1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "MessageReceiver.h"
#include "MessageSender.h"
#include "WebPageProxyIdentifier.h"
#include <WebCore/RegistrableDomain.h>
#include <WebCore/SharedWorkerIdentifier.h>
#include <WebCore/SharedWorkerObjectIdentifier.h>
#include <WebCore/Timer.h>
#include <WebCore/TransferredMessagePort.h>
namespace WebCore {
class RegistrableDomain;
class ScriptBuffer;
struct ClientOrigin;
struct WorkerFetchResult;
struct WorkerOptions;
}
namespace WebKit {
class NetworkConnectionToWebProcess;
class WebSharedWorker;
class WebSharedWorkerServer;
class WebSharedWorkerServerToContextConnection final : public IPC::MessageSender, public IPC::MessageReceiver {
WTF_MAKE_FAST_ALLOCATED;
public:
WebSharedWorkerServerToContextConnection(NetworkConnectionToWebProcess&, const WebCore::RegistrableDomain&, WebSharedWorkerServer&);
~WebSharedWorkerServerToContextConnection();
WebCore::ProcessIdentifier webProcessIdentifier() const;
const WebCore::RegistrableDomain& registrableDomain() const { return m_registrableDomain; }
IPC::Connection& ipcConnection() const;
void terminateWhenPossible() { m_shouldTerminateWhenPossible = true; }
void launchSharedWorker(WebSharedWorker&);
void postConnectEvent(const WebSharedWorker&, const WebCore::TransferredMessagePort&, CompletionHandler<void(bool)>&&);
void terminateSharedWorker(const WebSharedWorker&);
void suspendSharedWorker(WebCore::SharedWorkerIdentifier);
void resumeSharedWorker(WebCore::SharedWorkerIdentifier);
const HashMap<WebCore::ProcessIdentifier, HashSet<WebCore::SharedWorkerObjectIdentifier>>& sharedWorkerObjects() const { return m_sharedWorkerObjects; }
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
void addSharedWorkerObject(WebCore::SharedWorkerObjectIdentifier);
void removeSharedWorkerObject(WebCore::SharedWorkerObjectIdentifier);
private:
void idleTerminationTimerFired();
void connectionIsNoLongerNeeded();
// IPC messages.
void postExceptionToWorkerObject(WebCore::SharedWorkerIdentifier, const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL);
void sharedWorkerTerminated(WebCore::SharedWorkerIdentifier);
// IPC::MessageSender.
IPC::Connection* messageSenderConnection() const final;
uint64_t messageSenderDestinationID() const final;
NetworkConnectionToWebProcess& m_connection;
WeakPtr<WebSharedWorkerServer> m_server;
WebCore::RegistrableDomain m_registrableDomain;
HashMap<WebCore::ProcessIdentifier, HashSet<WebCore::SharedWorkerObjectIdentifier>> m_sharedWorkerObjects;
WebCore::Timer m_idleTerminationTimer;
bool m_shouldTerminateWhenPossible { false };
};
} // namespace WebKit
|
