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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <AK/Badge.h>
28#include <ProtocolServer/Download.h>
29#include <ProtocolServer/PSClientConnection.h>
30
31// FIXME: What about rollover?
32static i32 s_next_id = 1;
33
34static HashMap<i32, RefPtr<Download>>& all_downloads()
35{
36 static HashMap<i32, RefPtr<Download>> map;
37 return map;
38}
39
40Download* Download::find_by_id(i32 id)
41{
42 return const_cast<Download*>(all_downloads().get(id).value_or(nullptr));
43}
44
45Download::Download(PSClientConnection& client)
46 : m_id(s_next_id++)
47 , m_client(client.make_weak_ptr())
48{
49 all_downloads().set(m_id, this);
50}
51
52Download::~Download()
53{
54}
55
56void Download::stop()
57{
58 all_downloads().remove(m_id);
59}
60
61void Download::set_payload(const ByteBuffer& payload)
62{
63 m_payload = payload;
64 m_total_size = payload.size();
65}
66
67void Download::did_finish(bool success)
68{
69 if (!m_client) {
70 dbg() << "Download::did_finish() after the client already disconnected.";
71 return;
72 }
73 m_client->did_finish_download({}, *this, success);
74 all_downloads().remove(m_id);
75}
76
77void Download::did_progress(size_t total_size, size_t downloaded_size)
78{
79 if (!m_client) {
80 // FIXME: We should also abort the download in this situation, I guess!
81 dbg() << "Download::did_progress() after the client already disconnected.";
82 return;
83 }
84 m_total_size = total_size;
85 m_downloaded_size = downloaded_size;
86 m_client->did_progress_download({}, *this);
87}