1/*
2 * Copyright (C) 2017 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#if ENABLE(SERVICE_WORKER)
29
30#include "SWServer.h"
31#include "ServiceWorkerJobData.h"
32#include "Timer.h"
33#include <wtf/Deque.h>
34
35namespace WebCore {
36
37class SWServerJobQueue {
38 WTF_MAKE_FAST_ALLOCATED;
39public:
40 explicit SWServerJobQueue(SWServer&, const ServiceWorkerRegistrationKey&);
41 SWServerJobQueue(const SWServerRegistration&) = delete;
42 ~SWServerJobQueue();
43
44 const ServiceWorkerJobData& firstJob() const { return m_jobQueue.first(); }
45 const ServiceWorkerJobData& lastJob() const { return m_jobQueue.last(); }
46 void enqueueJob(const ServiceWorkerJobData& jobData) { m_jobQueue.append(jobData); }
47 size_t size() const { return m_jobQueue.size(); }
48
49 void runNextJob();
50
51 void scriptFetchFinished(SWServer::Connection&, const ServiceWorkerFetchResult&);
52 void scriptContextFailedToStart(const ServiceWorkerJobDataIdentifier&, ServiceWorkerIdentifier, const String& message);
53 void scriptContextStarted(const ServiceWorkerJobDataIdentifier&, ServiceWorkerIdentifier);
54 void didFinishInstall(const ServiceWorkerJobDataIdentifier&, ServiceWorkerIdentifier, bool wasSuccessful);
55 void didResolveRegistrationPromise();
56 void cancelJobsFromConnection(SWServerConnectionIdentifier);
57 void cancelJobsFromServiceWorker(ServiceWorkerIdentifier);
58
59 bool isCurrentlyProcessingJob(const ServiceWorkerJobDataIdentifier&) const;
60
61private:
62 void jobTimerFired();
63 void runNextJobSynchronously();
64 void rejectCurrentJob(const ExceptionData&);
65 void finishCurrentJob();
66
67 void runRegisterJob(const ServiceWorkerJobData&);
68 void runUnregisterJob(const ServiceWorkerJobData&);
69 void runUpdateJob(const ServiceWorkerJobData&);
70
71 void install(SWServerRegistration&, ServiceWorkerIdentifier);
72
73 void removeAllJobsMatching(const WTF::Function<bool(ServiceWorkerJobData&)>&);
74
75 Deque<ServiceWorkerJobData> m_jobQueue;
76
77 Timer m_jobTimer;
78 SWServer& m_server;
79 ServiceWorkerRegistrationKey m_registrationKey;
80};
81
82} // namespace WebCore
83
84#endif // ENABLE(SERVICE_WORKER)
85