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 | #include "config.h" |
27 | #include "DownloadMap.h" |
28 | |
29 | #if ENABLE(TAKE_UNBOUNDED_NETWORKING_ASSERTION) |
30 | |
31 | #include "Download.h" |
32 | |
33 | namespace WebKit { |
34 | |
35 | |
36 | Download* DownloadMap::get(DownloadID downloadID) const |
37 | { |
38 | return m_downloads.get(downloadID); |
39 | } |
40 | |
41 | bool DownloadMap::isEmpty() const |
42 | { |
43 | return m_downloads.isEmpty(); |
44 | } |
45 | |
46 | uint64_t DownloadMap::size() const |
47 | { |
48 | return m_downloads.size(); |
49 | } |
50 | |
51 | bool DownloadMap::contains(DownloadID downloadID) const |
52 | { |
53 | return m_downloads.contains(downloadID); |
54 | } |
55 | |
56 | DownloadMap::DownloadMapType::AddResult DownloadMap::add(DownloadID downloadID, std::unique_ptr<Download>&& download) |
57 | { |
58 | RELEASE_LOG(Loading, "Adding download %" PRIu64 " to NetworkProcess DownloadMap" , downloadID.downloadID()); |
59 | |
60 | auto result = m_downloads.add(downloadID, WTFMove(download)); |
61 | if (m_downloads.size() == 1) { |
62 | ASSERT(!m_downloadAssertion); |
63 | m_downloadAssertion = std::make_unique<ProcessAssertion>(getpid(), "WebKit downloads"_s , AssertionState::UnboundedNetworking); |
64 | RELEASE_LOG(ProcessSuspension, "Took 'WebKit downloads' assertion in NetworkProcess" ); |
65 | } |
66 | |
67 | return result; |
68 | } |
69 | |
70 | bool DownloadMap::remove(DownloadID downloadID) |
71 | { |
72 | RELEASE_LOG(Loading, "Removing download %" PRIu64 " from NetworkProcess DownloadMap" , downloadID.downloadID()); |
73 | |
74 | auto result = m_downloads.remove(downloadID); |
75 | if (m_downloads.isEmpty()) { |
76 | ASSERT(m_downloadAssertion); |
77 | m_downloadAssertion = nullptr; |
78 | RELEASE_LOG(ProcessSuspension, "Dropped 'WebKit downloads' assertion in NetworkProcess" ); |
79 | } |
80 | |
81 | return result; |
82 | } |
83 | |
84 | auto DownloadMap::values() -> DownloadMapType::ValuesIteratorRange |
85 | { |
86 | return m_downloads.values(); |
87 | } |
88 | |
89 | } // namespace WebKit |
90 | |
91 | #endif // ENABLE(TAKE_UNBOUNDED_NETWORKING_ASSERTION) |
92 | |