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#include "Logging.h"
33
34namespace WebKit {
35
36
37Download* DownloadMap::get(DownloadID downloadID) const
38{
39 return m_downloads.get(downloadID);
40}
41
42bool DownloadMap::isEmpty() const
43{
44 return m_downloads.isEmpty();
45}
46
47uint64_t DownloadMap::size() const
48{
49 return m_downloads.size();
50}
51
52bool DownloadMap::contains(DownloadID downloadID) const
53{
54 return m_downloads.contains(downloadID);
55}
56
57DownloadMap::DownloadMapType::AddResult DownloadMap::add(DownloadID downloadID, std::unique_ptr<Download>&& download)
58{
59 RELEASE_LOG(Loading, "Adding download %" PRIu64 " to NetworkProcess DownloadMap", downloadID.downloadID());
60
61 auto result = m_downloads.add(downloadID, WTFMove(download));
62 if (m_downloads.size() == 1) {
63 ASSERT(!m_downloadAssertion);
64 m_downloadAssertion = std::make_unique<ProcessAssertion>(getpid(), "WebKit downloads"_s, AssertionState::UnboundedNetworking);
65 RELEASE_LOG(ProcessSuspension, "Took 'WebKit downloads' assertion in NetworkProcess");
66 }
67
68 return result;
69}
70
71bool DownloadMap::remove(DownloadID downloadID)
72{
73 RELEASE_LOG(Loading, "Removing download %" PRIu64 " from NetworkProcess DownloadMap", downloadID.downloadID());
74
75 auto result = m_downloads.remove(downloadID);
76 if (m_downloads.isEmpty()) {
77 ASSERT(m_downloadAssertion);
78 m_downloadAssertion = nullptr;
79 RELEASE_LOG(ProcessSuspension, "Dropped 'WebKit downloads' assertion in NetworkProcess");
80 }
81
82 return result;
83}
84
85auto DownloadMap::values() -> DownloadMapType::ValuesIteratorRange
86{
87 return m_downloads.values();
88}
89
90} // namespace WebKit
91
92#endif // ENABLE(TAKE_UNBOUNDED_NETWORKING_ASSERTION)
93