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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/SharedBuffer.h>
28#include <LibProtocol/Client.h>
29#include <LibProtocol/Download.h>
30
31namespace Protocol {
32
33Client::Client()
34 : IPC::ServerConnection<ProtocolClientEndpoint, ProtocolServerEndpoint>(*this, "/tmp/portal/protocol")
35{
36 handshake();
37}
38
39void Client::handshake()
40{
41 auto response = send_sync<Messages::ProtocolServer::Greet>();
42 set_my_client_id(response->client_id());
43}
44
45bool Client::is_supported_protocol(const String& protocol)
46{
47 return send_sync<Messages::ProtocolServer::IsSupportedProtocol>(protocol)->supported();
48}
49
50RefPtr<Download> Client::start_download(const String& url)
51{
52 i32 download_id = send_sync<Messages::ProtocolServer::StartDownload>(url)->download_id();
53 if (download_id < 0)
54 return nullptr;
55 auto download = Download::create_from_id({}, *this, download_id);
56 m_downloads.set(download_id, download);
57 return download;
58}
59
60bool Client::stop_download(Badge<Download>, Download& download)
61{
62 if (!m_downloads.contains(download.id()))
63 return false;
64 return send_sync<Messages::ProtocolServer::StopDownload>(download.id())->success();
65}
66
67void Client::handle(const Messages::ProtocolClient::DownloadFinished& message)
68{
69 RefPtr<Download> download;
70 if ((download = m_downloads.get(message.download_id()).value_or(nullptr))) {
71 download->did_finish({}, message.success(), message.total_size(), message.shbuf_id());
72 }
73 send_sync<Messages::ProtocolServer::DisownSharedBuffer>(message.shbuf_id());
74 m_downloads.remove(message.download_id());
75}
76
77void Client::handle(const Messages::ProtocolClient::DownloadProgress& message)
78{
79 if (auto download = const_cast<Download*>(m_downloads.get(message.download_id()).value_or(nullptr))) {
80 download->did_progress({}, message.total_size(), message.downloaded_size());
81 }
82}
83
84}