
38class Connection;
39class Decoder;
40class DataReference;
41}
42
43namespace WebKit {
44
45class WebSocketTask;
46class NetworkConnectionToWebProcess;
47class NetworkProcess;
48class NetworkSession;
49
50class NetworkSocketChannel : public IPC::MessageSender, public IPC::MessageReceiver {
51public:
52 static std::unique_ptr<NetworkSocketChannel> create(NetworkConnectionToWebProcess&, PAL::SessionID, const WebCore::ResourceRequest&, const String& protocol, uint64_t identifier);
53
54 NetworkSocketChannel(NetworkConnectionToWebProcess&, RefPtr<NetworkSession>&&, const WebCore::ResourceRequest&, const String& protocol, uint64_t identifier);
55 ~NetworkSocketChannel();
56
57 void didReceiveMessage(IPC::Connection&, IPC::Decoder&);
58
59 friend class WebSocketTask;
60
61private:
62 void didConnect();
63 void didReceiveText(const String&);
64 void didReceiveBinaryData(const uint8_t* data, size_t length);
65 void didClose(unsigned short code, const String& reason);
66
67 void sendString(const String&, CompletionHandler<void()>&&);
68 void sendData(const IPC::DataReference&, CompletionHandler<void()>&&);
69 void close(int32_t code, const String& reason);
70
71 IPC::Connection* messageSenderConnection() const final;
72 uint64_t messageSenderDestinationID() const final { return m_identifier; }
73
74 void finishClosingIfPossible();
75
76 NetworkConnectionToWebProcess& m_connectionToWebProcess;
77 uint64_t m_identifier;
78 RefPtr<NetworkSession> m_session;
79 std::unique_ptr<WebSocketTask> m_socket;
80
81 enum class State { Open, Closing, Closed };
82 State m_state { State::Open };
83};
84
85} // namespace WebKit
86